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