Class 340/870.22 - Permutation code

Subclass of Class 340 - Communications: electrical
Definition: Subject matter in which the pulse modulation is a code for
No. of patents: 38
Last issue date: 09/04/2007

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Number	Title	Issue Date
7263870	Gauge calibration method The instrument panel gauge assembly includes an applique having gauge graphics printed thereon and a needle pointer for a gauge assembly positioned adjacent thereto. A transparent chaplet is formed within the applique to allow light to pass through. The needle passe...	09/04/2007
6925169	Information entry device The objective of this invention is to protect the information entry such as a PIN from theft by observation of the finger movement based on the conventional fixed arrangement of entry keys. The present invention is an information entry device including: keys ...	08/02/2005
5880464	Optical meter reader using a shadow A meter reader for reading a meter by reading a shadow made by a meter pointer on the face of the meter. The meter reader includes a light source for shining a light toward the meter, a pulse control circuit for pulsing the light source, two light sensors...	03/09/1999
4584529	Method and apparatus for discriminating between genuine and suspect paper money There is disclosed a paper money discriminating method comprising the steps of scanning and detecting magnetism contained in a print portion in a predetermined area of paper money, and checking number of pulses in a pulse signal converted from a magnetism...	04/22/1986
4543576	System for measuring electrical resistance and temperature during manufacture of thin, conductive films deposited on substrates by means of evaporation or sputter deposition A system for measuring electrical resistance and temperature during the manufacture of thin, conductive films deposited on substrates by means of evaporation or sputter-deposition. A deposition unit with an evacuatable load lock chamber and a rotating sub...	09/24/1985
4277779	Time code generator A time code generator for generating a time-coded pulse sequence comprising a digital clock for generating time information in a BCD code, six BCD-to-decimal coder stages each coupled to a corresponding output terminal of the digital clock and six binary ...	07/07/1981
4276644	Tester and method for checking meter encoders in automatic meter reading systems Apparatus for use in an automatic meter reading system for displaying meter encoder generated dial readings and detecting errors in response to information contained in the encoder meter dial readings. Errors are detected through interdial checking by com...	06/30/1981
4205325	Keyless entry system A keyless entry system for an automotive vehicle permits a plurality of operations to be achieved from outside the vehicle by one who is knowledgeable of predetermined digital codes. Functions such as unlocking the doors of the vehicle, opening the rear d...	05/27/1980
4198889	Modulation circuitry for use in a music encoding system An apparatus for encoding data representative of keyboard music is disclosed. In the preferred embodiment, the data source is a keyboard which is played by a musician which incorporates a set of switches forming key closures. The closures themselves repre...	04/22/1980
4194177	Transducer system for continuous monitoring liquid levels in storage tanks and the like The liquid level within a storage tank network is continuously monitored by a transducer system of the present invention formed essentially of MSI's (Medium Scale Integrated Chips) including a differential pressure (dp) cell in circuit with a digital volt...	03/18/1980
4183014	Absolute encoding apparatus First and second similar rotary encoders are interconnected such that the first encoder actuates the second encoder to advance one position for each half revolution of the first encoder. The first encoder is coupled to monitor the position of a rotary com...	01/08/1980
4171520	Transponder system including an oscillator/ripple counter controlling a fixed gray code logic network in circuit with a driver/gate circuit for generating "red-alert" end condition digital signals in a storage tank gauging system A "red-alert" end condition digital signal is generated by a transponder system of the present invention formed essentially of MSI's (Medium Scale Integrated Chips) including an oscillator/ripple counter controlling a fixed Gray code logic encoding networ...	10/16/1979
4162486	Encoded electrical control systems Encoded electrical control systems for household applications each employ an encoder/transmitter that provides an encoded signal and a receiver/decoder which effectuates control of an associated device only upon receipt of a signal containing the code uni...	07/24/1979
4161720	Meter terminal unit for use in automatic remote meter reading and control system A meter terminal unit for use in automatic meter reading systems of the type including a control center for transmitting commands to and receiving measurement data from the terminal unit via a distribution unit serving several terminal units. The terminal...	07/17/1979
4160239	Transponder system including an oscillator/ripple counter controlling a fixed Gray code logic network in circuit with a decoder/driver network for generating "red alert" end condition digital signals in a storage tank gauging system A "red-alert" end condition digital signal is generated by a transponder system of the present invention formed essentially of MSI's (Medium Scale Integrated Chips) including an oscillator/ripple counter controlling a fixed Gray code logic encoding networ...	07/03/1979
4132981	Self-powered system for measuring and storing consumption of utility meter A system is disclosed for storing signals indicative of a customer's consumption of a utility as measured by a meter, such as adapted to measure the flow of water, gas or electricity, for example, and for storing a corresponding data word to permit subseq...	01/02/1979
4124839	Electro-optical method and system especially suited for remote meter reading Coded cylindrical drums mounted on the pointers of dials of a meter are provided with parallel axially aligned rows of data elements constituted by opaque and transparent areas. Each of the drums is provided with a transparent centrally located ring paral...	11/07/1978
4122438	Position encoding arrangements A position encoding arrangement is provided having a position locating area from which the positioned co-ordinates of a probe in the area can be found. The invention provides for a change of magnification of the arrangement so that movement of the probe p...	10/24/1978
4114138	Selective calling circuit A selective calling circuit includes a central control code generator for generating a digital stream having repetitions of selected code words of digital information for selectively calling a plurality of remote receiving stations in this circuit. Each r...	09/12/1978
4074242	Point selection and display system A point selection and display system for monitoring various parameters of a process, which enables the operator to select the particular parameters which are to be monitored and to select the particular display panel on which the value of each parameter i...	02/14/1978
4072052	Flow proportioner An apparatus is disclosed for measuring the rate of flow of a fluid or the volume of the fluid flowing past a point. The apparatus includes a first transducer device for measuring a fluid level upstream of a weir and a second transducer device for sensing...	02/07/1978
4062005	Synchro-to-digital converter employing common processing apparatus Circuitry monitors a plurality of rotating shafts, and provides a corresponding plurality of binary output words each characterizing the angular position of an associated shaft. Synchro and Scott "T" per-shaft monitoring elements are sampled by common mul...	12/06/1977
4047155	Universal data recording system Changes in the electrical state of devices connected to a plurality of wiring terminals are detected and recorded by a data recording system programmed to evaluate the terminals singularly or in groups of various combinations. A central controller is prog...	09/06/1977
4037219	Meter dial encoder for remote meter reading A meter dial encoder for converting angular dial pointer shaft positions includes a single track code pattern having binary coded arcuate sectors rotated by the shaft. The pattern is rotated adjacent a pattern sensing assembly including a single circular ...	07/19/1977
4035772	Utility meter reading system A number of remote terminals are connected to various utility meters to store the readings therein. A central terminal sequentially transmits signals to the remote terminals to actuate the same to transmit the meter readings to the central terminal. Each ...	07/12/1977
4031386	Optical transducer encoding apparatus An optical transducer encoding system for use with mechanical counting means such as intermittent movement type counting mechanisms is illustrated using a stationary support means thereof as a housing for a plurality of transducers which transmit light to...	06/21/1977
4027301	System for serially transmitting parallel digital data A system for transporting parallel digital data in which the parallel digital data is converted to serial digital data, transported as serial digital data, and then reconverted back to parallel digital data. Each parallel digital word to be transported is...	05/31/1977
4025914	Digital signal generator There is provided a digital signal generator for producing accurate digital signals according to the detected state of a combination consisting of mechanical and electrical elements. The generator has a signal section consisting of a predetermined conduct...	05/24/1977
4024518	Method and apparatus for position referencing the rotating drum of a scanner/plotter A method and apparatus are disclosed for referencing the position of a rotatable drum in a scanner/plotter. The rotatable drum is rotatable held in axial alignment by means of a drum headstock and a spring loader, moving center tailstock. An optical shaft...	05/17/1977
4005396	Digital displacement sensor with zigzag coils A digital displacement sensor includes a plurality of zigzag coils provided with projecting or convex portions having different pitches and arranged on the surface of a flat plate. A magnetic head consisting of a magnetic body and a coil is wound around p...	01/25/1977
3968691	Environmental condition sensing apparatus A Bourdon tube is situated down hole in an oil well or the like, and has attached thereto a coded wheel which rotates an amount determined by the sensed down hole pressure. The wheel has a number of transparent and opaque concentric bands thereon which fo...	07/13/1976
3962691	Device for the transmission over a distance of indications in particular of a meter A meter to be read which has indicator drums and an exterior connector and, on the other hand, a reading apparatus for making a reading of the indications of the drums detachably connected to the connector. A coding unit in the meter comprises for each dr...	06/08/1976
3961317	System for remote reading of indicating devices such as meters and the like A system for remote reading of indicating devices such as meters and the like, which devices are comprised of a plurality of switch contacts and associated resistance elements. The reading systems senses the closing of one or more of a group of device con...	06/01/1976
3959628	Electrical read-out apparatus A watt-hour meter or other visual read-out apparatus which may also be read electrically through the use of a plurality of code discs and a photoelectric sensing device in spaced juxtaposition with the back sides of the discs. The sensing device is suppor...	05/25/1976
3955188	Encoding technique for enabling a device to process different types of digital information transmitted along a single information channel A data processing system includes a first device which transmits different types of pulse coded digital information along a single channel to a second device for separation and distribution to a number of different outputs. The different types of digital ...	05/04/1976
3944928	Harmonic communication system A communication system comprising a transmitter for radiating a carrier frequency signal, which may be modulated, to a data station. The station includes a rectifier for rectifying the received carrier signal to provide energy to the station elements. A d...	03/16/1976
3937880	Magnetic disc coder-decoder 1. A magnetic disc coder-decoder comprising a rotatable magnetic disc mea said disc means being adapted to have a code comprising a plurality of tone bursts recorded thereon, means for rotating said disc means, means for taking said tone bursts from said...	02/10/1976
3932867	Television channel indicator The present invention relates to a television channel indicator and particularly to an indicator using a pair of readout devices, such as Nixie tubes, to give a visual indication of the selected television channel. A pair of coded surfaces are positioned ...	01/13/1976

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Class 340/870.22 - Permutation code