Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
05/1999
05/25/1999US5907357 Switching circuit and charge transfer device using same
05/25/1999US5907300 A/D conversion device with dynamic input control
05/25/1999US5907298 Interpolation circuit for encoder
05/20/1999WO1999018672A8 Improved convergence in a digital signal averager
05/19/1999EP0804832A4 D/a converter with constant gate voltage
05/19/1999CN1217098A Digital to analogue converter with multiple output stages
05/18/1999US5905454 Digital-to-analog converter with complementary outputs
05/18/1999US5905452 Current source cell apparatus for digital/analog converter
05/18/1999US5905398 Capacitor array having user-adjustable, manufacturer-trimmable capacitance and method
05/18/1999US5905350 Position measuring system and measuring process
05/14/1999WO1999003197B1 A high speed and high gain operational amplifier
05/14/1999WO1999000904A9 Interleaved differential analog-to-digital converter
05/12/1999EP0914717A2 Digital to analogue and analogue to digital converters
05/12/1999EP0827585A4 Compact, low-cost, semiconductor instrument
05/12/1999CN1043397C Circuit arrangement for averaging signals during pulse-density D/A or A/D conversion
05/11/1999US5903482 Sampling frequency converting system and a method thereof
05/11/1999US5903234 Voltage generating apparatus
05/11/1999US5903175 D-type latch circuit and device using the same
05/11/1999US5903043 Semiconductor device and an arithmetic and logic unit, a signal converter and a signal processing system using the same
05/06/1999EP0913668A1 Process for measuring the phase angle of position sensors with sinusoidal output signals
05/06/1999EP0913033A1 Coherent sampling digitizer system
05/04/1999US5901194 Timer circuit with programmable decode circuitry
05/04/1999US5901176 To control power delivered to a load with reduced energy generation
05/04/1999US5900930 Angle sensor using a multi-pixel optical device
05/04/1999US5900830 Programmable analog-to-digital converter module
04/1999
04/29/1999WO1999021284A1 Power saving flash a/d converter
04/28/1999EP0911977A2 Digital to analogue converter
04/28/1999EP0911976A1 Analog/digital conversion device with sample-and-hold circuit
04/28/1999EP0911611A1 Rotary encoder
04/28/1999EP0911610A1 Angle sensor using a multi-pixel optical device
04/28/1999EP0910902A1 Method for efficient sampling in a correlator
04/27/1999US5898396 Analog-to-digital converter for both m-bit and n-bit analog conversion
04/27/1999US5898395 Drift canceling method and apparatus for analog to digital converters
04/27/1999US5898342 Power amplifier arrangement and method for data signal interface
04/27/1999CA2140536C Apparatus and method for producing an analog output signal from a digital input word
04/21/1999EP0910172A1 Analog/digital conversion device
04/21/1999EP0910168A1 Delta-sigma pulse width modulator
04/21/1999EP0910096A2 Low voltage sample and hold circuits
04/21/1999EP0910095A2 Low voltage sample and hold circuits
04/21/1999EP0573472B1 Analogue and digital convertors
04/21/1999CN1214814A Conversion of PCM signal into UPWM signal
04/21/1999CN1214576A Method of sampling, downconverting, and digitizing bandpass signal using digital predictive coder
04/21/1999CN1214574A Analog/digital conversion device with sample-and-hold circuit
04/20/1999US5896101 Wide dynamic range delta sigma A/D converter
04/20/1999US5896100 Method and apparatus for analog-to-digital or digital-to-analog conversion
04/20/1999CA2070712C Self calibrating pulse width modulator
04/15/1999WO1999018672A1 Improved convergence in a digital signal averager
04/15/1999WO1999018671A1 Beamformed ultrasonic imager with delta-sigma feedback control
04/15/1999WO1999018666A1 Signal processor with local signal behavior
04/15/1999WO1999018657A2 Down/up-conversion apparatus and method
04/15/1999WO1999008388A3 A method for converting an analog input signal into a digital output signal, an arrangement for performing such method and an image sensor comprising such arrangements
04/15/1999WO1999003197A3 A high speed and high gain operational amplifier
04/15/1999WO1999000904A8 Interleaved differential analog-to-digital converter
04/15/1999CA2305381A1 Signal processor with local signal behavior
04/15/1999CA2273999A1 Improved convergence in a digital signal averager
04/14/1999EP0908015A2 Wireless receiver with offset compensation using flash-adc
04/14/1999EP0907878A2 Apparatus and method for processing signals obtained from a position encoder
04/14/1999CN1214158A Module converter
04/13/1999US5894284 Common-mode output sensing circuit
04/13/1999US5894283 Method and apparatus for converting analog signals into pulse signals with simultaneous analog signal compression
04/13/1999US5894282 Floating triangle analog-to-digital conversion system and method
04/13/1999US5894281 Digital-to-analog converter utilizing MOS transistor switching circuit with accompanying dummy gates to set same effective gate capacitance
04/13/1999US5894280 Digital to analog converter offset autocalibration system in a digital synthesizer integrated circuit
04/13/1999US5894118 Structure of rotary electronic device with push/turn operating button
04/08/1999WO1999017452A1 High-speed serial-to-parallel and analog-to-digital conversion
04/08/1999WO1999017451A2 Method and device for detecting bits in a data signal
04/08/1999WO1999017081A1 Digital position sensor
04/07/1999EP0537304B1 Analog to digital converter
04/07/1999CN1213229A Variable current source
04/07/1999CN1213228A Two-step A/D converter circuit operable on low power supply voltage
04/07/1999CN1213227A Signal changing device with stable output
04/07/1999CN1213135A High quality audio encoding/decoding apparatus and digital versatile disc
04/06/1999US5892473 Switched capacitor digital-analog converter with a decreased harmonic distortion
04/06/1999US5892472 Processor controlled analog-to-digital converter circuit
04/06/1999US5892471 Apparatus and method for current steering digital-to-analog converter units
04/06/1999US5892468 Digital-to-digital conversion using nonuniform sample rates
04/01/1999WO1999016173A1 Analog-digital converter with tree-structured folding circuit
03/1999
03/31/1999EP0879420A4 Improved charge rate electrometer
03/31/1999EP0834170A4 Column driver for a display
03/31/1999EP0612410B1 Scanning process for jitter signals
03/31/1999CN1212793A Method and apparatus for converting analog signal into digital format
03/31/1999CN1212523A Liquid crystal display driving semiconductor device
03/30/1999US5889549 Communication apparatus having coding/decoding means responsive to a settable coefficient
03/30/1999US5889487 Flash analog-to-digital converter with latching exclusive or gates
03/30/1999US5889486 Split capacitor array for digital-to-analog signal conversion
03/30/1999US5889485 Charge-summing digital-to-analog converter
03/30/1999US5889484 Digital-to-analog converter
03/30/1999US5889424 Pulse width modulation operation circuit
03/30/1999US5889419 Differential comparison circuit having improved common mode range
03/30/1999US5889280 Apparatus for measuring displacement
03/30/1999CA2124114C Digital demodulator
03/25/1999WO1999014751A1 Sound processing method, sound processor, and recording/reproduction device
03/25/1999DE19840401A1 Arrangement with a divided capacitor arrangement for digital-to-analogue signal conversion
03/24/1999EP0903861A1 Method for selecting a sequence of cells inside a bidimensional matrix structure of a digital-analog converter and corresponding converter
03/24/1999EP0903854A2 Current comparator and method therefor
03/24/1999EP0903665A2 Physical random number generator, method of generating physical random numbers and physical random number storing medium
03/23/1999US5887027 Method of upstream channel modeling for PCM modem
03/23/1999US5886660 Time-to-digital converter using time stamp extrapolation
03/23/1999US5886657 Selectable reference voltage circuit for a digital-to-analog converter
03/23/1999US5886544 Signal processing with sampling