| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 318466000 | Movement, position, or limit-of-travel | 39 |
| 20080224642 | System and related methods for diagnosing operational performance of a motorized barrier operator - A barrier operating system having a diagnostic performance feature includes a motorized barrier movable between limit positions and a counterbalance system coupled to the barrier. A disconnect mechanism may be interposed between the motor and the counterbalance system so that the barrier can be moved manually without assistance from the motor. A position detection device is coupled to either the barrier or the counterbalance system and generates a barrier position signal. One of the motor and the position detection device generates operational parameter values for the barrier moving in either direction. A controller receives the operational parameter values and the barrier position signal, and as the barrier is manually moved, the controller compares operational parameter values for each direction of movement at a given position and generates a diagnostic signal based upon the comparison. | 09-18-2008 |
| 20080272726 | Control Apparatus and Method for Controlling an Adjusting Device in a Motor Vehicle - Control apparatus for an adjusting device in a motor vehicle, having
| 11-06-2008 |
| 20090102408 | BACKWARD PEDALING DETECTION CIRCUIT FOR E-BIKE MOTOR DRIVER - A backward pedaling detection circuit has a charging/discharging circuit for charging and discharging the external capacitor to meet the threshold voltage required by the hysteresis comparator, based on the input from the hall sensor. An internal pull-down circuit, based on the pedal speed, keeps the circuit from false triggering. A comparator with hysteresis (Schmitt trigger) sets the upper and lower threshold voltage and eliminates the effect of noise. AND gates act like switches to allow the selected signal to pass through. | 04-23-2009 |
| 20090108787 | MOTOR DRIVING SYSTEM - The present invention relates to a motor driving system. The motor driving system includes a motor, a transmission member, a follower member, a position-detecting light emitter, a position-detecting light receiver, and a positioning-status sensing element. The positioning-status sensing element includes a plurality of notches or openings. The positioning-status sensing element is moved between the position-detecting light emitter and the position-detecting light receiver such that a light beam emitted from the position-detecting light emitter is successively penetrated through the notches or openings to be received by the position-detecting light receiver. According to the light-receiving status of the position-detecting light receiver, the speed of the motor is reduced. | 04-30-2009 |
| 20090115366 | Pivoting and Barrier Locking Operator System - An operator system for moving a barrier between limit positions, includes an operator motor assembly mounted to the barrier, wherein the motor assembly is movable between an operating position and a locking position with the motor assembly blocking movement of the barrier. A bias assembly allows the motor assembly to move toward the locking position when either a predetermined force overcomes a biasing force, or when the barrier is moved to a closed position or when forced entry is imposed on the barrier. A modified blocker tab having a plurality of projections, and which is part of the motor assembly, allows the speed/angular position of the rotation of the motor assembly to be monitored with increased resolution. | 05-07-2009 |
| 20090237024 | METHOD AND APPARATUS FOR PINCH PROTECTION FOR A MOTOR-DRIVEN CLOSURE SYSTEM - The invention relates to a pinch protection method and device for a motor-driven closing system. The method comprises the following steps: detecting a reduced motor speed, switching off the motor, analyzing a sensor signal for detecting a pinch situation, deciding whether a pinch situation is present, and controlling the motor depending on the detection of a pinch situation. The device for detecting a pinch situation comprises a motor, a detection unit, a control unit and at least one sensor. The device is adapted to carry out the method according to the invention. | 09-24-2009 |
| 20090278486 | Motor Controlling Method for Rotating a Lift Arm of an Adjustable Bed according to a Predetermined Bending Angle of the Lift Arm - In an adjustable bed, a bending angle of a lift arm is precisely adjusted according to generated signals corresponding to a wheel rotated by a motor of the adjustable bed or according to a current state related to the wheel. The signals are generated according to whether light is obstructed by gratings, according to whether a magnetic force is detected, or according to a change of a magnetic field. The current state is current resistance of a variable resistor disposed near the wheel. | 11-12-2009 |
| 20100013424 | APPARATUS AND METHOD FOR CONTROLLING BARRIER MOVEMENT - An apparatus for controlling the movement of a barrier is provided. The apparatus includes a governor with a preload member. The preload member provides a preload force that releasably and magnetically couples the preload member to the governor. The preload member is configured and arranged to provide a sufficient holding force to the governor in order to hold the barrier in place. The governor is configured and arranged to, upon the preload force being selectively decoupled from the preload member, allow for the downward movement of the barrier while also forming and applying an intentional braking force to the barrier to slow the downward movement of the barrier. | 01-21-2010 |
| 20110050143 | Synchronous oscillating fan system for livestock shelter - A synchronous fan system is provided which intermittently calibrates the fans by rotating periodically the fans each to a common stop position. | 03-03-2011 |
| 20110193508 | Vehicle display system and motor control device therefor - A step motor and a motor control unit are connected to a battery, so that electrical power is continuously supplied to the step motor and the motor control unit. The motor control unit continuously drives the step motor until a rotor of the step motor reaches at a next excitation stable point, in a case that a display position adjusting switch or an ignition switch is turned off when the rotor of the step motor is on a way to the next excitation stable point. | 08-11-2011 |
| 20130154532 | Method for Moving an Element, which is Driven by an Electric Motor Inside a Predetermined Movement Section Between Two Block Positions Each Formed as a Limit Stop, into a Block Position - A method for moving a movable element into a block position includes providing a supply voltage to an electric motor associated with the movable element for the motor to generate a motor current and drive the element with motor power dependent on the motor current in order to move the element along a path. Upon the element being moved into a block position of the path, the supply voltage provided to the motor is controlled such that the motor current generated by the motor is continuously reduced over a time period to zero. For instance, the supply voltage is pulse-width modulated at a decreasing pulse duty ratio over the time period such that the motor current generated by the motor is continuously reduced over the time period to zero. | 06-20-2013 |
| 20130293173 | Device for Detecting Collisions and a Method Related Thereto - In summary it is described a column for a piece of furniture as well as a piece of furniture with at least one movable member ( | 11-07-2013 |
| 20140239867 | PINCH DETECTION APPARATUS FOR OPENING-AND-CLOSING MEMBER, AND OPENING-AND-CLOSING MEMBER APPARATUS - A pinch detection apparatus for an opening-and-closing member actuated by a motor, the pinch detection apparatus includes a reference data storage portion calculating load data on the basis of a rotation speed of the motor and an environmental temperature, the reference data storage portion storing the load data and the environmental temperature as reference load data and reference temperature data, respectively, a drive load calculation portion calculating drive load data, and a pinch determination portion configured to determine an occurrence of pinch on the basis of a comparison result obtained by comparing a difference between the reference load data and the drive load data with a threshold, the pinch determination portion configured to correct a relative relation between the difference between the reference load data and the drive load data, and the threshold on the basis of a relative relation between a reference temperature and a drive temperature. | 08-28-2014 |
| 20150108933 | SYSTEMS AND METHOD FOR SPEED AND TORQUE CONTROL OF A DC MOTOR - A method for operating a direct current (DC) motor is shown and described. The method includes generating a first pulse width modulated (PWM) signal having a first duty cycle, providing the first PWM signal as a PWM DC output for the DC motor, and adjusting the first duty cycle to control a speed of the DC motor. The method further includes sensing an electric current output to the motor using a current sensor and, when the sensed current exceeds a threshold, holding the PWM DC output off. | 04-23-2015 |
| 20150137723 | ELECTRONIC APPARATUS AND PROTECTING METHOD THEREOF - An electronic apparatus includes a first casing, a protected device, a detector, a first actuator and a controller. The protected device is spaced apart from the first casing by a first shortest distance. The detector is configured to detect a first early sign before a first collision of the first casing and the protected device. The controller is configured to actuate the first actuator after the detector detects the first early sign, causing an increase of the first shortest distance. | 05-21-2015 |
| 20150364911 | AUTOMOTIVE ELECTRICALLY-ACTUATED DEVICE END-OF-TRAVEL DETECTION - An automotive electronic control unit configured to control an automotive electrically-actuated device which is required to move from/to one or more end-of-travel positions, wherein the electronic control unit is configured to detect reaching an end-of-travel or stall position by the automotive electrically-actuated device based on:
| 12-17-2015 |
| 318467000 | Plural sensing means for determining plural positions or plural limits-of travel | 2 |
| 20140042946 | LAUNDRY APPLIANCE - A laundry appliance having a perforated rotatable drum for spin dehydrating a wet textile load, an electric motor for providing an accelerating force which in use causes the drum to rotate, load sensors for detecting any static dynamic imbalance in the rotation of the drum, and a controller which receives inputs from the load sensors and is programmed to, in a spin-up phase, energise said electric motor so as to evenly distribute the load within the drum and thereby minimise any static or dynamic imbalance when the drum rotates. | 02-13-2014 |
| 20150115855 | MOTOR CONTROLLER DETECTING ABNORMALITY OF POWER TRANSMISSION UNIT BETWEEN MAIN SPINDLE AND MOTOR - A motor controller includes a single-rotation signal detector detecting a single-rotation signal that indicates a single rotation of a main spindle, a rotation angle detector detecting a rotation angle of a motor every predetermined time, and a counter adding up the rotation angle. A value of the counter is reset when the single-rotation signal detector detects the single-rotation signal of the main spindle. The motor controller further includes a judgment unit judging that a power transmission unit has abnormality when a value of the rotation angle of the motor added up in the counter deviates from a predetermined range. | 04-30-2015 |
| 318468000 | Limit-of-travel control means | 17 |
| 20090200977 | WALL SAVER - A system and associated method for preventing damage to an adjacent wall surface of an electrically operated bed that utilizes a normally closed/momentarily open switch assembly attached to the bed frame at a location such that when the bed fame is maneuvered toward an adjacent wall surface, a head of the switch contacts the wall surface before any other part of the bed frame or a proximity sensor switch is activated when the switch head is in the prescribed range from the wall surface. The push button switch is in electrical communication with the bed frame operational circuitry. When the switch activated from its depression from thw all surface contact or its proximity to the wall surface, the electrical circuitry in the system circuitry is interrupted thereby stopping the operation of the bed frame from being maneuvered and preventing damage to the wall surface. | 08-13-2009 |
| 20100283421 | ACTUATOR - Linear actuator ( | 11-11-2010 |
| 20110012548 | Safty system for electric ride-on toys - A safety system for an electric ride-on toy includes a current regulator electrically connected between the battery and electric motor; and a control module connected to the current regulator, having an input device adapted to receive a safety command, and adapted to activate the current regulator if the safety command is received. When activated, the current regulator reduces the electrical current provided from the battery to the electric motor. Current reduction can be in whole or in part. The control module can include a variable resistor. The safety system can optionally include a reset mechanism. When activated, the current regulator remains activated until the reset mechanism is triggered. The input device can be a wireless receiver, and the safety system can further include a wireless transmitter for sending the safety command and/or a warning signal. The wireless transmitter can include an antennae positioned to form a boundary, which can be open or closed. | 01-20-2011 |
| 20110068725 | LINEAR ACTUATOR - A linear electro-mechanical actuator comprises a housing with a reversible DC-motor ( | 03-24-2011 |
| 20110089879 | Linear Actuator - Linear actuator device, comprising a housing ( | 04-21-2011 |
| 20120126737 | AUTOMATED SHADE CONTROL SYSTEM - Automated shade systems comprise motorized window coverings, sensors, and controllers that use algorithms to control operation of the automated shade control system. These algorithms may include information such as: 3-D models of a building and surrounding structures, shadow information, reflectance information, lighting and radiation information, ASHRAE clear sky algorithms, log information related to manual overrides, occupant preference information, motion information, real-time sky conditions, solar radiation on a building, a total foot-candle load on a structure, brightness overrides, actual and/or calculated BTU load, time-of-year information, and microclimate analysis. | 05-24-2012 |
| 20120200247 | ARCHITECTURAL OPENING COVERINGS AND METHODS - Example architectural opening coverings and methods are disclosed. An example architectural opening covering system comprises a first motor to move a middle rail relative to a fixed top rail, and a second motor to move a bottom rail relative to the middle rail and the fixed top rail. The example system also comprises a controller to selectively actuate the first motor to move the middle rail based on a first position of the middle rail and a first position of the bottom rail, and to selectively actuate the second motor to move the bottom rail based on a second position of the middle rail and a second position of the bottom rail. | 08-09-2012 |
| 20130099714 | HIGH EFFICIENCY ROLLER SHADE AND METHOD FOR SETTING ARTIFICIAL STOPS - The present invention advantageously provides a motorized roller shade that includes a shade tube, a motor/controller unit and a power supply unit. The motor/controller unit is disposed within the shade tube, and includes a bearing, rotatably coupled to a support shaft, and a DC gear motor. The output shaft of the DC gear motor is coupled to the support shaft such that the output shaft and the support shaft do not rotate when the support shaft is attached to the mounting bracket. | 04-25-2013 |
| 20130141030 | LINEAR ACTUATOR - A linear actuator comprising a spindle, a spindle nut, a transmission, an electrical motor, and an actuation element, is arranged to linearly move the actuation element by means of an interaction of the spindle and the spindle nut, which interaction is being driven by the electrical motor through the transmission. A position of the actuation element, the relative position between spindle and spindle nut, is determined by means of an absolute rotary position sensor and a counter. The counter keeps track of the number of under-flows and over-flows the absolute rotary position sensor generates during movement of the actuation element. A combination of a value from the absolute rotary position sensor and a count from the counter determines the position. | 06-06-2013 |
| 20130175962 | WIPER PARK SWITCH INPUT SIGNAL NOISE REJECTION CIRCUIT - A wiper system is provided and may include a wiper that operates between a parked state and a use state, a motor associated with the wiper that selectively moves the wiper between the parked state and the use state, and a switch that generates a signal identifying whether the wiper is in the parked state or the use state. The wiper system may also include a controller in communication with the switch. The controller may include a second-order filter and a comparator, whereby the controller passes the signal through the second-order filter and the comparator to differentiate between the parked state and the use state. | 07-11-2013 |
| 20130175963 | MOTOR CONTROL APPARATUS - A motor control apparatus that controls a motor which switches an operating position of a control object and that is powered from a power source through a switching portion which is turned on or off by an operating portion includes a control portion executing a return control after an abutment control. The control portion maintains the switching portion on until the return control is completed so as to continue powered from the power source, when the operating portion is operated to turn the switching portion off in a time period from when the abutment control is started to when the return control is completed. | 07-11-2013 |
| 20130207584 | Linear Actuator - A linear actuator comprising a spindle, a spindle nut, a transmission, an electrical motor, and an actuation element, is arranged to linearly move the actuation element by means of an interaction of the spindle and the spindle nut, which interaction is being driven by the electrical motor through the transmission. A position of the actuation element, the relative position between spindle and spindle nut, is determined by means of an absolute rotary position sensor and a counter. The counter keeps track of the number of under-flows and over-flows the absolute rotary position sensor generates during movement of the actuation element. A combination of a value from the absolute rotary position sensor and a count from the counter determines the position. | 08-15-2013 |
| 20140097780 | ELECTROMAGNETIC ACTUATOR - An electromechanical actuator includes a drive motor having rotatable drive shaft. A magnetic element is disposed on the drive shaft. A rotary-to-linear motion converter is driven by the rotatable drive shaft and includes a non-rotating actuator body that is linearly movable in a traveling direction. A Hall-effect sensor is disposed in a stationary manner proximal to the magnetic element disposed on the drive shaft. A controller is in electronic communication with the Hall-effect sensor. The controller counts the number of impulses output by the Hall-effect sensor when the drive shaft rotates relative to the Hall-effect sensor, and turns off the drive motor after a predetermined number of impulses have been counted since the start-up of the non-rotating actuator body. The controller may also count the number of times that the current of the drive motor exceeds a predetermined maximum value and store this counted value in a memory element. | 04-10-2014 |
| 20140184123 | Device for Moving a Movable Furniture Part, and Piece of Furniture - In a device for moving a furniture part, in particular a shutter, door or drawer, which is accommodated in a movable manner on a basic furniture structure, having an actuating drive, which, in a drive mode, is connected to the movable furniture part and drives the movable furniture part, and having a sensor means, which is connected to the actuating drive and is intended for activating the actuating drive, the sensor means has a database and is designed such that, with the device installed in the use state, physical state variables to which the movable furniture part is subjected via the user, and which serve for monitoring the movement of said furniture part, can be sensed and read into the database, wherein the database has, or can have, stored in it movement profiles which are each assigned to a certain movement situation of the movable furniture part which is initiated by external action on the movable furniture part and can be described by physical state variables, and wherein, with the aid of at least one sensed physical state variable, a certain associated movement profile can be retrieved from the database and the actuating drive can be activated in accordance with the movement profile achieved. | 07-03-2014 |
| 20150102755 | DEVICE AND METHOD FOR OPERATING AN ELECTROMECHANICAL ADJUSTMENT DEVICE - A device and a method for operating an electromechanical adjustment device having an electric drive device, include a control unit that detects the reaching of a mechanical end stop of the adjustment device and controls and/or regulates the electric drive device. After a mechanical end stop of the adjustment device is reached, a change in the direction of rotation is automatically actuated in the electric drive device for a predefinable period of time or a predetinable traveling distance. | 04-16-2015 |
| 20160062365 | DRIVING DEVICE OF VEHICLE DOOR LATCH UNIT - A driving device includes: a neutral switch switches over from ON to OFF when an automatic closing function by a motor is operated and a first cam surface is released from a contact with the neutral switch; and a gear detection switch switches over from ON to OFF when an automatic closing function by the motor is operated and a second cam surface is released from a contact with the gear detection switch, wherein the operation of the automatic closing function by the motor is configured to be initiated by switch-over of a ratchet switch of the door latch unit from OFF to ON and ended by switch-over of the neutral switch from OFF to ON, and the gear detection switch is configured to switch over from OFF to ON by coming into contact with the second cam surface when the automatic releasing function by the motor is operated. | 03-03-2016 |
| 318469000 | Overloading limit-of-travel-type control means | 1 |
| 20130038265 | MOTOR CONTROLLER - To stably control a driving object to approach and contact a pressure object at a low impact, to suppress a vibration generated when the driving object presses the pressure object, and to enable a motor controller to operate based on a simple command, a regression torque controller of the motor controller limits a torque-control velocity command to up to a velocity limit value vlim defined based on a contact velocity between a driving object and a pressure object and outputs the torque-control velocity command, and a velocity controller of the motor controller calculates a torque command so that a motor velocity can follow the torque-control velocity command output from the regression torque controller. | 02-14-2013 |
| 318470000 | Magnitude of movement or revolutions | 4 |
| 20080258666 | Method of controlling a motorized window treatment - A method of controlling a motorized window treatment provides for continued operation of the motorized window treatment during an overload condition, a low-line condition, or an electrostatic discharge (ESD) event. The motorized window treatment is driven by an electronic drive unit having a motor, a motor drive circuit, a rotational position sensor, a controller, and a memory for storing the command. The controller stores the present position of the motorized window treatment in the memory each time the rotational position of the motor changes by a predetermined angle, such that a plurality of positions are stored in the memory. When the controller is reset due to an overload condition or ESD event, the controller recalls the desired position from the memory, determines the present position, and continues to drive the motor drive circuit in response to the command and the present position. | 10-23-2008 |
| 20130314019 | HIGH SPEED OPENER FOR GARAGE DOORS UTILIZING A COUNTERBALANCING SPRING - A high speed garage door system and related methods of operation with a garage door working in conjunction with a counterbalancing spring. The high speed garage door system can include an operator configured as a high speed jackshaft opener or alternatively, with a high speed trolley opener. The operator can includes a three phase brake motor that receives a simulated three phase signal from a variable frequency drive. Using a series of shafts and a torque limiter, the motor can quickly accelerate and decelerate such that the garage door can open and close at an average speed exceeding about 2 feet per second. A system controller communicates with an encoder mounted on an output shaft of the motor such that the position of the garage door remains known to the system controller even in the event of slippage caused by the torque limiter. | 11-28-2013 |
| 20150061561 | MOTOR CONTROL DEVICE - The motor control device is an electric motor control device including a control unit (control circuit unit) configured to output a forward-rotation command or a reverse-rotation command to the electric motor. The control unit includes a position detector (door opening/closing information generation circuit) configured to detect a rotation direction of the electric motor when a detection signal is input from a rotation sensor (Hall integrated circuit (IC)), which detects the rotation of the electric motor, while no current is supplied to the electric motor. The control unit includes an electric current supply device (pulse width modulation (PWM) command generation circuit) configured to supply an electric current by which the electric motor is rotated in an opposite direction to the detected rotation direction by increasing an electric current supply duty ratio every time the detection signal is switched. | 03-05-2015 |
| 20170234051 | Slack Removal Method For Vehicle Window Anti-Pinch System | 08-17-2017 |
