| Patents for H03K 4 - Generating pulses having essentially a finite slope or stepped portions (2,412) |
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| 12/03/2008 | EP1998449A1 Voltage controlled oscillator circuit |
| 12/03/2008 | CN101316114A Spread-spectrum modulation circuit, variable frequency triangular-wave generator and signal processing method |
| 12/02/2008 | US7459954 Control circuit for controlling an electronic circuit and method for this |
| 11/27/2008 | WO2008076773A3 Amplitude controlled sawtooth generator |
| 11/26/2008 | CN101313467A Voltage controlled oscillator circuit |
| 11/18/2008 | US7453104 Operational amplifier including low DC gain wideband feed forward circuit and high DC gain narrowband gain circuit |
| 11/12/2008 | EP1990916A2 Frequency modulator. |
| 11/12/2008 | CN100433554C Switch drive method of semiconductor switch module |
| 11/12/2008 | CN100433553C Method of forming a variable frequency oscillator and structure therefor |
| 11/06/2008 | DE10010153B4 Switched-Capacitor-Referenzstromquelle Switched capacitor reference current source |
| 10/30/2008 | WO2008008382A3 Devices and methods for redistributing magnetic flux density |
| 10/30/2008 | US20080265954 Reduced Transition Time Ramp Waveform Generator |
| 10/23/2008 | WO2008125403A1 Device for modulating signals by pulse width with three levels and digital amplifier implementing such a device |
| 10/08/2008 | CN100424996C Ramp voltage generating apparatus and active matrix drive-type display apparatus |
| 10/07/2008 | US7433422 Method for generating a signal with a definable pulse shape |
| 09/25/2008 | US20080231330 Ramp generator and circuit pattern inspection apparatus using the same ramp generator |
| 09/18/2008 | US20080224741 Waveform generating circuit and spread spectrum clock generator |
| 09/17/2008 | EP1423909A4 Combined motor drive and current sensing circuit |
| 09/11/2008 | US20080218283 Triangular wave generating circuit, and charging and discharging control circuit |
| 09/10/2008 | EP1966889A1 Electronic circuit with low noise delay circuit |
| 09/04/2008 | US20080211550 Noise reduced PWM driver |
| 09/03/2008 | CN101257292A Sawtooth oscillator having controlled endpoints and method thereof |
| 09/03/2008 | CN101257291A Trapezoid exciting pulse generating method and device |
| 08/27/2008 | CN101252350A 三角波生成电路 Triangular wave generating circuit |
| 08/06/2008 | CN101237236A A/D converter |
| 08/06/2008 | CN101237227A Analog continuous triangular signal generator based on built-in slice |
| 08/06/2008 | CN101237226A Oscillator |
| 08/06/2008 | CN101236444A Constant current source, slope voltage generating circuit and A/D converter |
| 07/31/2008 | WO2008092033A1 Method and apparatus for producing triangular waveform with low audio band noise content |
| 07/31/2008 | US20080180141 Method and apparatus for producing triangular waveform with low audio band noise content |
| 07/31/2008 | US20080180140 Method and system for synchronizing phase of triangular signal |
| 07/31/2008 | CA2675303A1 Method and apparatus for producing triangular waveform with low audio band noise content |
| 07/30/2008 | CN100407575C 带有用于改善线性和最大化频率的传播延迟补偿的张弛振荡器 Spread relaxation oscillator frequency for improved linearity and maximizing with delay compensation |
| 07/24/2008 | WO2008089269A2 Differential amplitude controlled sawtooth generator |
| 07/24/2008 | US20080174346 Differential amplitude controlled sawtooth generator |
| 07/22/2008 | US7403049 Triangular wave generation circuit |
| 07/03/2008 | US20080157831 Clock generation with reduced electromagnetic interference for DC-DC converters |
| 07/03/2008 | US20080157830 Triangle oscillator and pulse width modulator |
| 07/02/2008 | CN101212214A Triangle wave generating circuit and PWM modulation circuit |
| 06/26/2008 | WO2008076773A2 Amplitude controlled sawtooth generator |
| 06/24/2008 | US7391242 Sawtooth waveform generator |
| 06/19/2008 | US20080143394 Amplitude controlled sawtooth generator |
| 06/18/2008 | EP1932236A1 Switching regulator duty cycle control in a fixed frequency operation |
| 06/18/2008 | CN101204006A Wideband RF pseudo-sine signal generator |
| 06/11/2008 | EP1931029A2 Sawtooth oscillator having controlled endpoints and methodology therefor |
| 06/05/2008 | US20080129400 Sawtooth oscillator having controlled endpoints and methodology therefor |
| 05/29/2008 | DE102006055868A1 Electric Gaussian impulse signal generating device for use in e.g. mobile phone, has multiplier generating product signal that is proportional to product of adjacent signals at factor inputs and with median time period above threshold |
| 05/15/2008 | US20080111591 Ramp generation circuit and a/d converter |
| 05/14/2008 | CN101180797A Apparatus and method for generating monocycle pulse |
| 05/07/2008 | EP1632023A4 Low distortsion class-d amplifier using carrier reference signal symmetry modulation |
| 05/07/2008 | CN101174787A Triangular wave control frequency anti-overlapping device |
| 04/24/2008 | US20080094114 Controller including a sawtooth generator and method of operating the same |
| 04/22/2008 | US7362150 Method and system for synchronizing phase of triangular signal |
| 04/22/2008 | US7362149 Zero crossing detection and correction upon a distorted primary AC power line voltage |
| 04/09/2008 | CN101158877A A constant current circuit, and a method of adjusting amount of current from the same |
| 04/08/2008 | US7355461 Waveform generating circuit and spread spectrum clock generator |
| 04/01/2008 | US7352216 High speed ramp generator |
| 03/27/2008 | WO2008036542A1 Oscillator with power-saving bias circuit |
| 03/26/2008 | CN101150319A Frequency comparator, frequency synthesizer and its related method |
| 03/25/2008 | US7348812 Multiphased triangular wave oscillating circuit and switching regulator using it |
| 03/20/2008 | WO2008032782A1 Amplifying unit, method of output control and control program |
| 03/20/2008 | US20080068054 Switching regulator |
| 03/13/2008 | WO2008029509A1 Triangular waveform generating circuit, generating method, inverter using them, light emitting device and liquid crystal television |
| 03/12/2008 | EP1897215A1 Wideband rf pseudo-sine signal generator |
| 03/11/2008 | US7342524 Waveform generator, waveform shaper, and testing apparatus |
| 03/06/2008 | WO2008026314A1 Pulse generator, electronic device using the same, and pulse generating method |
| 03/06/2008 | US20080054997 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 |
| 03/04/2008 | US7339406 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 |
| 02/28/2008 | US20080048738 Voltage/current converter circuit and method for providing a ramp current |
| 02/26/2008 | US7336110 Differential amplitude controlled sawtooth generator |
| 02/26/2008 | US7336108 Semiconductor integrated circuit with stepped-up voltage pump circuit |
| 02/21/2008 | US20080042763 Method and apparatus to improve frequency stability of an integrated circuit oscillator |
| 02/13/2008 | EP0908012B1 Relaxation oscillator of reduced complexity using cmos equivalent of a four-layer diode |
| 02/12/2008 | US7330390 Noise resistant small signal sensing circuit for a memory device |
| 01/10/2008 | US20080007308 Circuit for discharging an electrical load, power output stage comprising such a discharge circuit for the control of plasma display cells, and related system and method |
| 01/09/2008 | CN101103528A Triangle wave generating circuit, inverter using same, light emitting apparatus, and liquid crystal television receiver |
| 01/03/2008 | US20080001586 Control Circuit for Controlling an Electronic Circuit and Method for This |
| 01/02/2008 | CN100359804C 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 |
| 12/26/2007 | CN200997587Y Electric pulse waveform generater |
| 12/18/2007 | US7310025 Oscillator circuit and integrated circuit incorporating the same |
| 12/13/2007 | WO2007142301A1 Oscillation circuit |
| 12/13/2007 | US20070285136 Load control device |
| 12/04/2007 | US7304547 Method and apparatus to improve frequency stability of an integrated circuit oscillator |
| 11/29/2007 | WO2007135491A1 Lin network, integrated circuit and method therefor |
| 11/28/2007 | CN101079616A Oscillator circuit generating oscillating signal having stable cycle |
| 11/28/2007 | CN101079549A Apparatus and method for producing signal conveying circuit status information |
| 11/28/2007 | CN101078940A Reference voltage generator, frequency generator and controller |
| 11/27/2007 | US7301393 Low distortion class-D amplifier using carrier reference signal symmetry modulation |
| 11/21/2007 | CN100350742C An integrated circuit signal generator for generating an analogue output signal |
| 11/15/2007 | WO2002091565A3 Signal amplifying method, signal amplifier and devices related therewith |
| 11/08/2007 | DE102004045513B4 Oszillatorschaltung und diese enthaltende integrierte Schaltung Oscillator circuit and this integrated circuit containing |
| 11/06/2007 | US7292014 Controller and loading system thereof |
| 10/24/2007 | EP1587226B1 Reactance adjustment device, transceiver and transmission device using the same, signal processing circuit suitable for them, reactance adjustment method, transmission method, and reception method |
| 10/16/2007 | US7282970 Device and method for generating one-shot bipolar waveform |
| 10/11/2007 | WO2007113376A1 Circuit and apparatus for reducing interference of digital signals |
| 10/10/2007 | CN101051830A Noise comparison circuit of electric grid synchronous single head |
| 10/04/2007 | US20070229126 Offset Adjustment Methods of Signal Converting Circuits |
| 10/03/2007 | CN101047371A Full digital sliding pulse signal generator |
| 09/27/2007 | WO2007108348A1 Voltage controlled oscillator circuit |
| 09/26/2007 | CN101042471A Triangular wave phase modulation method of resonant cavity optical fiber gyroscope and apparatus thereof |