Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 8184417 | Apparatus for fault tolerant analog inputs An input termination board for use with an industrial controller in a safety system is disclosed herein. The industrial controller may be populated with standard analog input modules according to the requirements of the application. The termination board may selecti... | 05/22/2012 |
| 8179649 | Protection circuit for control board A protection circuit for a control board is provided. The protection circuit is suitable for being disposed on a light on tester that may output a test voltage to a display module. The protection circuit includes a control device and a voltage stabilizer. The contro... | 05/15/2012 |
| 8174809 | Arrangement and method for deactivating electrical elements when malfunctioning Arrangements (1) are provided with electrical elements (11,21) for, in a feeding mode, receiving feeding signals and, in a non-feeding mode, not receiving the feeding signals, and with circuits (12,22) for, in the feeding mode, detecting malfunc... | 05/08/2012 |
| 8031448 | Input voltage clamp for a single-supply system A system, apparatus and a method are described that provide a voltage clamp for a single-supply system. In particular, a negative voltage clamp prevents a negative over-voltage in a system having only a positive independent voltage source. For example, certain analo... | 10/04/2011 |
| 7990670 | Protective circuitry for electronic device A protective circuitry (20) is connected between a power input port (11) and an electronic component (12) of an electronic device. The protective circuitry includes a field effect transistor (21) and a detection unit (25). The fiel... | 08/02/2011 |
| 7940502 | Backlight unit having protection circuit using center-tap There is provided a backlight unit having a protection circuit using a center-tap, the backlight unit including: a current balancing unit including a plurality of primary coils individually transmitting the lamp driving power from an inverter unit to the lamps, and ... | 05/10/2011 |
| 7898782 | Inverter An inverter detects whether a fault that an over current is supplied to a load is generated when the inverter supplies AC power and operates the load, and uses a voltage between a collector and an emitter of a switching element for detecting whether an over current ... | 03/01/2011 |
| 7876543 | Gas discharge lamp power supply A gas discharge lamp power supply having a base, a pair of opposed side walls extending from the base, and opposed first and second end walls extending from the base between the opposed side walls. The first end wall has a sloped wall extending angularly between the... | 01/25/2011 |
| 7804672 | System and method for power good monitor for multiple information handling system power supplies A switched power rail monitor compares voltages provided by a switched power rail and a power source to detect a predetermined differential indicative of a fault at the switched power rail. A switched power rail fault is communicated to a power manager to take corre... | 09/28/2010 |
| 7619864 | Regulator short-circuit protection circuit and method A signal source generates a reference voltage, and a voltage regulator receives the reference voltage and generates an output voltage and current. During normal operation, a pass element in the voltage regulator generates the output voltage, and a sense element gene... | 11/17/2009 |
| 7586722 | High voltage interlock system and control strategy A High Voltage Interlock Loop (HVIL) system and Control Strategy is provided for an alternative fuel vehicle including an electric, a hybrid electric, or a fuel cell vehicle. Generally, the HVIL system having associated logic including an HVIL circuit is provided to... | 09/08/2009 |
| 7468874 | Protection circuit for digital power module A sensorless protection circuit comprises a detection module. The detection module receives a reference voltage signal and receives a load voltage signal from a MOSFET. The detection module generates a detection signal having a first state and a second state accordi... | 12/23/2008 |
| 7439874 | Load status indicator A load status indicator is disclosed for determining whether power is available to, and current is flowing through, a load. A first visual status indicator may light up when power is available to the load but current is not flowing through the load. A second visual ... | 10/21/2008 |
| 7408396 | High voltage protection circuit Disclosed is a circuit to provide protection from an over voltage signal. The circuit protects against load dumps or positive transients applied to any electronic unit. The circuit isolates the protected circuitry from the transient voltage by two ways. The circuit ... | 08/05/2008 |
| 7401237 | Power supplying method and apparatus and a system using the same An apparatus includes at least one load, a control circuit, and a power supplying apparatus including a control-use power supply part, at least one load-use-power supply part, and a power supply control part. The control-use power supply part supplies first electric... | 07/15/2008 |
| 7375724 | Liquid crystal display and ESD protection circuit thereof A protection circuit of an LCD panel. The LCD panel includes a display cell coupled between a data electrode, a gate electrode and a common electrode. A switch includes a first terminal and a second terminal. The first terminal is coupled to the data electrode, the ... | 05/20/2008 |
| 7372688 | Protection devices and methods for preventing the flow of undesirable differential mode transients A differential mode surge protection apparatus includes first and second solid state protection devices in series between respective input and output connection points. The apparatus may be provided in conjunction with a common mode protection apparatus such as an i... | 05/13/2008 |
| 7369387 | Apparatus and method for temperature-dependent transient blocking An apparatus and method for temperature-dependent transient blocking employing a transient blocking unit (TBU) that uses at least one depletion mode n-channel device interconnected with at least one depletion mode p-channel device. The interconnection is performed s... | 05/06/2008 |
| 7349813 | Fault tolerant power system architecture for fluid flow measurement systems To provide a fault-tolerant architecture to supply electrical operating power in fluid flow measurement applications, apparatus and associated systems, computer program products, and methods include an intelligent power module with redundant and electrically indepen... | 03/25/2008 |
| 7342433 | Apparatus and method for enhanced transient blocking An apparatus and method for enhanced transient blocking employing a transient blocking unit (TBU) that uses at least one depletion mode n-channel device interconnected with at least one depletion mode p-channel device. The interconnection is performed such that a tr... | 03/11/2008 |
| 7336109 | High voltage tolerant port driver A plurality of output drive devices are capable of tolerating an overvoltage produced by an electrical connection with an external device operating in a high-voltage supply realm. The drive devices are capable of sustaining a continuous electrical connection to the ... | 02/26/2008 |
| 7337081 | Metering device with control functionality and method thereof A metering device of a power substation and method are provided for operating on a secondary analog waveform output by a transformer assembly receiving a primary waveform. The method includes stepping down the secondary waveform and generating a corresponding output... | 02/26/2008 |
| 7336060 | Circuit and method for controlling a DC-DC converter by enabling the synchronous rectifier during undervoltage lockout A control circuit for a DC-DC converter that prevents a deficiency from occurring due to sudden interruption in power supply. The control circuit activates and inactivates a main switching output transistor and a synchronous rectification output transistor to conver... | 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 |
| 7324315 | Protection device A protection device is enclosed. The device has a first MOSFET (Q 10), a second MOSFET (Q 11) and a third JFET (Q 12) with their conductive paths in series with the JFET (Q 12) being located between the MOSFETS (Q 10, Q 11).... | 01/29/2008 |
| 7321846 | Two-wire process control loop diagnostics A diagnostic device for coupling to a process control loop includes digital communication circuitry configured to receive a digital communication signal from the process control loop. The digital communication signal is a digitally modulated analog signal on the pro... | 01/22/2008 |
| 7315255 | Load status indicator A load status indicator is disclosed wherein a green light-emitting diode of a bi-color light-emitting diode lights up when power is available to but not being used by a monitored device, whereas a red light-emitting diode of the bi-color light-emitting diode lights... | 01/01/2008 |
| 7315439 | Method and circuit arrangement for limiting an overvoltage In order to limit an overvoltage at a parallel circuit of IGBT (3) and freewheeling diode (7), an undesirable current spike is used to switch on the intrinsically turned-off IGBT (3′) during the presence of the current spike precisely to an ex... | 01/01/2008 |
| 7301736 | Method and device for shutting down a drive with a matrix converter during a power outage A method and a device for shutting down a drive during a power outage are disclosed. The method and device include a matrix converter, several commutation capacitors on the power line side, a switch unit on the power line side and a resistor unit. During a power out... | 11/27/2007 |
| 7295412 | Protection circuit for power management semiconductor devices and power converter having the protection circuit A collector voltage of a power management semiconductor device is detected by a first comparator, and when the detected collector voltage exceeds a first reference voltage, the first comparator outputs a first detection signal. Furthermore, a gate voltage of the pow... | 11/13/2007 |
| 7290450 | Process diagnostics A diagnostic device for use in a industrial process includes monitoring electronics or diagnostic circuitry configured to diagnose or identify a condition or other occurrence in the industrial process. The system can be implemented in a process device such as a flow... | 11/06/2007 |
| 7272523 | Trimming for accurate reference voltage A method for trimming reference voltage circuitry includes defining a desired target reference voltage for a set of at least one die. At least two reference voltages are measured for at least two different trim settings associated with a given die of the at least on... | 09/18/2007 |
| 7268571 | Method for validating and monitoring automatic test equipment contactor A method and apparatus is provided for characterizing a contactor for automated semiconductor device testing, the method first comprising placing the contactor on a contactor test board positioned within an automated test apparatus. A first probe of the automated te... | 09/11/2007 |
| 7265955 | Protective circuit for analog sensors The protective circuit for analog sensors has transistors respectively located in a power supply voltage line and in a ground line. The control electrode of said circuit is located between the supply voltage and the ground via a voltage divider. The sensor output li... | 09/04/2007 |
| 7262946 | Integrated electronic disconnecting circuits, methods, and systems Merged devices for transient blocking. A pass transistor is placed so that its body potential drives the gate of a depletion-mode JFET-type blocking transistor. Thus a transient which appears on an external terminal is very rapidly propagated to shut off the blockin... | 08/28/2007 |
| 7248452 | Method of protecting semiconductor device and protection apparatus for semiconductor device using the same A protection apparatus for a semiconductor device includes a DC power source, a load, a semiconductor device arranged between the DC power source and the load and switches the load between a driving state and a stopping state, a comparator comparing a voltage drop a... | 07/24/2007 |
| 7209333 | Apparatus and method for over-voltage, under-voltage and over-current stress protection for transceiver input and output circuitry A circuit for protection of a transceiver input includes an input transistor and a first resistor connected between the drain of the input transistor and an input node. A plurality of reverse-biased diodes connected between a supply voltage and the input node. An ou... | 04/24/2007 |
| 7202617 | Circuit and method for controlling brushless DC motor A circuit for controlling a brushless permanent magnet motor is provided. The circuit comprises windings, each of the windings having a first end connected at a common node and each of the windings having a second end connectable directly to supply voltages by switc... | 04/10/2007 |
| 7196479 | Electronic ballast having a protective circuit for a switching transistor of a converter The invention relates to an electronic ballast for lamps having a converter, in which a switching transistor is protected against transient disturbances by a detection circuit C1, C2, R1, R2, D1–3, T1. In this case, the ti... | 03/27/2007 |
| 7161781 | Signal driving system A signal driving system generates an output swinging between a first power supply (e.g., about 1.2 Volts), powering first and second drivers, and a second power supply (e.g., about 3.3 Volts), powering a first current mirror. The second power supply is generated ext... | 01/09/2007 |
