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| Number | Title | Issue Date |
| 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 signal. The single transition count has a plurality of bits (4... | 10/11/1994 |
| 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 each N-bit word, that is a binary description of what the ... | 04/05/1994 |
| 5297178 | High security counter A high security counting system is shown for counting events represented by an event signal. The counting system includes a nonerasable programmable read only memory which is programmed by a programmer under the control of a controller. The controller is ... | 03/22/1994 |
| 5243556 | Acoustic charge transport memory device A sampling device operating as a buffer between a first data signal and a relatively slow processing device accepts the input signal and stores samples of it on a SAW traveling past an input electrode. A blocking potential is applied to a set of electrode... | 09/07/1993 |
| 5231592 | Counter A counter has an electrically erasable and programmable read-only memory (EEPROM), a write circuit, and a read circuit. The EEPROM, which can be rewritten at least V times, is divided into count areas MO, . . . , MN each capable of s... | 07/27/1993 |
| 5181231 | Non-volatile counting method and apparatus A non-volatile counter memory is provided by using a gray code scale to store counter values in a plurality of counter memories (34) comprising a counter memory group (38). Each counter memory comprises a plurality of units which store a gray coded value.... | 01/19/1993 |
| 5159614 | Production of an address for effective use of a memory in a sound processing device For one of memory divisions that is selected at a time as a selected division N(m) in a memory for use in putting a sound processing device in operation of generating a three-dimensional image of an acoustic field, a difference signal is produced to repre... | 10/27/1992 |
| 5146479 | Up/down counter for counting binary data stored in flip flops An updown counter up-counts binary data stored in respective flip-flops in an up-count mode, and down-counts the binary data stored in the respective flip-flops in a down-count mode. When a command for an up-count mode is applied by an up/down control sig... | 09/08/1992 |
| 5144255 | Multiple synchronized agile pulse generator A multiple synchronized agile pulse generator is configured as high speed digital/analog test apparatus for providing complex patterns associated with modern avionics systems. The multiple synchronized agile pulse generator includes a network of counters ... | 09/01/1992 |
| 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 edges of asynchronous pulses. The lowest order binary dig... | 08/25/1992 |
| 5136588 | Interleaving method and apparatus An interleaving method and apparatus suitable for burst error correction occurring in data transmission or reading of recording medium. In the interleaving method in which data to be transmitted is once written in a storing means and then read to be outpu... | 08/04/1992 |
| 5105449 | Non-volatile counter employing memory cell groups and fault detection logic A counter includes an array of memory cells arranged in groups of memory cells, each group designating a counting decade, wherein each group of memory cells includes first and second word strings, each capable of storing a data word, and a fault flag, cap... | 04/14/1992 |
| 5090033 | Electrical counter having plural unit value registers An autoclave or other equipment has a counter provided by an EEPROM for counting the number of times the autoclave has been used. The EEPROM has a first set of ten registers which contain the unit value of the count together with a fault code associated w... | 02/18/1992 |
| 5086280 | Continuously variable pulsewidth waveform formation device employing two memories A waveform formation device according to the present invention comprises a memory storing rise time data and fall time data related to an output waveform, a first timing generator for producing a set signal at a timing related to the rise time data, and a... | 02/04/1992 |
| 5077763 | Mechanism for measuring the service times of software and hardware components in complex systems A measurement mechanism which can be implemented in any complex system for measuring the service times required for carrying out specified operations is described for a system having a plurality of components working in pre-emptive mode so that an operati... | 12/31/1991 |
| 5046076 | Credit card counter with phase error detecting and precount comparing verification system A card counter (10) prints card inventory information locally and communicates with a remote computer (43) for permanent storage and retrieval of inventory information. A microprocessor controller detects a counting error in response to the actual count f... | 09/03/1991 |
| 5033066 | Event tagging time delay A time delay circuit for providing a delayed replica of a digital input signal including first and second counters for providing first and second count outputs offset relative to each other by a predetermined value indicative of a predetermined delay, and... | 07/16/1991 |
| 5028878 | Dual memory timing system for VLSI test systems A timing system using shared address generator(s) to address memories that form the basis of each pin's timing reference generator can reduce the amount of hardware required to implement a "Timing Generator Per Pin" architecture in a VLSI tester by at lea... | 07/02/1991 |
| 4995060 | Card counter with card counting preset data entry system method A card counter (10) prints card inventory information locally and communicates with a remote computer (43) for permanent storage and retrieval of inventory information. A microprocessor controller detects a counting error in response to the actual count f... | 02/19/1991 |
| 4989222 | Electronic hubodometer A hubodometer (10) for attachment to a vehicle's wheel structure for sensing a rotation of the wheel structure and for converting the sensed rotation to a distance travelled. The hubodometer comprises an outer housing (12) having a permanent magnet (28) a... | 01/29/1991 |
| 4987541 | Method for storing run data of a vehicle in the memory of an electronic tachograph and apparatus for carrying out the method A method for storing run data of a vehicle in a data memory of an electronic tachograph and displaying the run data with a predetermined resolution. The method includes the steps of sensing the movement of the vehicle, providing digital distance and veloc... | 01/22/1991 |
| 4974238 | Counter arrangement for determining the life of consumables in office equipment Equipment using consumables that require replacement after a predetermined number of uses includes counter arrangements for keeping track of the number of uses of each consumable. Even though some of the consumables may replace the same item, the usage co... | 11/27/1990 |
| 4947410 | Method and apparatus for counting with a nonvolatile memory A nonvolatile memory has a linear array of memory cells to serially store counts by setting the cells one by one in correspondence with input pulses and when the array is full by resetting the cells one by one for successive pulses. When all the cells are... | 08/07/1990 |
| 4897647 | Method for absolute position detection and an apparatus therefore There are provided a method and an apparatus for absolute position detection, in which position detection is performed with high accuracy by interpolation between feedback pulses generated as an object of position detection moves, and the power-on command... | 01/30/1990 |
| 4855681 | Timing generator for generating a multiplicty of timing signals having selectable pulse positions A timing generator for generating a plurality of pulse sequences within a test cycle. Each pulse sequence has a plurality of pulses having a position identified by the data contents of a multiplicity of random access memories. Like numbered lower order bi... | 08/08/1989 |
| 4852130 | Successive approximation register A successive approximation register for an analog/digital converter operating according to the weighing method and having a bit width n includes a comparator and n memory elements each having one data input and one data output for shifting onward a logica... | 07/25/1989 |
| 4847879 | Frequency sensing and control circuit In construction of a digital phase locked loop for detection of the angular displacement of a mobile object depending on input signals from an encoder, is provided a bit number control circuit so that working bit numbers of A/D converters and a counter in... | 07/11/1989 |
| 4845726 | Maximum length linearly recurring sequence generator control device A control circuit such as a microcomputer sets only the starting address of the memory in which initial information for generating a maximum length recurring sequence is stored and the number of chips of the maximum length recurring sequence and the initi... | 07/04/1989 |
| 4833629 | Apparatus for categorizing and accumulating events Apparatus for categorizing and accumulating a plurality of different event types wherein the characteristics of each event are detected by a detector and presented to the apparatus as an electrical signal of variable analog or digital value which may indi... | 05/23/1989 |
| 4819173 | System for preventing excessive repetition of interrupt programs in a microcomputer In an automotive engine control microcomputer the frequency of interrupt programs initiated by a pulse from an engine speed tachogenerator is prevented from being excessive as a result of loose connections or other malfunctions or distrubances by blocking... | 04/04/1989 |
| 4817118 | Mobile incident logger Disclosed is a mobile incident logger for monitoring an on-board, automotive, computer and signal levels developed by analog and digital sensors, the logger employing a coverage monitor, which records which memory locations are accessed by the computer; a... | 03/28/1989 |
| 4815112 | Read-only sequence control system A read-only sequence control system comprises a control unit having counters for determining the cycle time of the system and timing for the performance of various operations an EPROM and a plurality of relays responsive to data outputs of the EPROM for c... | 03/21/1989 |
| 4807264 | Circuit arrangement for the addition, storage and reproduction of electric counting pulses A circuit arrangement for adding, storing and reproducing electric counting pulses, is suggested, which preferably serves as an electronic kilometer counter of a motor vehicle with a distance transmitter (10). The circuit arrangement comprises an overwrit... | 02/21/1989 |
| 4803707 | Nonvolatile electronic odometer with excess write cycle protection A vehicle odometer system for counting pulses representing translation and storing in nonvolatile form binary data representing the decimal values of the odometer data. The architecture of the circuit is structured to use the data in the more significant ... | 02/07/1989 |
| 4795984 | Multi-marker, multi-destination timing signal generator A multi-marker, multi-destination timing signal generator including a count-setting memory for storing a plurality of pulse-count values in a numerical order and a pulse counter for counting the number of pulses from a master clock. An output selection me... | 01/03/1989 |
| 4764687 | Variable timing sequencer A variable timing sequencer for producing sets of data which correspond to different current states of the sequencer, wherein the interval of each such set of data corresponds to said current state and user input, and said current state is determined by a... | 08/16/1988 |
| 4757522 | Counting circuit employing more equatably used plural counters for extended life In a counting circuit having non-volatile electrically erasable memory elements and a plurality of similar counters each representing one place of the count, respective memory elements of suitable capacity are associated with the counters. Low value count... | 07/12/1988 |
| 4751721 | Apparatus and method for testing contact interruptions of circuit interconnection devices Apparatus and method are disclosed for identifying and measuring random contact interruption events in a circuit interconnection device. A comparator circuit, adapted to be operated at high frequencies, identifies when an interrupt event has occurred. The... | 06/14/1988 |
| 4740915 | Method of controlling a microprocessor to monitor input signals at irregular mutually intersecting intervals Control of a microcomputer performing a wide variety of functions in a motor vehicle in which the sequences of input and output signals intersect in time, instead of being performed by an elaborate input/output unit, is performed in the microcomputer itse... | 04/26/1988 |
| 4670891 | Storage of data in compressed form Method and apparatus for monitoring the time rate of successive events the rate of occurrence of which can vary over a wide range by: detecting the successive events during a succession of consecutive time intervals of equal duration; producing successive... | 06/02/1987 |
