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)
08/2000
08/22/2000US6108393 Enhanced prescaler phase interface
08/16/2000CN1055579C Current command type PWM (pulse width modulation) inverter apparatus
08/08/2000US6101233 Counter circuit
08/08/2000US6100767 Phase-locked loop with improved trade-off between lock-up time and power dissipation
08/01/2000US6097783 Dividing circuit for dividing by even numbers
07/2000
07/25/2000US6094466 High-frequency CMOS dual/multi modulus prescaler
07/19/2000EP1020032A1 Frequenzzähler mit
07/19/2000EP1020031A2 Integrated circuit
07/18/2000US6091794 Fast synchronous counter
07/18/2000US6091665 Synchronous random access memory having column factor counter for both serial and interleave counting
07/04/2000US6084484 Programmable precise frequency divider
07/04/2000US6084479 Circuit, architecture and method(s) of controlling a periodic signal generating circuit or device
06/2000
06/28/2000EP1012980A1 Digital phase locked loop
06/20/2000US6078636 Counter circuit and semiconductor memory having counter circuit as address counter circuit
06/13/2000US6075834 Frequency divider
06/06/2000US6072850 Frequency divider
06/06/2000US6072849 Shift counter device
06/06/2000US6072534 Device for the subdivision of the period of a signal into N quasi-equal parts
05/2000
05/31/2000EP1005164A1 Variable frequency divider
05/25/2000WO2000030259A1 Cmos dual modulus ring counter
05/23/2000US6067339 Frequency divider with lower power consumption
05/23/2000US6066990 Frequency divider having a prescaler followed by a programmable counter, and a corresponding prescaler and frequency synthesizer
05/23/2000US6066982 Phase locked loop apparatus for pulse signal demodulation
05/16/2000US6064743 Wavetable audio synthesizer with waveform volume control for eliminating zipper noise
05/16/2000US6064244 Phase-locked loop circuit permitting reduction of circuit size
05/04/2000WO2000025426A1 A counter for performing multiple counts and method therefor
05/03/2000EP0998043A2 Method and apparatus for defining and generating local oscillator signals for down converter
05/02/2000US6058066 Enhanced register array accessible by both a system microprocessor and a wavetable audio synthesizer
05/02/2000US6057719 Programmable, self-resetting divider
05/02/2000US6057715 Clock signal generating circuit for generating a clock signal having an arbitrary frequency
04/2000
04/13/2000DE19848300A1 Frequency divider for high frequency signals, generates output signal at exact fraction of input clock via several transmission units
04/11/2000US6049236 Divide-by-one or divide-by-two qualified clock driver with glitch-free transitions between operating frequencies
04/06/2000WO2000019611A1 Low voltage dual-modulus prescaler circuit using merged pseudo-differential logic
04/04/2000US6047073 Digital wavetable audio synthesizer with delay-based effects processing
03/2000
03/28/2000US6043692 Circuit and method for generating clock signals with an incrementally reduced effective frequency
03/21/2000US6041093 Variable frequency dividing circuit
03/16/2000DE19843199A1 Frequency divider for integrated circuit, generates output signal as exact fraction of input clock signal
03/15/2000EP0986178A2 Frequency synthesizer
03/07/2000US6035182 Single counter dual modulus frequency division apparatus
02/2000
02/29/2000US6031887 High-speed binary synchronous counter
02/29/2000US6031425 Low power prescaler for a PLL circuit
02/17/2000WO2000008790A1 Clock generator, clock generating method, and signal receiver
02/17/2000WO2000008761A1 Rational frequency divider
02/15/2000US6026141 One load conditional look ahead counter
02/15/2000US6026140 Low power programmable ripple counter
02/10/2000DE19835640A1 Rationaler Frequenzteiler Rational frequency divider
02/01/2000US6020771 Small-scale, simplified-design frequency multiplier incorporated into integrated circuit
01/2000
01/25/2000US6018560 Up/down counter
01/25/2000US6018258 Variably adjustable clock divider
01/18/2000CA2277625A1 Optical device for processing a predetermined n-bits optical sequence
01/06/2000WO2000001071A1 Static frequency divider with modifiable divider ratio
12/1999
12/30/1999DE19827026A1 Synchronous counter for high clock rates
12/28/1999US6009139 Asynchronously programmable frequency divider circuit with a symmetrical output
12/21/1999US6005505 Fourth order digital noise shaper circuit
12/21/1999US6003768 Call-unit count device
12/14/1999US6002278 Variable frequency divider and PLL circuit
12/07/1999US5999473 Circuit and method for internal refresh counter
12/02/1999DE19855466A1 Counter device for selectable hold and reset operations
11/1999
11/30/1999US5995578 Windowed clock generation
11/25/1999WO1999060702A1 Low power counters
11/24/1999CN1046671C Device for operating a windscreen wiper in intermittent and continuous modes
11/17/1999CN1235408A Frequency divider
11/16/1999US5987089 Programmable divider with controlled duty cycle
11/09/1999US5982842 Output timer
11/09/1999US5982840 Swallow counter with modulus signal output control
11/09/1999US5982836 Phase synchronizer and data reproducing apparatus
11/02/1999US5978437 Binary counter system using bit-wise matches with maximum count
10/1999
10/26/1999US5973523 Time counting circuit, sampling circuit, skew adjusting circuit, and logic analyzing circuit
10/19/1999US5970110 Precise, low-jitter fractional divider using counter of rotating clock phases
10/19/1999US5969548 Frequency divider with low power consumption
10/14/1999DE19581471C2 Synthesizer mit einstellbarer Frequenz Synthesizer with adjustable frequency
10/12/1999US5966421 Emulation of an m bit counter driven by a desired clock frequency given a central clock frequency
10/07/1999WO1999050793A1 Counting device and inhaler including a counting device
10/06/1999EP0948138A1 Frequency synthesiser
10/05/1999US5963073 π/2 phase shifter
09/1999
09/30/1999DE19911945A1 Clock frequency divider for desired clock frequency generation
09/28/1999US5960053 Method and apparatus for generating a clock signal having a frequency equal to an oscillator frequency divided by a fraction
09/21/1999US5956502 Method and circuit for producing high-speed counts
09/15/1999CN1228886A Serial-parallel and parallel-serial converter
09/07/1999US5948046 Multi-divide frequency division
08/1999
08/31/1999US5946369 High-speed binary synchronous counter with precomputation of carry-independent terms
08/24/1999US5943386 High-speed synchronous counter circuitry
08/24/1999US5943292 Address counter circuit and semiconductor memory device
08/24/1999CA2179269C Adjustable frequency synthesizer
08/11/1999CN1225526A Preset counter
07/1999
07/27/1999US5930322 Divide-by-4/5 counter
07/20/1999US5926045 Formed on a chip
07/06/1999US5920209 Time counting circuit, sampling circuit, skew adjusting circuit, and logic analyzing circuit
06/1999
06/30/1999EP0926834A1 A programmable divider circuit
06/30/1999EP0926833A1 A dividing circuit and transistor stage therefor
06/30/1999EP0926832A1 A dividing circuit for dividing by even numbers
06/24/1999WO1999031805A1 Multi-divide frequency division
06/24/1999WO1999018668A3 Integrated circuit
06/22/1999US5914996 Multiple clock frequency divider with fifty percent duty cycle output
06/16/1999EP0922332A1 Frequency dividing circuit
06/09/1999CN1219031A Method and apparatus for generating clock signal having specific frequency
06/03/1999WO1999027651A1 Method and circuit for sampling an analog signal
06/01/1999US5909144 Digital method and apparatus for reducing EMI emissions in digitally-clocked systems
05/1999
05/26/1999EP0918395A2 Frequency divider
05/25/1999US5907591 High speed programmable counter
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