| Patents for H03K 4 - Generating pulses having essentially a finite slope or stepped portions (2,412) |
|---|
| 05/23/2006 | US7049862 Semiconductor device |
| 05/16/2006 | US7046053 Total harmonic distortion standard |
| 05/04/2006 | US20060091874 Sawtooth wave generating apparatus, a method of generating sawtooth wave, a constant current circuit, and a method of adjusting amount of current from the same |
| 05/03/2006 | CN2777844Y High voltage pulse generator |
| 05/03/2006 | CN1767384A Arbitrary waveform composite signal generator and signal generating method |
| 05/02/2006 | US7038394 Ramp voltage generating apparatus and active matrix drive-type display apparatus |
| 04/25/2006 | US7034625 Method and apparatus to improve frequency stability of an integrated circuit oscillator |
| 04/18/2006 | US7030594 Pulse width modulator and loading system thereof |
| 04/11/2006 | US7026972 A/D converter |
| 04/05/2006 | CN1249551C Clock generation device |
| 03/30/2006 | US20060066363 Driver circuit with gradual voltage ramp up and ramp down |
| 03/28/2006 | US7019418 Power control circuit with reduced power consumption |
| 03/22/2006 | CN1751463A Reactance adjustment device, transceiver and transmission device using the same, signal processing circuit suitable for them, reactance adjustment method, transmission method, and reception method |
| 03/09/2006 | US20060052074 Reactance adjustment device, transceiver and transmission device using the same, signal processing circuit suitable for them, reactance adjustment method, transmission method, and reception method |
| 03/08/2006 | EP1632023A1 Low distortsion class-d amplifier using carrier reference signal symmetry modulation |
| 03/08/2006 | CN1245013C Deflecting circuit having controllable saw tooth wave generator |
| 02/28/2006 | US7005901 Process, temperature and supply insensitive trapezoidal pulse generator |
| 02/23/2006 | US20060038625 Oscillator circuit for EEPROM high voltage generator |
| 02/21/2006 | US7002385 Circuit arrangement and method for producing a pulse width modulated signal |
| 02/21/2006 | US7002381 Switched-capacitor controller to control the rise times of on-chip generated high voltages |
| 02/16/2006 | WO2006015884A1 Method for operating an electronic valve |
| 02/15/2006 | CN1736028A Method and system for synchronizing phase of triangular signal |
| 02/07/2006 | US6995583 Structure and method for dynamic control of output driver voltage |
| 01/31/2006 | US6992511 Output buffer circuit |
| 01/26/2006 | US20060017474 Transmitter for a controlled-shape switched signal on a communication line |
| 01/24/2006 | US6989694 Voltage ramp generator and current ramp generator including such a generator |
| 01/05/2006 | US20060001461 Triangular wave generating circuit adapted to class-D amplifier |
| 01/04/2006 | CN1717867A An integrated circuit signal generator for generating an analogue output signal |
| 01/04/2006 | CN1716770A Ramp waveform generation circuit, analog/digital conversion circuit, imaging device and control method of imaging device |
| 01/04/2006 | CN1235340C Waveform generator, display device and electronic equipment |
| 12/21/2005 | CN1711685A A sawtooth wave generating apparatus, a method of generating sawtooth wave, a constant current circuit, and a method of adjusting amount of current from the same |
| 12/14/2005 | CN1232031C High-precision optional waveform generator based on FPGA |
| 12/01/2005 | WO2005114831A1 Current-controlled quadrature oscillator using differential gm/c cells incorporating amplitude limiters |
| 11/30/2005 | CN1703779A Semiconductor integrated circuit |
| 11/24/2005 | US20050259041 Plasma display apparatus and driving method thereof |
| 11/23/2005 | EP1598800A2 Plasma display apparatus and driving method thereof |
| 11/17/2005 | US20050253659 Current-controlled quadrature oscillator using differential gm/C cells incorporating amplitude limiters |
| 11/16/2005 | CN1697313A Drive circuit able to gradually increase and reduce voltage |
| 11/15/2005 | US6965265 Driving apparatus in a liquid crystal display |
| 11/10/2005 | US20050248378 Method of generating a pulsed output signal from a periodic ramp signal and a reference voltage, and a switch mode power converter |
| 11/03/2005 | US20050243945 Method for generating a signal with a definable pulse shape |
| 11/03/2005 | DE102004018986B3 Verfahren zur Erzeugung eines Signals mit einem vorgebbaren Pulsdach A method for generating a signal with a predeterminable pulse roof |
| 11/02/2005 | EP1319269B1 Electric circuit for generating a periodic signal |
| 10/27/2005 | US20050237118 Precision relaxation oscillator without comparator delay errors |
| 10/27/2005 | US20050237107 Tunable Sallen-Key filter stage and filter assembly |
| 10/27/2005 | DE102004016073A1 Verfahren zur Erzeugung eines Impulsausgangssignals aus einem periodischen Sägezahnsignal und einer Referenzspannung, und getakteter Stromwandler A method for generating a pulse output signal from a periodic sawtooth signal and a reference voltage, and a clocked current transformer |
| 10/26/2005 | EP1589659A1 Method for generating a pulse signal with a predetermined shape |
| 10/19/2005 | EP1587226A1 Reactance adjustment device, transceiver and transmission device using the same, signal processing circuit suitable for them, reactance adjustment method, transmission method, and reception method |
| 10/18/2005 | US6956413 Ramp generator for image sensor ADC |
| 10/13/2005 | DE102004013561A1 Verfahren und Schaltvorrichtung zum Betreiben einer Zündspule eines Kraftfahrzeugs Method and switching arrangement for operating an ignition coil of a motor vehicle |
| 10/11/2005 | US6954112 Method of forming a variable frequency oscillator and structure therefor |
| 10/06/2005 | US20050218975 Driving apparatus in a liquid crystal display |
| 10/06/2005 | DE102004013599A1 Ansteuerschaltung zum Ansteuern einer leistungselektronischen Schaltung sowie Verfahren hierzu Drive circuit for driving a power electronic circuit and method therefor |
| 10/05/2005 | EP1583234A2 Tunable sallen-key filter stage and filter assembly |
| 10/05/2005 | CN1679235A Oscillator circuit having reduced layout area and lower power supply transients |
| 10/05/2005 | CN1677472A Driving apparatus in a liquid crystal display |
| 09/29/2005 | WO2005091502A1 Control circuitry for controlling a power electronic circuit and method therefor |
| 09/29/2005 | DE4219790B4 Baustein zur Impulsformung Module for pulse shaping |
| 09/22/2005 | US20050206414 Controlled slope voltage ramp generator |
| 09/21/2005 | EP1577545A1 Method and switching device for operating an ignition coil of an internal combustion vehicle |
| 09/21/2005 | EP1576732A2 A sawtooth wave generating apparatus, a method of generating sawtooth wave, a constant current circuit, and a method of adjusting amount of current from the same |
| 09/15/2005 | US20050200400 Semiconductor integrated circuit with reduced current consumption |
| 09/13/2005 | US6943634 Oscillation detection circuit |
| 09/07/2005 | CN2724294Y Oscillation circuit |
| 09/06/2005 | US6940319 Device for controlling high and low levels of a voltage-controlled power switch |
| 09/01/2005 | US20050190096 A/D converter |
| 09/01/2005 | US20050189969 Total harmonic distortion standard |
| 08/31/2005 | EP1569340A1 Pulse shaper |
| 08/16/2005 | US6930520 High bandwidth feed-forward oscillator |
| 08/09/2005 | US6927610 Driver circuit having a slew rate control system with improved linear ramp generator including ground |
| 08/04/2005 | US20050168251 Ramp signal generation circuit |
| 08/04/2005 | US20050168177 Segmented sawtooth generator |
| 07/28/2005 | US20050162215 Temperature sensing variable frequency generator |
| 07/28/2005 | US20050162198 Operational amplifier including low DC gain wideband feed forward circuit and high DC gain narrowband gain circuit |
| 07/13/2005 | CN1210867C Electric circuit for generating periodic signal |
| 07/12/2005 | US6917225 Driver circuit for driving a switching transistor |
| 07/05/2005 | US6914471 Method and apparatus for controlling a dual-slope integrator circuit to eliminate settling time effect |
| 06/30/2005 | WO2005060131A1 Reactance adjustment device, transceiver and transmission device using the same, signal processing circuit suitable for them, reactance adjustment method, transmission method, and reception method |
| 06/29/2005 | CN1208944C Vertical obllique wave generating circuit |
| 06/23/2005 | US20050134315 Output circuit |
| 06/23/2005 | US20050134200 Load control circuit |
| 06/21/2005 | US6909335 Oscillator for DC—DC converter |
| 06/21/2005 | CA2131567C Spread spectrum clock generator and associated method |
| 06/16/2005 | DE102004045513A1 Oszillatorschaltung und diese enthaltende integrierte Schaltung Oscillator circuit and this integrated circuit containing |
| 06/14/2005 | US6906563 Generating a waveform having one signal level periodically and different signal levels in other durations |
| 06/02/2005 | DE102004050464A1 Semiconductor output circuit for use with motor vehicle electric equipment, has NMOS which discharges electric charge of gate of source follower at lower rate than another NMOS when output voltage is lower than power supply voltage |
| 06/01/2005 | EP1319270B1 A high-efficiency driver circuit for capacitive loads |
| 05/31/2005 | US6900672 Driver circuit having a slew rate control system with improved linear ramp generator including ground |
| 05/26/2005 | US20050110473 Switching signal modulation circuit |
| 05/25/2005 | EP1533902A1 Integrated circuit oscillator with improved frequency stability |
| 05/24/2005 | US6898131 Voltage and temperature compensated pulse generator |
| 05/19/2005 | US20050104672 Method and apparatus to improve frequency stability of an integrated circuit oscillator |
| 05/19/2005 | US20050104650 Method for switching driving of a semiconductor switching element |
| 05/19/2005 | US20050104570 [pulse width modulator and loading system thereof] |
| 05/10/2005 | US6890046 Driving waveform generator and method of generating driving waveform |
| 05/05/2005 | US20050093589 Circuit arrangement for the provision of an output signal with adjustable flank pitch |
| 04/27/2005 | CN1610259A 输出电路 Output circuit |
| 04/26/2005 | US6885331 Ramp generation with capacitors |
| 04/26/2005 | US6885329 Signal generation using DAC having selectively switched registers storing output values |
| 04/13/2005 | CN1606237A Switch drive method of semiconductor switch module |