Patents for H03M 1 - Analogue/digital conversion; Digital/analogue conversion (31,168) |
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05/16/1978 | US4090136 Method and apparatus for coding a signal |
05/09/1978 | US4088993 Device for encoding a plurality of analogical signals |
05/09/1978 | US4088905 Self-adjusting compatibility circuit for digital to analog converter |
05/02/1978 | US4087813 Circuit for producing direct voltages from pulses |
05/02/1978 | US4087812 Digital-to-analog and analog-to-digital converter circuit |
05/02/1978 | US4087796 Analog-to-digital conversion apparatus |
04/25/1978 | USRE29619 Constant-current digital-to-analog converter |
04/25/1978 | US4086656 Analog-to-digital integrating apparatus with pulse density conversion prior to accumulation |
04/25/1978 | US4086580 Digital altitude encoder |
04/25/1978 | US4086579 Video digital display device with analog input |
04/25/1978 | US4086488 Digital pressure gauge system |
04/18/1978 | US4085459 Multivalued data memory system using a charge coupled element |
04/18/1978 | US4085372 Channel selecting apparatus for a television receiver with an electronic tuner |
04/18/1978 | US4085340 Range switching transient eliminator circuit |
04/11/1978 | US4084111 Apparatus for the digital control of analog signal |
04/11/1978 | US4083430 Apparatus for determining the location of an elevator car or similar vehicle |
04/04/1978 | US4083045 Mos analog to digital converter |
04/04/1978 | US4083044 Unipolar wide-range current-to-frequency converter |
04/04/1978 | US4083043 High speed monolithic a/d converter utilizing strobe comparator |
04/04/1978 | US4082998 Dual slope integration circuit |
04/04/1978 | US4082942 Process control system with signal conversion to standard intermediate signals carrying data as a function of time duration |
04/04/1978 | CA1029103A1 Analog signal sample amplifier with automatic gain control and error compensation |
03/28/1978 | US4081800 Analog-to-digital converter |
03/21/1978 | US4079627 Absolute digital position measurement system |
03/14/1978 | US4079374 Digital resolver-tracking loop |
03/14/1978 | US4079373 Digital-to-analog conversion apparatus using temperature compensated feedback output amplifier |
03/14/1978 | US4079360 Magnetic field sensing apparatus |
03/07/1978 | US4078232 Optical analog to digital converter |
02/28/1978 | US4077035 Two-stage weighted capacitor circuit for analog-to-digital and digital-to-analog converters |
02/21/1978 | US4075701 Method and circuit arrangement for adapting the measuring range of a measuring device operating with delta modulation in a navigation system |
02/21/1978 | US4075698 Digital phase measurement system |
02/21/1978 | US4075623 Reference voltage circuit |
02/21/1978 | US4075577 Analog-to-digital conversion apparatus |
02/14/1978 | US4074260 Analog-to-digital converter |
02/14/1978 | US4074259 Process for analog/digital conversion |
02/14/1978 | US4074258 Device for reading displacements of a movable member |
02/14/1978 | US4074257 Auto-polarity dual ramp analog to digital converter |
02/07/1978 | US4072940 Digital to analog resolver converter |
02/07/1978 | US4072939 Analog-to-digital and digital-to-analog converter circuits employing charge redistribution |
02/07/1978 | US4072938 Bucket brigade analog-to-digital converter |
01/31/1978 | US4071901 Analog-to-digital conversion means and associated lag compensated apparatus |
01/24/1978 | US4070707 Reduction of offsets in data acquisition systems |
01/24/1978 | US4070667 Charge transfer analog-to-digital converter |
01/24/1978 | US4070666 Automatic polarity sensing analog-to-digital converter |
01/24/1978 | US4070665 High accuracy digital to analog resolver converter |
01/17/1978 | US4069479 High speed, wide dynamic range analog-to-digital conversion |
01/17/1978 | US4069396 Power saving circuit for use with a converter circuit in a telephone switching installation |
01/10/1978 | US4068306 X-ray data acquisition system and method for calibration |
01/10/1978 | US4068229 High speed coding system for PCM signals with coarse and fine coding in an overlapping range |
01/10/1978 | US4068228 Multiple channel amplifier |
01/03/1978 | US4066919 Sample and hold circuit |
12/27/1977 | US4065766 Analog-to-digital converter |
12/20/1977 | US4064515 Analog to digital converter for a plurality of analog channels |
12/20/1977 | US4064506 Current mirror amplifiers with programmable current gains |
12/20/1977 | US4064504 Digital coding of angles |
12/13/1977 | US4063236 Analog-digital converter |
12/06/1977 | US4062013 Non-linear type digital-to-analog converter |
12/06/1977 | US4062005 Synchro-to-digital converter employing common processing apparatus |
12/06/1977 | US4061431 Light measuring and indicating circuit |
11/15/1977 | US4058808 High performance analog to digital converter for integrated circuits |
11/15/1977 | US4058806 Analog/digital converter |
11/15/1977 | US4058772 Method of and apparatus for converting a plural-bit digital signal to a pulse width modulated signal |
11/08/1977 | US4057796 Analog-digital converter |
11/08/1977 | US4057795 Analog-to-digital encoder |
11/01/1977 | US4056820 Reversible analog to digital converter |
11/01/1977 | US4056740 Differential input-differential output transistor switching cell |
10/25/1977 | US4055801 Automatic electronic test equipment and method |
10/25/1977 | US4055773 Multistage electrical ladder for decrementing a signal into a plurality of weighted signals |
10/18/1977 | US4054860 Hall effect rotary switch |
09/27/1977 | US4051470 Process for block quantizing an electrical signal and device for implementing said process |
09/27/1977 | US4051469 Charge-coupled amplifier |
09/20/1977 | US4050065 Dual slope analog to digital converter with delay compensation |
09/20/1977 | US4050062 System for digitizing and interfacing analog data for a digital computer |
09/13/1977 | US4048635 Monitor system |
09/06/1977 | US4047113 Feedback circuitry for charge digitizer |
09/06/1977 | US4047025 Position indicating system and methods |
08/30/1977 | US4045793 Digital to analog converter |
08/30/1977 | US4045658 Digitized linearizing correction apparatus with frequency modulation |
08/09/1977 | US4041484 Analog-to-digital converter using common circuitry for sample-and-hold and integrating functions |
08/09/1977 | US4041483 Absolute incremental hybrid shaft position encoder |
08/09/1977 | US4041289 Digital scale or weighing apparatus |
07/19/1977 | US4037219 Meter dial encoder for remote meter reading |
07/19/1977 | US4037153 Digital meters |
07/05/1977 | US4034367 Analog-to-digital converter utilizing a random noise source |
07/05/1977 | US4034366 Analog-to-digital converter with controlled ladder network |
07/05/1977 | US4034365 Most restrictive digital to analog converter |
07/05/1977 | US4034364 Analog-digital converter |
07/05/1977 | US4034363 Real time data rate quantizer and analog-to-digital converter system |
07/05/1977 | US4034294 Decoder with reaction time compensation |
06/28/1977 | US4032914 Analog to digital converter with noise suppression |
06/28/1977 | US4032913 Coding equipment providing compressed code |
06/28/1977 | US4032839 Current scaling circuits |
06/28/1977 | US4032797 Quantising circuit |
06/21/1977 | US4031533 Differential floating dual slope converter |
06/21/1977 | US4031532 Voltage to frequency converter |
06/21/1977 | US4031531 Synchro-to-digital converter |
06/21/1977 | US4031530 Digital second-order clock linearizer |
06/21/1977 | US4030363 Electronic thermometer |
06/14/1977 | US4030092 Digital to analog converter using recirculating shift register |
06/14/1977 | US4029974 Apparatus for generating a current varying with temperature |