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| Patent # | Description |
|---|---|
| US-4,839,773 |
Dielectric filter In a dielectric filter which has a plurality of dielectric resonators of a TM.sub.010 mode or its modified mode, each dielectric resonator has one dielectric... |
| US-4,839,772 |
Capacitive discharge electronic ignition system for automobiles An apparatus for the generation of ignition voltage to a spark plug within an ingition system of an automobile includes an integrated circuit inverter for... |
| US-4,839,771 |
Apparatus for providing a lightning protective vehicle surface An improved composite structure is disclosed for a lightning protective skin member of an aircraft vehicle surface. The skin member includes first and second... |
| US-4,839,770 |
Control circuit with validity-determining arrangement An arrangement is provided for checking the validity of a sensed-current signal from a current-sensing device. The sensed-current signal represents the current... |
| US-4,839,769 |
Driver protection circuit A reverse battery and loss of positive supply voltage detector circuit includes a power field effect transistor for switching a stored inductive energy to the... |
| US-4,839,768 |
Protection of integrated circuits from electrostatic discharges The influence of the resistance of the connection between a terminal of voltage limiting diodes against discharges of electrostatic nature which may hit a pad of... |
| US-4,839,767 |
Element and device for detecting internal faults in an insulating gas
charged electrical apparatus An element for detecting internal faults in an insulating gas charged electrical apparatus comprises a substrate disposed in the electrical apparatus charged... |
| US-4,839,766 |
Disk cartridge with improved shutter moving mechanism A disk cartridge having a cartridge casing provided with head entry apertures and rotatably housing a disk recording mechanism. A shutter opens and closes the... |
| US-4,839,765 |
Magnetic recording diskette with offset wiping fabric Prior magnetic recording diskettes have a wiping fabric, edges of which register with edges of jacket openings, thus involving a hazard of loose fibers. In the... |
| US-4,839,764 |
Disk mechanism in a disk player A disk player comprising a turntable and a clamp mechanism for clamping a disk put on the turntable, the clamp mechanism pushing the disk in cooperation with the... |
| US-4,839,763 |
Composite magnetic head core A composite magnetic head core, having a first and a second integral core assembly. Each core assembly includes a first ferrite core element having a C-shaped... |
| US-4,839,762 |
Rotary head device A rotary head device comprising a stationary cylinder having a step portion on its peripheral surface to guide a tape-shaped medium and a rotary cylinder... |
| US-4,839,761 |
Magnetic head for perpendicular magnetic recording system A disc drive is disclosed incorporating a non-magnetic slider, a thin film main pole on the leading face thereof and a C-shaped flux collector extending forward... |
| US-4,839,760 |
Read/write apparatus for disk cartridge A disk cartridge having a cleaning mechanism. The disk cartridge comprises a disk for peripheral storage of computer and a hard shell which is made of plastic... |
| US-4,839,759 |
Tape bed and mode-changing mechanism arrangement for thin cassette type
recorder A cassette type recording and/or reproducing apparatus having a chassis in which a cassette is mounted on an upper surface thereof. An upper surface of the... |
| US-4,839,758 |
Magnetic disk cartridge loading-and-unloading device A magnetic disk cartridge loading-and-unloading device for loading a magnetic recording disk cartridge into a recording and reproducing system and unloading it... |
| US-4,839,757 |
Manual head loading mechanism for flexible disk drive A flexible disk drive includes a reset lever which holds an upper head in an upper or open position in an unloaded condition of a magnetic head and, interlocked... |
| US-4,839,756 |
Apparatus for read/write head loading and unloading in a data recording
disk file An apparatus for loading and unloading air-bearing sliders relative to their respective disk surfaces in a data recording disk file includes an elongated rod... |
| US-4,839,755 |
Rotary head type digital signal reproducing apparatus with different
modes and tracking control A rotary head type type digital signal reproducing apparatus plays a magnetic tape which is pre-recorded with a tracking reference signal in predetermined... |
| US-4,839,754 |
Winchester disk drive motor circuitry An improved switching regulator power supply with a variable duty cycle is disclosed which forms part of a compact Winchester disk drive system having a storage... |
| US-4,839,753 |
Information recording disk An information recording disk includes detection regions used to confirm presence or absence of written signals, read/write regions available for signal writing... |
| US-4,839,752 |
Temperature/humidity floppy disk cassette defeat mechanism A defeat mechanism serves to prevent a floppy disk cassette from being operatively loaded into a drive mechanism when the cassette has been subjected to either a... |
| US-4,839,751 |
Track-following servo for disk drive with multiple reference windows and
time dependent logic circuitry Disclosed is a Fine positioning arrangement for track-follow servo means in a disk drive arrangement wherein servo head output is processed logically to indicate... |
| US-4,839,750 |
Method and apparatus for recording and/or reproducing a PCM signal with
asynchronous operation This invention relates to method and apparatus for recording and/or reproducing a PCM (pulse-code-modulated) digital audio signal. According to this invention,... |
| US-4,839,749 |
Recorded voice warning system for providing safety alerts and personal
messages A vehicle safety and personal message system primarily designed to be incorporated into a vehicle to provide the driver with a pre-recorded speech message... |
| US-4,839,748 |
Initial state setting system for still picture recording/reproduction
device An initial state setting system in a still picture recording and reproduction device in which a video signal is read from a disk and written into a memory and... |
| US-4,839,747 |
Image processing method and apparatus A method of reading an image recorded in an analog recording medium such as a microfilm and digitally recording the thus read image in a digital recording medium... |
| US-4,839,746 |
Information reproduction method for complex and CD disks A reproducing apparatus and method for both CD and complex disks capable of displaying a still frame of video information during the reproduction of the audio... |
| US-4,839,745 |
Computer memory back-up The interface apparatus couples a video recording device to the parallel data channel of a computer system and also to the computer video output circuitry, so... |
| US-4,839,744 |
Video signal recording method and associated recording/reproducing
apparatus Disclosed is a video signal recording system, in which the input video signal is rid of unneeded portions, transformed on the time axis and divided into n... |
| US-4,839,743 |
Interactive video and audio controller An interactive video controller 10 for selecting between two or more tracks of video data responsive to the input of a player and for displaying the selected... |
| US-4,839,742 |
Reflected-character printing apparatus A printing apparatus comprising a keyboard which inputs characters, symbols, etc., to the apparatus and a display which displays the input characters, symbols,... |
| US-4,839,741 |
Image reproducing apparatus with CCD scanner and bubble jet printer
simultaneously driven by a common belt in... This invention is a scanning array for sequentially converting portions of an image of a document into digital format, a print head for sequentially printing... |
| US-4,839,740 |
Image processing apparatus for determining the presence or absence of an
image on each side of a plurality of... An image processing apparatus has an automatic document feeder for feeding one- and/or two-sided orginals, an image reader such as a CCD for reading images on... |
| US-4,839,739 |
Image signal binary circuit with a variable-frequency clock signal
generator for driving an image sensor A one-dimensional image sensor comprising a solid image pick-up element takes images in sequence, and generates an image signal. Clock pulses from a frequency... |
| US-4,839,738 |
Apparatus for decoding facsimile coded data to image data with coding
and reference line windowing and color... A decoder receives a series of input words defining variable length facsimile codes and generates pixel data to form a facsimile of an image. A code windowing... |
| US-4,839,737 |
Facsimile machine with a recording paper information memory A facsimile machine uses a thermal print head for recording data on a roll of thermal sensitive recording paper. The roll of recording paper is wound around a... |
| US-4,839,736 |
Filter for CRT screen A CRT filter of the present invention consists of a film having a transparent conductive layer and effectively eliminates the static electricity which are... |
| US-4,839,735 |
Solid state image sensor having variable charge accumulation time period A solid state image sensor in which the charge accumulation period of each picture element can be set at the same point of time. Additionally, the lenngth of the... |
| US-4,839,734 |
Solid-state imaging device having high-speed shutter function Storage charges held in a photosensitive section of a CCD, serving as a solid-state imaging device, are simultaneously transferred to a high-speed transfer... |
| US-4,839,733 |
Method and system for synchronization of an auxiliary sound source to
motion picture film, video tape, or other... A method and system for synchronizing a digital signal of an audio message at higher quality with another signal of the same audio message at lower quality. The... |
| US-4,839,732 |
Apparatus and method for transporting and cutting a recording medium A recording apparatus of the type using a roll of recording paper in which recording paper unrolled from the roll is cut by a cutter after completion of a... |
| US-4,839,731 |
Color overhead projector A color overhead projector including a thermochromic film, a color filter, erasing means for erasing an image formed on the film, reading means for reading a... |
| US-4,839,730 |
Image reading apparatus An image reading apparatus in which an optical system is formed into a unit to make the entire construction compact and facilitate positioning of each ... |
| US-4,839,729 |
Solid state image sensor A solid state image sensor including a light receiving section having a number of light receiving cells arranged in matrix, and a reading and storing section... |
| US-4,839,728 |
Picture-in-picture video signal generator A picture-in-picture video signal generator includes a source of an auxiliary video signal, and a producer of successive samples representing the auxiliary video... |
| US-4,839,727 |
Video signal processing apparatus for separating luminance and
chrominance signals by means of signal correlation A signal processing apparatus comprising a plurality of video signal correlation detecting devices for detecting the values of video signal correlations in a... |
| US-4,839,726 |
Video enhancement method and system On-the-fly video processing to implement two-dimensional algorithms is performed without a frame buffer or random-access memory, by using CCD delay elements... |
| US-4,839,725 |
Contour compensating circuit To adjust frequency characteristics (e.g. peak frequency or emphasizing frequency range) of a contour compensating circuit (i.e. edge emphasizer) for correcting... |
| US-4,839,724 |
Process for the digital transmission of information A process for the digital transmission of video signals, wherein the signals to be transmitted are coded according to a variable codeword length code, and this... |
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