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| Number | Title | Issue Date |
| 4168531 | Real-time clock having programmable time initialization and read-out A group of selectably-loadable counters is used to derive timekeeping information, for use in an energy load control system, by counting the accurate pulses obtained from a crystal-controlled oscillator and a divider chain. A back-up battery is used to al... | 09/18/1979 |
| 4163291 | Input-output control circuit for FIFO memory In transmitting data between a plurality of sequentially connected FIFO type memory elements by controlling a binary coded signal a circuit element is provided in a manner to correspond to each memory element, so as to indicate a data storage state. A cir... | 07/31/1979 |
| 4161787 | Programmable timer module coupled to microprocessor system A programmable timer module (PTM) is provided as a component of a microprocessor system in order to generate and measure varying time intervals under program control. The programmable timer module includes, in one embodiment, three independent 16-bit time... | 07/17/1979 |
| 4158766 | Inspection of elongated workpieces such as random length boards For enabling a computer to calculate locations of cuts across an elongated workpiece that will divide it into standardized length finished pieces of optimum economic value, the workpiece is established between parallel, spaced boundaries of an inspection ... | 06/19/1979 |
| 4158129 | Electronic counter An electronic counter is provided for evaluating the impulses generated by digital electronic measuring system. This counter includes a register which counts the impulses generated by the digital electronic measuring system and generates a position readin... | 06/12/1979 |
| 4151403 | Control system for an unwinding roll An optical encoder generates a train of digital pulses as a function of the length of web material unwound per revolution of an unwinding roll. A counter counts the encoder pulses for each revolution of the roll. The counts of the encoder pulses are accum... | 04/24/1979 |
| 4144447 | Interval timer A device control circuit is disclosed which includes the provision of control commands at precise time intervals by gating each command at a time controlled by a continuously running counter to which is added the next event delay value. Upon reaching a pr... | 03/13/1979 |
| 4139900 | Ground station data storage system Data relating to the attitude and spin rate of a spacecraft is stored in a data storage system located at an earth station in communication with the spacecraft. Leading and trailing edges of the data, usually in the form of pulses, received from sensors s... | 02/13/1979 |
| 4138722 | Electronic aid for inhibiting smoking An aid for inhibiting smoking by providing a display of the total number of times a smoker draws in or inhales smoke during a smoking session. The display is provided by a pocket calculator having automatic constant features whereby the calculator can be ... | 02/06/1979 |
| 4135082 | Electrical pulse train comparator A digital data acquisition system wherein a succession of electrical impulses whose frequency is characteristic of an operation to be measured is compared with a reference electrical pulse series.... | 01/16/1979 |
| 4128892 | Pulse width measurement circuitry An external pulse width measuring circuit for use in a microprocessor system counts and stores the number of clock signals occurring in either a positive or negative going pulse. Short pulses may be measured to a 1 micro-second accuracy and the circuitry ... | 12/05/1978 |
| 4119837 | Block position and speed transducer for a computer-controlled oil drilling rig Apparatus for indicating the position of a traveling block along a vertical axis within a computer-controlled oil drilling rig is characterized by a magnetically responsive element for generating a pulse when a metallic member, movable with the traveling ... | 10/10/1978 |
| 4109140 | Diver's control and indication apparatus Improved diver's apparatus is disclosed for automatically determining and displaying the depth and duration of a dive, as well as the allowable bottom time remaining for the dive to permit a safe ascent without going through decompression stages. For long... | 08/22/1978 |
| 4109142 | Process data tracking system A tracking system provides a means for tracking two types of data, event data and processing data. Event data include information such as the location of welds and other strip discontinuties in a continuous strip processing line. Event data are tracked in... | 08/22/1978 |
| 4095093 | Synchronous state counter A synchronous state counter, which is responsive to an incrementing pulse for incrementing the state of the counter, is provided with a plurality of latches which output a binary representation of the number stored in the counter. Each latch is provided w... | 06/13/1978 |
| 4086580 | Digital altitude encoder In one exemplar embodiment, a digital altitude encoder is provided that utilizes a conventional altimeter responsive to atmospheric pressure for rotationally driving an indicator shaft. Attached to the shaft is a disc having repetitive, alternate, regular... | 04/25/1978 |
| 4086470 | Hardware-software counting A hardware counter counts high rate, lower significant bits. A carry-borrow circuit responsive to the higher order bit position of the hardware counter includes cancel means responsive to successively received carry and borrow signals to cancel previously... | 04/25/1978 |
| 4079234 | Manual key input apparatus A manual key input apparatus, which comprises a memory for successively storing the characters of each of a plurality of words includes in one record which is supplied from a key input device and marked off by a record-positioning code from the succeeding... | 03/14/1978 |
| 4078375 | Electronic timepiece An electronic timepiece includes a first memory adapted to time count data in address positions in such an order that a larger time unit is positioned ahead of a smaller time count unit, and a second memory adapted to have address positions designated in ... | 03/14/1978 |
| 4071891 | Electronic calculator - register for hematology differentials An electronic tabulator for computing and displaying running totals of six different cells as well as a running total of the combined cell count. Means are also provided for dividing the individual cell count by the total cell count to express the individ... | 01/31/1978 |
| 4065663 | Rate/time computer and control device A rate/time control device for computing an activity period. The control device includes a clock for generating a representation of present time and an element for storing a start time therein. A first input element provides an input to the storage device... | 12/27/1977 |
| 4053755 | Pedometer distance-measuring device An electronic pedometer is constructed by a combination of a calculator of the hand-held type and a weighted balance switch closed in response to the strides taken by the person wearing or carrying the pedometer. The stride-actuated switch is connected in... | 10/11/1977 |
| 4051913 | Electronic postage scale A method of and apparatus for determining and displaying the postal rate for a parcel to be shipped to a destination zone by a selected class of shipment in accordance with the weight of the parcel. A memory is provided with plural sections, each section ... | 10/04/1977 |
| 4049951 | Data retention apparatus Apparatus for retaining the data held in a directional counter in the event of the voltage level supplied to the counter falling below a predetermined level comprises a directional counter means for comparing the level of voltage supplied to the direction... | 09/20/1977 |
| 4047007 | Clocked digital counting system A system for processing cyclic signal pairs generated by an optical transducer to provide an accurate measurement of the displacement of one member with respect to a reference is suitable for determining weight by measuring spring scale tare deflection. T... | 09/06/1977 |
| 4006457 | Logic circuitry for selection of dedicated registers An MOS (Metal-Oxide-Semiconductor) integrated circuit includes four dedicated registers thereon, two of which are "write only" registers having the capability of being written into, but not read from, by means of buffer circuitry for coupling a bidirectio... | 02/01/1977 |
| 4006468 | Dynamic memory initializing apparatus Initializing apparatus for a dynamic memory causes data to be written into a different cell of each array of the memory during each refresh cycle until all the memory cells of the arrays have data written into them. The memory initializing apparatus then ... | 02/01/1977 |
| 3967254 | Charge transfer memory Output gate electrode structure between the storage matrix and the output register of a serial-parallel-serial (SPS) charge coupled device (CCD) memory. To permit high channel packing density in the matrix, the output register can have as few as M/N stage... | 06/29/1976 |
| 3967095 | Multi-counter register At the general area of a set of BCD counter means, each to contain individual accumulated counts, a system, called a multi-counter register, is generally located for its use that permits the individual reading of the counter means in a selective mode by l... | 06/29/1976 |
| 3965336 | Radio or television receiver with an automatic station finding arrangement In a radio or television receiver containing an automatic station finder with a digital counter, a clock generator, and a digital-to-analog converter forming the tuning voltage for the varactors, a recall memory consisting of two series-connected parallel... | 06/22/1976 |
| 3965340 | Optical counting device The apparatus of this invention relates to an optical counting apparatus which is to be employed in combination with an electronic handheld calculator. The structure of this invention greatly expands the use of the handheld calculator by permitting such t... | 06/22/1976 |
| 3962689 | Memory control circuitry A control circuit for reading from, and writing into, a random access memory into which successive data entries are stored at addresses in sequential binary order. A scan generator provides a repeated sequence of all sequential binary order addresses to t... | 06/08/1976 |
| 3953838 | FIFO Buffer register memory utilizing a one-shot data transfer system A FIFO (first-in-first-out) buffer register in which memory data words flow in parallel from an input register through a plurality of registers towards an output register under the automatic control of a one-shot (monostable multivibrator) data transfer s... | 04/27/1976 |
| 3953837 | Dual serial-parallel-serial analog memory A CCD shift register involves a serial input channel and a serial output channel interconnected by a plurality of parallel channels formed in a semiconductor body with separate arrays of multi electrode sets of phase electrodes overlying the input, parall... | 04/27/1976 |
| 3937932 | Digital frequency generator A digital frequency generator for producing a pulse output at a specified frequency is disclosed. The circuit is designed to operate in either of two modes in order to obtain high accuracy over a wide range of frequency operation. In a first mode, the cir... | 02/10/1976 |
