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