Quotables
"Telephone, n. An invention of the devil which abrogates some of the advantages of making a disagreeable person keep his distance. "
Ambose Bierce
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8045313 | Solenoid controls, systems, and methods of use for obtaining optimum battery life The present disclosure is directed to systems and methods for controlling energy consumption in a system having a battery and including a controller and one or more solenoids. In accordance with the disclosure, the controller provides a controlling mechanism, such a... | 10/25/2011 |
| 7948730 | Fast turn-off and fast turn-on of an inductive load and usage in vehicle application A fast turn-off and fast turn-on circuit (10) providing at least one power source (12, 20), at least one switching device (14, 22), a coil (16), and at least a first voltage control device (18). The at least one switching device ( | 05/24/2011 |
| 7738234 | Solenoid-operated valve and solenoid-operated valve-driving circuit When a power source voltage is applied to a switch control section, a control signal is supplied from the switch control section to a transistor. The transistor is placed in an ON state during a period of time corresponding to a pulse width of the control signal. Th... | 06/15/2010 |
| 7499254 | Low power solenoid driver circuit The present invention provides a system and method for controlling a solenoid that ensures accurate timing between the enabling of the driving circuit and the activation of the solenoid, while simultaneously providing a two energy level driving scheme to reduce powe... | 03/03/2009 |
| 7423857 | Current detecting circuit and actuator driving apparatus By switching the NMOS (11) on and off, a drive current passes through a solenoid (15). The drive current passes through a conversion circuit (16), and an amplifier circuit (17) outputs a current detection result by amplifying the output v... | 09/09/2008 |
| 7405918 | Inductive load control A method is provide for controlling an inductive load device (ILD). The method includes providing a voltage potential across ILD and disabling a flow of current through the ILD resulting from the voltage potential across the ILD when a voltage across a sensing devic... | 07/29/2008 |
| 7403366 | Control circuit for an electromagnetic drive A control circuit for an electromagnetic drive includes first and second electronic switching elements, which in conjunction with a timing element subject the drive coil to a corresponding direct current in the starting phase or in the maintenance phase. A starting ... | 07/22/2008 |
| 7368885 | Lighting controller for lighting device for vehicle A lighting controller for a lighting device for a vehicle includes a semiconductor light source; a power source for supplying electric power; and control circuitry for receiving the electric power from the power source and controlling a current supplied to the semic... | 05/06/2008 |
| 7369391 | Drive circuit of direct-current voltage-driven magnetic contactor and power converter In a direct-current voltage-driven magnetic contactor, a main contact is in an open circuit condition in an attraction period of an initial period of excitation by an operating coil, and in a closed circuit condition in a subsequent holding period, and a drive circu... | 05/06/2008 |
| 7360526 | Method for operating an internal combustion engine In a method for operating an internal combustion engine with an electrically openable and closable fuel injector (18), the injectors are reliably held open in all operating conditions by the fact that the holding current for an open valve (18) is switc... | 04/22/2008 |
| 7359175 | Relay drive circuit A potential of an end of the coil is inputted to a plate-OFF detecting portion which detects OFF-tendency in which a plate of a relay is about to get apart from a head of a core of the relay. When the OFF-tendency is detected, a coil current for supplying a coil of ... | 04/15/2008 |
| 7353103 | Fuel system performance monitor A system for monitoring performance of a fuel system in a vehicle includes a plurality of sensing modules that periodically sense data from a plurality of control systems in the vehicle during a predetermined evaluation period. The system includes a control module t... | 04/01/2008 |
| 7350590 | Instrumentation for a downhole deployment valve The present generally relates to apparatus and methods for instrumentation associated with a downhole deployment valve or a separate instrumentation sub. In one aspect, a DDV in a casing string is closed in order to isolate an upper section of a wellbore from a lowe... | 04/01/2008 |
| 7349192 | Method of operating a device for controlling electric actuators with optimum actuation current distribution There is described a method of operating a device (1) controlling electric actuators (3), and having a pair of input terminals (4, 5) connected to an electric energy source (6, 10); a number of pairs of output terminals (7, 8), bet... | 03/25/2008 |
| 7348689 | Switching circuit and a method of operation thereof This invention relates to the operation of a switching circuit, such as a bridge circuit. The invention provides a method of generating pulsed first and second switching signals for switching first and second switches of a switching circuit further comprising an out... | 03/25/2008 |
| 7349193 | Solenoid driver with high-voltage boost and reverse current capability Prior to the operation of a solenoid type of fuel injector, a DC voltage is applied across the injector to create a current through the injector that is below the activation current of the injector. A capacitor is then placed in series with the injector and the flyb... | 03/25/2008 |
| 7336114 | High-speed latching technique and application to frequency dividers The inventive technique can dynamically adjust the current being applied within the components of a prescaler or divider. This dynamic scaling of the current can improve the speed of the divider by a factor of two or reduce the average current in half when compared ... | 02/26/2008 |
| 7336470 | Solenoid drive apparatus and drive method A solenoid (30) has one end connected to the ground G and the other end connected to an N-MOS transistor (33) which applies current from a battery (31) to the solenoid (30). On the other hand, regenerative current generated when the N-MOS... | 02/26/2008 |
| 7336037 | Intelligent electrical switching device The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a micro... | 02/26/2008 |
| 7325781 | Automatic bathroom flushers with modular design A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou... | 02/05/2008 |
| 7318420 | Control apparatus for internal combustion engine A drive control circuit supplies power to a solenoid coil in an in-cylinder injector of a cylinder in response to a fuel injection signal. A failure detection circuit to detect disconnection failure at an in-cylinder injector is arranged to be shared among cylinders... | 01/15/2008 |
| 7315440 | Circuit and method for driving a coil-armature device Methods and circuits for driving a coil-armature device are disclosed. The circuits are configured to drive the coil-armature device to a first energy level for a period of time sufficient to retract the armature to the center of the coil, and then, to drive the coi... | 01/01/2008 |
| 7312755 | Internal antenna of wireless communication terminal An internal antenna of a wireless communication terminal, in which internal style folded monopole antenna is installed, is provided. The internal antenna of a wireless communication terminal includes a folded monopole antenna. The folded monopole antenna includes tw... | 12/25/2007 |
| 7310582 | Electromagnetic flow meter with reduced power consumption and reduced exciting current An electromagnetic flow meter of a switching control system in which a DC voltage is applied to an exciting coil via switching elements, a direction of an exciting current flowing through the exciting coil is switched over at a predetermined excitation timing, and t... | 12/18/2007 |
| 7307397 | Driving unit A driving unit of the present invention comprises a moving element, an elastic body configured to support the moving element, a permanent magnet fixed on said moving element, an electromagnet disposed to be opposed to said permanent magnet, and a controller. The mov... | 12/11/2007 |
| 7289878 | Apparatus and method for modifying operation of an electric gun driver A method and apparatus for providing adjustment of current-related dispensing parameters in an electric dispensing gun. A control circuit receives user-selected inputs corresponding to dispensing parameters of the gun and converts those inputs into digital signals. ... | 10/30/2007 |
| 7271993 | Control of current in an inductance with pulse width modulation at control frequency A PWM controller for a bridge driver circuit for controlling current in an inductive load such as a motor, can set the driver into a forward mode, a slow decay mode or a fast decay mode, and can switch from slow decay mode into forward mode or into fast decay mode f... | 09/18/2007 |
| 7262950 | Relay device having holding current stabilizing and limiting circuit A relay device includes plural relay units, each having a coil for opening/closing a contact point, a base plate made of resin and having wiring metal pieces, and a control circuit mounted on the base plate for controlling current supply to the coil. The control cir... | 08/28/2007 |
| 7253637 | Arc fault circuit interrupter system In order to determine whether arcing is present in an electrical circuit, a sensor signal corresponding to current in said electrical circuit is processed. The sensor signal is filtered to determine the presence of noise in a predetermined frequency range and produc... | 08/07/2007 |
| 7248453 | Circuit and method for controlling current flow through a solenoid A solenoid control circuit that includes two switching networks that are selectively opened and closed in a current limit cycle to control the magnitude of the current flowing through the solenoid. The configuration of the switching networks is such that current flo... | 07/24/2007 |
| 7245474 | Circuit arrangement and method for controlling a bistable magnetic valve A circuit arrangement and also a method for controlling a bistable magnetic valve in which a magnetic valve is to be supplied with a pulse of electrical current in order to switch over the magnetic valve from a first stable state into a second stable state, comprise... | 07/17/2007 |
| 7242567 | Actuator drive controller An actuator drive controller is equipped with a power source for supplying power to an actuator; a voltage detector for detecting a voltage of the power source; and a controller for controlling a current supplied to the actuator, based on the voltage detected. When ... | 07/10/2007 |
| 7237516 | Method for controlling an actuator, using a retaining mark space ratio The invention relates to a method for controlling an actuator which can be displaced between two end positions, said actuator being impinged in one end position and being capable of displacement to the other end position by an electromagnetic part. The actuator is f... | 07/03/2007 |
| 7239498 | Mining solenoid The invention relates to a mining electromagnet for the switching of hydraulic pilot valves or main control valves used in underground mining operations, with a coil which can be connected to an intrinsically-safe power unit, with an armature which can be displaced ... | 07/03/2007 |
| 7234439 | Fuel injection system executing overlap injection operation A control device executes an overlap injection operation, in which one of the plurality of injectors is energized first to inject fuel, and a next one of the plurality of injectors is energized to inject fuel after starting of the energization of the one of the plur... | 06/26/2007 |
| 7235962 | Inductor-based current sensing A circuit for sensing a current in an inductor is described. Integrator circuitry is operable to generate a first signal representing an integration of a voltage across the inductor. Comparison circuitry is operable to generate a reset signal each time the first sig... | 06/26/2007 |
| 7235936 | Linear vibration motor A linear vibration motor comprises: a stator provided with one of a permanent magnet and an electromagnet including a winding; a vibrator provided with the other of the permanent magnet and the electromagnet and supported to be able to vibrate; a movement detection ... | 06/26/2007 |
| 7226649 | Laser weldable flexible medical tubings, films and assemblies thereof The present invention provides a tubing assembly having a sidewall having a first layer. The first layer is fabricated from a first polymer blend comprising a first component of a material not thermally responsive to laser beam and selected from the group consisting... | 06/05/2007 |
| 7221106 | Cordset based appliance controller An apparatus and method for distributed control of an electrical appliance having a plug and a load and two power carrying conductors connecting the plug to the load, comprising locating power control elements completely within the plug, connecting interface element... | 05/22/2007 |
| 7209330 | Reset lockout for circuit interrupting device Resettable circuit interrupting devices, such as GFCI devices, that include a reset lock-out mechanism are provided. The reset lock-out mechanism prevents the resetting of electrical connections between input and output conductors if the circuit interrupting mechani... | 04/24/2007 |
