Quotables
"There is no likelihood man can ever tap the power of the atom."
Robert Millikan, Nobel Prize winner in physics
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7178015 | Security measures in a partitionable computing system A partitionable computer system and method of operating the same is disclosed. The partitionable computer system has a state machine, a processor, and a device controller. The state machine can be configured to monitor the status of a partition of the partitionable ... | 02/13/2007 |
| 4918708 | Analysis of digital radio transmissions Provided is an apparatus for analysing digital radio transmissions which can provide an output indicating the condition of a digital transmission link. The apparatus operates by sampling received radio signals to produce for each sampling instant a signal... | 04/17/1990 |
| 4912403 | Apparatus and method for isolating and connecting two electrical circuits An inductor used to allow in-circuit and functional testing at the same point on a test system. An inductor is used having a saturated state wherein the inductor functions to connect the test system to the device under test wherein when a large direct cur... | 03/27/1990 |
| 4888659 | Tape cartridge for use in disc drive A tape cartridge adapted to utilize the read/write head(s) in a disc drive to read data from and/or write data onto the tape. The tape cartridge includes a portion which has a size and shape which enables it to be inserted into the disc drive to locate a ... | 12/19/1989 |
| 4876702 | Programmable time advance The programmable time advance circuit functions to offset the inherent delay occasioned by the phase lock loop and the drive circuits of a printed circuit board test system to provide a clock signal at the output of the printed circuit board test system t... | 10/24/1989 |
| 4870353 | Pre-loaded compression spring assembly A pre-loaded compression spring assembly is described which preferably includes a compression spring, a base plate to support one end of the spring, and a flexible retention member which extends over the opposite end of the spring and which is adapted to ... | 09/26/1989 |
| 4860332 | Apparatus for the automatic in-circuit testing of subscriber line interface circuits and method therefor An automated apparatus and method for in-circuit testing of a subscriber line interface circuit mounted on a telecommunications card. The automated apparatus is capable of testing the functioning of the subscriber line interface circuit: by applying analo... | 08/22/1989 |
| 4857009 | Fixture latching mechanism A fixture latching mechanism for mass terminating a printed circuit test fixture to a test head probe field wherein said fixture latching mechanism is comprised of simultaneously functioning pulldown towers, each of which further comprises a housing havin... | 08/15/1989 |
| 4858111 | Write-back cache system using concurrent address transfers to setup requested address in main memory before dirty miss signal from cache A computer system in which only the cache memory is permitted to communicate with main memory and the same address being used in the cache is also sent at the same time to the main memory. Thus, as soon as it is discovered that the desired main memory add... | 08/15/1989 |
| 4849691 | Apparatus and method for isolating and connecting two electrical circuits An inductor used to allow in-circuit and functional testing at the same point on a test system. A inductor is used having a saturated state wherein the inductor functions to connect the test system to the device under test wherein when a large direct curr... | 07/18/1989 |
| 4823221 | Magnetic head with planar interface position registration means Various embodiments of a magnetic head are described that include access means for accessing a planar interface between the sandwiched halves of a magnetic core within the magnetic head. By accessing this planar interface, the magnetic head may be precise... | 04/18/1989 |
| 4821129 | Tape positioning using reverse boundary capture: tape drive system and method A tape driven system includes means for capturing data block boundaries while moving in reverse, as well as in the forward direction. Thus, block boundaries can be captured following each reversal of tape direction to cancel prior errors induced during ta... | 04/11/1989 |
| 4811141 | Head mounting in magnetic storage devices Techniques are described for securing a magnetic head to a support carrier for the head in a magnetic storage device (e.g., a tape drive apparatus or disk drive apparatus). One such technique involves temporarily supporting a magnetic head on a fixture wh... | 03/07/1989 |
| 4811283 | Recovery system for queued data transfer synch. loss utilizing error flag and status memories An apparatus provides for recovery from a loss of synchronization in a queued data transfer between a controller and a peripheral device. The apparatus eliminates the need for a timeout mechanism within the controller. A method of operating the apparatus ... | 03/07/1989 |
| 4787596 | Mold for forming plastic Luer nuts A mold for the formation of plastic Luer nuts having a polygonal internal cross-section. The mold includes both movable and fixed cavity sections, so that a non-round threaded core can be unscrewed from within the Luer nut.... | 11/29/1988 |
| 4777548 | Access door for tape drive housing An access door is described for a housing for tape drive apparatus of the type including a take-up reel, a hub for a supply reel, and a fan for moving air within the housing. The access door is hinged to the housing and is pivotable between open and close... | 10/11/1988 |
| 4777326 | Woven cable with multiple lossy transmission lines A modification of a woven cable (wire and fabric woven together to form a flat ribbon cable) assembly, in which the signal wires of the transmission lines are replaced with solderable resistance wires, thereby providing an economical method of building mu... | 10/11/1988 |
| 4772810 | Apparatus for non-dissipative switching transistor snubber A high efficiency non-dissipative snubber circuit suitable for most power supplies used in international markets is disclosed. Circuit uses diode-capacitor-inductor structure to capture input voltage equivalent and reverse polarity on snubber capacitor. N... | 09/20/1988 |
| 4758906 | Block pattern detection circuitry Block pattern detection circuitry for the read subsystem of a streaming tape drive system comprises a state machine, a pattern decoder, a tape mark detector, a block/gap filter, a block/gap meter, a verify count section, and a block read/verify section. T... | 07/19/1988 |
| 4752846 | Tape drive system with tape position capture circuitry A tape drive system employs position capture circuitry to facilitate accurate positioning of the tape media. The position capture circuitry includes an input polling state machine (101) to ensure each detection results in exactly one position value transf... | 06/21/1988 |
| 4750069 | Head mounting in magnetic storage devices Techniques are described for securing a magnetic head to a support carrier for the head in a magnetic storage device (e.g., a tape drive apparatus or disk drive apparatus). One such technique involves temporarily supporting a magnetic head on a fixture wh... | 06/07/1988 |
| 4740732 | Adaptive rewind for tape drive An adaptive rewind system is described for use in tape drive apparatus or other apparatus involving roll goods which are movable between a supply reel and a take-up reel. The system includes (1) comparison means for (a) comparing the voltage at the motor ... | 04/26/1988 |
| 4735374 | Automatic loading hub for supply reel on reel to reel tape drive and method A supply reel hub for use on a computer tape drive for assuring that a supply reel is squarely locked down and properly aligned on the computer tape drive. The supply hub comprises a locking means in the form of three L-shaped feet for locking the supply ... | 04/05/1988 |
| 4735259 | Heated transfer line for capillary tubing A heated transfer line for heating a small glass capillary tube is disclosed. The transfer line is small and removable yet highly efficient, capable of uniformly heating a glass capillary tube over a 5-inch length to more than 400 degrees with less than 3... | 04/05/1988 |
| 4728776 | Heated transfer line for capillary tubing A heated transfer line for heating a small glass capillary tube is disclosed. The transfer line is small and removable yet highly efficient, capable of uniformly heating a glass capillary tube over a 5-inch length to more than 400 degrees with less than 3... | 03/01/1988 |
| 4724518 | Odd/even storage in cache memory Provided is a cache memory architecture which is two blocks wide and is made up of a map RAM, two cache data RAMs (each one word wide), and a selection system for selecting data from either one or both cache data RAMs, depending on whether the access is b... | 02/09/1988 |
| 4707692 | Electroluminescent display drive system A resonant mode energy recovery circuit is disclosed for supplying drive pulses to an electroluminescent (EL) display arranged as a matrix of pixels addressed by a plurality of column and row electrodes. An external inductor is used to alternately store a... | 11/17/1987 |
| 4705444 | Apparatus for automated cassette handling An automated cassette handler for transporting a cassette containing integrated circuit wafers between first and second elevators in a standardized mechanical interface (SMIF) system for integrated circuit processing. The handler is adapted to grip and tr... | 11/10/1987 |
| 4664746 | Creating or removing a conductive layer on an insulator over a semiconductor A new phenomenon in integrated circuit etch processing is presented, explained and utilized to permit better removal of layers overlying integrated circuit structures, and if desired, the formation of conductive layers on such structures by a less complic... | 05/12/1987 |
| 4650964 | Electrically heated transfer line for capillary tubing A heated transfer line for heating a small glass capillary tube is disclosed. The transfer line is small and removable yet highly efficient, capable of uniformly heating a glass capillary tube over a 5-inch length to more than 400° C. with less than 30 w... | 03/17/1987 |
| 4642524 | Inverse shadowing in electroluminescent displays An apparatus for essentially eliminating variations in luminescence (i.e., inverse shadowing) in an electroluminescent (EL) display is disclosed. The pixels of an EL display are driven to their light emitting voltage with a signal having a rise time dv/dt... | 02/10/1987 |
| 4623982 | Conditional carry techniques for digital processors A relatively small set of cells is shown for constructing a conditional carry adder for two N-digit operands. The structure and organization of the cells is adaptable for constructing any length adder with both high absolute performance and low circuit co... | 11/18/1986 |
| 4616408 | Inversely processed resistance heater A unique inverse processed film resistance heater structure is disclosed. A conventional passivation wear layer is deposited directly on a first substrate, followed by the deposition and patterning of resistive and conductive layers, and covered by an iso... | 10/14/1986 |
| 4616683 | Particle-free dockable interface for integrated circuit processing A particle-free dockable interface is disclosed for linking together two spaces each enclosing a clean air environment. The interface is composed of interlocking doors on each space which fit together to trap particles which have accumulated from the dirt... | 10/14/1986 |
| 4608326 | Silicon carbide film for X-ray masks and vacuum windows A layered structure for use in an X-ray membrane (pellicle) mask or a vacuum window is provided in which an intermediate amorphous layer such as silicon dioxide is grown on a silicon substrate which provides a stress relief medium and surface properties w... | 08/26/1986 |
| 4599049 | High pressure meter pump A high pressure meter pump system with improved accuracy is provided by subdividing a large meter pump capacity into metered subvolume charges which are incrementally delivered to a high pressure slave pump. This enables the pump sytem to achieve improved accu... | 07/08/1986 |
| 4596627 | Etching a layer over a semiconductor A new phenomenon in integrated circuit etch processing is presented, explained and utilized to permit better removal of layers overlying integrated circuit structures, and if desired, the formation of conductive layers on such structures by a less complic... | 06/24/1986 |
| 4588970 | Three section termination for an R.F. triaxial directional bridge Provided is a design for a terminated R.F./microwave Wheatstone bridge and a precision termination which can be used therewith.... | 05/13/1986 |
| 4587993 | High-pressure viscous damper A high-pressure viscous damper is proposed, in particular for use in liquid chromatographs, in which two chambers are separated by an elastic partition, and the one chamber receives a fluid to be damped and the other chamber holds a damping fluid. In the ... | 05/13/1986 |
| 4583690 | Anti-wetting in fluid nozzles A novel ionic surface preparation for nozzles used in spraying fluid droplets such as used in ink jet printers is disclosed. In conjunction with an oppositely charged ionic anti-wetting agent dissolved in the sprayed fluid, the new surface preparation rel... | 04/22/1986 |
