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7535981 Clock generation circuit and method thereof  
The present invention generates an output clock signal CLKreq having a frequency freq between the frequency fref/A of a divided clock signal CKL1 and the frequency fref/(A+1) of a divided clock...
7336756 Reprogrammable bi-directional signal converter  
A signal converter is comprised of a plurality of counters (“macro-counters”). In turn, each of the macro-counters is comprised of a plurality of single-bit counters (“micro-counters”) that are ada...
7113886 Circuit and method for distributing events in an event stream  
A circuit and related method for distributing events in an event stream (i.e., an electronic signal having a plurality of rising edge transitions and falling edge transitions). The circuit...
7006702 Image coding device  
The image coding device comprises data adding means for adding specific data to input image data at the end of image data, and arithmetic coding unit not issuing remaining output code of code...
6922456 Counter system and method  
A system and method for performing counting operations for a plurality of components is disclosed. A memory stores a plurality of counts from different components. The memory is coupled to a...
6909767 Logic circuit  
Circuit for selecting a second set of binary inputs according to the number of high input signals applied to a first input set. A first subcircuit has the first input set, logic generating control...
6907098 Gray code counter  
A Gray code counter includes a holding circuit, first and second conversin circuit and an operation circuit. The holding circuit stores gray code signals and outputs the stored gray code signals in...
6904114 Ones counter employing two dimensional cellular array  
A ones counter that accepts a binary input word of ones and zeros and provides a binary output word indicative of the number of ones within the input word. A two-dimensional array is built with a...
6757352 Real time clock with a power saving counter for embedded systems  
A real time clock counter includes a serially connected plurality of register units, each register unit having a bit register for storing clock data, a half adder for incrementing the clock data...
6695475 Temperature sensing circuit and method  
A method and circuit are disclosed for measuring temperature. An exemplary embodiment of the present invention includes a first oscillator circuit that generates a first signal having a frequency...
6466890 Device for detecting rotational position deviation  
The present invention relates to a detecting device of rotational position deviation, which detects deviation of the rotational position of machine axes driven by electric motors with pulse signals...
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...
6208705 Electronic counter for a non-volatile memory device integrated on a semiconductor  
An electronic counter for a semconductor-integrated non-volatile memory device includes a single count cell connected with its output to at least one storage element The count cell comprises a...
6175607 Pulse counter  
The pulse counter counts high speed pulses and detects an absolute phase difference among a plurality of electric motors.Pulse outputs 5 and 6 from pulse generators 3 and 4 are inputted into...
6144714 Programmable fractional frequency digital frequency synthesizer for synchronous residual time stamp service clock regenerator phase locked loop  
A service clock regenerator regenerates a local clock from time stamps of a remote clock transmitted over a network by determining the slope of (or difference between current and previous) time...
6094100 PLL synthesizer apparatus  
Disclosed herein is a fractional N-type PLL frequency synthesizer apparatus. A fractional N-type control circuit employed therein for varying N values for each reference cycle is constructed of a...
6076096 Binary rate multiplier  
A rate multiplier for rate multiplying a pulse train comprising: an accumulator, a multiplexer for selecting one of a first and a second number of different signs to feed to the accumulator, and a...
6021171 Multiplexing decoder/counter circuit for monitoring quadrature position encoders  
A multiplexing decoder/counter circuit for monitoring quadrature position encoders. The system includes an edge detector, a position counter, a position latch, a capture latch, and compare...
5940467 Counting circuit  
Quality requirements on a counter may set a limit to the highest frequency that can be applied to the counter. This will also limit the resolution. A counter is provided including a generator for...
5899570 Time-based temperature sensor system and method therefor  
A time-based digital temperature sensing system has a first oscillator which is temperature sensitive. The first oscillator has a temperature coefficient which allows the first oscillator to...
5617458 Clock divider  
The invention discloses a method and an apparatus for implementing an L phase clock in conjuction with L counters, where L is an integer, to count at a frequency scalable by L.
5615241 Programmable rate generator  
A rate generator for use in a video server or other computer system requiring the generation of multiple timing signals from a single fixed frequency clock signal is disclosed. The rate generator...
RE35296 Full and partial cycle counting apparatus and method  
Apparatus for determining the number of cycles occurring in a frequency modulated signal during a sample period, including not only the number of full cycles but any portion of a cycle, by...
5513235 Integrated circuit thermometer  
An integrated circuit temperature detector (thermometer) uses a temperature dependent oscillator to count up to a fixed number and thereby generate a time interval indicative of the temperature (a...
5481582 Rapidly resettable counting device  
A rapidly resettable counting device is described, which is particularly suitable for use in signal processors and which comprises a counter (1) receiving a clock signal at an input and supplying...
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...
5438601 Reference clock frequency divider  
A reference clock frequency divider feasible for a motor drive IC (Integrated Circuit), optical disk drive, hard disk drive or similar apparatus. The frequency divider is capable of setting not...
5422923 Programmable time-interval generator  
A programmable time-intervals generator comprising first and second digital counters, a memory, a digital divider and a digital adder. On the occurrence of a first event, the first counter starts...
5394450 Circuit for performing arithmetic operations  
A race-free arithmetic operation circuit is disclosed. The circuit comprises a register file array, an arithmetic logic unit (ALU), and apparatus for controlling the input and/or the output signal...
5390223 Divider circuit structure  
A divider circuit provides an output signal having a frequency which is equal to the frequency of an input signal divided by an odd integer. This is achieved by feeding back the output from a...
5381452 Secure counting method for a binary electronic counter  
The disclosure relates to counters that require the counting to be done under conditions of high security. In such a counter, starting from a number represented by a certain number of bits, the...
5333162 High resolution time interval counter  
A high resolution counter circuit measures the time interval between the occurrence of an initial and a subsequent electrical pulse to two nanoseconds resolution using an eight megahertz clock. The...
5276722 Absolute multi-revolution encoder  
A precision, high-resolution, absolute, multi-revolution encoder which allows a multi-revolution position value of a shaft to be detected with high reliability, using only a single revolution...
5255213 Apparatus for providing selectable fractional output signals  
A circuit for producing output signals which indicate a fraction of a series of input signals including apparatus for furnishing a first value equivalent to the value of a numerator of the...
5222111 Pulse generator circuit employing arithmetic function counter  
A pulse generator circuit includes an adder, a count register which holds the result of addition provided by the adder in order for the addition-result for recursive addition in the adder, a...
5189314 Variable chip-clocking mechanism  
The performance of some chips (e.g., VLSI processors) may be increased by running the internal circuits at higher clock rates, but use of a higher clock rate is limited by the heat-dissipation...
5189685 Fast counter/divider and its use in a swallower counter  
A counter/divider dividing an input frequency (F1) by 2q+n +1/2, comprises a first divider by 2q (30) receiving the signal to divide of a frequency F1 and provides 2q+1 outputs at the frequency...
5187724 Absolute position detecting device  
An absolute position detecting device in which the number of revolutions of a drive shaft adapted to drive an object to be controlled is counted with a counter for detecting an absolute position of...
5164968 Nine bit Gray code generator  
A nine bit Gray code counter is constructed as a single integrated circuit such as a PLA and comprises D flip-flops, AND gates and Exclusive-OR gates. The array is programmed to provide a nine bit...
5109395 Decimetor circuit of simple construction and high speed operation  
A decimetor circuit is constructed to execute an FIR filtering of "n" taps for input data sampled with a sampling frequency "f" and then to resample an output of the FIR filter at a frequency of...
5103417 Digital multi-channel counter method and apparatus to reduce counting hardware  
In systems requiring multiple identical digital correlators the original m-bit counter for each correlator can be replaced by an n-bit multi-channel counter. The most significant bit of each n-bit...
5089957 RAM based events counter apparatus and method  
A system, for counting the occurrence of a plurality of system events and for prioritizing the order in which count values are to be incremented, receives a plurality of data signals (15) where...
5077519 Pulse period to frequency conversion system  
A frequency conversion system for converting a pulse period into a frequency value by calculating a reciprocal value of a binary digit value of a pulse period from a remote period counter. The...
5058146 Digital comparator, digital ratiometer and amplitude analyzer incorporating such ratiometers  
Digital ratiometer and amplitude analyzer using such a ratiometer.It is possible to solve the problems of the calculation and display of the ratio of two or more quantities, provided that the...
5056123 Frequency counter with round off function  
The frequency of the signal is determined by counting the period of the signal. A round-off circuit increments the count if the end of the signal occurs after the midpoint between counts.
5048065 Method and circuit for controlling the frequency of an electronic inverter  
A method for modifying the frequency of a clock signal includes the steps of producing a clock signal having voltage pulses which occur at a first frequency and producing a control signal having...
5040197 Fractional frequency divider for providing a symmetrical output signal  
A frequency divider circuit is responsive to first and second digital input signals and an input clock signal for providing an output clock signal operating at a frequency equal to that of the...
5005192 Method of and apparatus for counting flat objects in a stream of partially overlapping objects  
The sheets of a stream of partially overlapping sheets are counted during transport past a generator of ultrasonic waves which is operated by a control unit at a frequency such that each sheet...
5001732 Track counter for optical disk  
The track counter for optical disk in accordance with the present invention, that counts the number of tracks a light beam passes upon when an optical head moves over an optical disk in the radial...
4996454 Hot clock complex logic  
High speed complex logic circuitry powered solely by clock signals. Such circuitry may be implemented in optical, electrical or other means, involving any medium or substrate as desired.
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