| Patent Number |
Title Of Patent |
Date Issued |
| RE33041 |
Multi-dimensional coding for error reduction |
August 29, 1989 |
| A stream of binary bits is converted into blocks of eight parallel bits. A first group of five of the eight bits addresses a memory device which has thirty-two code words each having four numbers representing the coordinates of signal points in four-dimensional space. The remaining t |
| H965 |
Differential amplifier with digitally controlled gain |
September 3, 1991 |
| Differential amplifier having multiple stages, each stage having the gain thereof set by digital control. The gain of each stage is individually controlled, thereby allowing wide dynamic range and gain. Each stage has a differential pair with multiple sets of gain-setting resistors in th |
| H842 |
Metal conductor structure having low electro-migration at high currents for semiconductor device |
November 6, 1990 |
| A technique for providing high current carrying metal conductors for coupling to transistors or the like to increase the current carrying capacity of the transistor without substantial increase in size. The conductors are tapered along the axis of current flow with current being cond |
| H610 |
Cellular pager |
March 7, 1989 |
| A pager arranged for operation in a cellular radio system provides economy to subscribers and technological flexibility to a system operator. Paging service is available in any geographical area covered by the advanced mobile phone service system. Subscribers are thereby able to travel a |
| H551 |
Optical package with improved fiber alignment fixture |
December 6, 1988 |
| An optical package includes a two-piece fiber subassembly which allows for separate axial and radial alignment of the fiber to the active optical device. The subassembly consists of an inner ferrule encasing the fiber and an outer sleeve which holds the ferrule. The ferrule is moved axia |
| H1373 |
Wafer handling apparatus and method |
November 1, 1994 |
| Apparatus and method are disclosed for providing the transfer of a semiconductor wafer from a first to a second location. The apparatus includes a transfer arm including a plurality of apertures to facilitate the attachment of a bowed wafer, without breakage or frontside contact, to |
| H1174 |
Wafer bonded dielectrically isolated structures |
April 6, 1993 |
| A process for forming a dielectrically isolated wafer is disclosed. In particular, the conventional process is altered to replace the step of growing the thick polysilicon handle layer with the steps of growing a relatively thin conformal coating layer and bonding a single crystal wafer |
| H1155 |
Optical isolator with improved stabiity |
March 2, 1993 |
| An optical isolator is disclosed which comprises a Faraday rotator disposed between a pair of polarization selective elements (e.g., linear polarizers, birefringent wedges, birefringent plates, etc.). Improvement in isolation stability as a function of variations in temperature and/or |
| H1137 |
Wafer bonding technique for dielectric isolation processing |
February 2, 1993 |
| A process for forming a dielectrically isolated wafer is disclosed. In particular, the conventional process is altered to replace the step of growing the thick polysilicon handle layer with the steps of growing a relatively thin conformal coating layer and bonding a single crystal wafer |
| D308965 |
Desktop-computer housing or similar article |
July 3, 1990 |
|
| D307560 |
Housing for an infrared signal detector |
May 1, 1990 |
|
| D306576 |
Circuit module housing |
March 13, 1990 |
|
| D306429 |
Circuit module mounting apparatus |
March 6, 1990 |
|
| D305537 |
Communications workstation |
January 16, 1990 |
|
| D305423 |
Communications workstation |
January 9, 1990 |
|
| D304726 |
Telephone dialing apparatus |
November 21, 1989 |
|
| D304587 |
Telephone dialer adjunct |
November 14, 1989 |
|
| D304032 |
Computer display |
October 17, 1989 |
|
| D303664 |
Communication equipment housing |
September 26, 1989 |
|
| D303638 |
Alarm transmitter |
September 26, 1989 |
|
| D302267 |
Portable computer housing |
July 18, 1989 |
|
| D302266 |
Computer housing |
July 18, 1989 |
|
| D301144 |
Telephone stand |
May 16, 1989 |
|
| D297534 |
Telephone stand |
September 6, 1988 |
|
| D296693 |
Telephone stand |
July 12, 1988 |
|
| D296560 |
Robotic work station |
July 5, 1988 |
|
| D296329 |
Base for a computer, computer terminal or similar article |
June 21, 1988 |
|
| D296328 |
Overhead optical scanner |
June 21, 1988 |
|
| D295512 |
Communication apparatus enclosure |
May 3, 1988 |
|
| D295169 |
Wall-mounted microphone |
April 12, 1988 |
|
| D294943 |
Base for computer, computer terminal or similar article |
March 29, 1988 |
|
| D293441 |
Telephone stand |
December 29, 1987 |
|
| D290703 |
Computer display terminal or similar article |
July 7, 1987 |
|
| D289287 |
Telephone apparatus housing |
April 14, 1987 |
|
| D289286 |
Telephone apparatus housing |
April 14, 1987 |
|
| 5450249 |
Demodulator circuit |
September 12, 1995 |
| A demodulator circuit receives an input signal read from a track of a magnetic medium and generates a control signal to maintain alignment of a read-write head with the track. The demodulator circuit includes at least one transistor. The at least one transistor has an electrode switchabl |
| 5421930 |
Optical fiber routing method and apparatus |
June 6, 1995 |
| A winding tool (14) is provided on a manipulator (18) of a type used to route the optical fiber. A hook (22) extends from the winding tool to capture optical fiber (10) extending from a device (11), and the hook is retracted to secure the fiber. A routing wheel (17) is positioned between |
| 5413884 |
Grating fabrication using electron beam lithography |
May 9, 1995 |
| A technique is disclosed for utilizing direct-write electron-beam photolithography and holographic optical exposure to form gratings in optoelectronic structures. The direct-write e-beam process is used to form rectangular grating teeth in a mask substrate, where the mask is then used |
| 5361259 |
Wide area network (WAN)-arrangement |
November 1, 1994 |
| A WAN is formed using Frame Relay Protocol and a telephone network interface unit. An originating LAN sends a message to a router which communicates with a telephone network interface unit using Frame Relay Protocol. The telephone network interface unit determines the destination of |
| 5206317 |
Resist material and process for use |
April 27, 1993 |
| Excellent resolution and sensitivity in the patterning of resists utilized in device and mask manufacture is obtained with a specific composition. In particular this composition involves polymers having recurring pendant acid labile .alpha.-alkoxyalkyl carboxylic acid ester moieties in t |
| 5194105 |
Placement and bonding technique for optical elements |
March 16, 1993 |
| Apparatus (11) is robotically operated to pick up an optical element such as a ball lens (12) or an optical fiber, place it in a groove or depression (13) of a substrate (14), and apply pressure to it so that it is bonded to the substrate. The tool comprises a retracting element holder |
| 5162792 |
On-the-fly arrangement for interconnecting leads and connectors |
November 10, 1992 |
| An arrangement is provided to correlate random connections made at one end of a multiwire cable with connections that are to made at the opposite end of the cable, in which the different leads of the cable are usually separated, for example, by a distinctive color pattern. The arrangemen |
| 5134480 |
Time-recursive deinterlace processing for television-type signals |
July 28, 1992 |
| Deinterlacing systems and methods useful with television and other interlaced data signals derive values for pixels on missing lines using best matching values for blocks of pixels through time-recursive comparison of current pixels block values with such values for prior frames of d |
| 5064051 |
Methods of and apparatus for transferring plate-like articles from one location to another |
November 12, 1991 |
| An apparatus (20) is provided for transferring articles (40--40) from a pickup position to a pickoff position and then to a dropoff position. The apparatus includes a pair of pickup arms (60--60) which are spaced apart to engage lugs (42--42) oppositely extending from an article to be |
| 5049721 |
Laser marking apparatus and method for providing markings of enhanced readability in an outer ja |
September 17, 1991 |
| A laser marking apparatus provides markings of enhanced readability in an outer jacket of repetitively spaced sections along the length of a moving cable which is delivered from a supply source. The cable is advanced under tension and is wound onto a take-up spool. The outer jacket is of |
| 4953159 |
Audiographics conferencing arrangement |
August 28, 1990 |
| An audiographics conferencing arrangement for use in a business communication system allows the conferees to exchange displayed text and/or graphics stored locally in their respective data terminals. The conferees may change the displayed text and/or graphics and such changes are aut |
| 4953157 |
Programmable data packet buffer prioritization arrangement |
August 28, 1990 |
| In a packet network, each data packet that is transported through the network to a destination node is assigned one of 2**N priority levels based on the type of information contained in the data packet. A data packet containing system control information is assigned the highest prior |
| 4952226 |
Lightguide coating control |
August 28, 1990 |
| A laser (20) directs a laser beam at an optical fiber (12) and the resulting forward-scattered light is detected by a detector (21). The energy of the foward-scattered laser light is monotonically inversely proportional to the thickness of a carbon coating on the optical fiber. A com |
| 4947980 |
Method and apparatus for stopping and clamping substrates |
August 14, 1990 |
| In a facility for conveying PWBs in a path of travel, two stop/clamp devices are magnetically clamped along the path to be spaced in its length and to be within the path width occupied by the traveling board. Each of the devices has stop and clamp elements shiftable as a unit between out |
| 4947134 |
Lightwave systems using optical amplifiers |
August 7, 1990 |
| A single frequency lightwave system employs semiconductor, optical amplifiers arranged in tandem with suitable nose filtering and isolation between amplifier stages. Feedback control maintains overlap between the signal frequency and one of the passbands of the amplifiers. Either direct |
