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| Patent # | Description |
|---|---|
| US-3,952,330 |
Electronic control circuit for the drive motor of a magnetic sound device An electronic control circuit is provided for a magnetic sound device of the type having a sound recording medium transport, a direct current drive motor for the... |
| US-3,952,329 |
Pulse compression recording Data signals are linearly recorded on a record medium as a sequence of discrete amplitude levels, each level occurring in a bit period. For each received data... |
| US-3,952,328 |
Film scanner for color television Apparatus for projecting a motion picture on a color television receiver screen with accompanying sound using the audio output apparatus of the television... |
| US-3,952,327 |
Aperture correction circuit for television A vertical aperture correction circuit for television in which two cheap narrow-band delay circuits are used for giving a line period delay by means of signal... |
| US-3,952,326 |
Dropout compensator for a trisequential color video playback system The invention relates to a dropout compensator for a trisequential color video playback system which compensates for dropouts in color video signals with a high... |
| US-3,952,325 |
Semiconductor memory elements A semiconductor memory element comprising a semiconductor substrate and an insulating layer thereon, a charge storage element located on a portion of the... |
| US-3,952,324 |
Solar panel mounted blocking diode An isolation or blocking diode for mounting alongside solar cells in solar cell panels such as used in flexible roll-up, rigid flat and cylindrical arrays, the... |
| US-3,952,323 |
Semiconductor photoelectric device A semiconductor photoelectric device of improved photoelectric and rectifying characteristics is provided by first forming a film or silicon dioxide on a main... |
| US-3,952,322 |
Photographic lighting system A plurality of vertical supporting members are upstanding from a base or support to define a parallepiped and adjustably support a plurality of horizontal... |
| US-3,952,321 |
Optical system for effecting indication within a finder in a single lens
reflex camera In a single lens reflex camera having a focusing plate, a pentaroof-prism and an eyepiece, an optical system for indicating information within the view field of... |
| US-3,952,320 |
Multiple flash lamp unit A multiple photoflash lamp unit is connectable to a camera in different orientations, and the lamps and electrical circuit are arranged so that in the different... |
| US-3,952,319 |
Plural image camera having automatic exposure control Automatic and rapid exposure control is incorporated in a camera having facilities for directing, along a common path, a pair of independent noncoincident light... |
| US-3,952,318 |
Shutter control circuit for cameras An electrical system to be used in a camera for controlling exposure time. The electrical system includes a pair of substantially identical constant voltage... |
| US-3,952,317 |
Camera shutter A camera shutter has opening and closing blades mounted to be sequentially moved to effect exposure of film in the camera. The opening blade moves to permit an... |
| US-3,952,316 |
Automatic diaphragm aperture control device for photographic camera In a photographic camera which controls a diaphragm aperture to an optimum aperture automatically, wherein the light from a photographic object which has been... |
| US-3,952,315 |
Eddy current discontinuity probe utilizing a permanent magnet bobbin
with at least one A.C. energized coil... Eddy-current inspection for cracks, flaws, etc, in rails, rods, etc. is conventional. For ferromagnetic material structures, it is found to be advantageous to... |
| US-3,952,314 |
Electrolytic pen A display and/or marking pen for use with an electrolytic type ink effective when subjected to an electric current to change color. The improved pen has... |
| US-3,952,313 |
Time recorder A time recorder for recording time data in columns by means of a time controlled printing device on a data medium, the printing device and data medium being... |
| US-3,952,312 |
Exposure control system for photographic apparatus A photographic camera apparatus of the type adapted for selective use with a source of artificial illumination includes a follow focus system embodying an... |
| US-3,952,311 |
Electro-optical printing system A high speed, electro-optical printing system for producing images, particularly images of type characters, on sheet material. A radiation sensitive,... |
| US-3,952,310 |
Crossed dipole and slot antenna in pyramid form Crossed dipole antenna apparatus configured so that the ends of adjacent dipoles are connected together to form a version of folded dipole antennas wherein there... |
| US-3,952,309 |
Doppler perspective navigation system employing the comparisons with a
reference source of signal phases... A perspective display of a runway is obtained on an aircraft by transmitting signals from selected marker positions about the runway. A plurality of sensors are... |
| US-3,952,308 |
Perspective navigation system employing the inner comparisons of signal
phases received on an aircraft by a... A perspective display of a runway is obtained on an aircraft by sequentially transmitting signals from selected marker positions about the runway. A plurality of... |
| US-3,952,307 |
Deactivating radar chaff 1. Deactivating radar chaff which becomes electrically inactive upon exposure to ultraviolet light and comprising: an electrically inert central element, a... |
| US-3,952,306 |
Serrodyne generator A serrodyne generator providing a constant peak amplitude sawtooth signal wherein a voltage controlled multivibrator (VCM) determines the frequency at which a... |
| US-3,952,305 |
Marine radar transmission and reception system A marine radar transmission and reception system in which first and second transmission pulse radar waves are emitted as first and second pulse radar waves from... |
| US-3,952,304 |
Tracking system utilizing Kalman filter concepts A monopulse radar tracking system is disclosed employing four tracking channels, one for each of range, velocity, azimuth and elevation. The two angle channels... |
| US-3,952,303 |
Doppler radar for forecasting collision A Doppler radar for forecasting collision, in which three consecutive Doppler signals are obtained by radiating microwave forwardly from the front of a car, the... |
| US-3,952,302 |
Synchronous detector with pulse repetition frequency modulation A moving target indicating radar that includes a coherent on receive system and a clutter referenced velocity compensator operating in association with a linear... |
| US-3,952,301 |
Digital adaptive speed control for vehicles A sensor, such as a radar, is mounted on a moving vehicle equipped with a speed control system which normally maintains the vehicle speed constant at a pre-set... |
| US-3,952,300 |
Sonar target converter 1. A sonar converter comprising in combination, radar means for echo-ranging on an aircraft target and producing a pair of output signals representing the range... |
| US-3,952,299 |
Data line correlator A line correlator for use as a pattern matching device in a high resolution radar system. Binary coded a priori target area information is digitally correlated... |
| US-3,952,298 |
Clock gated digital data encoding circuit A digital data encoding circuit for use in a one-way transmission system utilizes three 8-bit multiplexers to generate and transmit a 64-bit message. Each bit in... |
| US-3,952,297 |
Constant writing rate digital stroke character generator having minimal
data storage requirements A digital character generator with minimal storage requirements for use in random access display systems. Each character or symbol is made up of patterns of... |
| US-3,952,296 |
Video signal generating apparatus with separate and simultaneous
processing of odd and even video bits A system for generating video information on a display medium which is characterized by a character generation of high quality, variant font definition, and font... |
| US-3,952,295 |
Alarm system for cargo box An alarm system for a cargo box made up of a plurality of panels adapted to be assembled to form the box, in which each panel is provided with a conductor... |
| US-3,952,294 |
Smoke detection alarm system An emergency alarm system for detecting smoke in remote areas and for transmitting an indication of detected smoke, either via communications channels already... |
| US-3,952,293 |
Method and apparatus for displaying industrial process control parameters A deviation meter, responding to a deviation signal, is mounted on a turntable which rotates in response to a set point adjustment. Rotation of the turntable... |
| US-3,952,292 |
Magnetic bubble device driver Out-of-phase currents of trapezoidal or triangular waveshape are supplied to the drive coils of a magnetic bubble device. The induced magnetic field of the... |
| US-3,952,291 |
Readout system for magnetic bubbles A technique for enhancing readout of magnetic bubble data by producing two separate, complementary multiplicities of bubbles representing respectively the... |
| US-3,952,290 |
Read-only optical memory system An improved read-only optical memory system is provided comprising a mask ving a plurality of discrete increments of recorded information defined by variations... |
| US-3,952,289 |
Controller for linking a typewriter console to a processor unit A controller implemented on a single LSI MOS chip is described for linking a typewriter console to a processor unit. The controller comprises a FIFO ... |
| US-3,952,288 |
Multifrequency linear filter networks with active elements A linear filter network incorporating active elements, and which obeys the relation f.sub.t .varies..sqroot.G.sub.1 G.sub.2, where f.sub.t is the band-pass... |
| US-3,952,287 |
Data detection system A system for detecting data such as telecommunication calls, alarm calls, fire calls in which the rapidity of the locating of data is obtained by a simultaneous... |
| US-3,952,286 |
Time multiplexed electric wiring system for control and monitoring of
field points There is provided an electric wiring system in which a plurality of electric components, a plurality of command switches for actuating the electric components... |
| US-3,952,285 |
Security polling transponder system Transponder apparatus and a corresponding method for use in a security polling system having a central controller and a number of remotely located transponders... |
| US-3,952,284 |
Variable fluid pressure actuated vehicle tail light system A tail light system for a vehicle which indicates the severity of braking action of the equipped vehicle. Multiple tail lights are each operated by individual... |
| US-3,952,283 |
Group recorder alarm This invention concerns a status alarm for a seismometer group recorder. In using group recorders, the automatic recording feature leaves the field personnel... |
| US-3,952,282 |
Two-receiver, variable-density logging system An acoustic velocity logging tool employs a transmitter and a pair of receivers. Acoustic pulses from the transmitter pass through the formation surrounding the... |
| US-3,952,281 |
Method of marine reflection-type seismic exploration Seismic exploration method applicable to marine surveys. It involves making a dual spread of detectors which are spaced apart vertically. The signals received at... |
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