Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
01/1985
01/02/1985CA1180448A Dual bandwidth autozero loop for voice frequency codec
01/01/1985US4491826 Incremental digital converter
01/01/1985US4491825 High resolution digital-to-analog converter
12/1984
12/27/1984EP0129236A2 Signal conversion apparatus for use in PCM signal processing system
12/27/1984CA1180123A Arrangement for generating a sequence of binary- weighted values of an electrical quantity
12/27/1984CA1180064A Method and apparatus for automatically detecting signal levels
12/25/1984US4490714 Digital-to-analog converter for bipolar signals
12/25/1984US4490713 Microprocessor supervised analog-to-digital converter
12/25/1984US4490634 Semiconductor circuit
12/18/1984US4489309 Pipelined charge coupled to analog to digital converter
12/18/1984US4489244 Current source circuit
12/11/1984US4488144 High linearity digital to analog converter
12/11/1984CA1179410A1 Remote data gathering panel
12/05/1984EP0126868A2 Quantizer-subtractor circuit
12/04/1984US4486891 Contact point type measuring device
12/04/1984US4486845 Resolver to incremental shaft encoder converter
12/04/1984US4486707 Gain switching device with reduced error for watt meter
11/1984
11/28/1984EP0126337A2 Switched-capacitor AGC system
11/27/1984US4485372 Two-stage a-to-d converter
11/21/1984EP0125417A2 Method and apparatus for converting radiant energy levels to digital data
11/21/1984EP0125413A2 Incremental length measuring device
11/20/1984US4484178 Digital-to-analog converter
11/20/1984US4484177 Analog-to-digital converter apparatus for condition responsive transducer
11/20/1984US4484149 Single-supply IC digital-to-analog converter for use with microprocessors
11/14/1984EP0124765A1 Digital power switching amplifier
11/13/1984US4482887 Integrated weighted current digital to analog converter
11/13/1984CA1177966A1 High resolution digital-to-analog converter
11/07/1984EP0124132A2 Switched-capacitor circuit analog-to-digital converter
11/06/1984US4481597 Borehole spectral analog to digital converter
10/1984
10/31/1984EP0123618A1 Diascopic reading device for an optical code, and its manufacturing process
10/31/1984EP0123243A2 Testable coder and decoder apparatus
10/31/1984EP0123222A2 Digital-to-analog converter
10/24/1984EP0122300A1 Integrated circuit for delivering a digitally controllable terminal voltage
10/24/1984EP0122294A1 Optical absolute encoder
10/17/1984EP0121841A2 Method or improving time resolution in digital systems
10/17/1984EP0121658A1 Measurement device
10/17/1984EP0047764B1 A device for position measurement
10/16/1984US4477189 Photoelectric incremental measuring device
10/16/1984CA1176376A1 Digital-to-analog converter
10/16/1984CA1176375A1 Digital-to-analog converter
10/10/1984EP0121234A2 Decoder for a D/A converter
10/10/1984EP0120956A1 Systems for providing digital representations of analog values.
10/09/1984US4476457 For producing output signals
10/09/1984US4476456 Combination of an analog to digital converter and sampling switch
10/09/1984US4476435 Digital demodulation of frequency modulated signals
10/09/1984CA1175945A1 Generalized, interpolative process for the digital- analog conversion of pcm signals
10/09/1984CA1175944A1 Digital to analog converter
10/09/1984CA1175943A1 Digital-to-analog converter
10/09/1984CA1175942A1 Analog to digital converter
10/09/1984CA1175885A1 Power saving regulated light emitting diode circuit
10/03/1984EP0120692A2 Phase modulation type digital position detector
10/03/1984EP0120424A2 Parallel comparison type analog to digital converter
10/02/1984US4475154 Circuit for transferring position data in a computer controlled device
10/02/1984US4475034 Modular shaft encoder
09/1984
09/26/1984EP0119586A2 Method and device for fast and high resolution digitalization of analogous signals
09/26/1984EP0119529A2 Interpolative A/D conversion method
09/26/1984EP0119509A1 Analog-digital converter
09/25/1984US4473819 Digital-to-analog conversion apparatus with a variable active-level
09/25/1984US4473818 Bipolar digital to analog converter
09/25/1984CA1175148A1 Offset digital dither generator
09/19/1984EP0118960A2 Circuitry for the conversion of an analogous picture-signal to an amplitude-discreet output
09/19/1984EP0118919A2 Method and apparatus for converting spectral and light intensity values directly to digital data
09/19/1984EP0118762A2 Digital-to-analog converter device
09/19/1984EP0118673A2 Measurement device
09/18/1984US4472629 Optical encoder improvement
09/11/1984US4471482 Switched capacitor circuit for generating a geometric sequence of electric charges
09/11/1984US4471341 Pipe-lined CCD analog-to-digital converter
09/11/1984US4471340 Analog to digital converter
09/11/1984US4471304 Fluid-powered actuator having a cylinder with magnetic field detectors thereon and a magnetized piston rod
09/05/1984EP0117724A2 Interchannel skew corrector for PCM signals
09/05/1984EP0117683A2 Incremental encoder synchronous decode circuit
08/1984
08/29/1984EP0117132A2 Double integrating-type analog-to-digital converter
08/29/1984EP0117128A2 Multiplexed analog-to-digital converter
08/29/1984EP0117007A2 Analog-to-digital converter using absolute-value conversion
08/29/1984EP0116776A1 Latched comparator circuits
08/29/1984EP0116636A1 Position measuring apparatus.
08/28/1984US4468745 Device for position measurement
08/28/1984US4468654 Charge redistribution a-law PCM decoder
08/28/1984US4468653 Charge redistribution mu-law PCM decoder
08/28/1984US4468652 Digital-to-analog converter having ladder network and improved interconnection therefor
08/28/1984US4468651 Method for eliminating the zero point error in an iterative analog-digital converter
08/22/1984EP0116416A2 Gas discharge logic device for use with AC plasma panel
08/21/1984US4467346 Adaptive quantizer
08/21/1984US4467320 Measurement of a linear variable differential transformer signal by phase conversion
08/21/1984US4467319 Signal conversion circuit
08/21/1984US4467316 Generalized interpolative method for digital/analog conversion of PCM signals
08/21/1984CA1173162A1 Method of producing a binary code and means for using the same
08/15/1984EP0115897A1 Current source arrangement
08/15/1984EP0115497A1 Input ranging divider and method for an analog to digital converter
08/14/1984US4466127 Entry apparatus of digital value in memory
08/14/1984US4465996 High accuracy digital-to-analog converter
08/14/1984US4465995 Method and apparatus for analyzing an analog-to-digital converter with a nonideal digital-to-analog converter
08/14/1984US4465928 Optically multiplexed encoder system
08/14/1984US4465373 Encoder
08/14/1984US4465370 Light measuring device
08/14/1984CA1172709A1 Multiple function operational amplifier circuit
08/08/1984EP0115381A2 Apparatus for detecting the angular position and angular velocity of a rotatable member and a method of assembling the apparatus
08/08/1984EP0115352A2 Integratable digital-analog converter
07/1984
07/31/1984US4463343 Method of and device for incremental analogue-to-digital conversion
07/31/1984CA1171967A1 Digital to analog converter