Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| D615593 | Two-hole paper punch | 05/11/2010 |
| 7375681 | Hardware curve flattening of crystal oscillator temperature drift followed by software compensation for residual offset A method for correcting frequency errors in the local reference frequency crystal oscillator of a GPS receiver begins with a step in which the ordinary temperature response of a crystal is characterized. A hardware circuit is incorporated with that crystal to mirror... | 05/20/2008 |
| 7253767 | Flat model software compensated crystal oscillator for GPS receiver A GPS receiver comprises a crystal oscillator with a manufacturer's characteristic curve, a GPS radio, a TCO temperature sensor, and a GPS receiver software. The crystal oscillator serves as a local reference oscillator for the GPS radio. The GPS receiver software i... | 08/07/2007 |
| 7236199 | Multi-tap camera A camera comprises a multitap imager, separate digitizing channels for each imager tap, adjustments for channel gain and black level, a pattern generator, and a channel balancer. The channel balancer compares adjacent pixels and sums the differences in levels over m... | 06/26/2007 |
| 6771086 | Semiconductor wafer electrical testing with a mobile chiller plate for rapid and precise test temperature control A semiconductor-wafer chuck for heating and cooling a device-under-test includes a heat-spreader plate with a clamping surface for a semiconductor wafer. A heater is disposed within the heat-spreader plate. A chiller heat-exchanger provides for heat removal. A motio... | 08/03/2004 |
| 6747687 | System for recognizing the same vehicle at different times and places In a vehicle time-of-entry and time-of-exit system, the passing of a vehicle through an entrance generates a “trigger-t0” signal. An entrance video camera provides realtime images of entering vehicles. The trigger-t0 signal causes one video frame o... | 06/08/2004 |
| 6638787 | High-frame-rate CCD imaging devices made in low-production runs from otherwise ordinary and inexpensive CCD devices A fast frame-rate imaging device is produced by a attaching a fiberoptic block to an otherwise ordinary and inexpensive CCD. A part of the fiberoptic block is occluded so as to darken a majority of the active imaging photocells. The CCD imaging device is ... | 10/28/2003 |
| 6606614 | Neural network integrated circuit with fewer pins A neural network integrated circuit comprises many neuron circuits each with a distance resister that is compared in a competition for the closest-hit with all the other neurons. Such closest-hit comparison is conducted bit-by-bit over the many bit positi... | 08/12/2003 |
| 6483240 | Compact and stabilized arc high-pressure mercury lamp A high pressure mercury lamp comprises a quartz envelope that contains an atmosphere and a pair of arc-discharge electrodes. These are coil-wound tungsten that has been doped to grain-stabilize the tungsten crystalline structure, e.g., with potassium or p... | 11/19/2002 |
| 6351058 | Xenon ceramic lamp with integrated compound reflectors An integrated compound reflector ceramic arc lamp comprises three internal mirrors. Top and bottom concave mirrors encircle the inter-electrode gap. The third mirror is convex and is mounted coaxially on the stem of the cathode and faces a sapphire window... | 02/26/2002 |
| 6336074 | Satellite navigation receiver with map graphics and hypertext driven by a PDF database An improved GPS navigation receiver for converting range and range-rate information from microwave radio transmissions from orbiting satellites and for determining a position of the receiver from a processing of the information and an output connected to ... | 01/01/2002 |
| 6332137 | Parallel associative learning memory for a standalone hardwired recognition system A recognition system comprises at least two field-programmable logic array devices connected to a common vector-input port of an array of a zero-instruction-set computers. Each field-programmable logic array device is configured to preprocess data from di... | 12/18/2001 |
| 6285131 | Manufacturing improvement for xenon arc lamp A xenon arc lamp is provided with an improved cathode support. The improvements reduce the number of assembly procedures and parts needed to produce an arc lamp. Such reduces the overall cost of manufacturing. The cathode suspension system is made by star... | 09/04/2001 |
| 6181053 | Three-kilowatt xenon arc lamp An improved arc lamp with a ceramic body, an anode supported by a base, and a cathode suspended by a strut system opposite to the anode, and having an inside volume filled with xenon gas. The improvements include a groove in the ceramic body such that an ... | 01/30/2001 |
| 6171105 | Dental-restoration light-curing system A blue-light polymerizing system comprises a xenon arc lamp in which its sapphire window includes a blue-bandpass filter coating. This eliminates any external color filters that would otherwise be necessary for the polymerization of dental composite mater... | 01/09/2001 |
| 6156213 | Embedded spin-clean cartridge-type water filters A water filter includes a cartridge filter element mounted on a coaxial bearing so it can be spun. During normal operation, a pressure tank enclosure allows the outside of the cartridge filter element to be submerged. Filtered water is then collected by a... | 12/05/2000 |
| 6131938 | Wobble and rattle resistant receiver hitch A receiver-type trailer hitch system embodiment of the present invention comprises a splint assembly with a pair of opposing clamps that simultaneously engage opposite sides of the outer surfaces of an open end of a hitch receiver tube and shank end of a ... | 10/17/2000 |
| 6109501 | Radial wire bonder and selectable side view inspection system A wire bonding machine having a wire bonding head that provides five directions of movement or degrees of freedom. The radial direction of movement supports the wire bonding process and reduces the moving mass of the wire bonder during the generation of t... | 08/29/2000 |
| 6052181 | Multiple simultaneous laser-reference control system for construction equipment A number of laser beam stations emit vertically separated parallel planes and/or ray-planes of laser light that can be discriminated by their respective plane elevations, modulation of the laser light, time synchronizing, etc. Identifying the laser plane ... | 04/18/2000 |
| 6038497 | Aircraft turn guidance system An aircraft turn guidance system comprises a satellite navigation receiver connected to a turn path computer. Position, velocity and waypoint headings and distances are communicated from the satellite navigation receiver to the turn path computer. Roll an... | 03/14/2000 |
| 5961203 | Small lamp and power supply assembly A light source comprises a high intensity lamp that is clamped between four half-shell finned heatsinks. The upper heatsink half-shells for the anode and cathode ends of the lamp are mounted to an upper printed circuit board and the lower heatsink half-sh... | 10/05/1999 |
| 5847965 | Method for automatic iterative area placement of module cells in an integrated circuit layout In a computer system, a method for an area based place and route of an integrated circuit layout that provides automatic iterative area placement of module cells intelligently and effectively. In one embodiment, this is accomplished in three phases. The s... | 12/08/1998 |
| 5841664 | Method for optimizing track assignment in a grid-based channel router A method for optimal track assignment in a grid-based channel router. Initially, interconnection information is extracted from a global routing result. Multiple pin nets derived from the interconnection information are decomposed into simpler mapped segme... | 11/24/1998 |
| 5814154 | Short-coupled-path extender for plasma source A short-coupled-path extender comprises a two-inch thick housing that inserts as a spacer between a plasma source and a vacuum chamber in various kinds of semiconductor processing equipment. The spacer housing is generally constructed of aluminum and is t... | 09/29/1998 |
| 5768842 | Weep drain for tile walls A weep drain for a tile wall includes a dam for collecting water, moisture, or other liquids and an extrusion with a plurality of hollow cylindrical tubes for allowing the water, moisture or other liquids to drain from behind the tile wall.... | 06/23/1998 |
| 5752257 | Redundant array of removable cartridge disk drives A memory system comprises an array of parallel removable hard disk cartridges and matching drives. Each cartridge is recorded with an array position signature so that an array can be programmatically reconstructed each time the cartridges are loaded in th... | 05/12/1998 |
| 5748400 | Method of compensating for the misregistration of the radial track positions of a floppy diskette in a disk drive A method comprises receiving a diskette into a drive, determining the logical format type of the data written on the diskette, and targeting any recorded track on either surface of the diskette that has both inner and outer adjacent tracks. The head actua... | 05/05/1998 |
| 5568162 | GPS navigation and differential-correction beacon antenna combination An antenna system comprises a stack of elements that include a GPS patch antenna on a groundplane with an associated low-noise amplifier (LNA), a first Faraday shield of flat ribbon cable covering a first ferrite rod magnetic field antenna, a second ferri... | 10/22/1996 |
| 5564098 | Ultra low-power integrated circuit for pseudo-baseband down-conversion of GPS RF signals A GPS receiver downconverter combines on a single integrated circuit, a first super-heterodyne mixer, a voltage controlled oscillator, a phase locked loop, a pair of quadrature mixers and a pair of quantizers with in-phase and quadrature-phase sampler out... | 10/08/1996 |
| 5558688 | Block filter-purifier A filter-purifier that removes particles as well as trace amounts of moisture, oxygen, and other chemical impurities from a gas stream. The filter-purifier includes a removable canister that contains a purifying medium and a pair of sealing poppet valves ... | 09/24/1996 |
| 5537121 | Carrier phase multipath reduction technique An improved navigation satellite receiver with a digital channel processor including a triple carrier mixer with an early carrier mixer, a punctual carrier mixer and a late carrier mixer all connected to receive I and Q sample outputs from an IF downconve... | 07/16/1996 |
| 5533604 | Ball transfer cube A ball transfer cube includes a prismatically shaped cubed housing, a bearing race, small ball bearings, a main ball bearing and a housing cap for insertion into a prismatically shaped grating used by shipping companies.... | 07/09/1996 |
| 5521610 | Curved dipole antenna with center-post amplifier An antenna system embodiment of the present invention comprises a curved dipole antenna stood off at its center by a printed circuit board assembly containing a pre-amplifier. The curved dipole antenna is implemented with a single-sided flexible circuit a... | 05/28/1996 |
| 5519620 | Centimeter accurate global positioning system receiver for on-the-fly real-time kinematic measurement and control A system embodiment of the present invention comprises a fixed and a roving pair of four-observable GPS receivers and a communication link between them for double differencing code and carrier measurements. Carrier phase integer ambiguities are resolved e... | 05/21/1996 |
| 5515212 | Very high-density diskette format method and computer implemented process A diskette comprising a jacket, a liner material disposed within said jacket, a flat circular media having a magnetic coating on both sides disposed within said liner material, a hub attached at the center of said media, a plurality of servo grooves on at... | 05/07/1996 |
| 5507327 | Funnel and automatic supply system for liquid nitrogen A hollow-walled cylindrical stainless steel vacuum-insulated funnel with a flat bottom through which a float valve and screen check and filter the gravity flow of liquid nitrogen out through a drain pipe in the bottom. The bottom of the funnel has a small... | 04/16/1996 |
| 5504684 | Single-chip GPS receiver digital signal processing and microcomputer An embodiment of the present invention combines, on a single integrated circuit, an eight channel GPS receiver, a 68330-type microprocessor, a 68681-type DUART serial communications controller, an analog-to-digital converter, a real-time clock, a random a... | 04/02/1996 |
| 5502446 | GPS-based automatic target reporting and finding network and components A GPS emergency rescue network comprising at least one GPS receiver and L2-frequency transmitter combination for a target, and a GPS receiver able to tune the L2 frequency transmissions of the target's transceiver. A constellation of orbiting GPS satellit... | 03/26/1996 |
| 5469334 | Plastic quad-packaged switched-mode integrated circuit with integrated transformer windings and mouldings for transformer core pieces A switching power supply embodiment of the present invention includes a plastic leaded chip carrier (PLCC) that has two rectangular holes joined by a channel on the bottom surface that allow the PLCC to be surface mounted on a printed circuit board over a... | 11/21/1995 |
| 5393677 | Method of optimizing wells for PMOS and bipolar to yield an improved BICMOS process A first process embodiment of the present invention comprises the steps of implanting a blanket low dose n-well implant before field oxidation. A blanket n-type punchthrough suppression implant precedes the field oxidation step. After field oxidation, an ... | 02/28/1995 |
