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)
10/1981
10/07/1981EP0037192A1 Angle repeater means for converting shaft rotation into representative pulsed signals
10/07/1981EP0036976A1 Test circuit for a digital electric length or angle measurement system
10/06/1981US4293848 MOS Analog-to-digital converter
10/06/1981CA1110363A1 Analog-to-digital converter
10/01/1981WO1981002780A1 A device for position measurement
09/1981
09/29/1981US4292625 Monolithic digital-to-analog converter
09/29/1981US4291976 Digital fiber optic position sensor
09/29/1981CA1109933A1 Sample and hold circuit
09/22/1981US4291300 Tracking analog-to-digital converter for AC signals
09/22/1981US4291299 Analog to digital converter using timed level changes
09/22/1981US4291298 Reversible analog to digital converter with high precision
09/22/1981US4291297 Single ramp comparison analog to digital converter
09/22/1981CA1109562A1 Voltage to rate converter circuit
09/16/1981EP0035885A1 Optical position sensor
09/15/1981US4290131 Electronic timepiece
09/15/1981US4290050 Digital-analog converter utilizing fibonacci series
09/09/1981EP0035019A1 Cyclic digital-to-analog conversion system
09/08/1981CA1108760A1 Digital device for checking carbon equivalent in molten iron
09/08/1981CA1108759A1 Digital device for determining carbon content in iron- carbon melts
09/01/1981CA1108298A1 D.c. stabilized analog-to-digital converter
08/1981
08/25/1981US4285595 Modular encoder
08/19/1981EP0034107A1 Optical encoder using time domain multi-plexer
08/11/1981US4283715 Control of display devices with electromagnetic drums
08/11/1981CA1106971A1 Electric circuits
08/04/1981US4282560 Light distributor
08/04/1981US4282515 Analog to digital encoding system with an encoder structure incorporating instrumentation amplifier, sample and hold, offset correction and gain correction functions
07/1981
07/28/1981US4281319 Digital-to-analog converter
07/28/1981US4281317 Masked hysteresis in dual-slope analog-to-digital converter
07/28/1981US4281316 Successive approximation S/D converter with inherent quantization error centering
07/21/1981US4280191 Quantizing circuits
07/14/1981US4278964 Seismic playback system
07/14/1981CA1105143A1 Parallel analog-to-digital converter
07/08/1981EP0031751A1 Charge-transfer coded voltage generator, analog-digital coder and decoder comprising such a generator
07/07/1981US4277748 Angle digitizer
07/07/1981US4277701 Semiconductor integrated injection logic structure controlled by the injector
06/1981
06/30/1981US4276644 Tester and method for checking meter encoders in automatic meter reading systems
06/30/1981US4276543 Monolithic triple diffusion analog to digital converter
06/30/1981US4275965 Long stroke, high resolution optical position sensor
06/24/1981EP0030561A1 Current mirror digital to analog converter
06/23/1981US4275387 Charge-coupled device serial analog-to-digital converter and associated conversion method
06/23/1981US4275386 Binary analog-digital converter
06/23/1981CA1103763A1 Signal injection technique
06/17/1981EP0030477A1 Optical position transducer
06/16/1981US4274053 Magnetic rotary encoder for detection of absolute values of angular displacement
06/16/1981CA1103357A1 Meter dial encoder for remote meter reading
06/10/1981EP0029850A1 Charge coupled digital-to-analog converter
06/09/1981US4272760 Self-calibrating digital to analog conversion system and method
06/09/1981US4272759 16 Bit analog to digital converter
06/09/1981US4272721 Analog-to-digital converter alignment circuit
06/03/1981EP0029700A1 Analog-to-digital converter
06/02/1981US4271392 Latching relay circuits and analog to digital converters
06/02/1981US4271364 Bistable hysteretic integrated circuit
05/1981
05/28/1981WO1981001489A1 Analog to digital converter and method of calibrating same
05/26/1981US4270175 Apparatus for dividing a segment of variable length into equal parts
05/26/1981US4270119 Dual slope system A-D converter
05/26/1981US4270118 Parallel analog-to-digital converter
05/20/1981EP0028695A1 Circuitry for converting digital signals, especially PCM signals, into analog signals corresponding thereto with an R-2R-ladder network
05/19/1981US4268820 Integrating type analog-to-digital converter
05/19/1981CA1101558A1 Method and device for controlling a pcm-codec
05/12/1981US4267550 Digital to analog conversion circuit including compensation FET'S
05/05/1981US4266292 Method and apparatus for testing analog-to-digital and digital-to-analog code converters
05/05/1981US4266215 Reversible incremental encoding method and apparatus
05/05/1981US4266147 Circuit arrangement for forming a speed-proportional output voltage from a speed-proportional pulse sequence
05/05/1981US4266146 Charge transfer devices having switchable blocking electrodes
05/05/1981US4266125 Optical shaft angle encoder
05/05/1981CA1100638A1 Analog-to-digital and digital-to-analog converter circuits employing charge redistribution
04/1981
04/29/1981EP0027774A1 Long stroke, high resolution optical position sensor
04/28/1981US4264897 Meter register encoder including electronics providing remote reading capability
04/28/1981CA1100198A1 Filter for digital-to-analog converter
04/21/1981US4263506 Pulse generating apparatus
04/15/1981EP0026834A2 Analog-digital converter for the evaluation of the output signal of an optoelectronic sensor element, and method of operating it
04/14/1981US4262282 Indicator arrangement utilizing analog-digital converter
04/14/1981CA1099412A1 Digital-to-analog converter
04/14/1981CA1099409A1 Charge transfer device differencing circuit
04/08/1981EP0026579A1 A digital-to-analog conversion system
04/07/1981CA1099019A1 High speed, wide dynamic range analog-to-digital conversion
04/01/1981EP0025845A1 Monolithic integrated semiconductor circuit, and method of operating it
03/1981
03/24/1981US4258355 Digital to analogue converters
03/24/1981CA1098211A1 Overlap pcm coder/decoder with reaction time compensation
03/17/1981US4257034 Feedback-compensated ramp-type analog to digital converter
03/17/1981CA1097810A1 Charge-transfer binary search generating circuit
03/17/1981CA1097809A1 Charge-coupled-device quantizing circuit
03/11/1981EP0024957A1 Apparatus for determining the position of an object
03/11/1981EP0024787A1 Waveform digitizer
03/10/1981US4255654 Method of electrically detecting focal point of cameras or the like optical devices
03/05/1981WO1981000653A1 Cyclic digital-to-analog conversion system
03/03/1981US4254406 Integrating analog-to-digital converter
02/1981
02/25/1981EP0024227A1 Analog-digital-converter using a charge coupled device and a multiplication of the charges
02/25/1981EP0024226A1 Circuit for the processing of periodic analogue signals and device using the same
02/24/1981CA1096501A1 Weighted capacitor analog/digital converting apparatus and method
02/24/1981CA1096497A1 Digital-to-analog and analog-to-digital converter circuit
02/17/1981US4251869 Frequency-to-binary converter
02/17/1981US4251803 Dynamic zero offset compensating circuit for A/D converter
02/17/1981US4251802 Analog to digital converter
02/17/1981US4251743 Current source circuit
02/17/1981CA1096075A1 Fibonacci code display
02/10/1981US4250494 Charge transfer analog-to-digital converter with precise charge control
02/10/1981US4250493 Analog-to-digital converter employing constant-current circuit incorporating MISFET
02/10/1981US4250492 Non-uniform weighting circuitry
02/03/1981US4249109 Light digitizing circuit for an electronic flash device
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