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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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3906483 |
Compass display circuit
For use with a digital magnetic compass providing a serial pulse train representative of compass heading, a display circuit for converting received pulse trains into parallel codes for driving a...
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3895351 |
Automatic programming system for standardizing multiplex transmission systems
An automatic programming system for standardizing multiplex transmission systems to accommodate additional inputs. The plurality of inputs to be transmitted are respectively addressed from a...
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3893090 |
Position indication system
A position indication system for displaying the position of a movable element with respect to fixed known coordinates. A plurality of sensors, individually responsive to the elements pressence, are...
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3885230 |
System for improving the reliability of indicator arrangements
This invention relates to a system for improving the reliability of indicators which contain illuminable paths used as indication means. The illuminable paths consist of a series of light sources...
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3875406 |
Optical system for automatic meter reader
An optical system, comprising a single light source, collimating optics, collecting optics, and a detector, sequentially scans coded, apertured discs to produce a pulse code indicative of the...
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3875534 |
Technique to PCM high power lasers
The high powered lasers are pulse code modulated in accordance with an ang signal. A delta modulator breaks the analog signal into a series of digital information. This information is fed to an...
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3858191 |
DIGITAL MULTIPLEXED POSITION INDICATION AND TRANSMISSION SYSTEM
A digital position indication system for displaying the relative position of at least one movable element with respect to fixed known coordinates. A sensory system is provided for each movable...
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3854122 |
REMOTE STATION ADDRESSING SYSTEM
A remote staton is disclosed for use in a supervisory system capable of effecting both monitoring and controlling functions. The station includes transmitter and receiver sequencers for both...
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3846788 |
POLYDECADE DECIMAL TO DIGITAL ENCODER
A polydecade decimal-to-digital encoder for providing unambiguous digitally encoded signals corresponding to the analog decimal reading present on a utility meter or the like. An electroluminescent...
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3846789 |
REMOTE-READING REGISTER WITH ERROR DETECTING CAPABILITY
A remote-reading register includes an optical encoding mechanism for encoding the angular position of each shaft in a six bit digital code. The mechanism comprises a six bit slotted gray code disc...
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3840866 |
METER READING
There is disclosed apparatus for reading a meter, located in a building or other enclosure out of sight from the exterior of the building, by bringing a portable unit, which may be carried by meter...
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3831170 |
POSITION INDICATING APPARATUS AND DIGITAL CIRCUITRY FOR IT
Indicating apparatus includes an incremental shaft position encoder having a shaft whose angular position is to be indicated. A multi-phase electrical signal developed by the encoder in response to...
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3829835 |
MULTI-SIGNAL ENCODER AND TRANSPONDER
A position encoder and transponder for use in an automatic remote meter reading system and including disc means coupled to the meter being read and perforated in accordance with a position code and...
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3825911 |
REMOTE READING COMPASS SYSTEM
A magnetic compass system having an inductor element which is responsive to the magnetic field generated by a magnet system attached to a compass card, or directly from the earth's natural magnetic...
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3820074 |
REMOTE OPERATING CONDITION DATA ACQUISITION SYSTEM
Data readings indicative of a plurality of different operating conditions of a radio navigation aid transmitter are automatically taken and means are provided for converting the data readings to a...
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3820073 |
SOLID STATE REMOTE METER READING SYSTEM HAVING NON-VOLATILE DATA ACCUMULATION
A solid state remote meter reading system includes modular metering chip circuits for counting meter initiated pulses and automatically transmitting encoded meter data pulses. Each metering circuit...
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3820096 |
MECHANO-OPTICAL DIGITAL POSITION-INDICATING SYSTEM WITH VERNIER READING
A code carrier with several parallel tracks moves past a first reading head which feeds a digital indicator, through several bundles of light-conductive filaments assigned to respective digital...
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