Patents
Patents for H03K 21 - Details of pulse counters or frequency dividers (1,950)
10/1984
10/16/1984CA1176319A1 Logic circuit
09/1984
09/19/1984EP0118931A1 Afterburning and cleaning proces of off-gases
09/19/1984EP0030564B1 Integrated circuit having frequency divider circuit adaptable for high-speed testing
08/1984
08/14/1984CA1172762A1 Evaluation circuit for a digital tachometer
07/1984
07/04/1984EP0112354A1 Level sensitive reset circuit for digital logic
06/1984
06/27/1984EP0111630A2 Flip-flop programmer using cascaded logic arrays
04/1984
04/18/1984EP0105378A1 Up/down counting arrangements
04/17/1984US4443887 Frequency-dividing circuit
03/1984
03/27/1984US4439729 Evaluation circuit for a digital tachometer
03/20/1984US4438357 Level sensitive reset circuit for digital logic
02/1984
02/21/1984US4433372 Integrated logic MOS counter circuit
01/1984
01/31/1984US4429236 Apparatus for generating pulses upon decreases in supply voltage
01/05/1984WO1984000088A1 Level sensitive reset circuit for digital logic
12/1983
12/27/1983US4423337 Gate circuit for a universal counter
12/20/1983US4422038 Integrated circuit with frequency-dividing circuits capable of being tested at a high speed
11/1983
11/22/1983US4417135 Power saving electronic counter circuit for tape recorder
11/08/1983US4414678 Electronic up-down conting system with directional discriminator
10/1983
10/26/1983EP0092464A1 Counter with non-volatile preservation of its contents
10/13/1983WO1983003502A1 Up/down counter control circuit
10/11/1983US4409555 Quadrature stepwave frequency converter
10/05/1983EP0090182A1 Proximity adjustment means
10/04/1983US4408336 High speed binary counter
09/1983
09/20/1983US4406014 Switched frequency divider
08/1983
08/16/1983US4399549 Odd number frequency division with symmetrical output
08/16/1983CA1152210A1 Time counting clock generator
08/02/1983US4396829 Logic circuit
05/1983
05/03/1983CA1145857A1 Refresh counter
04/1983
04/27/1983EP0077500A2 Integrable frequency divider
04/19/1983CA1144993A1 Delay circuit
03/1983
03/22/1983US4377740 Initializing circuit arrangement for a counter circuit
03/22/1983CA1143479A1 Noise eliminator circuit
01/1983
01/26/1983EP0070461A2 Non-volatile memory counter
01/25/1983US4370549 Electronic counter circuit for tape recorder
01/18/1983US4369379 CMOS Frequency divider circuit having invalid signal override
12/1982
12/29/1982EP0067925A2 Circuit for storing a multidigit decimal value corresponding to the distance covered by a vehicle
12/28/1982US4366394 Divide by three clock divider with symmetrical output
12/22/1982EP0067364A2 Method and arrangement for a non-volatile storage of the counting state of an electronic counter
12/14/1982CA1137596A1 Expanded time constant condition control system using a unidirectional counter with multiple channels
12/08/1982EP0065998A1 Pulse detection circuit
12/07/1982US4363048 Time counting clock generator
11/1982
11/17/1982EP0064590A1 High speed binary counter
11/17/1982EP0064574A2 Arrangement for reading unambiguous information from a sequential digital system by means of mutual asynchronous control signals for relaying the sequential logic system and for receiving the information
11/09/1982US4358839 Absolute digital clock system
10/1982
10/20/1982EP0062768A1 Circuitry for monitoring switching devices
10/20/1982EP0062698A2 Evaluation circuit for a digital rotational speed transducer
10/05/1982CA1133141A1 Totalizer system
09/1982
09/28/1982US4352062 Digital display type tachometer for an automobile
09/21/1982CA1132203A1 Frequency divider
09/07/1982US4348737 Multiple-function programmable logic arrays
09/07/1982US4348640 Divide by three clock divider with symmertical output
08/1982
08/11/1982EP0057314A1 LSI timing circuit for a digital display employing a modulo eight counter
07/1982
07/27/1982US4341950 Method and circuitry for synchronizing the read and update functions of a timer/counter circuit
06/1982
06/22/1982US4336448 Binary counter and circuit for testing same
06/08/1982US4334194 Pulse train generator of predetermined pulse rate using feedback shift register
06/08/1982US4334149 Tape recorder with display showing tape travel direction
05/1982
05/25/1982US4331925 False count correction in feedback shift registers and pulse generators using feedback shift registers
05/11/1982CA1123209A1 Real time clock using computer and separate counting means
05/05/1982EP0051019A1 Counting device for high-frequency pulses
04/1982
04/06/1982US4323982 Logic circuit arrangement in the integrated MOS-circuitry technique
04/06/1982CA1121509A1 Antenna for use with a range-gated, pulse doppler radar system
03/1982
03/16/1982CA1120141A1 Expanded time constant condition control system using a unidirectional counter
03/09/1982CA1119730A1 Electronic counter with non-volatile memory
02/1982
02/23/1982CA1118921A1 Counter/timer with incremental indicators
02/09/1982US4315165 Frequency divider
02/02/1982US4314161 Integrated shift register
01/1982
01/26/1982CA1117191A1 Synchronous binary counter utilizing a pipeline toggle signal propagation technique
01/12/1982CA1116273A1 Expanded time constant condition control system
01/05/1982US4309623 Power source device for electronic counting system
01/05/1982US4309598 Variable rate data entry apparatus and method
12/1981
12/10/1981EP0028625A4 Bidirectional integrator.
12/08/1981US4304988 Battery powered electronic counter
12/01/1981US4303850 Real time clock using computer and separate counting means
11/1981
11/10/1981US4300100 Circuit arrangement for correlating several isofrequentially stepped counting chains
10/1981
10/27/1981CA1111510A1 Circuit arrangement for frequency division
10/20/1981US4296480 Refresh counter
10/13/1981US4295037 Production counter apparatus
10/13/1981CA1110716A1 Continuous counting system
09/1981
09/22/1981US4291221 Digital semiconductor circuit
09/08/1981US4288734 Bidirectional integrator
08/1981
08/04/1981US4282513 Process and arrangement for the electronic control of the input pulses of a manually rotatable pulse generator into an electronic counter
08/04/1981US4282488 Noise eliminator circuit
07/1981
07/14/1981US4278898 Frequency comparator for electronic clocks
07/14/1981CA1104840A1 Adjusting device for an electronic digital display
07/08/1981EP0031638A2 A logic circuit
06/1981
06/25/1981WO1981001762A1 Quadrature stage frequency converter
06/24/1981EP0030564A1 Integrated circuit having frequency divider circuit adaptable for high-speed testing
06/16/1981CA1103318A1 Hardware-software counting
06/16/1981CA1103044A1 Electronic digital tape timer
05/1981
05/26/1981CA1101958A1 Impact detecting device on a target
05/20/1981EP0028625A1 Bidirectional integrator.
05/05/1981CA1100592A1 Programmable voltage sensing circuit
04/1981
04/28/1981US4264864 Programmable binary counter
04/07/1981CA1098974A1 Multiplexing and dividing circuit
03/1981
03/17/1981CA1097753A1 Pulse controlled switching circuits
02/1981
02/10/1981CA1095605A1 Apparatus for monitoring operation of machine tools
02/03/1981US4249070 Counter/timer with incremental indicators
01/1981
01/20/1981CA1094172A1 Digitally synthesized back-up frequency
01/06/1981CA1093161A1 Counting circuits for multifrequency tone detectors
12/1980
12/30/1980US4242601 Circuit arrangement for frequency division
12/24/1980WO1980002893A1 Bidirectional integrator
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