Patents
Patents for H03K 21 - Details of pulse counters or frequency dividers (1,950)
07/1988
07/12/1988US4757522 Counting circuit employing more equatably used plural counters for extended life
07/12/1988CA1239235A1 Sequential selection circuit
06/1988
06/29/1988EP0272288A1 Testable multi-mode counter network and method for operating its test.
06/14/1988US4751631 Apparatus for fast generation of signal sequences
05/1988
05/17/1988US4745630 Multi-mode counter network
05/05/1988DE3718225A1 Circuit arrangement for pulse counting circuits
04/1988
04/26/1988US4741005 Counter circuit having flip-flops for synchronizing carry signals between stages
03/1988
03/09/1988EP0258458A1 Counting circuit
03/02/1988EP0257363A1 Method and device for increasing the counting cycle possibilities of a non-volatile digital counter
02/1988
02/23/1988US4727559 Weighted event counting circuit
01/1988
01/28/1988WO1988000775A1 An electronic counter
01/28/1988WO1987007968A3 Multi-mode counter network
12/1987
12/30/1987WO1987007992A1 Look ahead terminal counter
12/30/1987WO1987007968A2 Multi-mode counter network
12/29/1987US4716406 Sequential selection circuit
12/15/1987US4713832 Programmable divider up/down counter with anti-aliasing feature and asynchronous read/write
12/08/1987US4712195 For connection to a source of supply voltage
11/1987
11/11/1987EP0244642A2 Solid-state cumulative operation measurement system
10/1987
10/20/1987US4700568 Pulse accumulator network adapted for use in a flow monitoring system
09/1987
09/11/1987WO1987005453A1 Counting circuit
09/10/1987DE3604160A1 Auxiliary device in connection with an electronic counter control device
09/01/1987US4691331 Self-correcting frequency dividers
08/1987
08/27/1987DE3605722A1 Pulse circuit for electronic pulse counters
08/25/1987US4689575 Clock synchronization circuit for a computer timer
08/18/1987US4688236 Process for the use of a binary register with n bistable cells making it possible to determine the ratio of two frequencies and apparatus for performing the process
07/1987
07/21/1987US4682287 Electronic odometer
07/15/1987EP0228685A2 Phase adjustment system
07/15/1987EP0228433A1 Frequency dividing arrangements.
06/1987
06/10/1987EP0224493A1 Universal vertical countdown and method for video display
06/02/1987US4670676 Reset circuit
05/1987
05/26/1987US4669098 Increased resolution counting circuit
05/12/1987US4665497 Electronic odometer
05/05/1987US4663770 Non-volatile counting circuit and method which provides for extended counter life
03/1987
03/26/1987WO1987001884A1 Circuit for adding, storing and reproduction of electrical counting pulses
03/17/1987US4651103 Phase adjustment system
03/05/1987DE3530835A1 Counting circuit
03/04/1987EP0212987A2 Improvements in or relating to prescalers
01/1987
01/21/1987EP0209313A2 Clock synchronization circuit for a timer
01/20/1987US4638457 Method and apparatus for the non-volatile storage of the count of an electronic counting circuit
01/15/1987WO1987000365A1 Frequency dividing arrangements
01/14/1987EP0208602A1 Method for using an N bistable cells binary register in the ratio mesasurement of two frequencies, and apparatus for carrying out this method
12/1986
12/10/1986EP0204588A2 Digital Timer
12/03/1986EP0203409A1 Method and apparatus for the non-volatile storage of the counting state of a digital counter
12/03/1986EP0203096A1 Self-correcting frequency dividers.
11/1986
11/26/1986CN86102912A Universal vertical countdown and method for video display
11/25/1986US4625321 Dual edge clock address mark detector
11/20/1986WO1986006909A1 Universal vertical countdown and method for video display
11/18/1986US4623846 Constant duty cycle, frequency programmable clock generator
11/11/1986US4622686 Up/down counter interface means
10/1986
10/14/1986US4617639 Hour meter apparatus and method
10/01/1986EP0195885A2 Method and device for the non-volatile memorizing of the counting state of an electronic counter circuit
08/1986
08/12/1986US4606057 Arrangement for checking the counting function of counters
08/12/1986US4605965 Universal vertical countdown and method for video display
06/1986
06/04/1986EP0182999A1 Self-arming, prescaling frequency counter system
05/1986
05/27/1986US4592078 Up/down counter control circuit
05/14/1986EP0180680A1 Counting circuit, in particular for an incremental sensor and capable of cooperating with an eight or sixteen bits processor
05/13/1986CA1204274A1 Process of afterburning and purifying process exhaust gases
05/09/1986WO1986002793A1 Self-correcting frequency dividers
05/06/1986US4587665 Binary counter having buffer and coincidence circuits for the switched bistable stages thereof
04/1986
04/01/1986US4580281 Self-arming, prescaling frequency counter system
03/1986
03/18/1986US4577336 Integrable frequency divider circuit having a feedback controlled differential amplifier as its preamplifier circuit
02/1986
02/27/1986WO1986001320A1 Hourmeter apparatus and method
12/1985
12/17/1985US4559637 Tamper proof digital value accumulator and display method and apparatus
12/10/1985US4558457 Counter circuit having improved output response
11/1985
11/27/1985EP0162605A1 Sequential selection circuits
10/1985
10/22/1985CA1195739A1 Level sensitive reset circuit for digital logic
10/16/1985EP0158512A2 Reset circuit
09/1985
09/17/1985US4542518 Electronic blood cell counter
09/10/1985CA1193333A1 Counter circuit for counting high frequency pulses
09/03/1985US4539188 Combustion in a fluidized bed, pollution control
07/1985
07/30/1985US4532643 Bidirectional one-half rate counter
07/16/1985US4530108 Counter for non-volatile storage
07/16/1985US4530106 Counter device for use in tape recorder
07/09/1985US4528683 Circuit for storing a multi-digit decimal numerical value of the distance traversed by a vehicle
06/1985
06/25/1985US4525641 Flip-flop programmer using cascaded logic arrays
06/04/1985US4521897 Apparatus for synchronizing the operation of master and slave counters
06/04/1985CA1188376A1 Gating circuit for a universal counter
05/1985
05/29/1985EP0142738A1 Electronic counter
05/21/1985US4519091 Data capture in an uninterrupted counter
05/08/1985EP0139770A1 Electronic odometer
04/1985
04/23/1985US4513432 Multiple self-contained logic gate counter circuit
04/17/1985EP0137338A2 Method for the ultrasonic measuring of fluid-flow velocities
04/16/1985US4512029 Non-volatile decade counter using Johnson code or equivalent
04/16/1985US4511993 Arrangement for reading out defined data from a digital switching device with mutually asynchronous control signals for sequential switching of the device and transfer of the data
04/10/1985EP0136735A1 Arrangement for checking the counting function of counters
03/1985
03/06/1985EP0133735A2 N-bit counter apparatus
03/05/1985US4503548 Timer with fast counter interrupt
02/1985
02/26/1985US4502146 Adjustment of electronic ski binding circuitry
02/26/1985US4502014 Coincident pulse cancelling circuit
02/12/1985US4499589 Counter circuit for counting high frequency pulses using the combination of a synchronous and an asynchronous counter
02/05/1985US4498106 Pulse generator for solid-state television camera
01/1985
01/15/1985US4494079 Microprocessor controlled phase locked loops
01/08/1985US4493095 Counter having a plurality of cascaded flip-flops
12/1984
12/18/1984US4489424 Frequency divider making use of Josephson junction circuits
12/18/1984US4489422 Timing system
12/18/1984US4489279 Variable-frequency oscillator having a crystal oscillator
11/1984
11/28/1984EP0028625B1 Bidirectional integrator
11/08/1984WO1984004381A1 Electronic odometer
10/1984
10/16/1984US4477920 Variable resolution counter
10/16/1984US4477918 Multiple synchronous counters with ripple read
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