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)
04/1982
04/06/1982US4323730 Idle channel noise suppressor for speech encoders
04/06/1982CA1121456A1 Dual slide switch voltage encoder
03/1982
03/31/1982EP0048513A2 Switchable analogue signal inverter
03/24/1982EP0047764A1 A device for position measurement.
03/23/1982US4321600 Removable lamp housing for optical encoder
03/23/1982US4321585 Interpolative digital-to-analog converter for linear PCM code
03/23/1982US4321584 Charge coupled digital-to-analog converter
03/23/1982US4321583 Analogue to digital converter channels
03/17/1982EP0047463A1 Electric micrometer
03/16/1982US4320390 High resolution analog to digital converter
03/10/1982EP0047111A2 Matrix encoder for resistive sensor arrays
03/10/1982EP0047110A2 Light distribution system for optical encoders
03/10/1982EP0047090A2 Method of and apparatus for converting an analogue voltage to a digital representation
03/09/1982US4319226 Signal converter utilizing two clock signals
03/09/1982US4319188 Magnetic rotary encoder for detection of incremental angular displacement
03/04/1982WO1982000728A1 Optical positiontransducer
03/03/1982EP0046574A2 Zero-offset compensation method for an analogue comparator, comprising an operational amplifier in a successive approximations-type AD converter comprising a DA converter, in particular as part of a reversible AD/DA converter device (codec)
03/02/1982US4318095 Digital input apparatus
03/02/1982US4318086 (b+a)-Bit-A/D convertor with b-bit auxiliary A/D convertor
03/02/1982US4318085 Method and apparatus for conversion of signal information between analog and digital forms
02/1982
02/24/1982EP0046232A1 Angle coding device
02/23/1982CA1118901A1 System for converting analog signals to multiplexed digital data
02/16/1982US4316178 Digital-to-analog conversion system with compensation circuit
02/09/1982US4315255 Multiple-quantum interference superconducting analog-to-digital converter
02/09/1982US4315254 Self-compensating A-D converter
02/09/1982US4315253 Error correction in recirculating remainder analog-to-digital converters
02/09/1982US4315252 Apparatus for detecting the relative position of two movable bodies
02/09/1982CA1118100A1 M-bit analog to digital ccd silicon integrated circuit
02/04/1982WO1982000391A1 A dual bandwidth autozero loop for a voice frequency codec
02/04/1982WO1982000390A1 Use of single reference voltage for analog to digital or digital to analog conversion of bipolar signals
02/02/1982US4314235 System for utilizing a conventional n-bit successive approximation register to generate data words with more than n places
01/1982
01/26/1982US4313204 Digital encoding circuitry with means to reduce quantization noise
01/26/1982US4313173 Linear interpolator
01/26/1982US4313105 Encoding switches
01/26/1982US4313058 LED Light source device for a pulse encoder
01/20/1982EP0044215A1 Method and apparatus for error correction in position sensing circuit
01/20/1982EP0044146A1 Capacitive indicator of position
01/20/1982EP0043897A2 Integrated digital-analog converter
01/19/1982US4312071 Digital code error detection and alerting system
01/19/1982US4311988 Programmable A-law and μ-law DAC
01/19/1982US4311987 Validity check process for data supplied by digital displacement detectors and detectors using this process
01/13/1982EP0043652A2 Sampled signal generation circuit
01/13/1982EP0043536A2 Control system to adjust a physical value
01/12/1982US4310830 Method of and system for analog/digital conversion
01/07/1982WO1982000072A1 Analog-to-digital converter
01/05/1982US4309767 Monitor system for a digital signal
01/05/1982US4309693 Solid state digital to analog converter
01/05/1982US4309692 Integrating analog-to-digital converter
12/1981
12/29/1981US4308525 Dual speed resolver to digital converter with improved course-fine interlock
12/29/1981US4308524 Fast high resolution predictive analog-to-digital converter with error correction
12/29/1981US4308500 Incremental encoder for measuring positions of objects such as rotating shafts
12/29/1981US4308467 Electronic circuitry
12/29/1981US4308098 Method of electrically converting an analog signal into a digital representation
12/29/1981US4307611 Pulse-echo ultrasonic apparatus
12/29/1981CA1115357A1 Current comparator circuit
12/24/1981WO1981003728A1 Subscriber line audio processing circuit apparatus
12/24/1981WO1981003725A1 Interpolative analog-to-digital converter for subscriber line audio processing circuit apparatus
12/24/1981WO1981003724A1 Interpolative encoder for subscriber line audio processing circuit apparatus
12/23/1981EP0042179A2 Encoder
12/23/1981EP0042178A2 Absolute encoder
12/22/1981US4307382 Analog-to-digital converter making use of a charge-transfer device
12/22/1981CA1114956A1 Digital memory addressing system
12/15/1981US4306225 Digital-to-analog converting apparatus
12/15/1981US4306224 Analog-to-digital converting apparatus
12/15/1981US4306222 (b+a)-Bit D/A converter with b-bit auxiliary D/A converter
12/15/1981US4306221 Charge-coupled analog-to-digital converter
12/15/1981US4306220 Interpolation utilization apparatus
12/15/1981US4306196 Operational amplifier with offset compensation
12/15/1981CA1114510A1 Integrated weighted current digital to analog converter
12/15/1981CA1114509A1 Digital to analog resolver converter
12/15/1981CA1114508A1 Digital-to-analog converter
12/10/1981WO1981003590A1 Converter of p-codes into analog values
12/08/1981US4305064 High density analog-to-digital converter
12/08/1981CA1114069A1 Analog-to-digital converter alignment circuit
12/01/1981US4303985 Analog voltage to pulse rate or analog to frequency converter
12/01/1981US4303880 Gated precision offset circuit for a digital meter having a dual slope analog-to-digital converter
12/01/1981CA1113609A1 Code converters
12/01/1981CA1113514A1 Digital scale
12/01/1981CA1113240A1 Digital tape rule
11/1981
11/24/1981US4302812 Analog signal level monitor
11/18/1981EP0039921A2 Encoder device and method of use of it
11/18/1981EP0039737A1 Analog to digital converter and method of calibrating same
11/17/1981US4301540 Electronic tuning type receiver with digital to analog converter
11/11/1981EP0039430A2 Audio power amplifier with D-class push-pull end stage
11/10/1981US4300058 Electronic switch for converting a pulse signal into an analog signal
11/10/1981US4300039 Incremental encoder
11/10/1981CA1112330A1 Digital displacement transducer and method for measurement
11/04/1981EP0039082A2 Method and apparatus for measuring the displacement between a code plate and a sensor array
11/04/1981EP0038926A2 Analog-to-digital converter including a charge splitter
11/03/1981US4298436 Multilayer embedded conductor structure
10/1981
10/28/1981EP0038762A1 Analog-digital coder comprising a coded voltage generator using charge transfer
10/28/1981EP0038464A1 Colour television receiver comprising at least one integrated circuit for separating and processing the luminance and chrominance signals present in the composite colour signal
10/27/1981US4297680 Analog waveform digitizer
10/27/1981US4297679 Circuit for continuous conversion of signals into digital magnitudes
10/21/1981EP0038069A2 Circuit for the recognition of markings in the form of dashes
10/20/1981CA1111107A1 Entry apparatus of digital value in memory
10/13/1981US4295123 Analog-to-digital converter
10/13/1981US4295063 Fast settling digital to analog converter bit switch
10/13/1981CA1110770A1 Signal converter using weighted capacitances
10/07/1981EP0037259A1 Circuit arrangement and method for reducing quantization distortion in a signal processing device
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