Bizarre Patents
Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 7936548 | Overcurrent switching apparatus In order to form an overcurrent switching apparatus for medium-voltage or high-voltage applications with a current detection device for changing over a contact system associated with them from a first state to a second state in the event of a threshold current being... | 05/03/2011 |
| 7760481 | Electronic device for controlled failure A selectively protected electrical system includes or operates with a power source, a load, a power driver circuit for controllably transferring power from the power source to the load, the power driver circuit being encapsulated in a potting material, and a control... | 07/20/2010 |
| 7760480 | Electronic assembly for switching electric power An electronic assembly for switching electric power, comprising two power supply buses spaced from each other between which semiconductor switches to be driven by means of a control input are arranged at a power output for providing electric power, a capacitor arran... | 07/20/2010 |
| 7616423 | Electronic equipment, driving method thereof and method of driving electronic circuit In order to compensate fluctuation of the characteristics of a field effect transistor and detect capacitive change of a capacitive element for measurement with high precision, the electronic circuit of the present invention includes; a transistor outputting current... | 11/10/2009 |
| 7508641 | Method of forming an in-rush limiter and structure therefor In one embodiment, an in-rush limiter is configured to control an output voltage to increase at a rate that is independent of the load that is powered by the in-rush limiter. ... | 03/24/2009 |
| 7460350 | Selective potting for controlled failure and electronic devices employing the same A selectively protected electrical system includes or operates with a power source, a load, a power driver circuit for controllably transferring power from the power source to the load, the power driver circuit being encapsulated in a potting material, and a control... | 12/02/2008 |
| 7428133 | Protection device of a surge protector The present invention relates to an protection device of a surge protector, which comprises: a first fuse; a resistor; a switching circuit; a second fuse; and a surge protector; thereby the switching circuit can be turned ON and make the resistor be heated when the ... | 09/23/2008 |
| 7385795 | Cordless power tool with a protected weak link element A method consistent with an embodiment may include selecting one of a plurality of components of a power supply system of a cordless power tool to be a protected weak link element. The method may also include configuring the protected weak link element to fail from ... | 06/10/2008 |
| 7365450 | Current cutoff circuit and electric steering wheel lock An electric cutoff circuit for preventing overheating of a load. The current shutoff circuit includes an FET connected to a motor circuit. A relay fault detection circuit is connected to the motor circuit to detect potential at the motor circuit. A CPU sends a contr... | 04/29/2008 |
| 7362558 | Protective device in a controller In the case of a protective device in a controller which contains at least one processor and is connected to a sensor via a sensor ground line and at least one further line, the invention provides that a ground in the controller is connected to the sensor ground lin... | 04/22/2008 |
| 7352032 | Output driver with split pins The drains of the PMOS transistor and the NMOS transistor of a driver are separated and connected to two spaced-apart pins. The spaced-apart pins provide ESD protection to the NMOS transistor, which can be turned on during an ESD event by voltages that propagate thr... | 04/01/2008 |
| 7348018 | Methods of cleansing skin or hair with cleansing articles The present invention relates to disposable, personal cleansing articles useful for cleansing the skin or hair. These articles are used by the consumer by wetting the dry article with water and then rubbing the article against the skin or hair. The article comprises... | 03/25/2008 |
| 7345383 | Abnormality detection apparatus for a power feed circuit A single state detector circuit can quickly detect short-circuit and open-circuit abnormalities of a load controlled by a power transistor. A DC power supply, the load and the power transistor are serially connected with one another, so that a switching terminal vol... | 03/18/2008 |
| 7342762 | Resettable circuit protection apparatus A circuit protection device includes a solid-state resettable switch, a first terminal in electrical communication with a first portion of the switch, the first terminal configured to be connected to a load. A second terminal is placed in electrical communication wi... | 03/11/2008 |
| 7339806 | Adjustment device for adjusting wave shape of output of a DC-AC inverter A DC-AC inverter has an adjustment device for adjusting wave shape of output thereof includes a feedback circuit, and a zero-crossing detector; the feedback circuit will detect and measure output voltage of the inverter, and feedback-control the inverter to make the... | 03/04/2008 |
| 7339773 | Method for driving a semiconductor switch and circuit configuration with a semiconductor switch A method for driving a semiconductor switch with load current limiting and thermal protection whose maximum load current is limited and which switches off when a predetermined upper temperature is exceeded and switches on again when a predetermined lower temperature... | 03/04/2008 |
| 7336465 | Protection device of a surge protector The present invention relates to an protection device of a surge protector, which comprises: a first fuse; a resistor; a switching circuit; a second fuse; and a surge protector; thereby the switching circuit can be turned ON and make the resistor be heated when the ... | 02/26/2008 |
| 7333316 | AC power line protection using thyristors A transient suppressor circuit for use in suppressing transient voltages superimposed on AC power conductors. The transient suppressor circuit includes a threshold thyristor connected in series with a capacitor. The transient suppressor circuit is connected across t... | 02/19/2008 |
| 7330046 | Circuits and methods for failure prediction of parallel MOSFETs Power conversion circuits often consist of several MOSFETs operating in parallel. Due to thermal cycling and mechanical operations. MOSFETs or the respective electric connections of the MOSFETs may fail. For certain implementations, a diagnosis circuit for a plurali... | 02/12/2008 |
| 7327183 | Squaring cells and multipliers using summed exponentials A squaring cell combines first and second exponential currents to approximate square law behavior. The exponential currents can be generated by current stacks having pairs of series-connected junctions. The exponential currents can be altered to change the shape of ... | 02/05/2008 |
| 7327546 | Power switching circuit with active clamp disconnect for load dump protection A power switching circuit supplying electrical power to a load comprising a power MOSFET semiconductor switch having a gate electrode and two main current carrying electrodes and a back biased body zener diode, an active clamp for clamping a voltage between one of t... | 02/05/2008 |
| 7309906 | Apparatus and methods for providing highly effective and area efficient decoupling capacitance in programmable logic devices Improved decoupling capacitor designs and layout schemes are provided that generate high effective capacitance and high area efficiency at higher frequencies than that of previously known decoupling capacitor designs. The improved decoupling capacitor designs utiliz... | 12/18/2007 |
| 7301744 | Electronic equipment, driving method thereof and method of driving electronic circuit In order to compensate fluctuation of the characteristics of a field effect transistor and detect capacitive change of a capacitive element for measurement with high precision, the electronic circuit of the present invention includes; a transistor outputting current... | 11/27/2007 |
| 7292046 | Simulated module load A circuit and method of operation for simulating a capacitive load for an integrated circuit or chip. The circuit adds a small capacitor to a test cell that tests the performance of a chip, such as a DRAM memory device, so that it may be tested realistically before ... | 11/06/2007 |
| 7288450 | General protection of an integrated circuit against permant overloads and electrostatic discharges In an integrated circuit, a diode is interposed between the semiconductor substrate and the contact pad to an external bias voltage, and the substrate is biased at an internal voltage reference. Between each contact pad of the integrated circuit and semiconductor su... | 10/30/2007 |
| 7286331 | Electrostatic protection device for semiconductor device Disclosed is an electrostatic protection device for a semiconductor device, which protects the semiconductor device from damage due to electrostatic discharge (ESD). The electrostatic protection device includes a delivery unit for inducing the static electricity int... | 10/23/2007 |
| 7283344 | Electronic switch In an electronic switch which includes a pair of terminal portions 14, 14, and self arc-suppressing elements Q21, Q22 having a one-way on and off control construction connected in inverse-series between the pair of terminal portions and which tu... | 10/16/2007 |
| 7271507 | Process and system for controlling an electronic power component and data recording support comprising instructions for executing the process The process for controlling an electronic power component for piloting an opening and/or closure of this component. The piloting process includes a plurality of steps for controlling the application of a succession of different commutation voltages on a control elec... | 09/18/2007 |
| 7271990 | Smart solid state relay An electrical system includes a solid state relay (1) and an electrical connector (2) that connects solid state relay (1) to a load (4). The solid state relay (1) includes a power MOSFET (Q1) for switching power to the load ... | 09/18/2007 |
| 7262442 | Triac operating in quadrants Q1 and Q4 A triac including on its front surface side an autonomous starting well of the first conductivity type containing a region of the second conductivity type arranged to divide it, in top view, into a first and a second well portion, the first portion being connected t... | 08/28/2007 |
| 7262574 | Robot overcurrent prevention system In an overcurrent prevention system for a robot having links connected by joints and an electrical system including electric motors installed at the joint, a power circuit connecting the electric motors to a power source, and drive circuits to supply current to the ... | 08/28/2007 |
| 7242563 | Reverse phase control power switching circuit with overload protection In one embodiment of the invention, a reverse phase control power switching circuit for controlling the flow of current through a load from an AC source comprises a sensing bridge in series with the load and the AC source. The conductive state of the sensing bridge ... | 07/10/2007 |
| 7239493 | Method for preventing the generation of excessive high voltage Method for preventing a high voltage circuit form generating excessive high voltage, wherein the method comprises the following steps: a) reading a digital representation of a reference value associated with one of a plurality of operation modes stored ... | 07/03/2007 |
| 7235857 | Power semiconductor device A semiconductor device is provided in which a plurality of MOSFETs including a vertical MOSFET is formed on a substrate. The device includes a silicon carbide substrate having front and back surfaces facing each other, an isolating region formed in the substrate to ... | 06/26/2007 |
| 7236340 | Gate control circuit for prevention of turn-off avalanche of power MOSFETs A switch in an inductive circuit is prevented from avalanche operation when the switch is turned off. By preventing avalanche, the associated EMI is reduced or eliminated. Switch avalanche can be prevented using an active component, such as a transistor, or a passiv... | 06/26/2007 |
| 7233474 | Vehicle electrical protection device and system employing same An electrical protection device is provided. The device can be removably attached to or mounted inside of a power source, such as a vehicle, e.g., automobile, battery and can employ a replaceable fuse element. The device includes an overcurrent protection element, s... | 06/19/2007 |
| 7233472 | Highly efficient line transient protection circuit for high power loads A highly efficient line transient protection circuit is provided for high power loads that are designed to operate through a high line transient. The transient protection circuit for high power loads is provided with a primary leg circuit, a load circuit and a secon... | 06/19/2007 |
| 7230806 | Multi-stack power supply clamp circuitry for electrostatic discharge protection A multi-stack power supply clamp circuit for providing electrostatic discharge (ESD) protection to enhance performance of advanced submicron processes is provided. The clamp circuit includes a bias voltage generator with low leakage and high current drive capabiliti... | 06/12/2007 |
| 7218496 | Overcurrent protection circuit The voltage generator circuit includes a regulator, a first sensor circuit, and a second sensor circuit. The first sensor circuit includes a first transistor, a first resistor, and an error amplifier. When V1>Vth, the error amplifier senses an overcurrent con... | 05/15/2007 |
| 7196378 | Electrostatic-protection dummy transistor structure A semiconductor apparatus where output and protection transistors are different in transistor structure, and where, even when breakdown in the output transistor occurs earlier than in the protection transistor, an ESD surge current does not concentrate in the output... | 03/27/2007 |
