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Patent # Description
US-4,536,838 Multi-processor system with communication controller using poll flags for non-contentious slot reservation
A communication controller for a distributed processing system has a number of data processing stations in which messages are exchanged among the stations over a...
US-4,536,837 Improved disk file allocation and mapping system utilizing cylinder control blocks and file map having...
A disk file management system for use in a data processing system that includes at least one disk drive. The disk space is organized on the basis of logical...
US-4,536,836 Detection of sequential data stream
A method for detection of a sequential data stream which can be performed in a data storge subsystem without host computer intervention is disclosed featuring...
US-4,536,835 Direct A.C. to A.C. converter controlled by a data processor
A direct AC to AC supply converter in which the control of the bidirectional switches connecting each conductor of a polyphase input supply to each conductor of...
US-4,536,834 R lamp having an improved neck section for increasing the useful light output
A reflector (R) having an improved neck section that increases the useful light output of the lamp is disclosed. The reflector lamp comprises a concave reflector...
US-4,536,833 Lighting fixture utilizing a multi-layered hologram as a lens element
A lighting fixture utilizing a spatially fixed light source and a multi-layered hologram as a lens element. The hologram receives light from the source and...
US-4,536,832 Replaceable light source assembly
A replaceable light source assembly is particularly designed for use in a projector housing with sources such as an HMI arc lamp or tungsten halogen lamp where...
US-4,536,831 Replacement lamp with means for spacing
A lamp member is adapted for use in a lighting unit having a light transmitting cover. The lamp member comprises a base, a tungsten-halogen capsule supported...
US-4,536,830 Reflector assembly for lamp fixtures
A reflector assembly for replacing a fluorescent lamp from a multi-lamp fixture having a top wall and oppositely disposed end and side walls enclosed by a...
US-4,536,829 Hand actuating element for adjustment drives on automobiles
In a rotatable hand actuating element for adjustment drives on automobiles, especially a handwheel assembly for actuation of a sliding roof, consisting of a...
US-4,536,828 Lighting device
A lighting device of the free-standing type, capable of diffusing beams of light rays propagating through and emitting from the optical wave guides. A reflecting...
US-4,536,827 Image collection and object illumination
A probe for inspecting the inner surface of a tube is disclosed. The probe (10) utilizes a group of large diameter optical fibers (12) as a light source and an...
US-4,536,826 Snap-in bus bar
A snap-in bus bar is mechanically affixed to a printed circuit board to increase mechanical stiffness of the board and electrically connected to the printed...
US-4,536,825 Leadframe having severable fingers for aligning one or more electronic circuit device components
The present invention discloses a plurality of severable alignment fingers integrally formed with a leadframe for selectively aligning one or more electronic...
US-4,536,824 Indirect cooling of electronic circuits
This invention provides for the dissipation of heat generated in integrated circuit components mounted on printed circuit boards. High conduction, low thermal...
US-4,536,823 Electric panel board having an improved extruded base pan configuration
An improved panel board construction is described, including an extruded insulative base pan which slidably engages at least one main-line bus bar and a neutral...
US-4,536,822 Electric circuit interrupter and associated mounting
An electric circuit interrupter and associated mounting comprises an elongated support element of insulating material mounted for swinging movement about a fixed...
US-4,536,821 Ceramic capacitors and dielectric compositions
A dielectric composition, particularly suitable for the manufacture of ceramic capacitors, comprising lead magnesium niobate and lead zinc niobate. These may be...
US-4,536,820 Electrical feedthrough means for pressure transducer
A bulkhead feedthrough for capacitive pressure transducers including a feedthrough body portion welded in a cylindrical opening in a pressure receiving body in...
US-4,536,819 Capacitor with a heat sink core
A capacitor construction for wound foil or electrolytic capacitors having a heat conducting inner can for improving the heat dissipation of the capacitor and for...
US-4,536,818 Solenoid driver with switching during current decay from initial peak current
A solenoid driver circuit has reduced power consumption by switching the solenoid coil current during a decay period from an initial peak current to a lower...
US-4,536,817 Recessed lighting fixture and an insulation detecting protector device therefor
An electrical lighting fixture adapted for recessed mounting has structure for mounting and energizing a lamp and has an insulation detecting protector device...
US-4,536,816 Thyristor apparatus employing light-triggered thyristors
A thyristor apparatus employing light-triggered thyristors comprises forward voltage detecting circuits (15) and a thyristor number detecting circuit (17). The...
US-4,536,815 Protective relay apparatus and method for providing single-pole tripping
An apparatus and method for detecting a single-phase-to-ground fault on a three-phase electrical power system and for identifying the faulted phase conductor....
US-4,536,814 D. C. power controller with fuse protection
A D.C. power controller for interrupting a high voltage high current D.C. power line supplying a load (L) from a D.C. power supply source (+270VDC) having power...
US-4,536,813 Magnetic disc recording and/or reproducing apparatus
In an apparatus for recording and/or reproducing signals on a flexible disc which is rotatably mounted in a jacket having an indicator for indicating the number...
US-4,536,812 Magnetic disk cartridge
In a magnetic disk cartridge, a slide valve for prevention of erroneous erasure is slidably supported in a cartridge case having a detection hole adapted to be...
US-4,536,811 Cassette tape player having supply and take-up motors positioned vertically above a cassette receiving mechanism
A motor arrangement for a cassette tape player is provided which comprises a player chassis and a receiving mechanism for receiving a cassette within the chassis...
US-4,536,810 Adapter for a miniature type tape cassette
An adapter for a miniature type tape cassette which has an external form and size smaller than those of a standard type tape cassette, where the miniature type...
US-4,536,809 Adaptive misposition correcting method and apparatus for magnetic disk servo system
A misposition correction system for correcting misposition errors due to spindle runout and other slowly varying errors in a servo positioning system of a...
US-4,536,808 Tape recorder device having an automatic shut-off circuit
A tape recorder wherein a control transistor is connected between a power source and a load circuit involving, for example, a motor circuit, mechanism control...
US-4,536,807 Display device for a magnetic tape recording and/or reproducing apparatus
A display device for a magnetic tape recording and/or reproducing apparatus, comprises a pulse generating circuit for generating a pulse signal having a...
US-4,536,806 Microprocessor controlled multiple servo system for a recording and/or reproducing apparatus
A microprocessor controlled multiple servo system adapted for use with a recording and reproducing apparatus is disclosed. The system controls all servo systems...
US-4,536,805 Image signal recording-reproducing device
In the disclosed image signal recording-reproducing device, a first head records and reproduces an image signal and a second head upstream of the first head on...
US-4,536,804 Data control system for storing digital and audio information on a magnetic tape
A magnetic tape recorder is removably secured to an electronic digital information processing apparatus of the portable type for storing digital information and...
US-4,536,803 Method and apparatus for intensifying contrast in printing formats
A method and apparatus for intensifying contrast during the recording of masters in electronic image processing wherein a master is scanned opto-electronically...
US-4,536,802 Facsimile apparatus
A facsimile apparatus in which the transmitted picture image is partially or totally enlarged at the receiving unit thereof. If the recorded image is to be...
US-4,536,801 Video data compression system and method
A video data compression system and method for use in minimizing the amount of data necessary to store and recall a black and white video image. An image is...
US-4,536,800 Additive pulse sampling circuit
An input pulse having an amplitude to be sampled is coupled to a sampling amplifier via an input circuit including a capacitance. A switch couples a reference...
US-4,536,799 Television method and apparatus
The disclosed technique effectively increases television camera sensitivity by allowing additional time for signal to build up on the photoconductive surface of...
US-4,536,798 Volume control for CATV and method therefor
A volume control circuit useful for remotely controlling volume through a CATV remote control unit uses a sound carrier demodulator to obtain an intercarrier...
US-4,536,797 Television receiver with auxiliary on-screen display
As a signal seeking tuner tunes through a number of channels to locate the next active (useable) channel, the display screen of a television receiver is blanked...
US-4,536,796 Non-linear dynamic coring circuit for video signals
In a television receiver, a horizontal peaking signal is added to a luminance signal to accentuate its horizontal detail. The peaking signal is subject to a...
US-4,536,795 Video memory device
A video memory device comprises an analog memory part in which memory elements are arranged in a matrix form with a plurality of rows and a plurality of columns,...
US-4,536,794 Television receiver having different receiver synchronizing characteristics in response to television signal
A television receiver incorporates synchronizing circuitry which provides different synchronizing characteristics to accommodate different program sources....
US-4,536,793 Pulse stretching circuit for a raster display
A pulse stretching circuit for a raster display for causing certain vertical control pulses to either have the same widths or at least terminate at the same time...
US-4,536,792 Method and apparatus for testing a CRT display under beam duty cycle variation
A method and apparatus for testing the geometry of a cathode ray tube raster scan under beam duty cycle variation. Alternate polarities of white on black and...
US-4,536,791 Addressable cable television control system with video format data transmission
An addressable cable television control system controls television program and data signal transmission from a central station to a plurality of user stations....
US-4,536,790 Apparatus and method for fluoroscopic imaging of a body
The disclosure is directed to a method and apparatus for generating a processed video image of a fluid-carrying vessel in a body, and can also be used to obtain...
US-4,536,789 Apparatus for observation in a high velocity liquid stream
The invention relates to an apparatus capable of observing an object in the path of a liquid stream while a radiation receiving part of the apparatus is...
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