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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7423471 | Backflow preventing circuit capable of preventing reverse current efficiently This patent specification describes a backflow prevention circuit which includes a first switch configured to conduct or to shut down a current path from an input terminal to an output terminal, a logic circuit configured to binarize an input voltage at the input te... | 09/09/2008 |
| 7236894 | Circuits, systems and methods for dynamic reference voltage calibration A circuit, system and method adjusts a reference voltage, such as an internal or external reference voltage VREF, in response to a first voltage at a first contact, such as a pin on a memory controller used for reading or writing data, and a second voltag... | 06/26/2007 |
| 7162376 | Circuits, systems and methods for dynamic reference voltage calibration A system comprises a master device and a plurality of memory devices coupled to the master device by an interconnect in an embodiment. The master device obtains a plurality of values representing reference voltage values and selects a first value in the plurality of... | 01/09/2007 |
| 7132873 | Method and apparatus for avoiding gated diode breakdown in transistor circuits An N-channel transistor protection circuit and method are disclosed that prevent gated diode breakdown in N-channel transistors that have a high voltage on their drain. The disclosed N-channel protection circuit may be switched in a high voltage mode between a high ... | 11/07/2006 |
| 7119586 | Circuit arrangement for control of a semiconductor circuit A circuit arrangement for control of a regulated path and a semiconductor circuit (1) comprises a control connection, with an input, to which a switching signal (3) for control of the semiconductor circuit (1) is applied, an output, to which the... | 10/10/2006 |
| 6985008 | Apparatus and method for precisely controlling termination impedance An impedance controller that controls termination impedance of at least one output based on a reference value including a programmable reference impedance generator, at least one termination logic element, and an impedance matching controller. The programmable refer... | 01/10/2006 |
| 6939736 | Ideal operational amplifier layout techniques for reducing package stress and configurations therefor A method of reducing package stress includes placing matched components of an op-amp substantially in a region of a die having the least stress gradients. The region is located in the center of the die. Further, the center is the common centroid of the die. The matc... | 09/06/2005 |
| 6844768 | Dynamic method for limiting the reverse base-emitter voltage In a circuit having two input stages multiplexed to a common output stage having an output, one of the two input stages including transistor having a base, a collector and an emitter; a method of protecting the transistor from μ-degradation when the one of the two ... | 01/18/2005 |
| 6731150 | Amplifiers with variable swing control An amplifying circuit includes an amplifying stage for receiving input signals to generate output signals. A swing detect unit detects signal levels of the output signals. A clamp unit variably limits signal levels of the input signals based on the signal levels of ... | 05/04/2004 |
| 6570402 | Impedance control circuit An impedance control circuit designed to match the impedance between a semiconductor device and a transmission medium (PCB) by using a current source installed in the semiconductor device instead of using an external resistor is provided. Since the impeda... | 05/27/2003 |
| 6509777 | Method and apparatus for reducing DC offset Various circuits and methods provide for dc offset reduction that is effective under varying circuit and signal conditions. The offset signal is first sampled and stored, and then subtracted from the signal path via a programmable transconductance amplifi... | 01/21/2003 |
| 6486698 | LSI device capable of adjusting the output impedance to match the characteristic impedance According to an aspect of the present invention there is provided an LSI device having an output terminal outputting a data, comprising a data output circuit connected to the output terminal and capable of adjusting an output impedance thereof; and an adj... | 11/26/2002 |
| 6476668 | Fast-setting, low power, jammer insensitive, biasing apparatus and method for single-ended circuits A single-ended circuit, such as an LNA (300), in accordance with the present invention includes an input power matching circuit (310) and a bias circuit (305) connected to an output transistor (Qin) which provides the amplification. A degenerat... | 11/05/2002 |
| 6388516 | Precision high speed magnetic coil driver circuit Accuracy of correction of offset drift with temperature and noise are corrected in a high voltage, high current amplifier is improved by thermal isolation and/or temperature regulation of another amplifier having greater gain and connected to a different ... | 05/14/2002 |
| 6362666 | Precision and fast recovery buffer An embodiment of the invention is directed to a buffer circuit having a closed loop negative feedback amplifier that is coupled to continuously drive a node to a predetermined set voltage. A precharge circuit is coupled to selectively drive the node at a ... | 03/26/2002 |
| 6188264 | Automatic threshold level control circuit An automatic threshold level control circuit is provided which is capable of controlling the threshold level without causing the DUTY deterioration. The automatic threshold level control circuit comprises a timing detecting circuit 110a, used for preserving th... | 02/13/2001 |
| 6144249 | Clock-referenced switching bias current generator A clock-referenced switching bias current source is disclosed wherein an accurate bias current is established based on the charge dissipated by a switching capacitor over a predetermined period. The time period is established by a very accurate system clo... | 11/07/2000 |
| 6087847 | Impedance control circuit Briefly, in accordance with one embodiment of the invention an integrated circuit includes: a digital feedback control circuit to adjust the impedance of an interface circuit output buffer based, at least in part, on having adjusted the impedance of a non... | 07/11/2000 |
| 5917346 | Low power current to frequency converter circuit for use in implantable sensors A low power current-to-frequency converter circuit provides an output frequency signal FOUT having a frequency that varies as a function of a low level analog input current signal. The analog input current signal is typically generated by an im... | 06/29/1999 |
| 5812007 | System for transmitting binary signals over a signal line The invention relates to a system for transmitting binary signals over a signal line to a signal detecting device, in which a DC source is temporarily connectable to the signal line for generating binary signals. A discharge circuit is connected to the si... | 09/22/1998 |
| 5793240 | Method and circuit for thermal asperity compensation in a data channel A circuit suppresses an additive transient disturbance in an input signal. A main signal path transmits the input signal, and a switchable signal path is switchable into the main signal path during a portion of the disturbance. A positive envelope detecto... | 08/11/1998 |
| 5721508 | 5 Volt tolerant 3.3 volt output buffer Circuit for preventing the improper functioning of a CMOS output buffer that may occur due to the fact that since the output buffer P-channel may be coupled between a supply voltage and an output pad. If the pad is driven higher than the supply voltage by... | 02/24/1998 |
| 5602495 | Apparatus for providing an output voltage with substantially identical rising and falling characteristics An inverter receives an energizing voltage with a particular magnitude (e.g. 1.5 V) at a first terminal and produces the voltage at a second terminal. The received and produced voltages are differentially introduced to a stage which produces a single-ende... | 02/11/1997 |
| 5594688 | Nonvolatile semiconductor memory device and method of producing the same A nonvolatile semiconductor memory device has a semiconductor substrate of a first conductivity type, at least a pair of element isolation insulating films and a pair of spaced source/drawn regions of a second conductivity type different from the first co... | 01/14/1997 |
| 5525928 | Filter boost preattenuator A filter boost preattenuator provides controlled, rapid variable signal preattenuation at the input of a filter to optimally compensate for the absolute gain increase of the filter caused by increasing the high frequency boost level of the filter. The amp... | 06/11/1996 |
| 5502416 | Adjustable reset threshold for an integrated regulator According to the present invention, an integrated regulator having an adjustable reset threshold is disclosed. The integrated regulator has the following elements contained within an integrated circuit device: a transistor, a voltage reference block, an i... | 03/26/1996 |
| 5486778 | Input buffer for translating TTL levels to CMOS levels An inverter receives an energizing voltage with a particular magnitude (e.g. 1.5 V) at a first terminal and produces the voltage at a second terminal. The received and produced voltages are differentially introduced to a stage which produces a single-ende... | 01/23/1996 |
| 5463579 | Semiconductor memory device with floating gate and method for driving the same A virtual ground array semiconductor memory device includes a matrix of memory cells, which performs writing and erasing operations utilizing FN current, reduces the electric power consumption and the deterioration of a tunnel insulating film. Each memory... | 10/31/1995 |
| 5459426 | Output level control circuit for setting transmission output to desired level The present invention provides an output level control circuit for a transmitter of an automobile telephone system which can output a transmission output signal of an output level indicated by a level setting signal with a high degree of accuracy. First a... | 10/17/1995 |
| 5280200 | Pipelined buffer for analog signal and power supply The analog dynamic superbuffer comprises the level shift stage, voltage clamping stage and the dynamic buffer stage. The clamping circuit enables the output buffer having the dynamic driving capability to drive a very large output load with very little st... | 01/18/1994 |
| 5164620 | Autonomous gain normalization circuit An autonomous gain normalization circuit has a fixed capacitor for receiving a current signal such as that output by an infrared detector element and a plurality of switchable capacitors connectable in parallel with the fixed capacitor. The first switchab... | 11/17/1992 |
| 5021747 | Symmetrical variable impedance apparatus employing MOS transistors A variable impedance element which is utilized to shunt a signal and control the amplitude of the signal utilizes a P-MOS and an N-MOS transistor operated in parallel. Separate control voltages are applied to each device in a direction to lower the impeda... | 06/04/1991 |
| 4933578 | Voltage follower circuit A voltage follower circuit is comprised of a plurality of transistors. A first transistor has a base connected to an input terminal and a collector connected to a positive power source terminal. A second transistor of opposite polarity relative to the fir... | 06/12/1990 |
| 4888810 | Analog volume control circuit A volume control circuit for hearing aids is adjustable to vary a control signal supplied to an amplifier between a microphone and receiver of a hearing air. The volume control circuit includes a positive voltage source, a charge holding circuit, and a sw... | 12/19/1989 |
| 4803659 | EPROM latch circuit A latch circuit provides for a reading of a state of an EPROM cell and retains that state after the reading sequence is completed. The memory state of the EPROM is inputted to a NOR gate during a power on reset condition. The output of the NOR gate is fed... | 02/07/1989 |
| 4658211 | Circuit for regulating the torque of ratio meters In order to maintain the torque of the ratio meter and the drive of amplifiers feeding it independently of the amplitudes of a sine signal voltage and a cosine signal voltage, a regulation is provided. The regulation makes use of two-quadrant voltage-cont... | 04/14/1987 |
| 4636053 | Distance detecting device A distance detecting device comprising radiation projecting means for projecting a radiation beam; radiation sensing means which is disposed away from the radiation projecting means with a given length and is arranged to receive a reflected radiation beam... | 01/13/1987 |
| 4430618 | Input buffer circuit In an input buffer circuit arrangement, a comparator compares a filtered input signal applied to one input with each of a first and a second reference value preset at the other input by a first setting circuit to produce a comparison output signal. Accord... | 02/07/1984 |
| 4425548 | Digital signal processing circuit A digital data signal is distorted by means of a low or high pass filter. Quantization of such a signal in accordance with extracted clock pulses will result in a high error rate if a fixed quantization level is utilized due to attenuated voltage swings a... | 01/10/1984 |
| 4384257 | Storage stabilized integrator An electronic integrator which is insensitive to drift because a storage and forcing circuit maintains the output voltage of the integrator at a constant level.... | 05/17/1983 |
