Patents
Patents for H03K 21 - Details of pulse counters or frequency dividers (1,950)
07/1995
07/25/1995US5436914 Control of non-resettable counters by multiple processes
07/25/1995US5436628 Programmable frequency timing generator with phase adjust
07/12/1995EP0662691A1 Count unit for non volatile memories
07/05/1995EP0661814A1 End-of-count detecting device, particularly for nonvolatile memories
07/04/1995US5430781 Variable pulse width generator circuit
06/1995
06/14/1995CN2200822Y Household electric energy ration charge monitor
06/07/1995EP0656691A2 Circuit device providing a symmetrical duty cycle
06/06/1995US5422923 Programmable time-interval generator
05/1995
05/17/1995CN2197703Y Photoelectric pulse multi-way counter
04/1995
04/25/1995US5410683 Computer system
04/11/1995US5406606 Counter
02/1995
02/21/1995US5392229 Graphics processing apparatus with video memory for storing graphics data
01/1995
01/31/1995CA2003466C High speed programmable divider
01/19/1995DE4340966C1 Circuit arrangement for generating even duty ratios
01/17/1995US5383230 Reload-timer/counter circuit
01/10/1995US5381452 Secure counting method for a binary electronic counter
01/10/1995US5381451 Trigger signal generating circuit with extraneous pulse prevention during accelerated pulse counting
01/04/1995EP0631661A1 High security counter
12/1994
12/28/1994EP0631391A1 Decoded counter with error check and self-correction
12/21/1994EP0630116A2 Integrated high speed synchronous counter with asynchronous read-out
12/21/1994EP0629976A2 Compact disc counter
12/06/1994US5371772 Programmable divider exhibiting a 50/50 duty cycle
11/1994
11/01/1994US5361289 Synchronous counter circuit having a plurality of cascade-connected counters
10/1994
10/26/1994EP0621696A2 Counting device with fast reset
10/05/1994EP0618677A1 Programmable time-interval generator
10/05/1994EP0598860A4 High frequency, low power, cmos circuit.
09/1994
09/28/1994EP0617514A2 Counter and/or divider circuit
09/20/1994US5349620 Timer access control apparatus
09/14/1994CN2177305Y Pulse large capacity switch signal monitor
09/08/1994DE4319383C1 Input circuit for a pulse counter
08/1994
08/31/1994EP0613251A1 Frequency divider
08/31/1994EP0613250A1 Phase correction circuit for the output signals of a frequency divider
08/16/1994US5339344 Counter device and method of operating the same
08/16/1994US5339343 Counter circuit with or gates interconnecting stages to provide alternate testing of odd and even stages during test mode
06/1994
06/01/1994EP0598860A1 High frequency, low power, cmos circuit.
06/01/1994EP0406366B1 High speed programmable divider
05/1994
05/24/1994US5315107 Compact disc counter arranged to minimize counting errors having a pair of beams and a pulse counting means
05/03/1994US5309494 Circuit configuration for generating logical butterfly structures
05/03/1994US5309038 Superconducting toggle flip-flop circuit and counter circuit
04/1994
04/05/1994US5300930 Binary encoding method with substantially uniform rate of changing of the binary elements and corresponding method of incrementation and decrementation
03/1994
03/23/1994EP0588050A2 Arrangement for generating a clock signal having missing pulses with a bit precision
03/22/1994US5297178 For counting events represented by an event signal
02/1994
02/22/1994US5289516 Counter device and method of operating the same
02/15/1994US5287362 Time-out detector for a computer system
02/15/1994CA1327081C Reconfigurable counter apparatus and method of operation thereof
02/08/1994US5285415 Data counting memory card and reader
02/03/1994DE4225388A1 Synchronisation circuit for decentralised counters - uses control clock source controlling synchronisation signal source providing individual signal for each decentralised counter
01/1994
01/18/1994US5280438 Memory circuit including an EEPROM provided with unique addressing means for storing at selected memory cells frequently incremented count data
12/1993
12/28/1993US5274581 Look up table implementation of fast carry for adders and counters
12/14/1993US5270592 Clock supply circuit layout in a circuit area
11/1993
11/11/1993DE4214841A1 Integrated circuit with timing element contg. two counter units - tests counter units independently in separate test modes using internal and external clocking
11/10/1993EP0569135A2 Look up table implementation of fast carry for adders and counters
11/04/1993DE4214612A1 Frequency divider with flip=flops in chain circuit - has logic circuit supplied with output signals from selected number of flip=flops
11/04/1993DE4214611A1 Digital signal processor using counter(s) and frequency divider(s) - connected in chain circuit, as shift resistor, forming clock flip-flop
10/1993
10/19/1993US5254888 Switchable clock circuit for microprocessors to thereby save power
10/14/1993WO1993020618A1 High frequency, low power, cmos circuit
10/14/1993DE4216766C1 Frequency dividing for data transmission at different bit rates - using intermediate frequency with combined period obtained by summing different periods and successively dividing by 2
10/14/1993CA2110048A1 High frequency, low power, cmos circuit
09/1993
09/30/1993WO1993019346A1 High security counter
09/30/1993CA2117693A1 High security counter
09/16/1993DE4201776C1 Synchronous dual counter stage using flip=flops - has AND=gate receiving all flip=flop outputs controlling memory flip=flop coupled to transfer output of dual counter stage
09/08/1993CN2141900Y Shockproof type electronic action counter
08/1993
08/05/1993DE4302553A1 High security binary counting method for chip card - offsetting final state of binary number w.r.t. sequence such that contents of counter never represents number smaller than previous value
08/03/1993US5233638 Timer input control circuit and counter control circuit
07/1993
07/27/1993US5231592 Counter
07/21/1993EP0551969A2 Circuit and method for performing clock division and clock synchronisation
06/1993
06/08/1993US5218579 Numerical value setting device
05/1993
05/26/1993CN2134659Y Multifunctional evolution integrating device checking instrument
05/25/1993US5214681 Frequency-divider circuit with input signal level offset control
05/19/1993EP0269716B1 LOOK AHEAD TERMINAL COUNTER and method for generating a terminal count output signal.
04/1993
04/28/1993EP0538805A2 Circuit for producing a logical butterfly structure
04/27/1993US5206890 Counter circuit with direction of count indication
04/20/1993US5204885 Method and device for evaluating a digital signal using a digital counter with lsb signal separately applied to both counter and register
04/14/1993CN2130013Y Six number display electronic counter
03/1993
03/03/1993EP0528889A1 Bidimensional array of counter circuits
03/03/1993EP0272288B1 Testable multi-mode counter network and method for operating its test.
02/1993
02/16/1993US5187725 Data detector at output of counter
01/1993
01/19/1993US5181231 Non-volatile counting method and apparatus
01/14/1993DE4121020A1 Control unit module e.g. for kitchen appliance, vacuum cleaner - has following D=A converter, with module inputs formed by digital counter inputs
01/05/1993US5177771 High resolution symmetrical divider circuit
12/1992
12/30/1992EP0520077A1 Digital counting circuit for measuring a digital input signal with arbitrary duty cycle
12/23/1992EP0519847A1 Data count memory card and reading apparatus
12/15/1992US5172400 Frequency divider employing multiple stages of master/slave flip-flops
11/1992
11/10/1992US5163169 Frequency divider having the power supply connected to the gaas substrate
10/1992
10/20/1992US5157701 High speed counter circuit
10/15/1992DE4111859A1 Short duration power supply back=up for digital counter ICs - uses capacitor and associated switching circuitry to maintain stored counter value during power supply interruptions
09/1992
09/30/1992EP0273954B1 An electronic counter
09/23/1992EP0505324A1 Device for counting and storing the number of pulses of a signal within a time interval
07/1992
07/28/1992US5134315 Synchronous counter terminal count output circuit
07/21/1992US5132642 PLL using asynchronously resettable divider to reduce lock time
06/1992
06/30/1992US5127036 Fifty percent duty cycle divided-by-m counter
06/03/1992EP0488505A1 Frequency-divider circuit
05/1992
05/06/1992EP0484259A1 Binary coding method with uniform switching rate of the binary elements and incrementation/decrementation method therefor
04/1992
04/28/1992US5109503 Apparatus with reconfigurable counter includes memory for storing plurality of counter configuration files which respectively define plurality of predetermined counters
04/21/1992US5106947 Curable composition based on cycloaliphatic epoxy resins
04/14/1992US5105449 Non-volatile counter employing memory cell groups and fault detection logic
04/07/1992US5103411 Electronic odometer wherein medium order digit data addresses locations which store high and low order digit data
03/1992
03/17/1992US5097491 Modular gray code counter
03/10/1992US5095452 Device for accurately displaying physical measure by adjusting the outputs from pulse counters
03/04/1992EP0473251A1 Frequency divider and pulse signal former
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