| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 307141000 | With time delay or retardation means | 16 |
| 20080218003 | Switch and System for Controlling Electric Loads - An electrical switch unit ( | 09-11-2008 |
| 20080265685 | MULTIPLE LOCATION ELECTRONIC TIMER SYSTEM - A multiple location electronic timer system comprises an electronic timer and one or more accessory timers. The electronic timer is adapted to be coupled between an AC power source and an electrical load. The electronic timer is operable to enable the delivery of power to the load and to subsequently discontinue the delivery of power to the load automatically after a preset timeout period has elapsed. In response to controls signals received from the accessory timer, the electronic timer is operable to adjust the preset timeout period, enable the delivery of power to the load, discontinue the delivery of power to the load, and to enter a bypass mode in which the load is turned on for an indefinite amount of time. The accessory timer may be coupled to the electronic timer via a single conductor, a wired digital communication link, a radio frequency communication link, an infrared communication link, or a power line carrier communication link. | 10-30-2008 |
| 20090015074 | ELECTRONIC DEVICE - An electronic device includes a substrate, a first chip mounted on the substrate and having a first terminal, a second terminal, an input pad and a semiconductor time switch connected to the first terminal and the second terminal and configured to disconnect the first terminal and the second terminal upon lapse of a prescribed lifetime, the input pad being configured to set the prescribed lifetime, a second chip mounted on the substrate and incorporating an operational device having a third terminal connected to the first terminal and a fourth terminal serving as an input terminal for an external device, a first memory device mounted on the substrate, having a fifth terminal connected to the second terminal and storing information required for operating the operational device, and an encapsulater covering at least the input pad of the first chip. | 01-15-2009 |
| 20090058195 | LOAD CONTROL MODULE - A load control module suitable for an electrical equipments driven by an operation of a switch is disclosed. The load control module includes an energy storage unit, a signal transforming unit, a first control unit and a second control unit. The energy storage unit still outputs a reserved voltage for a predetermined time during the switch is turned off. The signal transforming unit and the first and the second control unit are driven by the reserved voltage. With a different switching speed of the switch, the second control unit may operate in coordination with the actions of the signal transforming unit and the first control unit to regulate a level of the control voltage, or maintain the level of the control voltage in a current state. The electrical equipments may perform diversified control functions under control of the load control module operated in coordination with an operation of the switch. | 03-05-2009 |
| 20090315411 | MOMENTARILY ENABLED ELECTRONIC DEVICE - A circuit or apparatus for providing intermittent or interruptible power to an electronic device. The circuit may provide power upon user initiation and interrupt that power in response to a user command, fault state, period of inactivity and so forth. As one example, interruptible power may be initially provided to activate or “power up” an electronic device and constant power provided after the initial activation. The initial powering up of the device may be facilitated by closing two contacts. The circuit may continue to provide power after the button is released through a monitoring and/or feedback mechanism. | 12-24-2009 |
| 20100141050 | SWITCHING CONTROL SYSTEM OF CIRCUIT BREAKER - A switching control system of circuit breaker is provided, which can easily connect with such an external equipment as a PC, both at the work site and remote side, without using dedicated software, and can implement efficient maintenance and data collection. The system comprises: one or more switching control units of circuit breaker | 06-10-2010 |
| 20120104871 | ENERGY EFFICIENT COMPACT ELECTRONIC TIMER FOR AN ELECTRICAL LOAD - A compact wall-mountable load control device for controlling the power delivered to an electrical load from an AC power source includes: a controllably conductive device coupled in a series electrical connection between the AC power source and the load, the controllably conductive device including a control input; a control circuit operatively coupled to the control input of the controllably conductive device, the control circuit operable to control the conductivity of the controllably conductive device, the control circuit including a timer; a timer adjustment selector operatively coupled to the control circuit; a visual indicator operatively coupled to the control circuit; and a switch operatively connected to the control circuit to provide a user the ability to operate the control circuit using the integral switch. The control circuit includes a timed ON setting, an OFF setting, and an ON setting that bypasses the timer. The timed ON setting may be user adjustable. | 05-03-2012 |
| 20120306291 | ELECTRIC MACHINE TOOL COMPRISING A STARTING INHIBITOR - In an electric machine tool having an electronics unit for implementing a starting lockout, the electric machine tool being connectable to an associated power source in an electrically conductive manner, the electronics unit is configured to receive power from the power source only for a limited, predefined period of time after an electrically conductive connection between the electric machine tool and the power source has been established. | 12-06-2012 |
| 20140175905 | SERIAL ADVANCED TECHNOLOGY ATTACHMENT DUAL IN-LINE MEMORY MODULE DEVICE - A serial advanced technology attachment dual in-line memory module device includes first and second electronic switches, a voltage detecting circuit, a power circuit, and an edge connector. The edge connector includes first to third power pins and first and second notches. The first power pins are connected to an input terminal of the voltage detecting circuit. An output terminal of the voltage detecting circuit is connected to first terminals of the first and second electronic switches. The second power pins are connected to the second terminal of the first electronic switch. The third power pins are connected to the second terminal of the second electronic switch. The third terminals of the first and second electronic switches are connected together and also connected to the power circuit. | 06-26-2014 |
| 20140191591 | Preventing Out-of-Synchronism Reclosing Between Power Systems - The present disclosure provides apparatus, systems, and methods for preventing out-of-synchronism closing between power systems. An intelligent electronic device (IED) apparatus may include a control component and a delay component. The control component is configured to selectively control opening and closing of a breaker. The control component selectively outputs a close signal to cause the breaker to connect a first portion of a power delivery system to another portion of the power delivery system. The delay component is configured to delay output of the close signal to the breaker. The delay component includes circuitry independent from control by the control component and the delay component is inconfigurable from a remote location. | 07-10-2014 |
| 20140252885 | ACTUATOR CONTROL METHOD AND ACTUATOR CONTROL DEVICE - An actuator control method and an actuator control device that incorporate an element of feedback control in time optimal control, including: a calculation step of calculating a switching time at which an acceleration output is switched to a deceleration output and an end time of the deceleration output expressed by time elapsed from a calculation time at which calculation for control is performed using a maximum acceleration and a maximum deceleration, which are measured in advance, at the time of the maximum output of control force of an actuator; a control output step of setting the control force of the actuator to a maximum acceleration output from the calculation time to the switching time, setting the control force of the actuator to a maximum deceleration output from the switching time to the end time, and ending the output of the control force at the end time, and an update step of calculating and updating the switching time and the end time by repeating the calculation step at each preset time. | 09-11-2014 |
| 307141400 | Electrically initiated | 4 |
| 20090278410 | Pre-Set Timer and Plug Adapter - A plug adapter in combination with a pre-set digital timer (in minutes) that plugs into an electrical wall outlet and safely disconnects the current to any device plugged into the adapter after a pre-set time period has elapsed. The pre-set timer and plug adapter includes an on-off push button switch and a selector button to choose a shorter time period as desired. | 11-12-2009 |
| 20110031819 | Electrical timer apparatus and a system for disconnecting electrical power - An apparatus and system disconnects electrical power from an electrical power outlet. Specifically, the apparatus and system disconnects electrical power, such as AC power, from an electrical receptacle and a timer when the timer has expired. More specifically, the apparatus and system for disconnecting electrical power has a plurality of switches to engage a timer circuit. A first switch either engages the timer circuit or bypasses the timer circuit. Upon engaging the timer circuit, a second switch is engaged to supply power to the timer circuit for the duration of a timer. A third switch allows a user to select various timer values to set the duration of the timer. One or more indicators informs a user whether the bypass circuit is engaged or whether the timer circuit is engaged. | 02-10-2011 |
| 20120112562 | TIMING POWER SWITCH - A timing power switch includes a power module for getting and dealing with an AC input voltage, a switch module having an electromagnetic relay and a driving circuit, and a control module which includes a microcontroller having a plurality of specific time span of time values preset therein, a power unit regulating an output voltage of the power module and then providing a work voltage for the microcontroller, and a time control switch connected with the microcontroller for making choice of one time value so as to drive the microcontroller to send out corresponding control signals by means of counting down the time value selected by the time control switch. Then the driving circuit controls switch states of the electromagnetic relay according to the control signals, so as to further control whether there is power output to an external electric appliance or not. | 05-10-2012 |
| 20140117783 | MOTOR PROGRAMMING TOOL - A motor programming tool is disclosed for associating with a connection block of a motor and sending signals to a programmable controller of the motor, where the connection block includes a plurality of terminals coupled to the controller. The programming tool includes a tool body with an interface generally corresponding with the connection block of the motor, wiring operable to carry the signals, and a plurality of terminal connecting assemblies to associate with the motor terminals. The tool body includes a shiftable locking mechanism operable to selectively secure the tool body relative to the electrical connection block of the motor. The locking mechanism includes a pivotable latch moveable between an open position, wherein the connecting assemblies are freely moveable into and out of contact with the motor terminals, and a closed position, wherein at least a portion of the pivotable latch is in contact with the motor and the connecting assemblies are restricted from moving out of contact with the motor terminals. | 05-01-2014 |
| 307141800 | Series connected switches | 1 |
| 20090261661 | POWER CONTROL DEVICE FOR APPARATUSES THAT EMPLOY STANDBY POWER - An apparatus is disclosed herein that includes a housing, wherein the housing has a front and a back, wherein the housing includes first electrical receptacles, a switch, and a timer module. The first electrical receptacles are positioned on the front of the housing and are configured to receive first prongs of an electric plug, and the switch may be responsive to the timer. The apparatus can further include second prongs that correspond to the first electrical receptacles, wherein the second prongs re coupled to the housing and are configured to be received by second electrical receptacles of an outlet socket. The switch, when closed, is operative to electrically couple at least one of the first prongs with at least one of the second electrical receptacles. When open, the switch is operative to prevent electrical coupling of the at least one of the first prongs with the at least one of the second receptacles. The timer is operative to cause the switch to be opened and closed. | 10-22-2009 |
