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| Number | Title | Issue Date |
| 7605495 | Dual supply circuit A circuit intended to provide two D.C. voltages of inverted polarities based on an A.C. voltage, comprising: two capacitors having their respective electrodes connected to two terminals intended to receive said A.C. voltage and having their second respective electro... | 10/20/2009 |
| 7038523 | Voltage trimming circuit Methods and circuits for minimizing or eliminating the effect of trimming circuits in a voltage generating circuit are provided. In general, the effects of channel resistance of switches of the trimming circuit are reduced by utilizing switches in series with the ou... | 05/02/2006 |
| 6455952 | Adjustment circuit for voltage division An adjustable circuit for voltage division comprises a serial resistor Rn (n=1, 2 . . . n) symmetrically mapped, connected in series, and paired in parallel with a switch Sn or Sn ' apiece, wherein the switches Sn | 09/24/2002 |
| 6353296 | Electronic driver circuit with multiplexer for alternatively driving a load or a bus line, and method An electronic system (101/102) for use in a car has an electronic control unit (10) and, in the alternative, either a passive load (11) or an active logic (12) attached thereto. The control unit (10) comprises a push-pull arrangement (20) which can provid... | 03/05/2002 |
| 6313547 | Apparatus for quality control verification of an electrochemistry test The present invention relates to a dry control cartridge for providing a plurality of voltage and impedance inputs to an electrochemical analysis instrument for verification of its proper functioning. The dry control cartridge includes a battery and a plu... | 11/06/2001 |
| 6262653 | Light flashing apparatus The light flashing apparatus of the present invention is a four-button control switch in conjunction with an electronic circuit which is installed within an existing light switch junction box and replaces conventional switches. In addition to the two conv... | 07/17/2001 |
| 5867057 | Apparatus and method for generating bias voltages for liquid crystal display An apparatus and method for generating bias voltages for an LCD driver. A voltage divider including serially connected resistors of a first resistance is arranged to form a DC current path having nodes. The voltage of each node serves as a bias voltage to... | 02/02/1999 |
| 5448492 | Monitoring the characteristics of a load driver controlled by a microcontroller Loads, such as power relays controlling wipers, windows and lights are connected to an automobile battery through individual transistor drives that are controlled by a microcontroller. A switch, connected to the microcontroller, is operated to activate ea... | 09/05/1995 |
| 4879679 | Dynamic random access memory having storage gate electrode grounding means A dynamic RAM provided on a semiconductor substrate comprises: a memory cell including a capacitor for storing electric charges as information, the capacitor having a storage gate electrode to which a potential other than a ground potential is applied dur... | 11/07/1989 |
| 4554412 | Resistive line circuit Resistive battery feed circuits are normally not used because of lack of power supply noise rejection and attendant crosstalk coupling. In this circuit the opamp and surrounding circuitry insure that power supply and ground noise do not couple into the ti... | 11/19/1985 |
| 4405894 | Voltage control and balancing circuit A circuit is described for controlling voltage input to a pair of resistances. A main transformer and variable auto transformer are wired in cascade between the voltage supply and the resistances. The resistances are wired in series to the output of the v... | 09/20/1983 |
| 4392084 | Sustainer circuit for plasma display panels Circuitry for selectively sustaining a gaseous discharge display panel to splay selected information which circuitry permits the use of a single power supply.... | 07/05/1983 |
| 4229668 | Transistor circuit having a plurality of CMOS circuits A transistor circuit having a plurality of CMOS circuits in which the power circuits of said CMOS circuits constitute a series circuit in which the power source circuits are in series connected to each other and the opposite ends of said series circuit is... | 10/21/1980 |
| 4152716 | Voltage dividing circuit in IC structure A voltage dividing circuit comprises a plurality of series-connected insulated-gate FETs, each having its gate and drain short-circuited with each other and its source and substrate short-circuited with each other. A substrate in which one FET is formed i... | 05/01/1979 |
| 4063147 | Stabilized power supply circuit A stabilized power supply circuit has a stabilized or regulator circuit connected between an input terminal and a first output terminal and a constant voltage element for example, a Zener diode, whose one electrode is connected to the input terminal and w... | 12/13/1977 |
