H03M 1 - Analogue/digital conversion; Digital/analogue conversion

Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
01/1988
01/05/1988	CA1231175A1 Switched-capacitor circuit analog-to-digital converter
12/1987
12/29/1987	US4716398 Linearity control circuit for digital to analog converter
12/29/1987	US4716397 Method and apparatus for very high speed analog-to-digital conversion
12/29/1987	US4716290 Rotary encoder with intermittent feed means
12/23/1987	EP0249986A2 Analog-to-digital converter
12/22/1987	US4714913 Quadrature phase signal processor
12/16/1987	EP0249538A1 Analogous-digital encoder
12/16/1987	EP0249026A2 Even-symmetry signals acquisition device
12/15/1987	US4713650 Pipelined digital-to-analog converter
12/15/1987	US4713649 Bias voltage compensated integrated circuit digital-to-analog converter
12/10/1987	DE3619013A1 Voltage/digital code converter
12/08/1987	US4712091 Digital/analog converter having a switchable reference current
12/08/1987	US4712089 All-optical A/D conversion using integrated nonlinear guided wave optical circuitry
12/08/1987	US4712088 Multistage angle encoder with an improved allocation of coarse code information to fine code information
12/08/1987	US4712087 Analog-to-digital converter error correction circuit
12/08/1987	US4712005 Floating mask encoder with assembly spacer
12/08/1987	US4712000 Rotary encoder with source-adjacent light sampling and control
12/03/1987	WO1987007457A1 Optical detector circuit for photometric instrument
12/02/1987	EP0247184A1 Displacement measuring apparatus.
12/02/1987	EP0247117A1 Improvements in or relating to transducer interfaces
12/01/1987	US4710770 Phase modulation type digital position detector
12/01/1987	US4710747 Method and apparatus for improving the accuracy and resolution of an analog-to-digital converter (ADC)
11/1987
11/26/1987	DE3616865A1 Digital magnetometer
11/25/1987	EP0246592A2 DC-excited capacitive shaft rotation transducer
11/25/1987	EP0246404A2 Measurement method
11/25/1987	CN87103462A Discrete cosine transform arrangement
11/24/1987	US4709226 Circuitry for complementing binary numbers
11/24/1987	US4709225 Self-calibration method for capacitors in a monolithic integrated circuit
11/19/1987	WO1987007098A1 Analogue to digital converters
11/19/1987	EP0246058A2 Analog signal processor
11/19/1987	EP0246054A2 Position encoders and methods of their manufacture and use
11/19/1987	EP0245903A1 Discrete cosine transform arrangement
11/19/1987	EP0245808A2 Improved resolution analog to digital converter
11/19/1987	EP0245346A1 Method and apparatus for interfacing between analog signals and a system bus
11/17/1987	US4707695 Magnetic position sensor
11/17/1987	US4707683 Increasing precision of encoder output
11/17/1987	US4707682 A-to-D converter of the successive-approximation type
11/17/1987	US4707681 Method and apparatus for implementing optimum PRML codes
11/17/1987	US4707680 Sample isolation in integrating analog-to-digital converters
11/11/1987	EP0115897B1 Current source arrangement
11/11/1987	CN86108082A Displacement measuring apparatus
11/10/1987	US4706066 Switch capacitor D/A converter having a distortion reducing capacitor
11/10/1987	CA1229171A1 Flash a/d converter having reduced input loading
11/04/1987	EP0244385A2 A displacement detector for an encoder
11/04/1987	EP0244375A2 Contactless type rotary encoder
11/04/1987	EP0243708A1 Partial response maximum likelihood coding
11/03/1987	US4704600 Oversampling converter
10/1987
10/28/1987	EP0243182A2 An induction coil
10/28/1987	CN87102807A Method and circuitry for detecting signals of capacitance type transducers for measuring positions
10/27/1987	US4703310 Digital/analog converter with capacitor-free elimination of a.c. components
10/27/1987	US4703309 Precision optoelectronic rotational position sensor
10/27/1987	US4703308 Apparatus and methods for digital-to-analogue conversion
10/27/1987	US4703302 Resistance ladder network
10/22/1987	DE3612438A1 Multi-stage sawtooth method for analog/digital conversion
10/22/1987	DE3611922A1 Method and device for improving the resolution in the digitisation of an analog signal
10/21/1987	EP0241913A2 Method and circuitry for detecting signals of capacitance type transducers for measuring positions
10/21/1987	EP0241835A2 Circuit for driving a multiple-element display
10/21/1987	EP0241733A2 A fast high resolution analog to digital converter
10/20/1987	US4701694 Digitally selectable, multiple current source proportional to a reference current
10/20/1987	US4701641 Logic network for D/A conversion
10/20/1987	US4701615 Measuring scale coding system for length or angle measuring instruments
10/14/1987	EP0241170A1 Adaptive speech feature signal generation arrangement
10/14/1987	EP0241077A1 Encoding device
10/14/1987	EP0240830A2 Voltage comparator circuit
10/14/1987	CN87102624A Capacitance type transducer for measuring positions
10/14/1987	CN87102565A 编码装置 Encoding device
10/13/1987	US4700360 An analog waveform
10/13/1987	US4700174 Analog signal processor
10/13/1987	US4700173 Analog to digital conversion method and system with the introduction and later removal of dither
10/13/1987	US4700063 Encoder output error detecting circuit
10/08/1987	WO1987006080A2 Analog/digital converter apparatus for quantizing transmittance voltage signals
10/08/1987	WO1987006079A1 Digital analogue signal conversion
10/08/1987	WO1987006078A1 Apparatus for converting an analogue balanced signal to a digital signal
10/08/1987	WO1987005995A1 Tape rule device
10/08/1987	DE3704109A1 Absolute-value measuring system
10/07/1987	EP0240020A2 A capacitance type transducer for measuring positions
10/07/1987	EP0239929A2 Integrated interface circuit for analogous-digital circuits
10/07/1987	EP0239696A2 Linearity correcting control circuit for tunable delay line
10/06/1987	US4698690 Image signal processor
10/06/1987	US4698616 Optoelectronic rotational position sensor
09/1987
09/30/1987	EP0238646A1 Dual slope converter with large apparent integrator swing.
09/29/1987	US4697168 Angle transducer storing an integral number of revolutions' worth of rotor-pole transition data in memory
09/23/1987	EP0238300A2 Serial digital signal processing circuitry
09/23/1987	EP0238188A2 Colour graphics control system
09/23/1987	EP0237583A1 Method and circuit arrangement to convert a measured voltage into a digital value
09/22/1987	US4695826 High accuracy digital-to-analog converter having symmetrical current source switching
09/22/1987	US4695825 Analog-digital conversion system
09/16/1987	EP0236315A1 Digital-to-analogue and analogue-to-digital converters
09/15/1987	US4694277 A/D converter
09/15/1987	US4694275 Digital capacitance incremental encoder
09/15/1987	US4694208 Current-impulse converter circuit with variable time constant
09/10/1987	DE3606894A1 Digital/analog converter
09/09/1987	EP0236258A1 Method for the conversion of an analogous signal into a digital signal
09/09/1987	EP0235912A2 Waveform digitizer
09/08/1987	US4692738 Analog signal processing apparatus
09/08/1987	US4692737 Encoding device
09/08/1987	US4692641 Level shifting circuitry for serial-to-parallel converter
09/08/1987	CA1226688A1 Digital acquisition system including a high-speed sampling gate
09/02/1987	EP0234666A2 Digital-to-analog converter circuit
09/02/1987	EP0234034A1 Analog-digital conversion device of analog electric signals

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