Patents
Patents for H03K 23 - Pulse counters comprising counting chains; Frequency dividers comprising counting chains (2,815)
07/1989
07/06/1989DE3743384A1 Modulo-10 counter
07/04/1989US4845728 VLSI binary updown counter
07/04/1989US4845727 Divider circuit
06/1989
06/15/1989WO1989005546A1 Improvements in or relating to flip-flops
06/14/1989EP0319778A2 Data-receiving apparatus
06/13/1989US4839909 Register access decade counting technique
06/06/1989US4837791 Counter
06/06/1989US4837721 Digital divider with integer and fractional division capability
05/1989
05/09/1989CA1253925A1 Self-correcting frequency dividers
04/1989
04/26/1989EP0313178A2 Circuit and method for performing clock division and clock synchronization
04/11/1989US4820993 Digital phase lock loop
04/04/1989US4819201 Asynchronous FIFO device comprising a stack of registers having a transparent condition
03/1989
03/29/1989EP0191781A4 Field presettable electronic usemeter.
03/21/1989US4815114 Elementary binary counter, synchronous binary counter and frequency divider in which said elementary counter is employed
03/14/1989US4812906 Circuit arrangement for frequency division
03/08/1989CN1003552B Divide-by-fraction frequency divider circuit designed in manner of rate multiplier
03/07/1989CA1250908A1 High speed counter
02/1989
02/21/1989US4807266 Circuit and method for performing equal duty cycle odd value clock division and clock synchronization
12/1988
12/28/1988CN86208906U Non-symmetrical circular pulse controller
12/27/1988US4794628 Counter circuit with mislatching prevention
11/1988
11/29/1988US4788662 Semiconductor memory device using resonant-tunneling hot electron transistor
11/23/1988EP0292002A2 Frequency dividing apparatus for high frequency
11/17/1988EP0291335A2 Generating clock pulses
11/03/1988DE3713940A1 Method and circuit arrangement for incrementing and decrementing events by means of an up/down counter
10/1988
10/25/1988US4780896 High speed digital counter slip control circuit
10/25/1988US4780894 N-bit gray code counter
10/25/1988US4780890 High-speed pulse swallower
10/19/1988EP0287053A2 Method and circuit arrangement for the digital tuning of a control frequency
10/04/1988CA1242771A1 Combinational logic structure using pass transistors
09/1988
09/07/1988EP0281094A2 Counter
08/1988
08/31/1988EP0280126A2 Programmable frequency divider for generating a low-frequency signal from a high-frequency signal
08/30/1988CA1241383A1 Frequency divider circuit arrangement
07/1988
07/19/1988US4759044 Simplified synchronous forward/backward binary counter
07/19/1988US4759043 CMOS binary counter
07/19/1988US4758737 Clock generator circuit
07/05/1988US4756013 Multi-function counter/timer and computer system embodying the same
06/1988
06/23/1988DE3643947A1 Circuit arrangement for the digital calibration of radio-frequency oscillators
06/08/1988EP0270191A2 Divider circuit
05/1988
05/31/1988US4748347 Logic coincidence gate, triplet of logic gates and sequential logic circuit using this logic gate
05/11/1988EP0266866A2 Dual mode-increment/decrement N-bit counter register
05/10/1988EP0168426A4 Multiple frequency digital phase locked loop.
05/04/1988EP0266267A1 Sequential memory addressing method
04/1988
04/26/1988US4741006 Up/down counter device with reduced number of discrete circuit elements
04/26/1988US4741005 Counter circuit having flip-flops for synchronizing carry signals between stages
04/26/1988US4741004 High-speed programmable divide-by-N counter
04/13/1988EP0263377A2 High-speed pulse swallower
03/1988
03/09/1988EP0258458A1 Counting circuit
03/08/1988US4730349 Wideband frequency divider
02/1988
02/16/1988USRE32605 Frequency divider
02/16/1988US4726045 Low jitter digital delay generator
02/02/1988US4723258 Counter circuit
01/1988
01/28/1988WO1988000775A1 An electronic counter
12/1987
12/29/1987US4716314 Integrated circuit
12/22/1987US4715052 Frequency divide by N circuit
12/16/1987EP0249128A2 TTL technology digital timing unit
12/15/1987US4713832 Programmable divider up/down counter with anti-aliasing feature and asynchronous read/write
12/02/1987EP0247769A2 High speed frequency divide-by-5 circuit
11/1987
11/17/1987US4707145 Electronic timepiece
11/10/1987US4706266 Dual mode-increment/decrement N-bit counter register
11/03/1987US4704723 Frequency divider
10/1987
10/27/1987US4703495 High speed frequency divide-by-5 circuit
10/13/1987US4700370 High speed, low power, multi-bit, single edge-triggered, wraparound, binary counter
09/1987
09/30/1987EP0238747A2 Low jitter digital delay generator
09/22/1987US4696020 Digital circuit for frequency or pulse rate division
09/17/1987DE3608766A1 Electronic gear train
09/16/1987EP0237414A1 Elementary binary counter, synchronous binary counter and frequency divider making use of such an elementary counter
09/15/1987US4694475 Frequency divider circuit
09/15/1987CA1226944A1 Field presettable electronic odometer
09/11/1987WO1987005453A1 Counting circuit
09/03/1987DE3606410A1 Electronic modulo-10 counter
09/03/1987DE3606409A1 Electronic modulo-10 counter
09/02/1987EP0139657A4 Non-integer programmable counter.
09/01/1987US4691331 Self-correcting frequency dividers
09/01/1987US4691330 Duty control circuit for gradually reducing the duty time
08/1987
08/27/1987DE3605901A1 Electronic modulo-10 counter
08/27/1987DE3605722A1 Pulse circuit for electronic pulse counters
07/1987
07/30/1987DE3601924A1 ECL counter module with a decimal digital display for counting fast pulse events in decades, and counter cascade assembled therefrom
07/29/1987EP0230337A2 Frequency-division circuit arrangement
07/15/1987EP0228433A1 Frequency dividing arrangements.
07/14/1987US4680482 Inverter for use in binary counter
07/07/1987US4679216 Synchronous binary counter
07/02/1987DE3546132A1 Circuit arrangement to generate two cycles
07/01/1987EP0227184A1 Synchronous binary up-down counter
07/01/1987EP0226754A2 Circuit for generating several clockpulses
06/1987
06/16/1987EP0225698A1 Logic circuitry
05/1987
05/26/1987US4669101 High speed counter with decoding means and means for selecting second and higher order counter stages to be toggled
05/26/1987US4668917 Phase comparator for use with a digital phase locked loop or other phase sensitive device
05/20/1987EP0222648A1 Coincidence logic gate, triplet for logical gates and sequential circuit realized with this logic gate
05/19/1987US4667184 Apparatus for counting enumeration input pulses
05/05/1987US4663770 Non-volatile counting circuit and method which provides for extended counter life
04/1987
04/21/1987US4658820 Electrosurgical generator with improved circuitry for generating RF drive pulse trains
04/15/1987EP0218512A1 Digital frequency divider circuit
04/14/1987US4658406 Digital frequency divider or synthesizer and applications thereof
04/07/1987US4656649 Clock frequency divider circuit
03/1987
03/24/1987US4653015 Apparatus for generating a time duration signal
03/17/1987US4651334 Variable-ratio frequency divider
03/10/1987US4649470 Data processing system
03/10/1987US4649289 Circuit for maintaining the potential of a node of a MOS dynamic circuit
03/04/1987EP0212987A2 Improvements in or relating to prescalers
03/04/1987EP0212589A2 Synchronous binary counter
1 ... 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29