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| Patent # | Description |
|---|---|
| US-4,419,720 |
Trouble lamp A trouble lamp is constructed to provide a sliding movement between a light bulb and a reflector shield with slip friction fit between parts such that they may... |
| US-4,419,719 |
Luminaire Luminaire for a tubular discharge lamp, having an elongate housing (1) the ends of which comprise means (4, 5) for accommodating the lamp, at least an electric... |
| US-4,419,718 |
Pocket flashlight The simple switch of a small pocket flashlight consists of a single spring wire conductor extending from the center post positive terminal diagonally downwardly... |
| US-4,419,717 |
Ceiling supported lighting fixtures In a ceiling supported lighting fixture, an improved mounting device is provided, having clamping plates with a notch for receiving a ceiling support member. The... |
| US-4,419,716 |
Vapor proof housing assembly and system A sealed vapor proof housing assembly in combination with a system for isolating an electrical device from the ambient atmosphere comprising a casing having a... |
| US-4,419,715 |
Bus bar assembly for panelboards and switchboards A versatilely cnnectible bus bar assembly adapted to carry 200-800 amperes in a panelboard or switchboard environment. The assembly includes a plurality of... |
| US-4,419,714 |
Low inductance ceramic capacitor and method for its making Described is an improved common faced terminated multi-layer ceramic capacitor structure capable of embodying multiple capacitors of various maximum voltage and... |
| US-4,419,713 |
Multiple electrode series capacitor This specification discloses a multigap series construction for multiple electrode monolithic capacitor structures employing ceramics. The voltage rating of such... |
| US-4,419,712 |
Electronic door locking system for an automotive vehicle An electronic door locking system for an automotive vehicle with which vehicle doors can be locked, by depressing a proper push-button type switch representative... |
| US-4,419,711 |
Method and apparatus for the protection of electrical equipment from
high voltage transients This invention provides a high voltage transient protection unit comprising a recoverable spark gap, an L-C filter, a voltage variable resistor and provision for... |
| US-4,419,710 |
Case for a disc-shaped recording medium A case for a disc-shaped recording medium is used in a disc-shaped recording medium reproducing apparatus. The reproducing apparatus is provided with a turntable... |
| US-4,419,709 |
Case for a disc-shaped recording medium A case for a disc-shaped recording medium operates together with a disc-shaped recording medium reproducing apparatus provided with an inserting opening through... |
| US-4,419,708 |
Magnetic recording tape cartridge A magnetic recording tape cartridge having means for placing the cartridge in a standard position of a tape player by means of at least one standard pin provided... |
| US-4,419,707 |
Flexible band positioning device for a read/write head A flexible band positioning device arranged to convert rotaty motion of an outout drum of a stepper motor to linear motion of a carriage supporting a read/write... |
| US-4,419,706 |
Mode switching mechanism for a cassette tape recorder The present invention is a retracting mechanism for use in combination with a tape recorder. The tape recorder includes a base plate, a capstan drive for driving... |
| US-4,419,705 |
Ferrite beveled core for magnetic head A core for a magnetic head assembly includes a T-shaped ferrite member having an aperture for the transducing coil and a beveled edge along the top of the T. A... |
| US-4,419,704 |
Bernoulli plate for stabilization of flexible magnetic disk An improved Bernoulli plate for juxtaposition to a rotating flexible magnetic disk so that the disk is rendered substantially rigid by a vacuum formed by the air... |
| US-4,419,703 |
Disc cartridge loading mechanism The present invention relates to a magnetic disc storage system of the type including a housing having an openable front door for receipt of a cartridge... |
| US-4,419,702 |
Auto-reverse device for a two-reel type tape recorder When the rotating direction of a driving rotator driven by a motor is changed in synchronism with a change of the rotating direction of the motor, a rocking... |
| US-4,419,701 |
Data transducer position control system for rotating disk data storage
equipment Improvements in a system for controlling the position of a head carriage structure of a rotating disk data storage system are disclosed. The improvements include... |
| US-4,419,700 |
Dual-track spiral recording and associated system Techniques and associated apparatus for a magnetic disk transducing system adapted to record along spiral tracks in a Herringbone pattern, using a pair of... |
| US-4,419,699 |
Digital on video recording and playback system In a system for recording digital information on a video disc and for playback of the digital information therefrom, the digital data is recorded in synchronism... |
| US-4,419,698 |
Color video signal recording and/or reproducing system A color video signal recording or reproducing system has a recording system which separates a luminance signal (including a horizontal synchronizing signal) and... |
| US-4,419,697 |
Facsimile apparatus A facsimile apparatus is disclosed which, in a standby condition, displays the date and time, in a transmission mode displays the name of a receiving facsimile... |
| US-4,419,696 |
Elongate thin-film reader A manuscript reader comprises an amorphous silicon film sandwiched between at least one transparent electrode and a plurality of metal electrodes formed on an... |
| US-4,419,695 |
Television sound receiver A television sound receiver having an input terminal for receiving a television sound signal, a tuner including a local oscillator connected to the input... |
| US-4,419,694 |
Frequency-sensitive switching circuit and method A frequency-sensitive switching circuit includes a selectively-operable switch and a sampling circuit for controlling the switch. First and second signals are... |
| US-4,419,693 |
Error concealment in digital television signals A method of concealing errors in a digital television signal formed by a plurality of sample signals corresponding respectively to sample positions along a... |
| US-4,419,692 |
High speed infrared imaging system The present invention is a method of referencing and operating an infrared imaging system that may be used with virtually any system. A preferred embodiment of... |
| US-4,419,691 |
Method for the improved reproduction of image in reproduction technology Refined recording of line contours in electronic reproduction technology, whereby the recording takes place by means of several selectively drivable recording... |
| US-4,419,690 |
Method and apparatus for producing a half-tone reproduction A half-tone reproduction of an original image is made by exposing an output surface OS such as a film wrapped around a rotating drum to a modulated, ... |
| US-4,419,689 |
Digital color modulator An interface circuit for converting a digital signal representing a dot-by-dot color video signal into a NTSC signal compatible with a television antenna input... |
| US-4,419,688 |
Color-television receiver with at least one digital integrated circuit
for processing the composite color signal The color television receiver includes a square-wave clock generator used as a chrominance subcarrier oscillator generating at least four clock signals, the... |
| US-4,419,687 |
Compatible component digital system A sampled color video signal is recorded in component form in a plurality of channels. The form of the signal is chosen so that if only one channel is available... |
| US-4,419,686 |
Digital chrominance filter for digital component television system A digital chrominance signal in a digital component television system is digitally filtered to obtain sampling values intermediate the sampled values obtained... |
| US-4,419,685 |
Semiconductor device A lateral transistor having a high breakdown voltage and operable with an improved current amplification factor and an improved cut-off frequency comprises in a... |
| US-4,419,684 |
Semiconductor integrated circuit Well regions of p-type are disposed in a surface region of an n-type Si substrate of a semiconductor integrated circuit. The p-type well regions are arranged in... |
| US-4,419,683 |
Thyristor having a controllable emitter short circuit In a thyristor, a junction field effect transistor is provided for controlling an emitter short circuit. The thyristor has an outer n-emitter, an outer... |
| US-4,419,682 |
Three level poly dynamic ram with poly bit lines First polycrystalline silicon layers are insulatively disposed over a p-type semiconductor substrate. Second polycrystalline silicon layers are formed on the... |
| US-4,419,681 |
Zener diode A Zener diode having a surface-adjoining first region of a first conductivity type, a second region of the second opposite conductivity type situated within the... |
| US-4,419,680 |
Electrographic printing system An electrographic printing system comprises oppositely opposed print and complement electrode means to produce a dielectric breakdown through a recording medium... |
| US-4,419,679 |
Guadrascan styli for use in staggered recording head A recording head for use in an electrostatic printer comprises four staggered rows of styli. Signals for driving each row of styli are transmitted through a... |
| US-4,419,678 |
Ink jet recording apparatus An ink jet recording apparatus has a recording liquid container storing recording liquid therein, a recording head which is supplied with the recording liquid... |
| US-4,419,677 |
Ink jet recording apparatus An ink jet recording apparatus has a recording liquid container storing recording liquid therein, a recording head supplied with the recording liquid from the... |
| US-4,419,676 |
Method of recording signals on bands by means of laser beams and
apparatus for carrying out the method A method for recording character or marking signals by multi-beam laser technique, in which the characters are recorded in multi-rastered bands in such a way... |
| US-4,419,675 |
Imaging system and method for printed circuit artwork and the like Imaging system and method suitable for producing artwork masters for use in the manufacture of printed circuit boards. A beam of coherent radiation is modulated... |
| US-4,419,674 |
Wire wound flat-faced charge plate A planar-faced charge plate having individual charge electrodes uniformly spaced along one end face thereof is provided by wrapping a length of wire around a... |
| US-4,419,673 |
Ink droplet ejection system An ink droplet ejection system includes a pair of electrodes located in the vicinity of an ejection nozzle which defines an outlet of an ink supply passageway.... |
| US-4,419,672 |
Point locator and graphics digitizer system A system for accurately locating upon a surface any number of finite points, recording those locations together with such additional information as is desired to... |
| US-4,419,671 |
Small dual frequency band hybrid mode feed The present invention relates to a small hybrid mode feed for dual frequency band use. In the present feed, a helically wound wire structure (10) is bonded to... |
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