| Patents for H03K 21 - Details of pulse counters or frequency dividers (1,950) |
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| 03/22/1977 | US4013902 Initial reset signal generator and low voltage detector |
| 03/15/1977 | US4012698 Device for obtaining a jitterstable synchronization of a counter |
| 03/08/1977 | US4011516 Frequency correction arrangement |
| 03/08/1977 | US4011002 Electronic device for detecting the energized state of a liquid crystal display cell |
| 02/22/1977 | US4009445 Divider for an electronic timepiece |
| 02/22/1977 | US4009443 Method and apparatus for providing primary coincidence correction during particle analysis utilizing time generation techniques |
| 02/22/1977 | US4009374 Pseudo-random bidirectional counter |
| 02/22/1977 | US4009371 Averaging counter |
| 02/08/1977 | US4007358 Count control system for coin counting machine |
| 02/08/1977 | US4006583 Electronic display device for timepiece and the like |
| 01/04/1977 | US4001809 Display device including circuits for driving loads such as electrophoretic displays |
| 01/04/1977 | US4001553 Counter arrangement and associated test circuit for an electronic timing device |
| 11/30/1976 | US3995266 Device for setting an electric command variable |
| 11/16/1976 | US3992635 N scale counter |
| 11/16/1976 | US3992611 Plus five and invert algorithm |
| 10/26/1976 | US3988575 Magnetic-doughnut memorizing device for counting system |
| 09/21/1976 | US3982199 Digital frequency synthesizer |
| 09/21/1976 | US3982108 High-speed counter with reliable count extraction system |
| 09/14/1976 | US3980868 Digital yacht racing timing system |
| 09/14/1976 | US3980867 Traffic signal loop monitoring system |
| 09/07/1976 | US3979681 System and method for decoding reset signals of a timepiece for providing internal control |
| 09/07/1976 | US3978727 Method and device for correcting the output signal from a digital transducer for measuring a physical magnitude or variable |
| 08/31/1976 | US3978413 Modulus counter circuit utilizing serial access |
| 08/31/1976 | US3978321 Portable hand-carried automobile counting device |
| 08/24/1976 | US3976945 Frequency synthesizer |
| 07/27/1976 | US3971994 Frequency comparison circuit |
| 06/29/1976 | US3967205 Frequency dividing network with odd integral step-down ratio |
| 06/29/1976 | US3967095 Multi-counter register |
| 06/15/1976 | US3964059 Method and apparatus for statistical counting |
| 06/08/1976 | US3962701 Coded counting sequence and logic implementation thereof to drive a display pattern |
| 06/08/1976 | US3962567 Digital display apparatus having jitter correction |
| 06/08/1976 | US3962565 Apparatus for presetting a counter to a given initial count |
| 05/11/1976 | US3956616 Method and apparatus for generating a statistical basis |
| 04/13/1976 | US3950737 Nonvolatile counter circuit |
| 04/06/1976 | US3949310 Counting element for the structure of synchronous modulo-n or 2m counters |
| 04/06/1976 | US3949199 Pulse width decoder |
| 03/23/1976 | US3946219 Multiple purpose electronic counting system |
| 03/23/1976 | US3946210 Resettable electronic counter employing a calculator chip |
| 03/23/1976 | US3946209 High frequency counter having signal level sensitivity |
| 03/16/1976 | US3944794 Copying system control |
| 03/09/1976 | US3943500 Seven-segment display arrangement and liquid fuel dispensing pump embodying the same |
| 03/09/1976 | US3943380 Keyed comparator |
| 03/09/1976 | US3943379 Symmetrical odd modulus frequency divider |
| 02/24/1976 | US3940595 Electronic thermometer decoder and display system |
| 02/10/1976 | US3938038 Method and apparatus for providing primary coincidence correction during particle analysis |
| 02/10/1976 | US3937932 Digital frequency generator |
| 02/03/1976 | US3936757 Automatic gate control system |
| 02/03/1976 | US3936741 Method and apparatus for providing primary coincidence correction during particle analysis utilizing time generation techniques |
| 02/03/1976 | US3936739 Method and apparatus for generating error corrected signals |
| 01/06/1976 | US3931531 Overlapped signal transition counter |