Matches 1 - 50 out of 300 1 2 3 4 5 6 >
Match Document Document Title
6700946 System and method for automatic generation of an at-speed counter  
Methods and systems for automatic generation of an at-speed binary counter are described. The binary counter includes a slow counter that increments when a fast counter overflows to keep up with a...
RE37335 Ripple carry logic and method  
Apparatus and method to logically process signals representative of multiple bits of multiple-bit numbers include successively delaying applications of the bit-representative signals to logical...
6097781 Shared counter  
A shared counter performs multiple counting functions in an electronic circuit, such as a memory integrated circuit. An input selection circuit selects one of M input data sets at a given time to...
5808478 Digitally controlled output buffer to incrementally match line impedance and maintain slew rate independent of capacitive output loading  
An output buffer with a slew rate that is load independent is comprised of an output buffer (14) that is connected to an output terminal (12). The output buffer (14) is controlled such that it can...
5737381 Counting device  
The invention provides a counting device and a direct memory access system using the counting device. In the counting device, a carry/borrow signal to be supplied from a predetermined one-bit...
5708688 High speed programmable burst address generation circuit  
A programmable burst sequence counter is described. The counter is capable of counting sequences of binary numbers in a linear burst sequence or interleaved burst sequence starting from a initial...
5594765 Interleaved and sequential counter  
A counter system has a first counter seeded by several input signals and a second counter seeded by at least a first output from the first counter. A selection signal is input to the second counter...
5561674 Synchronous counter and method for propagation carry of the same  
A synchronous counter performing a count operation in response to an input of a clock having a fixed frequency. The synchronous counter including a first transmission gate receiving a counter...
5521952 Pulse counter circuit and pulse signal changeover circuit therefor  
A pulse counter circuit has an invertor which inverts a pulse signal input thereto to form an inverted signal. One of the pulse signal and the inverted signal is selected in response to a selecting...
5506878 Programmable clock having programmable delay and duty cycle based on a user-supplied reference clock  
An input clock delay circuit includes an up counter for estimating the approximate number of internal clock cycles that occur during one cycle of the input clock signal and another up counter for...
5487097 Period measuring device  
It is an object to accurately obtain the period of the horizontal synchronizing signal in the video signal. The number of internal pulses are measured in a predetermined measurement period defined...
5483566 Method and apparatus for modifying the contents of a register via a command bit  
A method and apparatus as provided that simplifies the software required for modifying the contents of a register. By adding one gate to the register, a single command can be written to the...
5481581 Programmable binary/interleave sequence counter  
A counter circuit selectively generates counting sequences in binary and interleave counting modes. A counter is formed by 3 toggle flip-flops. The toggle signals are provided by a toggle control...
5469483 Timer with a compensation value to increment or decrement a count value of a counter  
A timer has a function of compensation calculation and includes a compensation value register 1 for holding a compensation value and an arithmetic unit 2 which adds or subtracts a compensation...
5452336 Memory device for recording a time factor  
A memory device for recording a time factor of data includes a threshold element, coupling capacitance, an RC-circuit, and a digital counter. A reference voltage is input to the RC-circuit. The...
5442671 Circuit and method of detecting actuator movement  
An actuator movement detector (10) indicates proper engagement of a solenoid (12). The current flowing through a field coil (16) is converted to a sense voltage that exponentially increases and...
5432830 High speed counter for alternative up/down counting of pulse trains and method therefor  
An asynchronous counter includes a plurality of flip-flops, cascade connected to one another, the plurality of flip-flops serially receiving successive pulse trains having varying numbers of pulses...
5404386 Programmable clock for an analog converter in a data processor and method therefor  
A data processing system (10) includes a programmable clock signal for an analog converter (28). A duty cycle of the programmable clock signal is programmed by an external user in a prescaler rate...
5383230 Reload-timer/counter circuit  
A reload-timer/counter circuit provides a reload-timer function and a counter function commonly and selectively. The circuit is comprised of first, second, third, and fourth registers. The third...
5381451 Trigger signal generating circuit with extraneous pulse prevention during accelerated pulse counting  
A signal generating circuit includes a counter for counting up input clock pulses to output a trigger signal when counting up to a predetermined number of pulses, a CPU for outputting a mask...
5371773 Driving circuit for solid-state image sensor and counter circuit used therein  
A counter circuit includes counting stages of n bits where n is a natural number. The counter circuit also includes a logic decoding circuit for determining the inputs of the counting stages, a...
5371770 Pulse generating circuit for microcomputers  
The invention provides a pulse generating circuit including a single timer or counter which conducts both a event base count and a subsequent time base count according to clock signals about the...
5355396 Circuitry and method for modularized single transition counting  
A method and circuitry are provided for modularized single transition counting. A count signal is provided on a count line (436). A single transition count is modified in response to the count...
5349621 Method and circuit arrangement for transmitting data blocks through a bus system  
In the transmission of variable length data blocks, where data and addresses share the same bus lines, one of the other signals, which are present anyway (chip-select, CS-, read, write), indicates...
5339343 Counter circuit with or gates interconnecting stages to provide alternate testing of odd and even stages during test mode  
A counter circuit includes a plurality of one-bit counters connected in series. The counter circuit includes first and second input terminals which are supplied with a predetermined signal,...
5325411 Display driving circuit  
A display driving circuit includes a latch circuit provided with a resetting terminal for receiving a pulse signal having a constant period and a setting terminal, a logic product circuit for...
5309494 Circuit configuration for generating logical butterfly structures  
A circuit configuration includes k linking cells each generating one of k output states from two of k input states. Each of the linking cells have two counters. Each of the counters have a serial...
5301219 Uninterrupted, enhanced-rate event sequencer with mixed-speed counter modules  
The invention includes a data memory having sequentially stored N-bit words that are each a binary description of a time at which an event is to occur. Also stored is a K-bit word, associated with...
5245647 Method and device for synchronizing on an outside event the sampling of measuring signals through a digitizing assembly of the oversampling type  
A digitalization assembly of the over-sampling type includes an analog to digital converter (2) producing at a frequency F=kf small-format p samples and a digital filter (3) which, through the...
5233638 Timer input control circuit and counter control circuit  
A circuit having a delay circuit provided with a gate for converting the output signal of an SR flip-flop into a signal with a delay equal to or more than the clock pulse width enough for count...
5208842 Precision digitally-controlled variable attenuation circuit  
A precise digitally-controlled variable attenuation circuit for adjusting e attenuation of a signal in an external circuit includes a signal magnitude detector, a resistance adjustment control, and...
5206891 Operational control counter circuitry for electrical apparatus  
An electrical apparatus (e.g., copying apparatus) equipped with a counter for counting the number of specific cycles. Allowance or prevention of an operation cycle is controlled in accordance with...
5206890 Counter circuit with direction of count indication  
A counter circuit comprises a signal detector for providing an up/down indication signal and a count clock signal according to an up/down signal and a reference clock signal. A n-bit counter for...
5204885 Method and device for evaluating a digital signal using a digital counter with LSB signal separately applied to both counter and register  
A digital counting method and device for evaluating a digital signal (S S ) using a digital counter (Z) applies the digital signal (S s ) that is received by the input (ZE) of the digital counter...
5199052 Reload timer circuit  
A reload timer circuit comprises an n-bit up/down counter circuit for receiving input data of n bits and providing up/down count data of n bits; an n-bit timer circuit for receiving the n-bit...
5185769 Easily testable high speed digital counter  
A high speed digital counter that can be easily tested comprises a plurality of subcounters having an input for receiving an incrementing signal and a carry output for outputting a carry signal...
5181232 Diesel engine revolution counter  
The revolutions of a diesel engine are counted by providing vibration detector converting the vibration propagating through the fuel injection pipe into an electric signal; an amplitude sorter for...
5159696 Maskable cascade counter  
Two cascaded eight-bit maskable counters (62) and (64) provide a sixteen-bit output, for instance, to a digital-to-analog converter (10). Each of the counters (62) and (64) is a maskable counter...
5142651 Uninterrupted, enhanced-rate, event-time recorder with mixed-speed counter modules  
An uninterrupted event-time recorder enables high-precision measurements of the time-of-occurrence of randomly- and rapidly-occurring, digitally specified events such as the leading and/or trailing...
5127036 Fifty percent duty cycle divided-by-m counter  
Disclosed is a divide-by-m counter for generating an ouptut clock signal having a fifty percent duty cycle from a higher frequency source clock signal having m cycles for each single cycle of the...
5093582 Pulse-width modulation waveform generator  
A PWM waveform generator has a cycle timer for generating pulses at regular intervals, and a duty timer for generating a pulse of a program-selected duration after each pulse from the cycle timer....
5090034 Dual channel ionization counter  
An event counter has dual counting channels, each employing a ripple counter, and a timing generator supplying square wave switching signals of opposite phases to gates at the inputs of the two...
5084907 Two-modulus variable frequency-divider circuit  
A two-modulus variable frequency-divider circuit comprises a variable frequency-divider, a plurality of รท2 frequency-dividers succeeding the variable frequency-divider, and a monitor. Outputs of...
5063580 Apparatus for conditioning a control signal  
Apparatus for controlling the time constant of a signal includes an up/down counter for counting pulses of a clock signal. The count value is utilized as output signal. The output signal is...
5063579 Scaler for synchronous digital clock  
A scaler comprising a plurality of flip-flops, varies its frequency division to correct phase by 0.5 clock cycle. Each flip-flop is continuously and synchronously responsive to either a rising or a...
5062128 Timer control with selectable frequency divider  
A semiconductor integrated circuit constructed on a single chip. Either one of a signal inputted to a clock signal input terminal and a signal obtained by dividing the frequency of the clock signal...
5060243 Ripple counter with reverse-propagated zero detection  
An asynchronous ripple counter counts from a predetermined binary value to zero in response to an input clock signal. Zero detection logic is coupled to the ripple counter for detecting, from a...
5058145 System for determining the position of movable machine parts  
A system for determining the position of movable machine parts including an incremental pulse generator for generating angular-speed pulses includes a computer. At least one counting circuit via...
5048064 Vital rate decoder  
A vital microcompressor-based rate decoder for use in a vital processing system in on-board main line railroad and rapid transit automatic train protection systems; the design is such that a method...
5048063 Machine position detecting apparatus  
A machine position detecting apparatus according to the invention detects the absolute position of a machine by a pulse coder or the like attached to a movable element. Whenever the movable element...
Matches 1 - 50 out of 300 1 2 3 4 5 6 >