Patents
Sitemap › H03 - Basic electronic circuitry › H03K - Pulse technique › H03K 4 - Generating pulses having essentially a finite slope or stepped portions
Patents for H03K 4 - Generating pulses having essentially a finite slope or stepped portions (2,412)
05/2011
05/04/2011CN101394165B Differentiation hysteresis comparator and application thereof
04/2011
04/27/2011EP2313975A2 Signal generation method and apparatus and test method and system using the same
04/14/2011US20110084739 Methods and Devices for Generating Trapezoidal Fire Pulses
04/07/2011WO2011040721A2 Two-wheel type throwing robot
04/06/2011CN102006036A Generation method of spread spectrum clock dither signal
04/06/2011CN102006021A Frequency-conversion D class amplifier and control method, sawtooth wave generator used for frequency-conversion D class amplifier and method
04/05/2011US7919998 Precision triangle waveform generator
03/2011
03/30/2011CN101996008A Control circuit and control method of capacitive touch pad as well as application thereof
03/10/2011WO2011029038A1 Driving a mixer with a differential lo signal having at least three signal levels
03/09/2011EP2293423A1 Power supply and DC-DC conversion
03/09/2011CN101984558A High-performance saw-tooth wave generating circuit controlled by digital circuit and method thereof
02/2011
02/17/2011WO2011017802A1 High voltage square wave and spwm wave generator
02/16/2011CN101977041A Sawtooth wave generating circuit with self-adjusting amplitude, period and duty ratio
02/10/2011WO2011016657A2 Lamp signal generator using a lamp signal correcting function, and image sensor comprising same
01/2011
01/19/2011CN101953073A Ramp wave output circuit, analog/digital conversion circuit, and camera
01/13/2011US20110006817 Triangular wave generator, sscg utilizing the triangular wave generator, and related method thereof
01/05/2011CN101557210B Sawtooth waves and clock signals generating circuit
01/05/2011CN101478259B Square wave CROWBAR pulse current system
12/2010
12/30/2010US20100327920 Mixing Waveforms
12/30/2010DE102007045384B4 Digitaler Spannungsrampengenerator Digital voltage ramp generator
12/29/2010CN101354584B Multichannel analog signal generator
12/23/2010DE102004016073B4 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
12/22/2010CN101926230A Electronic ballast and method for controlling at least one light source
12/22/2010CN101926092A Mixing waveforms
12/22/2010CN101388234B Multimedia playing system with lighting display device
12/15/2010CN101404487B Triangular wave generation method and its circuit
12/08/2010CN101425795B Accurate saw-tooth wave generating circuit
12/08/2010CN101257291B Trapezoid exciting pulse generating method and device
12/01/2010CN101902216A Frequency generating device for producing variable-frequency signal
12/01/2010CN101158877B A constant current circuit, and a method of adjusting amount of current from the same
11/2010
11/24/2010EP1149383B1 Trimmable reference generator
11/17/2010CN201639531U Waveform transformation circuit and mobile terminal provided with same
11/17/2010CN101030769B Triangle wave generating equipment with built-in capacitor
11/11/2010WO2010129927A1 Flicker noise cancellation in oscillators
11/10/2010CN101882923A Triangular wave generator, spread spectrum clock generator using same and relevant method
11/04/2010US20100277090 Triangular-wave generating circuit, and inverter, light emitting device and liquid crystal television using the circuit
10/2010
10/28/2010US20100271248 Ramp wave output circuit, analog/digital conversion circuit, and camera
10/19/2010US7816955 Ramp generator and circuit pattern inspection apparatus using the same ramp generator
10/14/2010WO2010117106A1 Semiconductor waveform generator
10/05/2010USRE41791 Pulse generator provided with a duty-factor limiting function
09/2010
09/29/2010EP2232956A1 Electronic ballast and method for controlling at least one light source
09/29/2010EP2232705A1 Mixing waveforms
09/29/2010CN101847982A Triangle wave generating circuit
09/29/2010CN101355349B Circuit and method for generating triangular wave
09/29/2010CN101150319B Frequency comparator, frequency synthesizer and its related method
09/29/2010CN101079616B Oscillator circuit generating oscillating signal having stable cycle
09/28/2010USRE41767 Ramp generators for imager analog-to-digital converters
09/22/2010CN201590809U Stepped-wave generating device
09/22/2010CN101425784B Non-filter D type audio amplifier based on chaotic spread-spectrum modulation technique
09/21/2010US7800419 Differential amplitude controlled sawtooth generator
09/21/2010US7800418 Current mirror circuit and digital-to-analog conversion circuit
09/16/2010US20100231272 Buck-boost power converter with feed-forward technique for achieving fast line response
09/15/2010CN201584957U Touch key circuit, touch control device, touch screen and electronic equipment
09/09/2010US20100225255 Drive element and method for operating a drive element
09/07/2010US7791426 Frequency modulator
09/01/2010CN201569676U Make-and-break device of AC power supply
08/2010
08/31/2010US7786768 Waveform generating circuit and spread spectrum clock generator
08/17/2010US7777474 DC-DC converter with oscillator and monitoring function
07/2010
07/22/2010US20100182054 Triangle Wave Generating Circuit
07/21/2010CN201533292U Trapezoidal wave generator controlled by integrating circuit
07/14/2010EP2206231A1 Signal simulation apparatus and method
07/14/2010CN101779374A time-multiplexed-capacitor dc/dc converter with multiple outputs
07/14/2010CN101777890A System and method for reducing harmonic noise of digital-synthesis sine waves
07/08/2010WO2010078080A1 Patch cord with insertion detection and light illumination capabilities
07/01/2010US20100164563 Slope compensation circuit
06/2010
06/29/2010US7746130 Triangular wave generating circuit having synchronization with external clock
06/29/2010US7746129 Ultra low power servo-controlled single clock ramp generator with amplitude independent to clock frequency
06/22/2010US7741887 Triangular wave generator
06/22/2010US7741827 Parameter control circuit including charging and discharging current mirrors and method therefor
06/16/2010CN101741355A Waveform converting device
06/15/2010US7737739 Phase step clock generator
06/09/2010CN101728954A Control circuit for DC-DC current transformer and method thereof
06/02/2010CN101237236B A/d converter
05/2010
05/27/2010US20100128899 Large rc time-constant generation for audio amplifiers
05/27/2010US20100128552 High-voltage sawtooth current driving circuit and memory device including same
05/19/2010CN201479100U Saw-tooth wave generating circuit with half-period modulation of square wave frequency
05/19/2010CN201479099U Synchronous sawtooth wave generation device based on zero-crossing detection
05/18/2010US7721137 Bus receiver and method of deskewing bus signals
05/05/2010CN1848683B Trianglar-wave generator and pulse-width modulation signal generating circuit containing the same
05/05/2010CN101702622A Synchrotrons sawtooth wave generator based on zero-crossing detection
04/2010
04/29/2010DE102009018996B3 Schaltung zum Schalten kapazitiver Lasten Circuit for switching capacitive loads
04/28/2010CN1767384B Arbitrary waveform composite signal generator and signal generating method
04/21/2010EP2176953A1 Time-multiplexed-capacitor dc/dc converter with multiple outputs
04/14/2010CN101694990A Dual-waveform generator of skewed tooth wave and PWM pulse wave and application thereof
04/13/2010US7696794 Drive circuit for a switch in a switching converter
03/2010
03/30/2010US7687703 Method and device for generating triangular waves
03/25/2010WO2010033079A1 A relaxation oscillator
03/25/2010WO2010016019A3 Signal generation method and apparatus and test method and system using the same
03/24/2010CN101682316A Method and apparatus for communicating with root-nyquist, self-transform pulse shapes
03/17/2010CN101674069A Slope generating circuit
03/17/2010CN100594685C Reactance adjustment device, transceiver and transmission device, reactance adjustment method, transmission method, and reception method
03/04/2010US20100052742 Limit signal generator, pwm control circuit, and pwm control method thereof
03/04/2010US20100052741 Dual integrator circuit for analog front end (afe)
03/02/2010US7671642 Amplitude controlled sawtooth generator
02/2010
02/25/2010US20100045350 Semiconductor Device and Amplification Device Generating Triangular Wave Synchronized with Clock Signal
02/25/2010US20100045256 DC/DC Converter and Slope Compensation Circuit Thereof
02/24/2010CN100592629C Method and system for synchronizing phase of triangular signal
02/18/2010US20100039571 Triangular-wave generating circuit synchronized with an external circuit
02/11/2010WO2010016167A1 Reference frequency generating circuit, semiconductor integrated circuit, and electronic device
02/11/2010WO2010016019A2 Signal generation method and apparatus and test method and system using the same
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