Patents
Sitemap › H03 - Basic electronic circuitry › H03K - Pulse technique › H03K 23 - Pulse counters comprising counting chains; Frequency dividers comprising counting chains
Patents for H03K 23 - Pulse counters comprising counting chains; Frequency dividers comprising counting chains (2,815)
01/1991
01/22/1991CA2053862A1 High speed prescaler
01/16/1991EP0228433B1 Frequency dividing arrangements
12/1990
12/19/1990EP0403047A2 A frequency divider circuit
12/18/1990US4979193 Method and apparatus for testing a binary counter
12/04/1990US4975931 High speed programmable divider
12/04/1990US4975884 Presettable synchronous predecoded counter
11/1990
11/29/1990DE3916796A1 Electronic modulo-10 pulse converter - is formed by changing number of decades w.r.t. conventional pulse counter by specified number
11/22/1990DE3916226A1 Modulo-10 pulse counter with arbitrary number of decades - retards either all counter flip=flops in each decade, or last decades circuits only
11/22/1990DE3915935A1 Electronic pulse counter with simple flip=flops - delays individual flip=flop resetting, or energises resetting of last partial circuit only
11/14/1990EP0396673A1 High speed digital programmable frequency divider
10/1990
10/31/1990EP0395209A2 Method and apparatus for testing a binary counter
10/17/1990EP0392222A1 Synchronous counter circuit arrangement
10/16/1990CA1275309C Low jitter digital delay generator
09/1990
09/18/1990US4958362 Clock signal generating circuit
09/12/1990EP0205544B1 Frequency divider
09/04/1990US4955041 Electronic pulse counter for simultaneous downward and upward counting
08/1990
08/28/1990US4953187 High speed prescaler
08/21/1990US4951303 High speed digital programmable frequency divider
08/21/1990US4951301 TTL technology digital timing unit
08/16/1990DE3903373A1 Modulo-10 counter
08/08/1990CN1044556A High speed prescaler
08/07/1990US4947411 Programmable clock frequency divider
07/1990
07/26/1990WO1990008428A1 High speed prescaler
07/26/1990DE3901786A1 Modulo-10 counter
07/24/1990US4943981 Dividing mechanisms for frequency synthesizers
07/24/1990US4943787 Digital time base generator with adjustable delay between two outputs
07/17/1990US4942595 Circuit for dividing the frequency of a digital clock signal by two and one-half
07/11/1990EP0377064A1 Method of operating a timer
07/04/1990EP0376905A2 Programmable logic device having a plurality of programmable logic arrays arranged in a mosaic layout together with a plurality of interminglingly arranged interfacing blocks
06/1990
06/28/1990WO1990007232A1 High speed programmable divider
06/26/1990US4937845 Fast library element gray code generators without feedback and feedforward networks
06/20/1990EP0373768A2 Digital frequency divider
06/19/1990US4935944 Frequency divider circuit with integer and non-integer divisors
05/1990
05/31/1990DE3840031A1 Modulo-10 counter
05/30/1990EP0370924A1 High frequency clock pulse counter
05/17/1990WO1990005413A1 High speed digital programmable frequency divider
05/08/1990US4924484 High speed digital counter
05/02/1990EP0366582A2 High speed digital counter
05/01/1990US4922250 Superconducting analog-to-digital converter with bidirectional counter
04/1990
04/25/1990EP0365224A2 Two phase non-overlapping clock counter circuit to be used in I.C.
04/25/1990EP0364565A1 Synchronous logic network with transfer signal control.
04/18/1990CN2056295U Computor-counting controller
04/10/1990CA1267699A1 Multiple frequency digital phase locked loop
04/03/1990CA1267438A1 Electrosurgical generator with improved circuitry for generating rf drive pulse trains
03/1990
03/27/1990US4912734 High resolution event occurrance time counter
03/07/1990EP0357527A2 Count-locked-loop timing generator
03/07/1990EP0356909A2 Small area and low current drain frequency divider cell for integrated circuits
02/1990
02/27/1990US4905262 Synchronous programmable two-stage serial/parallel counter
02/22/1990WO1990001832A1 Gray counter without feedback
02/07/1990EP0353399A2 Digitally adjustable frequency-dividing arrangement, especially for frequency synthesizers
01/1990
01/17/1990EP0351212A2 Counter circuit presettable with a plurality of count values
01/10/1990EP0203096B1 Self-correcting frequency dividers
01/04/1990DE3822428A1 Circuit arrangement for generating a reference pulse
01/02/1990US4891827 Loadable ripple counter
01/02/1990US4891825 Fully synchronized programmable counter with a near 50% duty cycle output signal
12/1989
12/13/1989EP0345893A1 Integrated semiconductor circuit comprising a frequency divider circuit dividing by two
11/1989
11/29/1989EP0343838A2 CMOS binary up/down counter
11/29/1989EP0343215A1 Improvements in or relating to flip-flops
11/29/1989CN1037623A Intelligent invertible counter
11/14/1989US4881248 Counter circuit provided with means for reading out counted data by read-command signal applied asynchronously with clock signals to be counted
11/09/1989DE3812024A1 Modulo-10 counter which supplies the counter state in 54321 code
11/02/1989DE3813154A1 Circuit for controlling the loading of a synchronous counter
11/02/1989DE3812898A1 Modulo-10 counter for both counting directions
11/02/1989DE3801572A1 Modulo-10 counter for both counting directions
11/02/1989DE3801125A1 Modulo-10 counter in 54321 code
10/1989
10/26/1989DE3812897A1 Modulo-10 counter for both counting directions
10/26/1989DE3812133A1 Modulo-10 counter which supplies the counter state in 51111 code
10/26/1989DE3812025A1 Modulo-10 counter which supplies the counter state in 51111 code
10/26/1989DE3801935A1 Modulo-10 counter for both counting directions
10/26/1989DE3800522A1 Modulo-10 counter for both counting directions
10/19/1989WO1989010028A1 Synchronous logic network with transfer signal control
10/19/1989DE3800458A1 Modulo-10 counter for both counting directions
10/19/1989DE3800441A1 Modulo-10 counter which supplies the count in 54321 code
10/12/1989DE3744612A1 Modulo-10 counter for both counting directions
10/05/1989DE3744484A1 Modulo-10 counter
10/05/1989DE3744475A1 Modulo-10 counter
10/05/1989DE3744474A1 Modulo-10 counter which supplies the counter state in 54321 code
10/05/1989DE3744473A1 Modulo-10 counter which supplies the counter state in 54321 code
10/04/1989EP0335492A2 Dividing mechanisms for frequency synthesisers
09/1989
09/26/1989CA1260547A1 Digital rate averaging circuit
09/21/1989DE3807875A1 Circuit arrangement for detecting the currents of a predeterminable count
09/14/1989DE3806981A1 Binary counter
09/13/1989EP0332297A2 Loadable ripple counter
09/12/1989US4866740 Frequency divider of pulses using ring-counters
08/1989
08/29/1989US4862515 Frequency dividing arrangements
08/29/1989CA1258886A1 Frequency divider
08/16/1989EP0328339A2 Frequency-dividing circuit
08/15/1989US4858168 Carry look-ahead technique having a reduced number of logic levels
08/09/1989EP0326856A1 Electronic pulse counter
08/08/1989US4856035 CMOS binary up/down counter
08/08/1989US4856032 High speed programmable frequency divider and PLL
08/08/1989US4855895 Frequency dividing apparatus for high frequency
07/1989
07/27/1989DE3801124A1 Modulo-10 counter in 54321 code
07/27/1989DE3800746A1 Modulo-10 counter in 54321 code
07/25/1989US4851783 Method of and apparatus for digitally setting a control frequency
07/18/1989US4849934 Logic circuit using resonant-tunneling transistor
07/13/1989DE3800060A1 Modulo-10 counter for both counting directions
07/13/1989DE3800059A1 Modulo-10 counter for both counting directions
07/06/1989DE3743497A1 Modulo-10 counter for both counting directions
07/06/1989DE3743496A1 Modulo-10 counter which supplies the count in 54321 code
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