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| Number | Title | Issue Date |
| 7405648 | Remote control wiring mechanism There is provided a remote control wiring mechanism, which makes it easy to construct a system by facilitating a connection work and treatment of members constructing the system. A main unit includes signal terminals connected to signal lines and power supply termin... | 07/29/2008 |
| 7372685 | Multi-fault protected high side switch with current sense An integrated high side switch with multi-fault protection. When a fault condition is detected, the switch is turned off. The switch includes a pair of transistors that are connected such that the source of the first transistor is connected with the source of the se... | 05/13/2008 |
| 7340364 | Test apparatus, and control method There is provided a test apparatus that tests a device under test. The test apparatus includes a control processor that executes a test program for testing the device under test, a test unit that is connected to the device under test and tests the device under test ... | 03/04/2008 |
| 7330345 | Valve control method for circuitry for power generation systems A fail-safe control system for controlling valves in power generation systems is presented. The AC-coupled, rectified signal supplied to one valve is disabled in the event that the other valve fails. This failure is sensed, for example, through the use of power sens... | 02/12/2008 |
| 7323960 | Electromagnetostrictive actuator An actuator includes an electromagnetostrictive element that has one end located on a front side and the other end located on a rear side. An output shaft penetrates the electromagnetostrictive element and is pressurized toward the rear side of the electromagnetostr... | 01/29/2008 |
| 7310032 | Remote controlled circuit breaker switch handle engagement apparatus A remote controlled circuit breaker switch handle engagement apparatus is provided. The apparatus is adapted to be removably attached across a circuit breaker face-plate of a traditional residential and commercial circuit breaker in order to facilitate remote comple... | 12/18/2007 |
| 7245046 | Internal power re-routing by reverse powering to overcome fault scenarios in submarine cable systems System and method for re-routing internal power for reducing voltage requirements of a submarine transmission system. A power supply supplies power to a bridge rectifier circuit (10) the latter biasing a plurality of Zener diodes (11; 12; 13; 14; 15; 16 | 07/17/2007 |
| 7233744 | Power feed arrangement using aggregate segments A power feed arrangement for aggregate segments of a communications system is disclosed. In embodiments of the invention, cables are used to communicatively connect a number of landmasses, where the cables also serve to carry electrical power to devices connected al... | 06/19/2007 |
| 7165637 | Robotic all terrain surveyor A vehicle including a body and three legs. Each leg includes a proximal end coupled to the body, a distal end opposite the proximal end, and an actuator. Each actuator imparts enough acceleration to the vehicle along an axis of the leg to cause the distal end of the... | 01/23/2007 |
| 7147057 | Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore Systems and methods are provided for treating a wellbore using a loop system to heat oil in a subterranean formation contacted by the wellbore. The loop system comprises a loop that conveys a fluid (e.g., steam) down the wellbore via a injection conduit and returns ... | 12/12/2006 |
| 7124470 | Tool lanyard A tool having a lanyard, a tool member and structures for attaching the lanyard and the tool member. The attaching structures includes a pin that is engaged with the lanyard and the tool member. The tool defines an opening having a bore contiguous with the opening f... | 10/24/2006 |
| 7116007 | Protecting medium voltage inductive coupled device from electrical transients There is provided a method for protecting loads associated with power distribution system inductive signal couplers. The method includes (a) providing an inductive signal coupler having a first winding in series with a line conductor of a power distribution system, ... | 10/03/2006 |
| 7088153 | Data storage latch structure with micro-electromechanical switch Micro-electromechanical switches (MEMS) are configured to form a data storage latch to reduce power consumption, to reduce the space used in an integrated circuit, and to improve performance of the integrated circuit. MEMS are implemented at the wiring layer connect... | 08/08/2006 |
| 7082023 | Method and circuit arrangement for function monitoring of an electronic-mechanical position switch In a method for function monitoring of an electronic-mechanical position switch in which the wiper voltage of a potentiometer acted upon by an actuation tappet is evaluated in comparison to a threshold value in order to activate or deactivate electronic contacts, du... | 07/25/2006 |
| 7067940 | Submarine branching unit having asymmetrical architecture A branching unit for use in submarine systems that includes a ground termination; first, second, and third cable terminations each coupled to a power feed line of a respective submarine cable; a re-configuration relay in series between the first cable termination an... | 06/27/2006 |
| 7061143 | Actuator unit with a base actuator an additional actuator and control unit An actuator unit includes a base actuator and an additional actuator, via which a useful circuit can be opened and closed. Given proper functioning, the base actuator can be activated by supplying electric energy and deactivated by not supplying electric energy. The... | 06/13/2006 |
| 7059126 | System for preventing swing wag for a work machine with a boom assembly A swing cushion system of a work machine includes a directional flow device having a directional control member, a control device coupled to the directional flow device that outputs a signal to the directional flow device to shift the directional control member to d... | 06/13/2006 |
| 7032675 | Thermally-controlled valves and methods of using the same in a wellbore Methods of operating a downhole tool comprise thermally-controlling the tool by sensing a temperature and controlling the tool in response to the sensed temperature. Thermally-controlled downhole tools comprise a control element responsive to a change in temperature... | 04/25/2006 |
| 7023683 | Electric relay control circuit A circuit and method for controlling two or more electric relays, wherein at least one of the relays are rated to handle a higher voltage level while at least one of the relays are rated to handle a lower voltage level. A controller selectively activates the relays ... | 04/04/2006 |
| 6960918 | Method and apparatus for control and fault detection of a remote electrical motor The present invention provides a system and method to passively monitor the performance of an electrical circuit designed to drive to a remote electric motor, including faults that occur intermittently. The invention is capable of identifying the location and type o... | 11/01/2005 |
| 6943540 | Multiple-channel solenoid current monitor An arrangement for monioring multiple channel solenoid currents wherein a plurality of separately controllable solenoid coils are coupled commonly by a single current measurement element to one side of a current supply. ... | 09/13/2005 |
| 6917506 | Control apparatus for master/slave outlets A control apparatus for master/slave outlets having a current sensor, a driver, a large current switch component and a direct-bucking type power supply such that the working power source required by the master/slave equipment can be supplied stably. Further, the con... | 07/12/2005 |
| 6895187 | Branching unit and system for underwater optical communication A branching unit, for use in optical communication systems, has three branches A, B and C each including a connection for a power feed and several inputs/outputs for optical fibers. Optical switches are provided for selectively coupling inputs/outputs of different b... | 05/17/2005 |
| 6870723 | Configuration comprising two contactors connected in series An arrangement includes two series-connected switching contacts in two contactors. The tripping signal thereof is generated with a variable time offset so that the number of disconnection processes and connection processes, which are carried out first in time, are v... | 03/22/2005 |
| 6861931 | Portable remote control circuit breaker system A system for remotely manipulating circuit breakers between open and closed conditions in an electrical panel having a number of circuit breakers in a vertical array includes an activator unit removably attachable to the panel and having an elongated shaft equipped ... | 03/01/2005 |
| 6765775 | Submarine cable branching unit with current limiter A submarine branching unit is disclosed that includes a termination for each of at least three line cables and a termination to sea ground. A relay is positioned between each pair of cable terminations. When current flows between two of the cables, the intermediary ... | 07/20/2004 |
| 6741442 | Intelligent power distribution system An intelligent power distribution system including one or more intelligent power strips. The power strips can each include an elongated housing that may be adapted for mounting in an equipment rack. The housing can include a first end, a second end and plurality of ... | 05/25/2004 |
| 6741443 | Method of providing reliable switching for DSL relay array A known method of addressing relays in an array is to provide two windings on each relay, wherein one winding is associated with a row drive signal and one winding is associated with a column drive signal, and half of the required activation current is provided by e... | 05/25/2004 |
| 6653752 | Switch device of theft-prevented type alarm A switch device of theft-prevented type alarm has a first switch module controlled by a starting switch so that the first switch module is turned on when the starting switch is pressed at a first time and is maintained in an on state. A second switch modu... | 11/25/2003 |
| 6600643 | Submarine cable branching unit with double-coil relays A submarine branching unit including at least one power relay having two separate coils, rather than a single coil. The first coil provides an initial magnetic field capable of closing an electrical circuit contact, while the second coil provides a redund... | 07/29/2003 |
| 6559614 | Electrical circuit arrangement for controlling an electromotor in a motor vehicle An electrical circuit arrangement for controlling a unit, such as an adjustment system for windows or a sliding sunroof, that is driven by a motor and is situated in a motor vehicle. The arrangement guarantees that, in the case of a short-circuit of circu... | 05/06/2003 |
| 6513086 | Signal conditioning system including low voltage and high voltage analog buses A signal conditioning system which includes a low voltage analog bus and a high voltage analog bus. The signal conditioning system comprises a chassis having a plurality of slots, wherein each of the slots is adapted to receive a module. The chassis inclu... | 01/28/2003 |
| 6459707 | Relay multiplexer system and method for prevention of shock hazard A relay multiplexing system which provides improved safety from hazardous voltage conditions. The relay multiplexing system comprises a relay multiplexer module and a terminal block which connects to the relay multiplexer module. The relay multiplexer mod... | 10/01/2002 |
| 6433991 | Controlling activation of devices An actuator assembly includes an operating actuator and a holding actuator that are engageable with an operator member of a device. The operating actuation is cycled between on and off states to move the operator member in incremental steps, and the holdi... | 08/13/2002 |
| 6417636 | Power window device In a power window device, a DOWN switch has first and second switches in a power window circuit located in a door for a window of a passenger's seat. A normally-closed contact of the first switch and a remote UP terminal of the power window circuit to whi... | 07/09/2002 |
| 6392318 | Programmable emergency-stop circuit The invention comprises a programmable emergency-stop circuit apparatus and method that provides advanced functions not found in other systems. The circuit centralizes the control of high voltage motor power into one place, by providing connections for, i... | 05/21/2002 |
| 6388860 | Dual switch control system A quick stop circuit for a spring applied quick stop mechanism coupled to an electrically operated actuator includes a dual quick stop switch which includes a simultaneously operated normally open switch and a normally closed switch. The closing of the no... | 05/14/2002 |
| 6308668 | Method for starting an electromechanical regulating device especially designed for controlling the charge cycle in an internal combustion engine A method for starting an electromechanical regulating device especially designed for controlling the charge cycle in an internal combustion engine. The electromechanical regulating device has an actuating element and an actuating drive. The actuating driv... | 10/30/2001 |
| 6266225 | Method of programming relay based connectors A method of programming one or more relay based electrical devices comprises the steps of selecting an electrical device to program, switching the relay from a first state to a second state, and applying a time varying signal to the relay associated with ... | 07/24/2001 |
| 6246564 | Activating device An actuating device for a motor used in a power window of an automobile which can drive the motor reliably to open the window even when the automobile is submerged in water. This device has a simple configuration is relatively small and inexpensive. This ... | 06/12/2001 |
