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Patent # Description
US-4,873,524 Decoding unit for CMI-encoded signals
Decoding unit for CMI-encoded input signals. A signal having 0/1 transitions is first derived from a signal. A 0/1 transition occurs in a CMI-signal as the...
US-4,873,523 Shallow water indicator for a boat
Disclosed is a shallow water detector (10) for a boat (12) comprising a main housing (16) positionable on the boat (12), a source of electrical energy (102), a...
US-4,873,522 Method for transmitting downhole data in a reduced time
A tool face orientation of a directional drill bit within a borehole is efficiently communicated to the well surface by communicating only changes in the tool...
US-4,873,521 Address administration unit of a multi-processor central control unit of a communications switching system
An address management unit is provided for the conversion of logical addresses contained in a program into physical addresses for a multi-processor central...
US-4,873,520 Paging receiver for storing digitized voice messages
A selective call paging receiver for receiving analog voice information converts the analog information to digital information and stores the digital information...
US-4,873,519 Paging receiver having independent memory areas for common and individual addresses
In a paging receiver with an individual paging number and at least one common paging number, there is provided memory means including individual memory means...
US-4,873,518 Pulse width discriminating circuit
A pulse width discriminating circuit is disclosed which makes possible the selection of pulses having a width less than and greater than predetermined limits. At...
US-4,873,517 Method for selecting least weight end node to end node route in a data communications network
When computing a least weight path from an origin node to a destination node in a data communication network, a route-computing network node uses information...
US-4,873,516 Method and system for eliminating cross-talk in thin film transistor matrix addressed liquid crystal displays
In a liquid crystal display, and more particularly, in a thin film transistor matrix addressed liquid crystal display, a method and means are provided for...
US-4,873,515 Computer graphics pixel processing system
A line-filtering antialiasing apparatus for a computer graphics display, with a set of parallel pixel processors functioning independently in a line drawing...
US-4,873,514 Video display system for scrolling text in selected portions of a display
In a CRT display system, its screen is divided into a least two partitions or viewports for displaying different data groups, and characters in one of the groups...
US-4,873,513 Automated map display system
An automated map display system stores in an optical storage unit a plurality of map portion images generated from any assortment of physical maps having various...
US-4,873,512 Active shaft grounding and diagnotic system
In a steam turbine-generator system wherein the turbine shaft is subject to an electrostatic charge buildup, an active grounding system continuously maintains...
US-4,873,511 Device for forecasting breakage cables in an industrial robot
An industrial robot and a device for forecasting breakage of cables, which is capable of predicting the time of breakage of cables provided between a control...
US-4,873,510 Ice detector with movable feeler
An ice detector comprises a housing from which a feeler is adapted to be projected through an aperture--if ice does not cover the aperture the feeler moves...
US-4,873,509 Vehicle position indicator
A vehicle position indicator apparatus is positionable to detect a forwardmost position of a vehicle to provide an audible alarm for such position. An elongate...
US-4,873,508 Variable resistance thermal protector and method of making same
The resistance of a thermal protector is varied by forming different sizes of holes therethrough to vary the area. The external size and shape of the thermal...
US-4,873,507 Encapsulated thermal protector
A thermal protector encapsulated in an inner layer of energy-absorbing material and an outer layer of stretchable elastomeric material. The inner and outer...
US-4,873,506 Metallo-organic film fractional ampere fuses and method of making
A fractional amp fuse (10) with a thin film fusible element (16) connecting thick film pads (14) supported by a polished insulating substrate (12). The fuse...
US-4,873,505 Electric noise absorber
An electric noise absorber for holding a conduit of an electronic device comprises a retaining case composed of two box-shaped cases and auxiliary cases. A...
US-4,873,504 Bonded high energy rare earth permanent magnets
A permanently magnetizable composite is made from rare earth permanent magnet material by incorporating coarse particles of the material into a workable binder...
US-4,873,503 Electrical coils
A magnetic field of required strength is provided in a desired space by a set of electrical conductors supplied with an electrical current or currents the...
US-4,873,502 Negative immittance converter
A negative admittance converter or a negative impedance converter can be formed from a negative immitance converter having two preferably identical transformers...
US-4,873,501 Internal transmission line filter element
An improved transmission line filter element allows a higher difference between even and odd mode impedances than previously obtainable from planar structures....
US-4,873,500 Phase accumulation continuous phase modulator
A general purpose continuous phase modulator is shown which greatly reduces the amount of memory and associated hardware complexity traditionally found in...
US-4,873,499 Fast rise pulse oscillator
A circuit and method of operation thereof for initiating a fast rise pulse scillator in a projectile fuzing system is less susceptible to external counter...
US-4,873,498 Reflection oscillators employing series resonant crystals'
A reflection oscillator is provided which employs an active device operated in its roll-off region and two resonant circuits. For an oscillator employing a...
US-4,873,497 Wide band voltage controlled R-C oscillator for use with MMIC technology
A wide band tunable microwave oscillator for monolithic microwave integrated circuits. The oscillator does not use varactors or inductors for oscillation, but...
US-4,873,496 Tuned oscillator
A tuned oscillator is disclosed which consists of an active element for oscillation, a ferrimagnetic resonant element connected to part of feedback of the active...
US-4,873,495 Ultrahigh-frequency oscillator having a dielectric resonator stable with respect to mechanical vibrations
An ultrahigh-frequency oscillator (10) stabilized by a dielectric resonator (20) comprising a housing (11) closed by a cover (12) and having a circuit (13)...
US-4,873,494 Inductive loop presence detector with cross talk filter
An inductive loop presence detector, more especially a vehicle detector, including a loop oscillator having an inductive loop connected as a frequency...
US-4,873,493 Audio amplifier
An audio amplifier whose operating point and supply voltage can be change in response to a level of an input signal. The audio amplifier includes a delay circuit...
US-4,873,492 Amplifier with modulated resistor gain control
An automatic gain control circuit for an amplifier operating over a prescribed frequency range detects the output level of the amplifier; and couples a repeated...
US-4,873,491 Phase shift circuit utilizing a variable time delay line
A closed loop variable phase shift circuit utilizing a variable time delay line controlled by feedback provided by a phase detector. The circuit employs feedback...
US-4,873,490 Circuit arrangement for generating an output signal that is nonlinearly dependent on the temperature
A circuit arrangement is proposed which generates a temperature-dependent output signal that has a virtually ideally quadratic temperature dependency. The...
US-4,873,489 Method and apparatus for measurement of charge entrained in fluids
The density of charge entrained in fluids such as oils in transformer systems, capacitors, cables, pumps and fuel transfer systems is measured by introducing the...
US-4,873,488 Induction logging sonde with metallic support having a coaxial insulating sleeve member
Induction logging sonde including transmitter and receiver solenoid coils mounted on a support and axially separated from each other. The support is made of...
US-4,873,487 Method and arrangement for suppressing coherent interferences in magnetic resonance signals
In NMR images, which are constructed from resonance signals, for example with Fourier zeugmatography, due to coherent interferences, for example, as a result of...
US-4,873,486 Magnetic resonance spectrometer
A magnetic resonance spectrometer in which, at least in the receiving branch, the received spin resonance signal is transposed by successive mixing processes...
US-4,873,485 Electro-optic signal measurement
Direct voltage measurements of electrical signals are extracted from transmission lines for display in a manner to permit such measurements with picosecond...
US-4,873,484 Extended range composite head power sensor with three circuit branches having a common node
A probe for sensing radio frequency power, utilizing two independently-driven radio frequency-sensitive diodes. The two diodes are driven through a common RF...
US-4,873,483 Multi input lightning detection system
An apparatus for providing a map-like display of weather phenomena such as lightning discharges, in which the distance from an observation location to the source...
US-4,873,482 Superconducting transmission line particle detector
A microvertex particle detector for use in a high energy physic collider including a plurality of parallel superconducting thin film strips separated from a...
US-4,873,481 Microwave radiometer and methods for sensing atmospheric moisture and temperature
A passive, multi-channel microwave radiometer includes an antenna-lens assembly for receiving, and a first waveguide designed to provide a common path for...
US-4,873,480 Coupling network for improving conversion efficiency of photovoltaic power source
A switching network for improving the conversion efficiency of a photovoltaic power supply comprises a variable coupling circuit for coupling an array of...
US-4,873,479 Battery charger
A battery charger has a recess for accommodating a battery pack, and charging electrodes projecting into the recess. The battery pack is charged when the battery...
US-4,873,478 Method and apparatus for controlling an alternating current motor particularly at low speeds
A system for controlling a polyphase electric motor, particularly at low speeds, using a load commutated inverter includes the generation of half sine wave...
US-4,873,477 Driving circuit for actuator
The actuator has a displacement detector and is driven intermittently through a given displacement. A mean amount of drive signals per one intermittent drive...
US-4,873,476 Robot control apparatus for controlling a manipulator through a robot arm having a plurality of axes
A robot control apparatus has servo CPUs (c.sub.1, c.sub.2) provided in control loops of respective servomotors (e.sub.1, e.sub.2) for driving and controlling...
US-4,873,475 Electrically powered power steering system for industrial vehicle or the like
In order to prevent a sudden kickback through the steering wheel which tends to occur when an electrically powered steering motor is de-energized and the vehicle...
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