Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
02/1986
02/25/1986US4573039 Digital to analog converter
02/25/1986US4573038 Linear codec with dual divider
02/25/1986US4573036 Integrable circuit for digital-to-analog converter
02/25/1986US4573033 Filter circuit for digital-to-analog converter
02/25/1986US4573005 Current source arrangement having a precision current-mirror circuit
02/25/1986US4572952 Position sensor with moire interpolation
02/18/1986US4571725 Image formation apparatus having a diagnosing function
02/18/1986US4571576 High speed analog-to-digital converter
02/18/1986US4571574 Analogue to digital converter
02/18/1986US4571572 Digital/analogue converter
02/18/1986US4571507 Successive approximation analog-to-digital converter
02/18/1986CA1200906A1 Optical encoder system
02/18/1986CA1200853A1 Current to frequency converter
02/13/1986WO1986001056A1 A sensor or transducer
02/13/1986WO1986001025A1 Digital processor for speech signals
02/11/1986US4570153 Signal conversion apparatus for use in PCM signal processing system
02/11/1986US4570121 Video wave codec
02/05/1986EP0170224A2 Digital-to-analog converter
02/04/1986US4569028 Adaptive digitizer circuit for information processing system
02/04/1986US4568917 Capacitive digital to analog converter which can be trimmed up and down
02/04/1986US4568913 High speed integrating analog-to-digital converter
02/04/1986US4568912 Method and system for translating digital signal sampled at variable frequency
02/04/1986US4568910 Analog-to-digital converter
02/04/1986CA1200090A1 Inclinometer
01/1986
01/29/1986EP0169535A2 Analog to digital converter
01/28/1986US4567468 Modulation circuit of a digital-to-analog converter
01/28/1986US4567467 Angular rotary position encoder
01/28/1986US4567465 Method and apparatus for converting analog signal into digital signal
01/28/1986US4567463 Circuit for improving the performance of digital to analog converters
01/28/1986CA1200013A1 Digital to analog converter
01/22/1986EP0169147A2 A method and apparatus for minimizing digital-to-analog converter correction trims
01/21/1986US4566110 Auto-zeroing linear analog to digital converter apparatus and method
01/21/1986US4565993 Method of dynamically delaying a clock signal
01/21/1986US4565992 Analog to digital converter
01/21/1986US4565961 Circuit for preserving the magnitude of the dc component in a pulsed current source
01/16/1986WO1986000478A1 Chain code encoder
01/15/1986EP0167713A2 Analogous-digital converter
01/14/1986US4564831 Analog to digital converters for converting a plurality of different input signals
01/14/1986US4564804 Method and apparatus for automatically detecting signal levels
01/08/1986EP0167412A2 Analog-to-digital conversion
01/07/1986US4563670 High speed multiplying digital to analog converter
01/07/1986US4563669 Integrated digital/analog converter
01/07/1986US4563089 Method and apparatus for converting spectral and light intensity values directly to digital data
01/02/1986EP0166592A2 Encoding method
12/1985
12/31/1985US4562471 Digital circuit for the level alignment of an analog signal
12/31/1985US4562456 Analog-to-digital conversion apparatus including a circuit to substitute calculated values when the dynamic range of the converter is exceeded
12/31/1985CA1198792A1 Measurement of a linear variable differential transformer signal by phase conversion
12/27/1985EP0165553A2 Dual rank sample and hold circuit and method
12/24/1985US4560975 Method of and apparatus for error compensation in electronic analog sensing systems and the like
12/24/1985US4560944 Switching amplifier for digital power amplification
12/24/1985US4560890 High pitting corrosion resistance
12/18/1985EP0165108A1 Ultra-rapid time-numerical converter
12/18/1985EP0165046A2 Pulse generator for generating a train of pulses representing the displacement of a body
12/18/1985EP0164748A2 Method and apparatus for processing an analog signal
12/18/1985EP0164747A2 Successive approximation adc with variable frequency clock
12/17/1985US4559525 Fast indexing encoder apparatus
12/17/1985US4559523 Analog to digital converter
12/17/1985US4559522 Latched comparator circuit
12/17/1985US4559521 Calibration of a multi-slope A-D converter
12/10/1985US4558304 In a positioning system
12/10/1985US4558303 Methods of and apparatus for converting an analogue voltage to a digital representation
12/10/1985US4558301 Voltage-to-frequency and analog-to-digital converter circuit
12/10/1985US4558242 Extended reference range, voltage-mode CMOS D/A converter
12/03/1985US4556900 Signal processing apparatus
12/03/1985US4556870 A-To-d converter of the successive-approximation type
12/03/1985US4556867 Dual rate, integrating, analog-to-digital converter
11/1985
11/27/1985EP0162315A1 Analogous-to-digital converter
11/27/1985EP0162314A1 Analogous-digital converter
11/26/1985US4555692 Error correcting apparatus for systems such as analog to digital converters
11/26/1985CA1197320A1 Adaptive analog-to-digital conversion method and system
11/21/1985EP0161973A1 Comparators with latch circuits, and AD converters using the same
11/21/1985EP0161963A2 Very high speed dichotomy AD converter
11/21/1985EP0161947A2 Integrated circuit having a fuse circuit
11/19/1985US4553848 Method of detecting and evaluating photometric signals and device for carrying out the method
11/19/1985CA1197015A1 1-law/a-law pcm converter
11/12/1985US4553132 Apparatus for matching FET switches as for a video digital-to-analog converter
11/12/1985US4553128 Analog-to-digital converter
11/07/1985WO1985004995A1 Extended threshold analog to digital conversion apparatus for an rf receiver
11/06/1985EP0160557A2 A folding-type analog-to-digital converter
11/06/1985EP0160338A2 A receiver for amplitude modulated signal
11/06/1985EP0160061A1 Positional encoding of rotating members
11/05/1985US4551709 Integrable digital/analog converter
11/05/1985US4551705 Programmable integrated circuit AC resistor network
11/05/1985US4551704 Look-back analog to digital converter
11/05/1985US4551676 Pulse coder using magnetoresistance elements having an improved z-phase signal pattern
10/1985
10/30/1985EP0159709A2 Low power high speed analog to digital converter
10/30/1985EP0159401A1 Measurement apparatus
10/29/1985US4550309 Analog to digital converter
10/29/1985US4550308 Signal converting apparatus
10/29/1985US4550307 Pulse generator
10/23/1985EP0158802A1 Digital acquisition system including a high-speed sampling gate
10/23/1985EP0158781A1 Rotary encoder apparatus
10/22/1985US4549166 Digital-to-analog converter using a feedback element matching technique
10/22/1985US4549165 Dynamic voltage reference apparatus for A/D converters
10/22/1985US4549149 Current to frequency converter switched to increased frequency when current input low
10/16/1985EP0158066A1 Photoelectric pulse generator
10/15/1985US4547766 A-To-D converter of the successive-approximation type
10/15/1985US4547763 MOS Parallel A/D converter
10/15/1985US4547762 Digital to analog converting apparatus
10/15/1985US4547683 Comparator for comparing two or more input voltages