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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8188786 | Modularized three-dimensional capacitor array A modularized capacitor array includes a plurality of capacitor modules. Each capacitor module includes a capacitor and a switching device that is configured to electrically disconnect the capacitor. The switching device includes a sensing unit configured to detect ... | 05/29/2012 |
| 7705668 | Mobile telephone with interblock control for power conservation A mobile telephone is provided that includes a plurality of circuit blocks and adapted to cut off the supply of power source voltage to any one of the circuit blocks. The mobile telephone also includes an interblock interface circuit provided on a signal path betwee... | 04/27/2010 |
| 7262951 | De-coupling capacitors produced by utilizing dummy conductive structures integrated circuits A de-coupling capacitor module using dummy conductive elements in an integrated circuit is disclosed. The de-coupling module comprises at least one circuit module having one or more active nodes, and at least one dummy conductive element unconnected to any active no... | 08/28/2007 |
| 7215762 | Method of selecting impedance setting for loop start trunk line A method of selecting an optimum impedance for a loop start trunk line, comprising successively applying respective ones of a plurality of impedance settings to the loop start trunk line, for each impedance setting measuring the impulse response of the trans-hybrid ... | 05/08/2007 |
| 7187236 | Rail-to-rail differential input amplification stage with main and surrogate differential pairs An operational amplifier input stage provides a symmetrical rail-to-rail input common-mode voltage without turning off either pair of complementary differential input transistors. Secondary, or surrogate, transistor pairs assume the function of the complementary dif... | 03/06/2007 |
| 7162654 | Isolation of I2C buses in a multiple power domain environment using switches A disk enclosure includes a first enclosure controller powered by a first voltage circuit and coupled to a first I2C bus, a second enclosure controller powered by a second voltage circuit and coupled to a second I2C bus, and a switch coupled between the first and th... | 01/09/2007 |
| 7107467 | Semiconductor memory device having a circuit for removing noise from a power line of the memory device using a plurality of decoupling capactors The power noise removing circuit includes a decoupling capacitor group, a repair circuit unit, a monitoring pad, and a testing unit. The decoupling capacitor group includes a plurality of decoupling capacitors that store noise flowing into an internal power line. Th... | 09/12/2006 |
| 7096104 | Control unit for a load Control unit for a load, in particular for a sliding sunroof control of a vehicle, having a microprocessor and having an integrated voltage regulator for generating the supply voltage of the microprocessor from the battery voltage of an on-board battery, in which ca... | 08/22/2006 |
| 7078959 | Multiple circuit blocks with interblock control and power conservation A semiconductor integrated circuit is provided including a plurality of circuit blocks and adapted to cut off the supply of power source voltage to any one of the circuit blocks. The integrated circuit includes an interblock interface circuit provided on a signal pa... | 07/18/2006 |
| 7036033 | Disk enclosure with multiplexers for connecting 12C buses in multiple power domains A disk enclosure includes a first plurality of I2C elements powered by a first power domain and a second plurality of I2C devices powered by a second power domain. The first plurality of I2C elements are coupled via a first I2C bus and the second plurality of I2C el... | 04/25/2006 |
| 6853239 | Multiple circuit blocks with interblock control and power conservation A semiconductor integrated circuit is provided including a plurality of circuit blocks and adapted to cut off the supply of power source voltage to any one of the circuit blocks. The integrated circuit includes an interblock interface circuit provided on a signal pa... | 02/08/2005 |
| 6639454 | Multiple circuit blocks with interblock control and power conservation A semiconductor integrated circuit is provided including a plurality of circuit blocks and adapted to cut off the supply of power source voltage to any one of the circuit blocks. The integrated circuit includes an interblock interface circuit provided on ... | 10/28/2003 |
| 6391667 | Power supply unit, semiconductor device testing apparatus and semiconductor device testing method A power supply unit which supplies voltage to electric components, includes: a DC power supply (40) which supplies DC voltage to the electric components; at least one capacitor (C1), provided between the DC power supply (40) and the electric components, w... | 05/21/2002 |
| 6335648 | Circuit using internal pull-up/pull-down resistor during reset When a semiconductor integrated circuit device is reset, an input and output node is to be pulled down or up for stability of the integrated circuit, wherein a series combination of a pull-down resistor/pull-up resistor and a switching transistor is integ... | 01/01/2002 |
| 5900770 | Variable loading apparatus for output loading of integrated circuits A computer circuit comprising a driver circuit and a variable loading circuit coupled to the driver circuit. The variable loading circuit is configured to provide a first capacitive load to the output driver while operating according to a first state, and... | 05/04/1999 |
| 5818251 | Apparatus and method for testing the connections between an integrated circuit and a printed circuit board Apparatus and method for testing the connection (i.e. solder joint) between an input/output (I/O) pin of an integrated circuit and a conductive trace of a printed circuit board (PCB). The internal circuitry of the integrated circuit is isolated from each ... | 10/06/1998 |
| 5770969 | Controllable decoupling capacitor A decoupling capacitor and protection circuit is provided that will assist the power supply network in stabilizing the voltage near circuits that demand short rapid transitions in electrical current. The protection circuit also significantly reduces the a... | 06/23/1998 |
| 5754069 | Mechanism for automatically enabling and disabling clock signals A mechanism for automatically enabling and disabling clock signals includes a driver for providing a clock signal as an output, a gate coupled to the driver, and a sensing circuit coupled to both the output of the driver and to the gate. The sensing circu... | 05/19/1998 |
| 5621344 | Circuit arrangement for coupling a first electric signal into a second electric signal In a circuit arrangement for coupling a first signal into a second electric signal formed as an alternating signal, a device is provided for compensating for effects of the coupling on the signal pattern of the second signal, particularly on the "pulse ti... | 04/15/1997 |
| 5416364 | Direct current to direct current galvanic isolator A signal isolation apparatus has a first transformer with a primary winding tap receiving an input signal and another primary winding tap receiving a first oscillating signal. A second transformer has a primary winding tap receiving the input signal and a... | 05/16/1995 |
| 5391932 | Source power coupler A transistorized source power coupler for coupling a power source to a pair of transmission lines. DC power from the power source is conducted by the transistorized source power coupler to the transmission lines. Meanwhile, AC signals on the transmission ... | 02/21/1995 |
| 5389827 | Quick recovery AC coupling circuit A quick recovery AC coupling circuit has a coupling capacitor stage that generates an output DC-biased AC signal by capacitively coupling an input DC-biased AC signal generated by a source stage. The output DC-biased AC signal is biased by a biasing stage... | 02/14/1995 |
| 5063309 | High frequency continuous time filter A high-frequency integrated circuit continuous time low pass filter. An on-chip oscillator is built into the filter. The filter frequency accuracy is established by trimming the frequency of the on-chip oscillator during wafer probe. The oscillator is off... | 11/05/1991 |
| 5029280 | ECL circuit for resistance and temperature bus drop compensation A voltage is provided by a master circuit and received by a plurality of slave circuits over a bus. The master circuit includes a Vbb reference circuit, a temperature compensation and Vcse reference circuit, and a voltage step-up and... | 07/02/1991 |
| 5012132 | Dual mode high voltage coupler A dual mode high voltage coupler is described for enabling a low current capacity high voltage generator to supply high voltage to an output load, such as a row or word line in an EEPROM memory device during a nonvolatile write or erase operation. The cou... | 04/30/1991 |
| 4983865 | High speed switch matrix A switch matrix for particular use in microwave monolithic integrated circuits has FET-based switch elements with at least a combined total of two gates. Embodiments include the use of single and dual gate FETs. A preferred embodiment includes cascode-cou... | 01/08/1991 |
| 4950929 | Reducing resistive effects of an electrical switch An electrical switch network having a substantially reduced effective ON-resistance is provided. The electrical switch network includes an input amplifier receiving the input signal at one input, and a first switch having a first terminal connected to the... | 08/21/1990 |
| 4825102 | MOS FET drive circuit providing protection against transient voltage breakdown A drive circuit suitable for producing a high voltage drive output signal has an output stage formed of a P-channel MOS FET (4) and an N-channel MOS FET (5) connected for push-pull operation. The circuit is configured such that even with a supply voltage ... | 04/25/1989 |
| 4786831 | Integrating capacitively coupled transimpedance amplifier An amplifier circuit 12 for an infrared detector 10 in a detector array formed on a large-scale integrated structure. The amplifier circuit is fabricated along with the detector on the structure and includes an amplifier stage capacitively coupled 14 to t... | 11/22/1988 |
| 4780624 | BiMOS biasing circuit The circuit comprises a first and a second transistor provided with the sources coupled to one end of a supply voltage and the gates coupled to one another, and a third and fourth transistor provided with the sources coupled to the other end of the supply... | 10/25/1988 |
| 4743783 | Pulse width modulator circuit for switching regulators A circuit for pulse width modulating the output of a voltage controlled oscillator without introducing any ocillator frequency or amplitude (slope) modulation. A summing circuit is combined with a comparator and provided with inputs that accommodate diffe... | 05/10/1988 |
| 4731585 | Antenna coupling circuit for magnetic resonance imaging A coupling circuit for coupling an inductive coil antenna of a magnetic resonance imaging system to receiver circuitry is provided which includes capacitive circuitry, resistive circuitry, and capacitive transformer circuitry. The capacitive circuitry is ... | 03/15/1988 |
| 4709163 | Current-discrimination arrangement A current-discrimination arrangement, in particular for use in stabilizing circuits, comprises two cross-coupled transistors. The current to be discriminated is applied in parallel to both transistors. For small currents both transistors conduct to the sa... | 11/24/1987 |
| 4639617 | Variable-bias circuit with HF transmission path On an output terminal (12) of a variable-bias circuit with an HF transmission path a bias voltage (Vo) is produced which is variable in response to variations of a d.c. control voltage (Vc) applied to a control terminal (13). The circuit transmits an HF s... | 01/27/1987 |
| 4629910 | High input impedance circuit An integrated circuit amplifier for a high impedance microphone (100) of the capacitance type is disclosed. The subject amplifier circuit permits the further miniaturization of an electret microphone as it is capable of providing an input impedance simula... | 12/16/1986 |
| 4536666 | Trigger coupling circuit for providing a plurality of coupling modes A programmable trigger coupling circuit and trigger circuit for selecting DC and AC coupling modes in addition to a few other coupling modes without using a DC blocking capacitor in series with the signal path. A short high frequency signal path, low pass... | 08/20/1985 |
| 4511813 | Dual-gate MESFET combiner/divider for use in adaptive system applications A dual-gate MESFET forms the basic building block for a variety of signal coupling applications for use in adaptive microwave communication systems. By controlled biasing of its electrodes, a dual-gate MESFET may be operated as an active signal combiner/d... | 04/16/1985 |
| 4489245 | D.C. Voltage bias circuit in an integrated circuit In an integrated circuit having an amplifier with its input terminal connected to a signal input terminal, a D.C. voltage bias circuit is provided which includes a D.C. bias voltage generator and a depletion mode MOS transistor connected at its source-dra... | 12/18/1984 |
| 4481429 | Bias supply for A.C. line powered apparatus Direct current isolation and A.C. power line voltage reduction are provided in a first D.C. power supply by means of transformer coupling and in a second D.C. power supply by means of capacitor coupling which, additionally, provides suppression of differe... | 11/06/1984 |
| 4477736 | Semiconductor integrated circuit device including means for reducing the amount of potential variation on a reference voltage line In an MOS memory, a reference voltage is generated to determine an input threshold voltage of the input circuit. Noise fed from various signal wirings to the reference voltage wiring via stray capacitances is reduced by a decoupling capacitance formed bet... | 10/16/1984 |
