Searching:
Search by keyword, patent number, inventor, assignee, city or state:
| Patent # | Description |
|---|---|
| US-4,679,052 |
Automobile antenna device An automobile antenna device in which broadcasted waves received by the automobile body is efficiently detected so that the various kinds of receivers equipped... |
| US-4,679,051 |
Microwave plane antenna A microwave plane antenna in which antenna bodies carrying thereon respectively at least a pair of microstrip lines are mounted to a supporting frame through... |
| US-4,679,050 |
Pulse radar apparatus Described is a pulse radar apparatus having a repetition period containing m wobbles. The pulse radar apparatus is provided with: a transmitting and receiving... |
| US-4,679,049 |
Delay simulator for FM-CW range measuring apparatus An FM-CW range measuring apparatus (1) to be tested generates a beat signal Fb at the frequency fb between transmitted and received waves. A simulator connected... |
| US-4,679,048 |
Adaptive spread spectrum radar An adaptive radar system is presented which is capable of identifying interference frequencies and changing the system operating frequencies to permit radar... |
| US-4,679,047 |
Terminal-guidance or position-adjustment system for aircraft using
distance and angle measurements An aircraft is equipped with a system of the FM-CW type including an on-board radio altimeter which cooperates with a transponder/beacon located at A. The radio... |
| US-4,679,046 |
Transponder systems In a transponder adapted to be attached to an object to be identified, an interrogator for interrogating the transponder utilizes an antenna system including... |
| US-4,679,045 |
Sequencing data transmission process In a data transmission system wherein data are transferred between a control station and a plurality of tributary stations under the control of the control... |
| US-4,679,044 |
Arrangement for illuminating passive display In a device for the illumination of a passive display element a flat light guide element made of plexiglass is arranged immediately behind the passive display... |
| US-4,679,043 |
Method of driving liquid crystal matrix display A drive method for a liquid crystal matrix display panel whereby the display is driven as two or more separate regions, with each region being successively... |
| US-4,679,042 |
Bar/dot level meter A device for providing a visual indication of the value of a variable of an electrical signal has a plurality, n, of driver circuits each having an input... |
| US-4,679,041 |
High speed Z-buffer with dynamic random access memory The present invention provides apparatus and methods which are most advantageously used in conjunction with a computer display system incorporating the use of a... |
| US-4,679,040 |
Computer-generated image system to display translucent features with
anti-aliasing A computer-generated image system that is described in the Disclosure has a videoprocessor circuit with an integrator circuit to assign a predetermined... |
| US-4,679,039 |
Smoothing discontinuities in the display of serial parallel line segments Apparatus that smoothes the discontinuities between serial parallel straight line segments by adding auxiliary dots of lesser diameter below the larger main dots... |
| US-4,679,038 |
Band buffer display system Pixel representations for each of a plurality of superimposed (or splitscreen) display portions are accumulated in a band buffer prior to being transferred to... |
| US-4,679,037 |
Attachment for smoke alarms An attachment is provided which can be retrofitted to conventional smoke alarms to make it possible to deactivate the smoke alarm in order to avoid operation of... |
| US-4,679,036 |
Signalling device for indicating a nursed person in a bad sleeping
condition The present invention discloses a signalling device for indicating a person, who is being nursed, in a bad sleeping condition comprising: means for detecting the bad... |
| US-4,679,035 |
Tri-signal electromagnetic article surveillance system In a method for electronic surveillance of articles in a given area, one preselects first and second zones in the area respectively for surveillance and... |
| US-4,679,034 |
Infrared intrusion sensor with preliminary and primary alarms An intrusion alarming apparatus according to this invention detects the human body present in a sensing zone thereof and sends out warning information by means... |
| US-4,679,033 |
Structure of vibration sensor A new structure of vibration sensor mainly comprising two metal conducting plates on its body, one of which is installed with an adjusting screw and the other... |
| US-4,679,032 |
Procedure and means for producing a contrast image A procedure and an apparatus for producing an image based on contrast discrimination in an image forming apparatus with one-dimensional or multidimensional image... |
| US-4,679,031 |
Device to facilitate the arming of an alarm system and to provide
lock-out protection A burglarproof device which can facilitate the activation of an alarm system and can provide lock-out protection. It uses a set of correct-signal generating reed... |
| US-4,679,030 |
Chording keyboard for generating binary data A data entry device wherein key switches may be pressed singly and in combination to generate a binary number corresponding to specific characters and character... |
| US-4,679,029 |
Optoelectronic rotational position sensor An apparatus is disclosed for sensing rotational or angular position of a shaft. The apparatus incorporates two light transmission paths, each having a separate... |
| US-4,679,028 |
Fault detection algorithm for successive-approximation A/D converters An improved fault detect algorithm and circuit is disclosed which quickly evaluates substantially all the elements within a successive approximation A/D... |
| US-4,679,027 |
Video display control unit A video display control unit controls characters to be displayed on a sequential scanning display unit (4). Namely, it reads address-specifying information and... |
| US-4,679,026 |
Car radio theft alarm system To actuate an alarm in an automotive vehicle, already present therein, upon theft of a car radio or the like, an electrical switch is formed by a leaf spring... |
| US-4,679,025 |
Construction for electrical control panel An electrical part, either of rotary type or linear slide type, including a circuit pattern, a sliding member sliding on the circuit pattern, and an operating... |
| US-4,679,024 |
Potentiometer contact wiper A potentiometer which includes a wiper element having a plurality of contact fingers each mounted for wipeable engagement with a cermet resistance element... |
| US-4,679,023 |
Over-temperature control for a thermostat An over-temperature control for a thermostat uses an electrical contact actuator of a memory metal having an ability to change its physical configuration at a... |
| US-4,679,022 |
Magnetic field generating device for NMR-CT A magnetic field generating device for nuclear magnetic resonance-computerized tomography of the type wherein permanent magnet assemblies of a pair opposing... |
| US-4,679,021 |
Magnetic retention plate with permanent magnets Longitudinal and transverse rows of pole pieces are flanked by pairs of rows of fixed permanent magnets in one direction and by movable permanent magnets in... |
| US-4,679,020 |
Superconducting solenoid and method of making same A superconducting solenoid and a method of making the same in which the density of the current flowing through the windings can be made a sufficiently high... |
| US-4,679,019 |
Trip actuator for molded case circuit breakers An electronically driven trip actuator for multipole industrial rated molded case circuit breakers is installed within a common housing with the circuit breaker... |
| US-4,679,018 |
Circuit breaker with shock resistant latch trip mechanism A circuit breaker apparatus characterized by a molded case containing a circuit breaker structure for opening and closing a circuit which structure comprises a... |
| US-4,679,017 |
Emergency manual actuation mechanism for a solenoid An emergency manual actuation mechanism for a conventional solenoid having a plunger with one end connected to an external apparatus, such as a diesel engine... |
| US-4,679,016 |
Interchangeable mechanism for molded case circuit breaker An interchangeable operating mechanism assembly for molded case circuit breakers having a detachable movable contact arm and trip unit assembly allows the same... |
| US-4,679,015 |
Ferromagnetic resonator A ferromagnetic resonator comprises a nonmagnetic substrate, a ferrimagnetic thin film element formed on a major surface of the nonmagnetic substrate, a strip... |
| US-4,679,014 |
Filter functioning with acoustic waves A surface wave filter is provided with digital structures formed of strip-shaped coatings which are photolithographically produced. The digital structures have... |
| US-4,679,013 |
Filtered electrical connector A filtered electrical connector for connection to a complementary electrical connector is disclosed. The connector is comprised of a dielectric housing means... |
| US-4,679,012 |
Magnetostatic-wave device Transversal characteristic filter using a magnetostatic-wave device having amplitude weighted transducer assemblies. The input transducer includes a ... |
| US-4,679,011 |
Waveguide directional coupler family with a common housing having
different sets of conductive block insertable... A family of waveguide branch directional couplers having various coupling values is adapted for using the same housing dimensions for all members of the family.... |
| US-4,679,010 |
Microwave circulator comprising a plurality of directional couplers
connected together by isolation amplifiers A gallium arsenide isolator has a common gate FET for amplifying a microw signal, the common gate FET being connected to a common drain FET for transmitting the... |
| US-4,679,009 |
Polarized signal receiving apparatus A polarized receiving apparatus in which there is provided a first waveguide for transmitting polarized signals and a second waveguide secured to the first for... |
| US-4,679,008 |
Sharp mode-transducer bend for overmoded waveguide A sharp, mode-transducing bend structure for circular TE.sub.01 overmoded waveguide systems is formed by first transducing from circular TE.sub.01 waveguide into... |
| US-4,679,007 |
Matching circuit for delivering radio frequency electromagnetic energy
to a variable impedance load A matching circuit is provided for delivering radio frequency electromagnetic energy from a radio frequency power supply to a variable impedance load such as a... |
| US-4,679,006 |
50% duty cycle relaxation oscillator with latch-up prevention circuit An oscillator circuit is disclosed in which a charging path is provided through a charging transistor and a discharging path is provided through a discharging... |
| US-4,679,005 |
Phase locked loop with frequency offset A phase-locked loop for generating an output signal whose phase is locked onto that of a reference signal and whose frequency is offset in respect to an integral... |
| US-4,679,004 |
Frequency synthesizer of a phase-locked type with a sampling circuit A frequency synthesizer comprises a voltage controlled generator (11) for generating an output signal of a desired frequency in response to a control signal and... |
| US-4,679,003 |
Frequency divider circuit and frequency synthesizer using the same A wide band analog frequency divider circuit operable at a high frequency in the GHz band, and a frequency synthesizer utilizing the analog frequency divider... |
Copyright 2008−2012 Patents.com
