| Patents for H03K 21 - Details of pulse counters or frequency dividers (1,950) |
|---|
| 12/24/1980 | WO1980002880A1 Integrated circuit having frequency divider circuit adaptable for high-speed testing |
| 12/16/1980 | CA1091809A1 Combinatorial logic circuit |
| 12/02/1980 | US4237464 Radar antenna employing phase shifted collinear dipoles |
| 12/02/1980 | US4237374 Counting system for counting newspapers or the like |
| 12/02/1980 | US4237373 Magnetic tape running state and tape run amount display device |
| 11/25/1980 | US4236153 Character display device |
| 11/04/1980 | CA1089103A1 Electronic calculator with time counting function |
| 09/23/1980 | US4224506 Electronic counter with non-volatile memory |
| 09/09/1980 | US4222010 Control device for rapidly setting an electronic digital display |
| 07/22/1980 | US4214173 Synchronous binary counter utilizing a pipeline toggle signal propagation technique |
| 07/15/1980 | US4213064 Redundant operation of counter modules |
| 05/13/1980 | US4203030 Method and structure for detecting recycling of polynomial counters |
| 05/06/1980 | US4201907 Totalizer system |
| 04/29/1980 | US4200822 MOS Circuit for generating a square wave form |
| 04/22/1980 | US4198986 Radioactive-ray counting system |
| 04/16/1980 | EP0009870A1 Counter/timer with incremental indicators |
| 04/01/1980 | US4196356 Expanded time constant condition control system |
| 02/19/1980 | US4189635 Self-test circuit apparatus |
| 02/06/1980 | EP0007414A1 Multiplexed multidigital display control method and display operated by this method |
| 01/29/1980 | US4186315 Expanded time constant condition control system using a unidirectional counter with multiple channels |
| 01/22/1980 | US4185210 Contact de-bouncing circuit with common mode rejection |
| 01/08/1980 | US4182961 Inhibitable counter stage and counter |
| 01/01/1980 | US4181963 Electronic calculator with time counting function |
| 01/01/1980 | US4181862 High speed resettable dynamic counter |
| 12/04/1979 | CA1067630A1 Character display device |
| 09/25/1979 | US4169287 Printing integrator |
| 09/11/1979 | CA1062343A1 Frequency correction arrangement |
| 08/14/1979 | US4164730 Externally controllable binary interrogation and decoding circuit, particularly for a remote control load selection system |
| 08/14/1979 | US4164712 Continuous counting system |
| 08/14/1979 | US4164666 Electronic apparatus using complementary MOS transistor dynamic clocked logic circuits |
| 08/07/1979 | US4163946 Noise-immune master timing generator |
| 07/31/1979 | CA1059615A1 Write clock generator for digital time base corrector |
| 07/03/1979 | US4160154 High speed multiple event timer |
| 06/26/1979 | US4159064 Seed planter monitor |
| 06/12/1979 | US4158129 Electronic counter |
| 05/22/1979 | CA1055124A1 Frequency synthesizer |
| 05/15/1979 | US4155044 Variable mode counter |
| 05/08/1979 | US4153847 Logic circuits |
| 05/01/1979 | US4152579 Digital tracking system with analog signal resolution |
| 04/17/1979 | US4150337 Comparator circuit apparatus |
| 04/17/1979 | US4150305 Frequency divider circuits |
| 04/17/1979 | US4150282 Detector for bidirectional movement of an extensible member in an electronic digital scale |
| 03/27/1979 | US4146779 Display controller for time recorders and time actuators |
| 03/27/1979 | CA1051526A1 Circuit arrangement for frequency division of high-frequency pulses |
| 02/20/1979 | US4140897 Electronic digital sequential counters |
| 02/20/1979 | US4140896 Electronic digital tape timer |
| 02/13/1979 | US4139819 Multifunction frequency counter |
| 01/30/1979 | CA1047607A1 Overlapped signal transition counter |
| 01/02/1979 | US4132905 Circuit arrangement for the control of a forward-rearward-counter |
| 12/26/1978 | US4131012 Device for detecting impacts on a target |
| 12/05/1978 | US4128893 Method of and device for analyzing performances in athletic events |
| 11/28/1978 | US4127820 Electrical circuit for multiplexing and dividing different bands or frequencies |
| 10/10/1978 | US4119838 Electronic score-keeper for table tennis |
| 09/19/1978 | US4115687 Circuit arrangement for controlling the pulse repetition frequency of a signal |
| 09/12/1978 | US4114049 Counter provided with complementary field effect transistor inverters |
| 09/05/1978 | US4112429 Multifunction sequence operated integrated switch-display device |
| 08/22/1978 | US4109141 Counter output detector circuit |
| 08/01/1978 | US4104538 Digitally synthesized back-up frequency |
| 07/25/1978 | US4103290 Digital frequency display device |
| 07/25/1978 | US4103187 Power-on reset semiconductor integrated circuit |
| 07/25/1978 | US4103184 Frequency divider with one-phase clock pulse generating circuit |
| 07/25/1978 | US4103148 Dynamic pulse difference circuit |
| 07/18/1978 | US4101838 Clock pulse generating apparatus |
| 07/18/1978 | US4101789 Signal multiplier circuit for a vehicle anti-skid wheel sensor |
| 07/18/1978 | US4101761 Timing pulse generator |
| 05/30/1978 | US4092522 5-Bit counter/shift register utilizing current mode logic |
| 05/16/1978 | US4090133 Digital time interval sensor using a free running counter and a cycle counter with only the latter being reset at each event |
| 05/16/1978 | US4090064 Electronic thermometer decoder and display system |
| 04/25/1978 | US4086473 Display device for electronic apparatus |
| 04/25/1978 | US4086470 Hardware-software counting |
| 04/18/1978 | US4085311 Memory device with error prevention of data during power failure |
| 03/28/1978 | US4081755 Baud rate generator utilizing single clock source |
| 03/28/1978 | US4081661 Flow line counter incorporating programmed reversal circuitry |
| 03/28/1978 | US4081130 Filter-type pulse detection means |
| 03/14/1978 | US4079250 Programmable voltage sensing circuit |
| 02/21/1978 | US4075464 Incrementer/decrementer circuit |
| 02/14/1978 | US4074255 Display excitation and updating circuit |
| 02/07/1978 | US4072904 Presettable rate multiplier |
| 02/07/1978 | US4072854 Sheet counting apparatus |
| 01/03/1978 | US4066875 High speed pulse counter |
| 12/27/1977 | US4065720 Electronic channel selector |
| 12/06/1977 | US4061030 Method and device for correcting the output signal from a digital transducer for measuring a physical magnitude or variable |
| 10/11/1977 | US4053738 Programmable data envelope detector |
| 10/11/1977 | US4052799 Manually indexed visual test recording apparatus |
| 09/20/1977 | US4049951 Data retention apparatus |
| 09/13/1977 | US4048478 Marking apparatus with electronic counters |
| 09/06/1977 | US4047007 Clocked digital counting system |
| 08/16/1977 | US4042808 Particle count correction |
| 07/19/1977 | US4037085 Counter |
| 06/21/1977 | US4031476 Non-integer frequency divider having controllable error |
| 05/24/1977 | US4025866 Open loop digital frequency multiplier |
| 05/03/1977 | US4021647 Electronic monitoring device for power press brakes and similar devices |
| 05/03/1977 | US4021646 Down counter with a tracking 56 input circuit |
| 05/03/1977 | US4021644 Circuit for monitoring the sequence of events at a cashier checkout center |
| 04/19/1977 | US4019028 Printing machine with variable counter control system |
| 04/12/1977 | US4017717 Resolution of ambiguities in counts contained in overlapping bit positions of fine and coarse data measurement digital signals |
| 04/05/1977 | US4016432 Variable rate rotary pulse generator |
| 04/05/1977 | US4015493 Dynamic production counter for a corrugator |
| 03/29/1977 | US4015288 Write clock generator for digital time base corrector |
| 03/29/1977 | US4015208 Frequency generator compensated as a function of at least one physical parameter of the environment |