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