| Entries |
| Document | Title | Date |
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| 20080231122 | Facility and method for the automatic recognition and differentiation of single-channel or dual-channel electronic sensors connected to a dual-channel safety combination - A facility is described for the automatic recognition and differentiation of single-channel or dual-channel electronic sensors, which are connected to a dual-channel safety combination with two connecting line pairs for emergency stop facilities in the form of electronic sensors or emergency stop buttons, with a first connecting conductor pair being provided for single-channel operation and the first and a second connecting line pair being provided for dual-channel operation of the safety combination, said facility comprising an ohmic resistance arranged in at least a first connecting line of the second connecting line pair and a transistor connected by its emitter or collector to a first side of the ohmic resistance and by its base to a second side of the ohmic resistance in such a manner that during a current flow through a dual-channel electronic sensor connected to both connecting conductor pairs a voltage drop at the ohmic resistance switches the transistor, so that an output signal is generated at the collector or emitter of the transistor, indicating connection of the dual-channel electronic sensor. A method is also described for the automatic recognition and differentiation at least of single-channel or dual-channel electronic sensors connected to a dual-channel safety combination. | 09-25-2008 |
| 20080246344 | ARRANGEMENT FOR FAILSAFE EVALUATION OF A POSITION ENCODER - A safety switching device comprises a position encoder, such as a potentiometer, for user selection of an operational quantity, such as an operating mode. The position encoder has a first terminal, a second terminal, and a tap moveable through a plurality of positions. A total impedance is defined between the first terminal and the second terminal. A first partial impedance is defined between the first terminal and the tap, and a second partial impedance is defined between the tap and the second terminal. An arrangement for determining an instantaneous position of the tap comprises a first evaluation circuit designed to determine a first measurement value representative of the first partial impedance, and a second evaluation circuit designed to determine a second measurement value representative of the second partial impedance. At least one from the first and second evaluation circuits is designed to determine the instantaneous position of the tap by means of the first and second measurement values. | 10-09-2008 |
| 20090072631 | WORKER SAFETY MANAGEMENT SYSTEM - Task—To provide a worker safety management system that can adapt itself to changes in the conditions of the workers and the machines in a flexible manner and can finely manage the safety of the worker. | 03-19-2009 |
| 20090096295 | ELECTRONIC DEVICE AND METHOD OF ACCESSING INSIDE OF ELECTRONIC DEVICE - An electronic device includes an inner cover for covering a power source and electronic parts such as substrates contained in the inside of the device, an inlet for power cord plug formed to the inner cover for connecting the device to a commercial power supply and a cover to be fitted to the inner cover so as to cover the inner cover, the cover being provided with an inlet protecting section to be engaged with the inlet, the inner cover being made accessible by puling out the power cord plug. | 04-16-2009 |
| 20090179504 | Linearly Actuated Switch for Robot Crash Protector Device - A linearly actuated switch assembly is adjustably disposed in a housing stem bore of a robotic crash protector device. An actuation plate is disposed over the central bore of the contact surface. As the piston moves toward the housing base in response to a crash force or torque applied to the actuator, the actuation plate moves in an axial direction, and contacts and actuates the switch. The actuation plate is biased towards the contact surface by an actuation spring disposed between the actuation plate and a spring plate that is rigidly affixed to the housing stem. This arrangement allows the actuation plate to “float” with respect to the fixed spring plate. In particular, the actuation plate may assume the orientation of the piston, which may be canted from its default orientation—normal to the device central axis—by uneven application of force by the actuator. | 07-16-2009 |
| 20090184588 | Switchgear for Protecting Dangerous Machines - A modular switchgear includes a connecting device having a plurality of positions; a plurality of output modules coupled to the connecting device, each of the output modules having a switching device, the switching device configured to set a number representing a position on the connecting device; and a plurality of input modules coupled to the connecting device, each input module having a position on the connecting device; wherein each input module is associated with the output module having its position set on a specific output module and ending with the next higher designated position set on a different output module minus | 07-23-2009 |
| 20100007222 | Safety device for electrical distribution boards - A shock prevention device for an electrical distribution board having at least one incoming terminal and one or more bus conductors for distributing electrical power from the incoming terminal to a plurality of outgoing conductor terminals projecting from a housing of the distribution board, the shock prevention device comprising an insulating body adapted to receive and shroud at least one conductor terminal; a moveable element moveable relative to the body so as to place the device in one of a first configuration in which the device can be fitted to or removed from the distribution board so as to cover the exposed terminal and a second configuration in which the device is braced between the conductor terminal and part of the distribution board housing, whereby removal of the device is prevented; and means for locking the moveable element in the second configuration. | 01-14-2010 |
| 20100060085 | Shorting stick for safing of high-voltage equipment - An electrical shorting stick and method of using it. The apparatus and method allow the user to work on or about high-voltage equipment at tremendously reduced risk of accidental electrocution. The apparatus permits the user to secure a reliable short-circuit of the equipment to the absolute ground, so that current cannot be directed through the bodies of the service crew. The apparatus is placed into contact with the equipment of interest. While in contact with the equipment, the apparatus is manipulated by the user to safely discharge to absolute ground all potentially hazardous electrical current. The apparatus has a handle assembly movable upon a main road assembly. When the handle assembly is placed into a first position, current is directed from the equipment to the absolute ground via the apparatus including a resistor. The handle assembly is shifted to a second position, in which current is directed through the apparatus, but bypassing the resistor, in a conductive circuit directly to absolute ground, thus providing a safe “hard” grounding of the equipment of interest. | 03-11-2010 |
| 20100102643 | Rail Vehicle With a Wagon Body and Method for Protective Grounding of Such a Wagon Body - One embodiment of the present invention discloses, inter alia, a rail vehicle with a wagon body and with contact devices which are connected to the wagon body and which remain in contact with at least one rail on the track side during operation of the rail vehicle, wherein the wagon body and at least one of the contact devices are connected to each other through an electrical resistance device. According to an embodiment of the present invention, the resistance device includes a greater electric resistance in a voltage region with low voltage than in a voltage region with comparatively higher voltage. | 04-29-2010 |
| 20100133921 | Communication Interface Between A Control Unit And A High Voltage Unit - A communication interface, between a control unit and a high voltage unit, includes a serial communication link between the control unit and the high voltage unit. The interface includes a signal transformer arranged as an isolation barrier between the control unit and the high voltage unit to ensure personal safety. | 06-03-2010 |
| 20100148592 | METHOD FOR THE CONTROL OF AN ELECTRIC FENCE ENERGIZER - Method for the control of an electric fence energizer of any given power, guaranteeing that, during each pulse emitted by the energizer, any human body that might have come into contact with the electric fence since a recent pulse does not run the risk of receiving a dangerous electric shock by reason of the pulse in progress. | 06-17-2010 |
| 20100194209 | APPLIANCE SAFETY SYSTEM FOR PROTECTED OPERATION OF DANGEROUS MOTOR APPLIANCES, ESPECIALLY GARDENING APPLIANCES AND TOOLS - The invention relates to a system for protected operation of dangerous motor appliances, especially gardening appliances, such as hedge or edge clippers, power saws and lawnmowers. The object of the invention is to provide solutions by which advantages in terms of operating safety are achieved during operation of motor appliances, especially hand-held gardening and forestry appliances as well as power tools. In an initially abstract description, this object is achieved according to the invention by an appliance safety system for averting dangerous operating situations in the use of motor-powered appliances. This system comprises field-preparing means for generating a capacitive spatial alternating field and detecting means for detecting a condition that can be classified as dangerous and/or shutdown by detecting relevant electric-field effects during penetration of an object into the zone being sensed by each field. | 08-05-2010 |
| 20100237713 | PRECISION GROUND FAULT DETECTION FOR AIRCRAFT HUMAN BODY PROTECTION - A power supply system for use with a component comprises at least three phases of power supply, with each of said three phases passing through a solid state power controller having an on/off switch. Each of the phases of power pass through a current sense transformer. A ground fault circuit receives an outlet from the current sense transformer. The ground fault circuit includes an analog filter connected into a digital processor. An output of the digital processor is operable to control the switches on the solid state power controllers. The three phases distribute power to the component when the switch on their associated solid state power converter is on. | 09-23-2010 |
| 20100237714 | SAFETY DEVICE FOR EMERGENCY INTERRUPTION OF DRILLING MANEUVERS (AS AMENDED) - A safety device for the emergency interruption of the drilling maneuvering in a drilling machine is provided with a guide tower or mast ( | 09-23-2010 |
| 20100327667 | Safety device and power converter - Whether a safety function unit having a safety function of a desired standard is correctly mounted in a safety device having a configuration in which a basic control function and safety function are separated is accurately determined. The safety device includes a controller and the safety function unit. The controller is provided with a unit which selects a category for identifying a safety function unit which should be connected, a unit which transmits a reference signal to the safety function unit, a unit which determined, based on a category identification signal returned from the safety function unit, whether or not the category of the connected safety function unit coincides with a selected category, and a unit which, in the event that the result of the determination is such that the category of the connected safety function unit and the selected category do not coincide, prohibits the output of a control signal. The safety function unit is provided with a unit which, based on the reference signal transmitted from the controller, generates the category identification signal in accordance with a process appropriate to the category of the safety function unit, and returns it to the controller. | 12-30-2010 |
| 20100327668 | ROBOT CRASH PROTECTOR - A robotic crash protector device is configured for heavy payload applications. The device includes a housing, a piston and an actuator movably mounted within the housing, a cam member secured within the housing in fixed relation to the housing's base, and a switch. The cam member includes a cam surface with some portions being closer to the housing's base than other portions. The actuator includes bearing members that are configured to, responsive to a rotational force imparted to the actuator, move along the cam surface and thereby collectively displace the piston. The switch detects this displacement and indicates a crash. When moving along the cam surface, the bearing members are each configured to engage the surface along a line of contact, rather than at a single point. With forces imparted to each bearing member and the cam surface distributed across a line, the components better endure heavy payload applications. | 12-30-2010 |
| 20110101795 | APPARATUS AND METHOD FOR RESTRICTING POWER DELIVERY - An apparatus and method for restricting operation of a power delivery system are disclosed. In at least some embodiments, the apparatus includes a first input terminal at which is received a first command signal, and a second input terminal at which is received an additional signal. The apparatus further includes an output terminal at which is provided a control signal, and a circuit that generates the control signal based at least indirectly upon the first command and additional signals. The control signal generated by the circuit is configured to cause the power delivery system to not deliver at least one type of power when the first command signal indicates a command to do so, if the additional signal indicates an acceptability status. In some embodiments, the power delivery system is an isolation system (e.g., safety isolation system) as are employed in industrial environments, and the apparatus is a permissive module. | 05-05-2011 |
| 20110127855 | HIGH VOLTAGE SAFETY DEVICE FOR HIGH VOLTAGE BATTERY - A high voltage safety device for a high voltage battery is provided, which comprises: a switch terminal forming a switch of an electric circuit for a high voltage portion and protruding to be fitted in a position hole of a high voltage cover; and a plug forming the electric circuit by connecting the switch when being fitted on the switch terminal and having a size occupying a portion of the high voltage cover. With the safety device, it is possible to prevent unintended separation of a high voltage cover without using a relatively expensive interlock, thereby ensuring safety. | 06-02-2011 |
| 20110133574 | SAFETY SWITCHING APPARATUS - A safety switching apparatus for the failsafe disconnection of an electrical load has a first and a second terminal for supplying a first and a second signal from a signaling device, such as an emergency-off button. The safety switching apparatus also has a first and a second switching element which together produce a redundant output switching signal for disconnecting the load. The first switching element has a first control circuit to which the first signal is supplied. The second switching element has a second control circuit to which the second signal is supplied. The safety switching apparatus further has circuitry providing a first current path, an alternative second current path and at least one further switching element. The at least one further switching element is designed to select either the first or the second current path, depending on a polarity of the second signal, in order to route the second signal to the second control circuit. | 06-09-2011 |
| 20110133575 | IN-VEHICLE INTEGRATED-INVERTER ELECTRIC COMPRESSOR - Disclosed is an in-vehicle integrated-inverter electric compressor ( | 06-09-2011 |
| 20110169345 | CONTROL SYSTEM - A control system has an input instrument that generates a signal indicating permission and prohibition of running of a load, a power-supply unit that is configured to supply driving power to the load when the load is permitted to run by an input signal from the input instrument, and to cut off the supply of the driving power to the load when the load is prohibited from running by the input signal, and a monitoring device that is configured to monitor the input instrument and the power-supply unit. The power-supply unit is configured to cut off the supply of the driving power to the load when monitoring result of the monitoring device indicates an abnormality of one of the input instrument and the power-supply unit. The control system is compatible with category 2 of ISO 13849-1. | 07-14-2011 |
| 20110193424 | SYSTEM COMPRISING A PLURALITY OF CONTROLLERS AND ASSOCIATED METHOD - An electronic system includes at least two subassemblies connected through an assembly of at most three conductors ( | 08-11-2011 |
| 20110204729 | SAFETY SWITCHING DEVICE WITH UNIVERSAL SIGNAL INPUT - The present invention relates to a safety switching device for actuating actuators in a fail-safe manner, and further relates to an emergency shut-off circuit comprising a safety switching device according to the present invention. The safety switching device includes at least one first and second safety input for receiving a first and second input signal, at least one first and second safety output for transmitting a first and second output signal, and a control unit for evaluating said input signals and for generating said output signals. The first and second safety outputs further comprise a feedback loop said that couples the output signals back to the control unit such that the control unit is operable to perform a test routine for testing said output signals. | 08-25-2011 |
| 20110234020 | UNINTERRUPTIBLE POWER SUPPLY SYSTEM FOR AVOIDING ARCING GENERATION AND CABINET THEREOF - An uninterruptible power supply includes plural power units, plural output capacitor units, a capacitor energy bleeder circuit, plural output units, a detecting unit and a controlling unit. The capacitor energy bleeder circuit is electrically connected to the plural output capacitor units. The plural output units are connected with each other in parallel to issue the output voltage to the power output side and avoid returning electrical energy from the power output side back to the capacitor energy bleeder circuit. The detecting unit is used for detecting operating statuses of the plural power units. The controlling unit is used for controlling operations of the plural power units and the capacitor energy bleeder circuit. In response to a to-be-interrupted status of a specified power unit, the controlling unit controls the capacitor energy bleeder circuit to discharge electrical energy of the output capacitor unit corresponding to the specified power unit. | 09-29-2011 |
| 20110241447 | MOTOR DRIVING SYSTEM, MOTOR CONTROLLER, AND SAFETY FUNCTION EXPANDER - The motor driving system includes a driving state amount detector configured to detect a driving state amount, a motor control part configured to perform a power supply control, a higher control part capable of outputting a higher control command to the motor control part, and a safety requesting part that inputs a safety request signal to the motor control part. The motor control part includes a motor control circuit part that performs the power supply control, a mode selecting and executing part configured to select and execute either a first safety function mode or a second safety function mode, and a comparing and monitoring processing part that compares the driving state amount and a predetermined operation monitoring pattern, when the safety request signal is inputted. | 10-06-2011 |
| 20110273031 | BUSHING EXPLOSION CONTAINMENT DEVICE AND METHOD OF USING THE SAME - A method and device prevents injuries when performing maintenance on a circuit breaker including a body portion and one or more outwardly extending bushings having terminals at the ends thereof for connection to power lines. The circuit breaker is first de-energizing. A cover is provided and wrapped around one or more of the circuit breaker bushings in a manner leaving the bushing terminal exposed. The cover is secured and will prevent escape of at least some fragmented materials in the event of a bushing explosion. | 11-10-2011 |
| 20110316355 | Shockproof Electric Outlets - An apparatus in an example comprises a proximity sensor and a controller. The proximity sensor serves to indicate a presence of a living object within a preselected distance of an electrically powered outlet receptacle. The controller performs a preselected control action in connection with an operation of the electrically powered outlet receptacle upon a determination the living object is within the preselected distance of the electrically powered outlet receptacle. | 12-29-2011 |
| 20110316356 | PAPER SHREDDER CONTROL SYSTEM RESPONSIVE TO TOUCH-SENSITIVE ELEMENT - The invention is directed to a touch-sensitive paper shredder control system. The touching feature is implemented through a series of electronic circuits, taking input from a conductive touch panel on the shredder feed throat, processing the signal, and through a motor driving circuit, stopping the mechanical parts of the shredder. The system has a touch detection circuit unit, which contains a bioelectricity controlled switching circuit to sense the conductive touch panel. The bioelectricity controlled switching circuit is configured to trigger a ground switching circuit in the touch detection circuit unit which outputs to a multifunction control circuit unit. The control circuit unit then takes care of the remaining protection issues. The touching device for paper shredders protects humans and other living beings including pets from injuries through automatic and real time monitoring. The complete control process is both safe and sensitive. | 12-29-2011 |
| 20120043831 | HUMAN-ROBOT INTERACTIVE SYSTEM - A human-robot interactive system wherein a robot and a human share an area for performing interactive work, characterized by being provided with a force sensor which is set at an end effector attached to a front end of the robot or which is set at the robot and stopping the robot or controlling operation of the robot so that a detected value of the force sensor becomes smaller when the detected value of the force sensor exceeds a predetermined value, by the robot including a first robot portion which is positioned further from the human than a set position of the force sensor and a second robot portion which is positioned closer to the human than the set position of the force sensor, and, furthermore, by the robot system being provided with a limiter which limits a work area of the human so as to prevent contact by the human with the first robot portion of the robot during operation even when the robot most approaches the human. Due to this, safety of the human can be ensured even in an environment where the human could contact the robot. | 02-23-2012 |
| 20120080958 | RELIABLE CONTACT AND SAFE SYSTEM AND METHOD FOR PROVIDING POWER TO AN ELECTRONIC DEVICE - An electronic system which includes a power delivery surface that delivers electrical power to an electrical or electronic device. The power delivery surface may be powered by any electrical power source, including, but not limited to: wall electrical outlet, solar power system, battery, vehicle cigarette lighter system, direct connection to electrical generator device, and any other electrical power source. The power delivery surface delivers power to the electronic device wirelessly. The power delivery surface may deliver power via a plurality of contacts on the electrical device conducting electricity from the power delivery surface. The electrical device may be mobile device. Each contact may be shaped to improve power delivery reliability. The power delivery surface may further include circuitry to protect against accidental electrocutions. | 04-05-2012 |
| 20120104873 | SYSTEM AND METHOD TO DETECT CHILD PRESENCE - Systems and methods are disclosed that include reading passive engine status, detecting vibration, caused by the transfer of kinetic energy from at least one machine into the engine, and inhibiting active operation of the engine. | 05-03-2012 |
| 20120112564 | Discharging module applied in a switched-mode power supply and method thereof - A discharging module applied in a switched-mode power supply includes a detecting circuit and a discharging circuit. The detecting circuit is coupled to an input port of the switched-mode power supply. The detecting circuit determines if the input port is supplied power according to an AC input power of the switched-mode power supply. When the detecting circuit determines that the input port is not supplied power, the detecting circuit controls the discharging circuit to provide a discharging path for discharging the input port. In this way, the switched-mode power supply does not require a discharging resistor for discharging the input port. Hence, the power consumed when the switched-mode power supply is unloaded is reduced. | 05-10-2012 |
| 20120187777 | CONTROL SYSTEM FOR A MATERIAL HANDLING APPLICATION - A distributed control system is provided having a plurality of control modules operative to control one or more output devices. A control module includes a first enclosure that houses a plurality of control terminals and a second enclosure that houses a controller for controlling an output device. A maximum voltage of the first enclosure is less than a threshold voltage level, and a maximum voltage of the second enclosure is greater than the threshold voltage level. A safety circuit of the control system includes a plurality of circuit segments connected in a series configuration to the control modules. | 07-26-2012 |
| 20120212079 | ANTENNA PROTECTION DEVICE AND SYSTEM - A protection device for electrically insulating an antenna from a signal receiving device while transferring RF signals, and a system including the same are disclosed. In an embodiment, the protection device includes a first waveguide in signal communication and electrical communication with the antenna; and a second waveguide in signal communication and electrical communication with the signal receiving device. The first waveguide and the second waveguide are arranged in an end to end coaxial relationship facing one another, and the first waveguide and the second waveguide are electrically insulated from one another, such that a high voltage from accidental contact of the antenna with a power line cannot pass from the antenna to the signal receiving device. RF signals pass from the antenna to the signal receiving device through the protection device with minimal signal loss. | 08-23-2012 |
| 20120235514 | SYSTEM AND METHOD TO DETECT CHILD PRESENCE USING ACTIVE MEMS SENSORS - The presence of a child within an enclosed space in an appliance, such as a washing machine, dishwasher or refrigerator, is detected using one or more MEMS sensors positioned to detect movement within the enclosed space through various measured characteristics. In preference, combinations of different types of MEMS sensors are utilized to detect the movement. Movement may be attributed to the presence of a child inside the enclosed space, rather than resulting from other influences, with increased reliability if the determination is made based upon such combinations of different characteristics. Safety processes may be initiated upon detecting the presence of the child. | 09-20-2012 |
| 20120313456 | LOAD CONTROL DEVICE HAVING AN ELECTRICALLY ISOLATED ANTENNA - A load control device for controlling the power delivered from a power source to an electrical load includes an antenna and a communication circuit to receive and transmit messages via radio frequency (RF) signals. The communication circuit is coupled to the power source but is capacitively coupled to the antenna. The capacitive coupling is formed through multiple layers of a printed circuit board (PCB) in which each layer includes a conductive trace that neighbors another conductive trace on an adjacent layer. The capacitive coupling provides that the antenna is electrically isolated from the communication circuit which accordingly, provides that the antenna is electrically isolated from the power source. | 12-13-2012 |
| 20130033121 | Personal grounding device or method to ground for a human being - A personal grounding device that is used to ground a human being and provides a human being a device to directly and naturally equalize one's body to the same energy level, or potential, as the Earth. This equalization results in synchronizing the person's internal biological clocks, hormonal cycles, and physiological rhythms and in supplying the body with healing and free, positively charged electrons (called free radicals). These are abundantly present on the surface of the Earth. Electrically speaking free radicals have a positive charge. The grounding directly equalizes the body of the person to the same energy level, or potential (zero), as the Earth. The device is comprised of a closed grid (like a heating pad) in an encasement to form a mat; a lead to the grid from a ground; a ground lead (natural or artificial); and a means for connecting the field grid to the ground. | 02-07-2013 |
| 20130088098 | CIRCUIT CONFIGURATION, HOUSEHOLD DEVICE AND METHOD FOR OPERATING THE HOUSEHOLD DEVICE - A circuit configuration for operating a household device contains a power supply connector, an electrical load that is connected via a power connection cable to the power supply connector, and a controller for an endangering component. The controller is connected via a power connection cable to the power supply connector. A device for switching the controller on and off is arranged between the controller and the power supply connector. Safety equipment for disconnecting the controller from the power supply connector is arranged between the power supply connector and the device for switching. In order to supply the controller with electrical power even when the safety equipment is active, the electrical load is connected between the power supply connector and the safety equipment. A connecting cable is provided that connects the controller via the electrical load to the power supply connector, and in which the device for switching is arranged. | 04-11-2013 |
| 20130113303 | SAFETY SYSTEM FOR MACHINERY - Embodiments may disclose a safety system for controlling an operation of a machine operated by an operator wearing an article of luminescent clothing, the system including a luminescent sensor configured to emit ultraviolet light toward a target area, and configured to detect light emitted by the article of luminescent clothing; a motor configured to drive a component of the machine; and a controller configured to control the motor and the luminescent sensor, wherein if the luminescent sensor detects the light emitted by the article of luminescent clothing within the target area, the controller controls the motor to stop driving the component of the machine. | 05-09-2013 |
| 20130113304 | SAFETY CIRCUIT ARRANGEMENT FOR CONNECTION OR FAILSAFE DISCONNECTION OF A HAZARDOUS INSTALLATION - A safety circuit arrangement for failsafe connection or disconnection of a hazardous installation has a control device, which is designed to connect or interrupt, in failsafe fashion, a power supply path to the installation. The safety circuit arrangement also has a signaling device, which is connected to the control device via a two-wire line having a first core and a second core. The signaling device has an actuator, which can change between a defined first state and a second state. Between the two cores is a substantially constant voltage when the actuator is in the second state. A pulse generator in the signaling device causes a voltage dip between the first core and the second core in order to generate a defined pulsed signal comprising a plurality of signal pulses on the lines, when the actuator is in the defined first state. | 05-09-2013 |
| 20130127262 | Protective Sensor System for a Hand-Held Power Tool - The disclosure relates to a hand-held power tool comprising a housing having a handle portion, a tool portion for a tool that can be driven to move linearly and/or oscillate, an operator part on the housing side for the activation of the tool and/or the power tool on the user side, a drive unit for producing a working movement of the tool, an electronic unit for supplying the drive unit at least with open-loop control and/or closed-loop control signals, and an operating voltage unit for making an electrical DC voltage available, the drive unit comprising at least one excitation actuator having a volume of an excitation-active material, which actuator is supplied with power by the operating voltage unit when operated and which is controlled in an open or closed loop control by the electronic unit. | 05-23-2013 |
| 20130162056 | Activation of Safety Mechanisms Using Smart Materials - The present disclosure relates to a system, for selectively actuating a safety mechanism, to protect against electrical shock, using a transformable material. The system includes the transformable material, being: (1) connectable electrically to an electrical component having an unwanted electrical charge and (2) changeable between a deformed shape and an undeformed shape based on electrical input resulting from the electrical charge at the electrical component. The transformable material is also (3) connected mechanically to the safety mechanism so that change in the transformable material causes movement of the safety mechanism. The transformable material is further (4) configured and arranged in the system to, in response to being exposed to the electrical input, change to its undeformed shape and thereby actuate the safety mechanism. | 06-27-2013 |
| 20130193776 | ELECTRIC POWER CONTROL APPARATUS, ELECTRIC POWER CONTROL METHOD, ELECTRIC POWER CONTROL PROGRAM, AND RECORDING MEDIUM - An electric power control section includes: a temperature detecting section for detecting temperatures of a battery; and an accumulation counter for accumulating numerical values assigned to the respective temperatures of the battery which have been detected by the temperature detecting section. The electric power control section reduces electric power supply to an LCD display section when an accumulated value obtained by the accumulation counter exceeds a preset value. | 08-01-2013 |
| 20130200731 | METHOD AND DEVICE FOR DISCHARGING AN INTERMEDIATE CIRCUIT OF A POWER SUPPLY NETWORK - The present invention relates to a method ( | 08-08-2013 |
| 20130221762 | ELECTROMAGNETIC SHIELDING MATERIAL - An electromagnetic wave isolation device includes an isolation layer, a first substrate layer and a second substrate layer. The isolation layer has a first surface and a second surface. The isolation layer is doped with metallic particles. The first substrate layer is adhered to the first surface of the isolation layer, and the second substrate layer is adhered to the second surface of the isolation layer. The metallic particles doped in the isolation layer form a protection net for blocking electromagnetic waves. The device of the present invention can be formed as pieces of various shapes. Thus, the production cost of the present invention is reduced, while the practicability thereof is increased. | 08-29-2013 |
| 20130241316 | APPARATUS FOR CONTROLLING POWER SOURCE - A safety unit is provided for this purpose, and includes a position determining unit, a speed determining unit, a logical product unit, and a stopping unit. When a rotation amount (positional data) of an encoder rotating in connection with a rotation shaft of a servo motor falls within a predetermined limiting range, the position determining unit outputs a command for stopping a motor to a logical product unit. When rotation speed of the encoder rotating in connection with the rotation shaft of the servo motor falls within a predetermined limiting range, the speed determining unit outputs the command for stopping the motor to the logical product unit. This control by the logical product unit requires a stop command from both the position and speed determining units. The logical product unit informs the stopping unit to stop the servo motor to a controller. | 09-19-2013 |
| 20130241317 | SHORT-CIRCUITING DEVICE FOR A PHOTOVOLTAIC ARRAY - This short-circuiting device establishes and maintains a short-circuit across the terminals of a photovoltaic array having at least one photovoltaic panel. It comprises a member designed, on a given signal, to establish and maintain a short-circuit between two electrically conductive tracks each connected to a terminal of the photovoltaic panels of the photovoltaic array. The short-circuiting device furthermore comprises an indicator that the short circuit has been established and is being maintained, the means being mechanically activated by the member designed to establish and maintain the short-circuit. The indicator includes a warning light independent of the member and establishing and maintaining the short-circuit, and that can move, under the action of an elastic member, between a retracted position, in which it indicates that electrical power is being produced by the array, and a visible position, indicating that a short-circuit has been established and is maintained between the tracks. | 09-19-2013 |
| 20130293032 | ACTUATOR MODULE, SYSTEM FOR LOCKING- UNLOCKING A DOOR OF A HOUSEHOLD APPLIANCE AND RELATIVE OPERATING METHOD - An actuator module comprises an actuating unit comprising a solenoid which is capable, when excited, of generating an electromagnetic field, and a core movable due to the electromagnetic field generated by the solenoid with a first end and a second end so as to be able to assume a resting position and an operating position, and which is magnetic and/or able to be magnetized. The actuating unit can be controlled by activation signals and protection signals, the activation signals energizing the solenoid so as to generate a magnetic field such as to move and hold the movable core from a resting position to the operating position, and the protection signals exciting the solenoid so as to generate a magnetic field such as to return the movable core to and hold the moveable core in the resting position. The present invention concerns a locking-unlocking system and method for protecting the system. | 11-07-2013 |
| 20140001888 | method for operating a sensor system and sensor system | 01-02-2014 |
| 20140009004 | PORTABLE EMF SHIELD FOR LAPTOPS THAT PROTECTS ALL SURFACES OF THE LAPTOP - An electromagnetic field shielding device not only protects the lap of the user, but also their hands and face. The EMF shield has an EMF shield for the bottom of the laptop as well as a flexible, see-through, type-through EMF shield that extends over the screen and keyboard. The EMF shield of the present invention shields all areas of the laptop and protects the user from EMF radiation from laptops in the x, y and z axes, not merely a downward axis from the bottom of the laptop. | 01-09-2014 |
| 20140015345 | CURRENT LIMITING CIRCUIT FOR ELECTRICAL DEVICES - A current limiting circuit for use with an electrical device may include a test load and a test load switch operable for varying an electrical current flowing through the test load. A detector may be electrically connected to the test load for detecting variations in an electrical characteristic of the test load and generating a detector output signal indicative of the electrical characteristic. A detection threshold signal source may be provided for producing a detection threshold signal. A comparator may be electrically connected to the detector and the threshold signal source, the comparator operable for generating a load switch control signal based at least in part on the detector output signal and the detection threshold signal. A load switch may be electrically connected to the comparator and operable for adjusting a current flow through a main load in response to the load switch control signal. | 01-16-2014 |
| 20140042830 | POWER OUTPUT DISCHARGE CIRCUIT - The present invention relates to a power output discharge circuit including: an output filter module configured to receive and filter an input voltage and to output the filtered output voltage to a load; an output charge module configured to charge the output filter module when a power source module is plugged into a system cabinet; and an output discharge module configured to cooperate with the output charge module to discharge the output filter module when the power source module is pulled out of the system cabinet. With an implementation of the power output discharge circuit according to the invention, whether the power source module is pulled out of the system cabinet can be monitored in real time, and upon detecting the power source module being pulled out of the system cabinet, the output discharge module can be started rapidly, and the voltage across the output port can be lowered below a safety voltage in a very short period of time. | 02-13-2014 |
| 20140062222 | METHODS, SYSTEMS, AND APPARATUS FOR AUTOMATED MAINTENANCE MODE SWITCHING - Methods, devices, and systems for automated maintenance mode switching are described. An example method of controlling a protection assembly mode of operation is described for use in a system having a protection assembly configured to receive power from an upstream power source and provide power and protection to a downstream protection device moveable between a fully engaged position and a fully disengaged position. The method includes determining, by the protection assembly, when a maintenance action is being performed on the downstream protection device, and switching the protection assembly from a normal protection mode to a maintenance mode of operation in response to determining the maintenance action is being performed on the downstream protection device. | 03-06-2014 |
| 20140239744 | METHOD OF ELECTRICITY LEAKAGE DETECTION AND PREVENTION OF ELECTRICAL EQUIPMENT'S OUTER SURFACE AND SYSTEM THEREOF - Disclosed in the present invention are a method of electricity leakage detection and prevention of electrical equipment's outer surface and system thereof. The method and system are used for detecting and preventing electricity leakage of the electrical equipment's outer surface caused by defective insulation and power supply connection faults. Without in touch with the electrical equipment's outer surface, the electricity leakage of the outer surface can be detected and the connection between the electrical equipment and the power supply can be cut and an alarm is made by means of the current channel ( | 08-28-2014 |
| 20140306553 | METHOD OF CONTROLLING POWER AND ELECTRONIC DEVICE THEREOF - A portable electronic device supporting wireless electronic communication comprises a display, at least one sensor device, a protective cover and a processor. The protective cover is mounted to selectively cover portions of the display and the at least one sensor device detects an object located in proximity of the electronic device. The processor controls transmission power in response to detection of the object located in proximity of the electronic device by the sensor device and in response to an operation mode associated with the protective cover. | 10-16-2014 |
| 20140312715 | PROTECTION APPARATUS, METHOD AND POWER SUPPLY SYSTEM - The present invention discloses a protection apparatus for an IT network having a first and a second live line, having a signal generator which is designed to feed a first signal to the first and/or to the second live line, having a detection device which is designed to detect the profile of the fed first signal in at least one live line, and having a control device which is designed to analyse the detected profile and to output a disconnection signal when the analysis of the detected profile indicates that a living organism is in contact with the first live line and the second live line. The present invention also discloses a method and a power supply system. | 10-23-2014 |
| 20140346899 | POWER CONTROL DEVICE WITH MULTI-DIRECTIONAL SENSING ABILITY - A power control device includes an electric power switch and a control unit. The control unit is mounted on an electric device, determines whether the electric device is disposed at a normal use position or an abnormal inclined position, and determines whether the electric device is at a normal use state and is disposed at the normal use position. The control unit controls the electric power switch to provide electric power to the electric device when the electric device is at the normal use state, and to stop providing the electric power to the electric device when the electric device is at the abnormal inclined position. | 11-27-2014 |
| 20140368061 | MULTILAYER CASING DEVICE FOR ATTENUATING ELECTROMAGNETIC WAVES - A multilayer casing device for attenuating electromagnetic waves is made of at least one textile material, at least one metal material. The device is made up of a stack provided with at least, consecutively from the inside to the outside: a first diamagnetic metal material layer at least partially made of copper, a second textile layer at least partially made of wool or cotton, a third layer made of a ferromagnetic material, and a fourth textile layer at least partially made of wool and cotton. The device is also made up of a complementary stack of identical layers (the second textile layer, the third ferromagnetic layer and the fourth textile layer) extending symmetrically in relation to the first copper layer. | 12-18-2014 |
| 20140375145 | DISCONNECTION OF SOLAR MODULES - A method is provided for safely switching off a photovoltaic module comprising solar cell groups, a first conductor electrically connected to the solar cell groups, and a second conductor electrically connected to the solar cell groups. The safety device comprises at least one first safely switching element and one second safety switching element, wherein the safety switching elements are arranged in parallel across the solar cell groups and are connected to the first conductor and the second conductor in an electrically conductive manner. If an error state occurs, at least one of the safety switching elements is switched by means of a switching process, such that a shorted circuit is produced across the solar cell groups. The at least two safety switching elements perform the switching process in working areas that differ at least partially regarding the temperature. | 12-25-2014 |
| 20150022027 | Multiple signaling hinged safety switch for mobile protection barriers - A multi-signaling hinged safety switch for mobile protection barriers includes a fixed member designed to be secured to a stationary part of the barrier and having a pair of axial end holes, a movable member designed to be secured to a pivotal part of the barrier and having a pair of substantially transverse arms located outside the fixed member and pivoted to the axial end holes, an electrical detection system within the fixed member switching one or more electric safety circuits of the barrier at a predetermined switching angle. A pair of cylindrical pins extend in cantilever fashion from the arms and are pivotally inserted in the holes, with mutually spaced opposed ends defining a gap with no axial connection member therein. The detection system includes a pair of detectors each interacting with one end of a pin and having a switching angle that are operatively independent of each other. | 01-22-2015 |
| 20150028695 | BATTERY PACK DISCHARGING DEVICE AND METHOD FOR DISCHARGING A BATTERY PACK - A battery pack discharging device having a hand-held member and a docking device are provided. The hand-held member has a handle portion, first and second extension members, first and second conductive members, and a resistor. The resistor is disposed in the handle portion between the first and second conductive portions. The device further includes a docking device having a housing and first and second contact members. The first and second extension members are disposed in the first and second apertures, respectively, of the docking device such that the first and second conductive members contact the first and second contact members, respectively. | 01-29-2015 |
| 20150084439 | SHORTING ASSEMBLY AND METHOD FOR WIND TURBINE POWER SUPPLY - Shorting assemblies, shorting devices, and methods for shorting wind turbine power supplies are provided. A shorting device may include a plurality of cables, each of the plurality of cables including a first end and a second end. The shorting device may further include a plurality of bus bar connectors, each of the plurality of bus bar connectors attached to the first end of one of the plurality of cables and removably connectable to one of the plurality of bus bars. The shorting device may further include a common cable connector, the second end of each of the plurality of cable attached to the common cable connector. | 03-26-2015 |
| 20150115747 | METHOD AND DEVICE FOR OPERATING A TRIGGER DEVICE FOR OCCUPANT PROTECTION MEANS - A method for operating a trigger device for an occupant protection unit includes: activating a first switch (high side) of the trigger device for occupant protection units; activating a second switch (low side) of the trigger device for occupant protection units; detecting an output voltage at the second switch (low side); and deactivating the second switch (low side) as a function of the output voltage. | 04-30-2015 |
| 20150314409 | PROTECTIVE APPARATUS FOR A MACHINE TOOL - A protective apparatus and a machine tool are provided. The machine tool includes an operational element, a driving element, and the protective apparatus. The operational element and the driving element are disposed on machine table. The protective apparatus includes an insulating unit, conducting unit, capacitance sensor, and control unit. The insulating unit is disposed between the operational element and the driving element. The driving element drives the operational element by the insulating unit. The conducting unit contacts the operational element. The capacitance sensor electrically connects the conducting unit for sensing capacitance of the conducting unit. The control unit electrically connects the capacitance sensor and the driving element and determines whether a user approaches the operational element based on the capacitance. When the control unit detects that the distance between the user and the operational element is too close, the control unit stops the operation of the operational element. | 11-05-2015 |
| 20150357742 | ELECTRODE STRUCTURE WITH ELECTRIC-SHOCK PREVENTION FUNCTION - The present invention relates to electric equipment technology, and more particularly to an electric structure used in various devices of electric equipment. The electrode structure body with electric-shock prevention function is connected to a power transmission and distribution path to electric equipment. The electrode structure body with electric-shock prevention function prevents electric shock when the electric equipment connected to the electrode structure body or other equipment electrically connected thereto at a near place is submerged. | 12-10-2015 |
| 20160016178 | SAFETY SYSTEM AND METHOD FOR CUTTING MACHINE - A safety system prevents cutting machine operators from being accidentally carried through the infeed chute into the machine's cutting mechanism. An operator wears a safety device on his wrist and/or ankle and a sensor array mounts on opposing sides of the cutting machine's infeed chute. The sensor array elements are wound in opposite directions and connect in series opposing. The magnetic field of the safety device induces a current in the sensor array as it moves in the proximity of the sensor array. The safety system generates a signal which is proportional to the sum of the induced currents. When the signal exceeds a threshold, the safety system shuts off power to the feed mechanism and/or the cutting blades of the cutting machine, preventing injury to the operator. | 01-21-2016 |
| 20160035507 | METHOD AND DEVICE FOR PROTECTING PERSONS IN THE VICINITY OF AN HF FIELD-EMITTING DEVICE - A method is provided which protects persons in the vicinity of a high frequency (HF) field-emitting device, in particular a European train control system (ETCS) antenna of a rail vehicle. In order to be able to reliably protect persons from radiation that is detrimental to one's health, the device is held in or switched to an OFF state by an uplink for a limited period of time, the ON/OFF state being optically and/or acoustically signaled. | 02-04-2016 |
| 20160094220 | Non-Contact Proximity Switch For Machine Safety - A non-contact proximity switch having a first part and a second part which do not need to be in physical contact to detect proximity of the first and second parts. The first part is arranged to be connected to a reset circuit including an indicator light and a reset switch having a reset button. The first part includes a reset mechanism for machine safety, and the reset mechanism includes a signal generator and a signal detector. The reset mechanism is arranged to, upon indication that a reset is required, generate a signal so as to switch-on said indicator light, and the reset mechanism is further arranged to detect when the state of a connected reset switch corresponds to a state where the reset button is being pressed. | 03-31-2016 |
| 20160118212 | Safety switching device with failsafe inputs - A fail-safe safety switching device comprises first and second input channels for receiving first and second input signals, and a first testing arrangement for testing the first and second input channels. The first input channel comprises a first entry circuit and a first threshold element connected via a first coupling element to a second testing arrangement and a first transition circuit in a galvanically isolated manner. The second input channel comprises a second entry circuit and a second threshold element connected via a second coupling element to a third testing arrangement and a second transition circuit in a galvanically isolated manner. The first testing arrangement comprises a third coupling element, a ground terminal and a group testing terminal. The first and second threshold elements are connected to the ground terminal and via the third coupling element to the group testing terminal in a galvanically isolated manner. | 04-28-2016 |
| 20160149397 | ELECTRIC SHOCK PROTECTION DEVICE AND PORTABLE ELECTRONIC DEVICE INCLUDING THE SAME - Provided is an electric shock protection device disposed between a human body contactable conductor and an internal circuit unit of an electronic device. The electric shock protection device includes: a sintered body where a plurality of sheet layers stacked; an electric shock protection unit including at least one pair of inner electrodes disposed spaced a predetermined interval apart from each other inside the sintered body and a pore disposed between the inner electrodes; and at least one capacitor layer configured to pass communication signals flowing from the conductor. | 05-26-2016 |
| 20160149398 | ELECTRIC SHOCK DEVICE AND PORTABLE ELECTRONIC DEVICE INCLUDING THE SAME - Provided is an electric shock protection device disposed between a human body contactable conductor and an internal circuit unit of an electronic device, wherein in order to pass static electricity without causing dielectric breakdown when the static electricity flows from the conductor, block a leakage current of an external power source flowing from a ground of the circuit unit, and pass communication signals flowing from the conductor, the following equation is satisfied: | 05-26-2016 |
| 20160149399 | ELECTRIC SHOCK PROTECTION DEVICE AND MOBILE ELECTRONIC APPARATUS INCLUDING THE SAME - Provided are an electric shock protection device and a mobile electronic apparatus including the same. The electric shock protection device is disposed between a human contactable conductor and an internal circuit unit of an electronic device, in order to pass static electricity without causing dielectric breakdown when the static electricity is introduced from the conductor, and block a leakage electric current of an external power source introduced from a ground of the circuit unit, the following formula is satisfied: Vbr>Vin where Vbr is a breakdown voltage of the electric shock protection device, and Vin is a rated voltage of an external power source of the electronic device. | 05-26-2016 |
| 20160156351 | HAND-OPERATED SAFETY SWITCH WITH TIME DELAY | 06-02-2016 |
| 20160182043 | Context-Aware Electronic Apparatus, System and Methods thereof | 06-23-2016 |
| 20160254112 | Single-Channel Safety Output | 09-01-2016 |
| 20180026439 | SAFETY PROTECTION CIRCUIT | 01-25-2018 |
