Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
10/1986
10/14/1986US4617550 Analog-to-digital converters with virtual integration
10/14/1986US4617549 Monolithically integrable MOS-comparator circuit
10/14/1986CA1212778A1 Digital-to-analog converter of the current-adding type
10/14/1986CA1212777A1 Digital-to-analog converter for bipolar signals
10/14/1986CA1212730A1 Extended reference range, voltage-mode cmos d/a converter
10/07/1986US4616329 Self-calibrating adaptive ranging apparatus and method
10/07/1986US4616271 Digital audio system with automatic fade in and fade out operations
10/07/1986US4616212 Two stage weighted capacitor digital to analog converter
10/07/1986US4616210 Spectrophotometers
10/01/1986EP0196050A2 Resistor and electron device employing the same
09/1986
09/30/1986US4614936 Method and arrangement for interpolative A/D conversion
09/30/1986US4614934 Digital-to-analog converter device for processing PCM signals of different sampling frequencies
09/30/1986US4614869 Apparatus for detecting angle and angular velocity of rotation member and method of assembling it
09/25/1986WO1986005609A1 Digital to analog conversion apparatus
09/24/1986EP0195502A2 A/D converter
09/23/1986CA1211844A1 Digital voice compression having a digitally controlled agc circuit and means for including the true gain in the compressed data
09/17/1986CN85102705A Voltage-frequency converter
09/16/1986US4612533 Harmonic distortion reduction technique for data acquistion
09/16/1986US4612531 Intermeshed resistor network for analog to digital conversion
09/10/1986EP0193613A1 Display signal generator
09/09/1986US4611196 Pipelined successive approximation analog-to-digital converter
09/09/1986US4611195 Digital-to-analog converter
09/09/1986US4611194 Analog-to-digital converter
09/09/1986US4611178 Push-pull output circuit
09/09/1986CA1211182A1 Angular rotary position encoder
09/03/1986EP0193143A2 Audio signal transmission method
09/02/1986US4609906 Digital-to-analog/analog-to-digital dual mode circuit
08/1986
08/28/1986WO1986005048A1 Improvements in or relating to analogue to digital converters
08/28/1986WO1986005047A1 Improvements in or relating to analogue to digital converters
08/26/1986US4608555 Analog to digital flash converter
08/26/1986US4608553 Analog to digital converter without zero drift
08/20/1986EP0191478A2 Measurement circuit for evaluating a digital-to-analog converter
08/20/1986EP0191470A1 Fast analogous-digital converter
08/19/1986US4607250 Bit adjustment and filter circuit for digital-to-analog converter
08/19/1986US4607249 Input level shifting circuit for low voltage digital-to-analog converter
08/19/1986US4607248 Digital to analog converter having integrated digital and analog circuitry
08/13/1986EP0190694A2 Oversampling converter
08/13/1986EP0190225A1 Digital processor for speech signals
08/12/1986US4605920 Prescaling device and method
08/12/1986US4604983 Analog duty cycle to BCD converter
08/12/1986CA1209707A1 Systems for providing digital representations of analog values
08/06/1986EP0189706A1 Optical device for position detection
08/05/1986USH104 Digital resolver compensation technique
08/05/1986US4604725 Rotary apparatus having code track with pseudo-random binary digit sequence for indicating rotational position
08/05/1986US4604566 Voltage pulse to current regulating convertor
08/05/1986US4604521 Optical absolute encoder
08/05/1986CA1209267A1 Look-back analog-to-digital converter
07/1986
07/31/1986WO1986004470A1 Apparatus and method for analogue to digital conversion
07/30/1986EP0189291A2 Method and system for enhancing the accuracy of analog-to-digital converters
07/29/1986US4603319 Digital-to-analog converter with reduced output capacitance
07/23/1986EP0188332A2 Digital-to-analog converter and method relating thereto
07/23/1986EP0188021A1 Digital-to-analog converter
07/23/1986EP0187808A1 A sensor or transducer
07/22/1986US4602244 Integrated injection logic circuit
07/22/1986US4602243 Analog-to-digital conversion and averaging system for an optical analyzing instrument
07/22/1986US4602242 Encoder for photoelectric measuring devices
07/22/1986US4602241 Input current saving apparatus for flash A/D converter
07/22/1986CA1208369A1 Method and apparatus for converting radiant energy levels to digital data
07/16/1986CN86100158A Digital-to-analog converter
07/15/1986US4600916 Parallel analog-to-digital converter circuit
07/15/1986US4600915 Digital-to-analog converter circuit
07/15/1986US4600896 Circuit for limiting jitter transients during switching of phase control signals to an oscillator
07/15/1986US4600835 Pulse encoder having a circuit for diagnosing abnormalities
07/15/1986CA1207912A1 Analog to digital converting system for composite video signal
07/09/1986EP0186757A2 QAM modulator and demodulator
07/08/1986US4599605 Electrical encoding device
07/08/1986US4599604 A/D Self-testing circuit
07/08/1986US4599603 Compression type A/D converter
07/08/1986US4599602 Serial-type A/D converter utilizing folding circuit cells
07/08/1986US4599601 Absolute incremental encoder
07/08/1986US4599599 Analog-to-digital converter
07/03/1986WO1986003911A1 Two-step encoding method
07/02/1986EP0186400A2 Apparatus for converting an analogue input signal of narrow bandwidth to digital form
07/02/1986EP0186382A1 Programmable digital hysteresis circuit
07/02/1986EP0186239A1 Integrated circuit comprising capacitances of different capacitance values
07/02/1986EP0186151A2 Extrema coding digitizing signal processing method and apparatus
07/02/1986EP0101727B1 Multi-function electricity metering method
07/01/1986US4598270 Precision integrating analog-to-digital converter system
07/01/1986US4598269 Method and apparatus for processing an analog signal
06/1986
06/25/1986EP0185088A1 Chain code encoder
06/24/1986US4597081 Encoder interface with error detection and method therefor
06/24/1986US4596979 Fast response digital-to-analog converter
06/24/1986US4596978 Parallel comparison type analog to digital converter
06/24/1986US4596977 Dual slope analog to digital converter with out-of-range reset
06/24/1986US4596976 Integrated circuit analog-to-digital converter
06/19/1986WO1986003580A1 Angle sensor
06/18/1986EP0184585A1 Methods and apparatus for analog to digital conversion
06/18/1986CN85204504U Digital multiline signal deferred mount for electric power system
06/17/1986US4595991 Position measuring method and apparatus
06/17/1986US4595912 Integrated circuit for generating a terminal voltage adjustable by a digital signal
06/17/1986US4595910 Digital-to-analog converter useful in a television receiver
06/17/1986US4595909 N-bit propagatary analog-to-digital converter system
06/17/1986US4595908 Circuit using slow sampling rate A-D converter which provides high sampling rate resolution
06/17/1986US4595906 Scaled analog to digital coverter
06/11/1986EP0184398A2 Analog-to-digital conversion
06/11/1986EP0184286A2 Position sensor
06/11/1986EP0183932A1 Pulse generator for converting the movement of a generator into a pulse train
06/10/1986US4594733 Signal processing system and the method
06/10/1986US4594726 Dedithering circuitry in digital TV receiver
06/10/1986US4594578 One shot pulse width modulating converter