Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 6169559 | Hi-lite color ROS scan uniformity self correction architecture A highlight raster output scanner is disclosed which utilizes an amplitude modulation with its reference level being placed at its white level. Having the reference level at the white level provides the possibility of utilizing two independent power drive... | 01/02/2001 |
| 6151152 | Reference frequency and facet to facet error correction circuit A reference frequency and facet to facet correction circuit utilizes a phase locked loop which includes a digital phase detector to measure the time difference between the end of scan and the end of count of each facet and store them in a lookup table. Th... | 11/21/2000 |
| 6107179 | Integrated flexible interconnection A method of creating a plurality of fine pitch integrated interconnects utilizes a flexible layer to create a plurality of integrated interconnects which extend beyond the boundary of the integrated circuit chip onto the substrate. Subsequently, a support... | 08/22/2000 |
| 6108116 | High precision collimating system A collimating system utilizes a Rainbow.RTM. disk for holding and adjusting the position of the collimating lens. By applying a voltage to the two surfaces of the Rainbow.RTM. disk, the disk changes shape which causes the position of the collimating lens ... | 08/22/2000 |
| 6087856 | Biasing scheme for minimizing output drift in phase comparison and error correction circuits A phase comparison and error correction circuit which utilizes one of a plurality of outputs of its phase detector as a biasing voltage for its error correction circuit.... | 07/11/2000 |
| 6082296 | Thin film deposition chamber A thin film deposition chamber utilizes a planetary fixture and two vapor sources to generate two partially overlapping vapor streams. The two vapor streams create a combined distribution profile. The planetary fixture holds a plurality of substrates in a... | 07/04/2000 |
| 6043835 | Raster output scanner with field replaceable laser diode A raster output scanner is disclosed which utilizes a replaceable laser diode and a replaceable microchip which contains characteristics information of the laser diode in use by the raster output scanner. Once, the laser diode is replaced, the microchip h... | 03/28/2000 |
| 5959475 | Complementary push-pull CMOS source follower analog video buffer An analog video buffer utilizes a complementary push-pull CMOS source follower video buffer with a feedback driver. The CMOS source follower provides a low impedance output node with high driving capabilities, high switching speed, and rail-to-rail linear... | 09/28/1999 |
| 5960115 | Method for decompressing multiple codes in a single clock cycle A decompressing method for generally providing more than four bits of decompressed data in each clock cycle. The decompressing method of this invention is capable of decoding four non-long horizontal codes in parallel and selecting either the decompressed... | 09/28/1999 |
| 5956005 | Electrocapillary display sheet which utilizes an applied electric field to move a liquid inside the display sheet There is disclosed an electrocapillary display sheet which utilizes three transparent sheets being spaced from each other and placed parallel to each other. The medial sheet has a plurality of reservoirs which are filled with a dyed or pigmented ink. Each... | 09/21/1999 |
| 5949909 | Apparatus for decompressing multiple codes in a single clock cycle A decompressor for generally providing more than four bits of decompressed data. The decompressor of this invention is capable of decoding four non-long horizontal codes in parallel and selecting either the decompressed data of the first code if it genera... | 09/07/1999 |
| 5940113 | Lensless printing system with a light bar printhead There is disclosed a printing system in which an array of VCSELs as a light bar print head directly sends an array of light beams onto a photoreceptor without using an imaging optical element. In this invention VCSELs are selected to have a slowly divergi... | 08/17/1999 |
| 5900858 | Rotation mechanism for bichromal balls of a twisting ball display sheet based on contact potential charging A twisting ball display sheet is disclosed which utilizes a mechanism other than Zeta potential to create dipole moment to rotate a plurality of bichromal balls. The twisting ball display sheet comprises a transparent sheet which contains a plurality of b... | 05/04/1999 |
| 5894215 | Shunt voltage regulator utilizing a floating reference voltage There is disclosed a shunt voltage regulator which utilizes a reference voltage which generates a floating output voltage with respect to a voltage to be regulated. The shunt voltage regulator of this invention also utilizes the voltage to be regulated as... | 04/13/1999 |
| 5892303 | Compact design for combination of an electrical circuit with a segmented electrode development roll A compact design for the electronic circuits to provide electrical contact to a SED roll of a segmented electrode development unit is provided. In this invention, all the required high voltage and low voltage circuitry is placed on a printed flexible circ... | 04/06/1999 |
| 5822652 | Compact design for combination of an electrical circuit with a segmented electrode development roll There is disclosed a compact design for the electronic circuits required to provide electrical contact to a SED roll of a segmented electrode development unit. In this invention, all the required high voltage and low voltage circuitry is placed on a print... | 10/13/1998 |
| 5808459 | Design technique for converting a floating band-gap reference voltage to a fixed and buffered reference voltage There is disclosed a converter for converting a floating voltage of a Band Gap Reference voltage generator fabricated in P-substrate CMOS technology to a fixed voltage with respect to ground. The converter of this invention utilizes a subtractor to conver... | 09/15/1998 |
| 5808593 | Electrocapillary color display sheet An electrocapillary color display sheet is disclosed which utilizes three spaced apart and parallel sheets in which the medial sheet has a plurality of sets of at least two reservoirs. The space between the medial sheet and one of the other sheets create ... | 09/15/1998 |
| 5784396 | VCSEL integral feedback assembly two-etch structure There is disclosed a vertical cavity laser diode (VCSEL) assembly with an integral set of detectors for the purpose of individually monitoring and adjusting the output power of each laser diode. A plate which has a plurality of light detectors and a plura... | 07/21/1998 |
| 5774156 | Image self-registration for color printers There is disclosed a color xerographic printing system which utilizes a full length developer to develop a first latent image and registration marks on the margins along the first latent image. The color printing system of this invention, also utilizes tw... | 06/30/1998 |
| 5773827 | Xerographic infrared reflectance densitometer (IRD) sensor An infrared reflectance densitometer (IRD) sensor which utilizes four blocks each of which generates an element of a given equation and a fifth block which generates an output voltage based on the given equation. The IRD sensor eliminates a problem known ... | 06/30/1998 |
| 5757966 | High-speed encoder An encoder for encoding four bits of uncompressed data in one clock cycle generates one code or in parallel a plurality of codes if the bits can be represented by a code or by a plurality of codes and keeps the bits that can not be represented by a code u... | 05/26/1998 |
| 5757345 | Electrocapillary color display sheet An electrocapillary color display sheet is disclosed which utilizes a plurality of sets of different color droplets between two sheets in which each set of droplets will create a pixel of an image. Each set of droplets has at least two droplets in which e... | 05/26/1998 |
| 5745155 | Scan uniformity correction A raster output scanner (ROS) with a liquid crystal window located at the output of the ROS for correcting the nonuniformity of a light beam generated by the ROS is disclosed. Since the photocells in the liquid crystal can be controlled individually, a va... | 04/28/1998 |
| 5744922 | Current regulator A current regulator is disclosed which utilizes a well known driver chip. The driver chip has an input signal known as a brake signal "BRK" which typically is used to stop a standard DC motor. In this invention, the brake signal "BRK" is used to create a ... | 04/28/1998 |
| 5731792 | Electrocapillary color display sheet An electrocapillary color display sheet is disclosed which utilizes three spaced apart and parallel sheets in which the medial sheet has a plurality of sets of at least two reservoirs. Each reservoir in each set holds a different color polar liquid and ea... | 03/24/1998 |
| 5724064 | Computing system with an interactive display An interactive display is disclosed which comprises a housing to receive an induced field activated display sheet which has a plurality of image producing elements responsive to an induced field. The housing has a transparent cover panel and a base panel.... | 03/03/1998 |
| 5717283 | Display sheet with a plurality of hourglass shaped capsules containing marking means responsive to external fields An external field activated display sheet is disclosed which comprises a plurality of hourglass shaped capsules for each pixel of an image. Each hourglass shaped capsule contains ink in one of its chambers. The ink in each hourglass shaped capsule is resp... | 02/10/1998 |
| 5701060 | On-chip high frequency damping for laser diode driver chips A laser diode driver chip is disclosed which has a circuit to substantially reduce a ringing on a laser diode driving current generated by the laser diode driver chip. This invention identifies that the ringing on the laser diode driving current is caused... | 12/23/1997 |
| 5671078 | Accurate laser power control for dual/multiple beams There is disclosed a method of reducing banding problem in multi-diode raster scanning systems. In this invention a test mode is provided for measuring and adjusting the output power of the laser diodes. During the test mode an individual patch is used fo... | 09/23/1997 |
| 5659330 | Electrocapillary color display sheet An electrocapillary color display sheet is disclosed which utilizes a plurality of sets of different color droplets between two sheets in which each set of droplets will create a pixel of an image. Each set of droplets has at least two droplets in which e... | 08/19/1997 |
| 5600149 | Power supply regulator An improved optically controlled power supply regulator in which an optoisolator transistor is controlled by an input light emitting diode replaces an optically controlled power supply regulator with a light emitting diode controlled with a light dependen... | 02/04/1997 |
| 5555328 | Total internal reflection knife edge There is disclosed a total reflection knife edge which is a transparent optical element for receiving a scanning light beam and allowing the light beam at certain locations to enter a fiber optic element or blocking the light beam at certain locations fro... | 09/10/1996 |
| 5549426 | Apparatus for forming several polygons together There is disclosed an apparatus for machining curved facets onto several polygons together. The apparatus of this invention comprises a fixture which has a mill bed and a ram. The mill bed holds an movable plate and the movable plate holds a rotating plat... | 08/27/1996 |
| 5546111 | Image contrast improvement technique for output scanning systems A raster output scanning system is disclosed which modifies a train of pixel information used for modulating a light beam to improve the image contrast. In this invention, all the On pixels which have at least one transitional edge will be modified in suc... | 08/13/1996 |
| 5541439 | Layout for a high voltage darlington pair There is disclosed a layout of a high voltage Darlington pair in which a circular field plate is utilized for both high voltage transistors in order to reduce the layout area. In this layout, both transistors of a Darlington pair are circular transistors ... | 07/30/1996 |
| 5532859 | Electro-optical device for variable scan width A raster output scanning system is disclosed which utilizes a single light source, an electro-optical device and a beam-splitter to generate two partially overlapping light beams in order to scan one scan line in which the width of the scan line can be ad... | 07/02/1996 |
| 5521739 | Raster output scanner for reducing color misregistration There is disclosed a raster output scanner for a color printing system which utilizes an indexed rotating polygon mirror in order to scan each given scan line from each latent image by a given facet in order to reduce misregistration caused by facet surfa... | 05/28/1996 |
| 5517328 | Wobble and bow correction by dual spot pixel intensity proportioning A raster scanning system is disclosed which utilizes a laser light source with a plurality of diodes, at least two of which are offset relative to each other. Either one diode or two offset diodes will be selected to scan one scan line. If two offset diod... | 05/14/1996 |
| 5517330 | Minimization of differential bow in multiple beam scanning optical systems A raster scanning system is disclosed which utilizes a post polygon optics which generates a field curvature to substantially reduce a differential bow. The post polygon optics of this invention comprises a first lens, a second lens and a wobble correctio... | 05/14/1996 |
