Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › H03M 1 - Analogue/digital conversion; Digital/analogue conversion
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
06/1991
06/05/1991EP0430288A2 Angular position indicator
06/05/1991EP0429826A2 Exponential gain control for nonlinear analog-to-digital converter
06/05/1991EP0151176B1 Digital to analog converter
06/05/1991CN1012782B 译码均衡器 Decoding equalizer
06/04/1991US5021788 Digital analog converter
06/04/1991US5021787 Digital-analog converter for conversion of law A- encoded digital signals into analog signals
06/04/1991US5021786 Analog to digital and digital to analog signal processors
06/04/1991US5021785 Floating point digital to analog converter with bias to establish range midpoint
06/04/1991US5021784 Calibrated current source with ripple reduction
06/04/1991US5021783 Method for operating an apparatus for facilitating communications
05/1991
05/30/1991WO1991007825A2 Termination circuit for an r-2r ladder that compensates for temperature drift
05/29/1991EP0428631A1 Analog to digital converter
05/29/1991DE3939353A1 Path or angle measuring system - scans measuring track with sequence of markings, providing specified combinations
05/28/1991US5020119 System for producing serrated, alternating pixel pattern on character boundaries
05/28/1991US5019821 Bias circuit for a subranging analog to digital converter
05/28/1991US5019820 Serial-parallel type A/D converter having reference resistor chain and current source array
05/28/1991US5019819 Digital-to-analog conversion circuit
05/28/1991US5019818 Superconducting analog-to-digital converter with grounded four-junction squid bidirectional counter
05/28/1991US5019817 Analogue-to-digital converter
05/27/1991CA2019237A1 Method and apparatus for linearizing the output of a digital-to-analog converter
05/21/1991US5017920 High-speed modified successive approximation analog to digital converter
05/21/1991US5017919 Digital-to-analog converter with bit weight segmented arrays
05/21/1991US5017918 Method and circuit for eliminating major bit transition error at the bipolar zero point in a digital-to-analog converter
05/21/1991US5017805 Offset cancel latching comparator
05/21/1991US5017776 Apparatus for and methods of optical encoding having spiral shaped light modulator
05/21/1991US5017741 Rotary digital contact encoder substrate
05/21/1991CA1284384C Digital to analog converter
05/16/1991WO1991007017A1 Analogue to digital converter
05/16/1991WO1991005409A3 Analog-to-digital converter employing a pipelined multi-stage architecture
05/15/1991EP0427524A1 Adaptive rounder for video signals
05/15/1991EP0313639A4 Digital signal synthesizer
05/14/1991US5016014 High accuracy analog-to-digital converter with rail-to-rail reference and input voltage ranges
05/14/1991US5016012 Technique for compensating switched capacitor circuits having gain-setting resistors
05/14/1991US5015836 Source intensity adjustment apparatus for optical channel
05/14/1991US5015056 Photointerruptor for use in light-transmission type rotary encoder
05/14/1991CA1284227C Analog-to-digital converter
05/08/1991EP0426296A2 Apparatus having modular interpolation architecture
05/08/1991EP0426295A2 Communications interface apparatus with decimating circuit
05/08/1991EP0426294A2 Decimation-interpolation circuits
05/08/1991EP0426125A2 Encoder
05/08/1991EP0425749A1 Timing relay
05/08/1991EP0290464A4 Analog-digital converter
05/07/1991US5014059 Analog-to-digital converter system
05/07/1991US5014058 Method and arrangement for evaluating a measurable analog electrical quantity
05/07/1991US5014057 Clockless A/D converter
05/07/1991US5014056 A/D converter with a main range up/down counter and a subrange A/D converter
05/07/1991US5014055 Analog-to-digital converter and method of use utilizing charge redistribution
05/07/1991US5014054 Digital-to-analog converter of the resistor string type
05/07/1991US5013988 Absolute position encoder
05/07/1991US5013910 Shaft angle encoder with a symmetrical code wheel
05/07/1991US5012673 Method and apparatus for detecting a rotation angle
05/02/1991WO1991006152A1 Method for conversion of a shaft's angular position into code
05/02/1991EP0425080A2 Method and digital data acquisition instrument with a counter/timer for time intervals, in particular in a logic analyzer
05/02/1991EP0424742A2 Floating output digital to analog converter
04/1991
04/30/1991US5012272 Indication control unit for an electronically controlled camera
04/30/1991US5012247 Switched-capacitor analog-to-digital converter with autocalibration
04/30/1991US5012246 BiCMOS analog-to-digital converter with minimized metastability
04/30/1991US5012243 Superconducting analog-to-digital converter with floating four-junction squid bidirectional counter
04/30/1991US5012242 Input data processor for D/A converter utilizing dithering
04/30/1991US5012241 Method for determining and processing correction values for self-calibrating A/D and D/A converters, and calculating register for performing the method
04/30/1991US5012239 High resolution position sensor circuit
04/30/1991US5012238 Absolute encoder
04/30/1991US5012178 Low noise DAC current source topology
04/30/1991CA1283736C Digital-to-analogue converter arrangement
04/24/1991EP0424161A2 System for coding and decoding an orthogonally transformed audio signal
04/24/1991EP0423988A2 Shaft angle encoder with a symmetrical code wheel
04/24/1991EP0166592B1 Encoding method
04/23/1991US5010347 Analog-to-digital converter having an excellent signal-to-noise ratio for small signals
04/23/1991US5010346 Electro-optical analog-to-digital converter and method for digitizing an analog signal
04/23/1991US5010340 Charge domain successive approximation analog to digital converter
04/23/1991US5010339 Ultra linear spectroscopic analog-to-digital converter
04/23/1991US5010338 Comparator circuit and analog to digital converter
04/23/1991US5010337 High resolution D/A converter operable with single supply voltage
04/18/1991WO1991005409A2 Analog-to-digital converter employing a pipelined multi-stage architecture
04/18/1991WO1991003878A3 Voltage coupling circuit for digital-to-time converter
04/18/1991DE3934215A1 D=A system with pulse width modulator - is actuated by digital system, while modulator signal is amplified
04/17/1991EP0422730A2 Circuit arrangement with an adjusting controller
04/16/1991US5008676 Digital/analog converter
04/16/1991US5008675 Digital to analog converter using pulse width modulator for independently setting edge position
04/16/1991US5008674 Digital-to-analog converter using switched capacitor and transverse filter
04/16/1991US5008673 Digital to analog converter enhancing conversion precision
04/16/1991US5008672 Signal conversion apparatus which reduces quantization errors for telecommunications applications
04/16/1991US5008671 High-speed digital-to-analog converter with BiMOS cell structure
04/16/1991US5008670 Phase/digital conversion method and arrangements for implementing the method
04/16/1991US5008564 Method and device for converting voltage to frequency
04/16/1991CA1283214C Reference generator
04/16/1991CA1283213C Analog-to-digital converter
04/11/1991DE3933052A1 Protective circuit for A=D converter inputs - has resistor incorporated between input to be protected and convertible analog signal
04/10/1991EP0421896A1 High frequency conversion analog-digital converter
04/10/1991EP0421653A2 Technique for compensating switched capacitor circuits having gain-setting resistors
04/10/1991EP0421395A2 Arrangement for the conversion of an electrical input value to a direct electrical signal proportional thereto
04/09/1991US5007057 Power source monitor and a rotary encoder with such a monitor
04/09/1991US5006930 Device for reducing the redundancy in blocks of digital video data in DCT encoding
04/09/1991US5006854 Method and apparatus for converting A/D nonlinearities to random noise
04/09/1991US5006853 Hysteresis insensitive analog to digital converter system using a coarse comparator and a fine comparator
04/09/1991US5006852 Analog-to-digital converter with isolated power supply lines to the individual components
04/09/1991US5006851 Analog-to-digital converting system
04/09/1991US5006848 Rotary encoder capable of generating electronic pulses having variable frequency without changing rotary plate
04/09/1991CA1282865C N+1 bit resolution from an n bit a/d converter
04/04/1991WO1991004610A1 Signal digitizing method and system
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