Patents
Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168)
06/1977
06/14/1977US4029949 Servo-controlled microscope stage
06/07/1977US4028694 D and da converter using c-2c ladder network
05/1977
05/31/1977US4027152 Apparatus and method for transmitting binary-coded information
05/24/1977US4025914 Digital signal generator
05/17/1977US4024533 Ratiometric analog-to-digital converter
05/10/1977US4023160 Analog to digital converter
05/10/1977US4023159 Non-linear analogue-digital converter
05/10/1977US4023100 Transformer for d-c signals
05/03/1977US4021800 Non-linear coder for pulse code modulation of telephone signals or the like
04/1977
04/26/1977US4020487 Analog-to-digital converter employing common mode rejection circuit
04/26/1977US4020486 Solid state digital-to-analog converter
04/26/1977US4020485 Non-linear digital-to-analog converter for servo circuit
04/26/1977US4020292 Band-compressor device
04/19/1977US4019146 Circuit arrangement for storing an electrical analog signal
04/12/1977US4017846 Synchro-to-digital converter
04/12/1977US4017796 Electrical circuit means for use in analogue display and/or control systems
04/12/1977US4017720 Four quadrant analog by digital multiplier
04/05/1977US4016559 Digital-to-analog converter having transient suppressor system
04/05/1977US4016558 Apparatus for converting a plurality of signals representative of digital bits of information to an analog signal
04/05/1977US4016557 Automatic gain controlled amplifier apparatus
04/05/1977US4016556 Optically encoded acoustic to digital transducer
04/05/1977US4016555 Signal converter
04/05/1977US4016483 Microminiature integrated circuit impedance device including weighted elements and contactless switching means for fixing the impedance at a preselected value
03/1977
03/29/1977US4015253 Rotary digital channel selection apparatus
03/29/1977US4015251 Circuit arrangement for the digitalization of an angle or rotation
03/29/1977US4015192 Voltage generating system
03/22/1977US4014023 Beam former utilizing geometric sampling
03/22/1977US4014015 Absolute digital position measurement system
03/22/1977US4014014 Synchronized multispeed transducer position indicating system
03/08/1977US4011500 Physical displacement sensing with differential capacitor
03/08/1977US4011448 Linear shaft encoder
03/01/1977US4010464 Magnetically operated reed switch type digital encoder
03/01/1977US4010463 Phase locked loop resolver to digital converter
03/01/1977US4010462 Seismic playback system
03/01/1977US4010422 Transmitter for forming non-linear pulse code modulated samples of analog signals by timing the integral of signal samples
02/1977
02/22/1977US4009414 Bar display with scale markers
02/22/1977US4009372 A converter to translate digital control signals from a digital computer to analog signals for operating process control devices
02/15/1977US4008468 Analogue-to-digital converter with controlled analogue setting
02/01/1977US4006475 Digital-to-analog converter with digitally distributed amplitude supplement
01/1977
01/25/1977US4005410 Analogue-to-digital-converters
01/25/1977US4005408 Multiple electron beam analog to digital converter
01/25/1977US4005407 Cathode ray tube digitizer
01/25/1977US4005406 Digital-analog converter
01/25/1977US4005396 Digital displacement sensor with zigzag coils
01/18/1977US4004137 Readout apparatus for frequency or period-analog measuring signals
01/04/1977US4001813 Precision capacitance to digital conversion system
01/04/1977US4001812 Method of and means for quantizing analog-voltage samples
01/04/1977US4001699 Bar graph digital interface circuit
01/04/1977US4001697 Linear a.c. measurements
01/04/1977US4001604 Peak value detector
12/1976
12/21/1976US3999181 Non-linear digital-to-analog convertor
12/21/1976US3999129 Method and apparatus for error reduction in digital information transmission systems
12/21/1976US3999123 Digital voltage level measuring device
12/21/1976US3999022 Electrical brush sensor apparatus useful for analog-to-digital converters
12/21/1976US3998088 Testing apparatus for incremental shaft encoder
12/14/1976US3997894 Analog-to-digital converter with electro-optical coding
12/14/1976US3997893 Synchro digitizer
12/14/1976US3997892 Digital to analog converter with improved companding
12/14/1976US3997764 Method for the conversion of a frequency into a number
11/1976
11/30/1976US3995267 Digital to analog converter with system gain insensitivity
11/30/1976US3995266 Device for setting an electric command variable
11/30/1976US3995265 Analogue divider with digital output for spectrophotometry
11/30/1976US3995227 Analog signal sample amplifiers
11/23/1976US3993993 Digital-to-synchro converter
11/23/1976US3993992 Circuit arrangement for converting analog signals into PCM signals and PCM signals into analog signals
11/16/1976US3992113 Photometer circuitry for the digital indication of the light absorption of a test sample
11/09/1976US3991323 Pulse duration to current converter
11/09/1976US3991301 Logarithmic frequency to voltage converter
11/09/1976US3990799 Digital exposure meter
11/02/1976US3990073 Digital signal processing arrangement using a cascaded integrator function generator
11/02/1976US3990062 Resolver to digital converter
11/02/1976US3990027 Channel selector for electronic tuner having channel voltages stored in memory
10/1976
10/19/1976US3987436 Digital-to-analog decoder utilizing time interpolation and reversible accumulation
10/19/1976US3987435 Analog-to-digital converter utilizing time reference for effecting conversion
10/19/1976US3987434 Angular deviation signal generator
10/19/1976US3987392 Luminescent voltage indicator circuit
10/19/1976US3987280 Digital-to-bandpass converter
10/12/1976US3985423 Optical digital to analog converter
10/05/1976US3984832 Series current analog to digital converter
10/05/1976US3984831 Tracking digital angle encoder
10/05/1976US3984830 Complementary FET digital to analog converter
10/05/1976US3984829 Circuit arrangement for converting analog signals into PCM signals and PCM signals into analog signals
10/05/1976US3984690 Circuitry for use with an ionizing-radiation detector
10/05/1976US3984672 Solid state translator
09/1976
09/28/1976US3983419 Analog waveform transducing circuit
09/28/1976US3983391 Optical encoder of the reflective type
09/21/1976US3982241 Self-zeroing analog-to-digital conversion system
09/21/1976US3982240 Bipolar A/D converter using two comparators
09/21/1976US3982196 Differential voltage amplifier
09/21/1976US3982172 Precision current-source arrangement
09/21/1976US3982106 System for measuring the longitudinal or angular displacement of a movable component
09/14/1976US3981006 D converter and monostable control circuit
09/14/1976US3981005 Transmitting apparatus using A/D converter and analog signal compression and expansion
09/07/1976US3979745 System and method for linearizing analog measurements during analog-to-digital conversion
08/1976
08/31/1976US3978473 Integrated-circuit digital-to-analog converter
08/31/1976US3978472 Digital volt-ohmmeter
08/31/1976US3978471 Digital thermometer using a dual slope a/d converter without a high precision voltage source
08/31/1976US3978402 Apparatus for producing an electrical output signal whose magnitude is linearly representative of the value of an unknown resistance
08/24/1976US3976997 Digital plus analog output encoder
08/24/1976US3976896 Reference voltage sources