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| Patent # | Description |
|---|---|
| US-5,568,505 |
Laser diode element with excellent intermodulation distortion
characteristic In a laser diode element including a front facet, a rear facet, a laser cavity formed between the front the rear facets and which has a predetermined length L,... |
| US-5,568,504 |
Surface-emitting laser diode A tunable [tunable] surface-emitting laser diode in which in the manner of the TTG laser diode an active layer (5) and a tuning layer (3) are arranged transverse... |
| US-5,568,503 |
Solid-state laser device with optical fiber cable connection This invention has as its object to provide a solid-state laser device which can supply a laser beam pumped by a solid-state laser medium from the distal end of... |
| US-5,568,502 |
Semiconductor laser device A semiconductor laser device includes resonator facets formed by cleaving; a first conductivity type semiconductor region; a semiconductor multilayer structure... |
| US-5,568,501 |
Semiconductor laser and method for producing the same The semiconductor laser of the invention includes: a semiconductor substrate of a first conductivity type; a stripe-shaped multilayer structure, formed on the... |
| US-5,568,500 |
Semiconductor laser The semiconductor laser of the present invention has an active layer in which the output edge is formed into a V-shape or comprises a striped active layer which... |
| US-5,568,499 |
Optical device with low electrical and thermal resistance bragg
reflectors A compound-semiconductor optical device and method. The optical device is provided with one or more asymmetrically-graded heterojunctions between compound... |
| US-5,568,498 |
Laser device with laser structures connected in series in an optical
cavity An edge emitting laser device with at least two laser structures arranged in one and the same optical cavity. The laser structures are substantially arranged in... |
| US-5,568,497 |
Chalcogenide optical pumping system having broad emission band The present invention concerns an optical pumping system using a broad continuous chalcogenide emission band of approximately 190 nm in width. The broad emission... |
| US-5,568,496 |
Laser optics protective device A broadband thermal optical limiter disposed between a laser oscillator and laser amplifier system for protecting optical components in the laser oscillator from... |
| US-5,568,495 |
Modular audio data processing architecture An audio data processing system (10) is described which comprises a control processor (12) coupled to an execution controller (22) through a bus (21). The... |
| US-5,568,494 |
Encoding or decoding device comprising a paged memory First blocks with data units are encoded or decoded in a first error protection code in an encoding or decoding device. A sub-set of data units, comprising one... |
| US-5,568,493 |
Scan based testing for analog module within a mixed analog and digital
circuit An integrated circuit containing analogue operation circuitry having a plurality of nodes for input and output of signals during normal operation, a plurality of... |
| US-5,568,492 |
Circuit and method of JTAG testing multichip modules A multichip module (10) having one or more IC die (12-18) supports JTAG testing with a plurality of registers (20-26) within each IC die. JTAG testing requires a... |
| US-5,568,491 |
Knowledge based resource management The knowledge based system identifies the occurrence of a failure within the customer equipment and functions using its rules, hypotheses and collected data to... |
| US-5,568,490 |
Method and device for transferring data in a TDMA system A data transfer device for transferring data between a plurality of digital signal processors in a system utilizing time division multiple access techniques. The... |
| US-5,568,489 |
Method and apparatus for processing data received at a remote workstation A method and apparatus for processing at a remote workstation, data files that are compressed and collected into groups on a local area network at a central... |
| US-5,568,488 |
Pointer re-setting method and apparatus thereof A pointer re-setting method and apparatus are disclosed wherein resetting in a re-setting process of a pointer which is required for conversion from a... |
| US-5,568,487 |
Process for automatic conversion for porting telecommunications
applications from the TCP/IP network to the... The invention relates to an address conversion process for porting a telecommunications application APP from the TCP/IP network to the OSI/CO network, and to an... |
| US-5,568,486 |
Integrated user network interface device A method of interfacing between a non-continuous stream of cells of data and a continuous stream of frames of data, which includes transforming an incoming... |
| US-5,568,485 |
Priority encoder A circular priority encoder includes a linear priority encoder that receives a plurality of requests of ranks 1 to n on corresponding request lines. The encoder... |
| US-5,568,484 |
Telecommunications system and method for use on commercial aircraft and
other vehicles A telecommunications system and method for use on aircraft and other vehicles. One or more token ring local area networks are utilized to provide a... |
| US-5,568,483 |
Method and apparatus for the formatting of data for transmission A method and apparatus for arranging various types of data, and at various rates, into a uniquely structured format for transmission. Data for transmission... |
| US-5,568,482 |
Low speed radio link system and method designed for ATM transport A data protocol compatible with ATM data transmission systems that provides a frame format that allows for ATM cell transmission in a low speed, high noise link... |
| US-5,568,481 |
Communication line adapter and the method thereof A communication line adapter to enable simultaneous communication with the main controller and a plurality of terminals comprising an interface controller for... |
| US-5,568,480 |
Method of determining a free channel in FDM radiocommunication systems In radio transmission systems having a number of radio channels available for transmission, it is necessary to recognize a transmission channel as idle. One... |
| US-5,568,479 |
System of controlling miscellaneous means associated with exchange The present invention relates to a system for controlling a miscellaneous device such as a remote device associated with an exchange which handles a fixed length... |
| US-5,568,478 |
System for processing data structures in a node of a communication
network All the information sections of a processed data structure, including pre-header, tail and extra section, header and payload, can be selectively copied in a node... |
| US-5,568,477 |
Multipurpose packet switching node for a data communication network A multipurpose data communication network node for interconnecting both ATM and Variable Length (VL) input/output trunks with all combinations of node input... |
| US-5,568,476 |
Method and apparatus for avoiding packet loss on a CSMA/CD-type local
area network using receive-sense-based... An Ethernet network or other CSMA/CD network includes a hub that is modified to generate a jamming signal on a communication line when a packet received over... |
| US-5,568,475 |
ATM network architecture employing an out-of-band signaling network An Asynchronous Transfer(ATM) network comprising a plurality of ATM switches may be arranged so that it receives calls from Synchronous Transfer Mode (STM)... |
| US-5,568,474 |
Ping-pong communication method and apparatus An improved method and apparatus for achieving ping-pong communication over a single channel comprises a circuit (located at each communication station) which... |
| US-5,568,473 |
Method and apparatus for simple and efficient interference cancellation
for chip synchronized CDMA Interference from other users in a CDMA Spread Spectrum system is cancelled by constructing a single reference sequence which is representative of the spreading... |
| US-5,568,472 |
Code division multiple access mobile communication system In a mobile communication system which uses a code division multiple access (CDMA) scheme for communications between a base station and a plurality of mobile... |
| US-5,568,471 |
System and method for a workstation monitoring and control of multiple
networks having different protocols A workstation manages and controls a plurality of communication networks using different protocols coupled to a common bus. A programmable digital filter... |
| US-5,568,470 |
Method for controlled-latency transfer of transmitt ATM traffic and
synchronous feedback over a physical interface In an asynchronous transfer mode (ATM) endnode a method is provided by which ATM cells can experience a small delay from the ATM layer to the PHY layer to... |
| US-5,568,469 |
Method and apparatus for controlling latency and jitter in a local area
network which uses a CSMA/CD protocol An Ethernet network or other CSMA/CD network includes hub adaptors that are modified to provide a known bounded low maximum access latency. The modified adaptors... |
| US-5,568,468 |
Usage parameter control apparatus for performing a plurality of
conformance checking operations at high speed Policing method and policing circuit for parallelly conducting a plurality of policing which are dependent on policing items in the policing for defining the... |
| US-5,568,467 |
Information recording format having a plurality of bands with
independent read and write control data A data recording medium using a format that includes: a data zone having a plurality of bands composed of at least one track, in which user data are written; and... |
| US-5,568,466 |
Magneto-optical disc A magneto-optical disc includes a recording layer (4) and a protective film (7) of radiation-cured resin on a substrate (2). Information is written in the... |
| US-5,568,465 |
Reading from record medium in either an inverted or non-inverted
signal-processing mode In a write-once read-many (WORM) optical disk device recorded unipolar pulse signals having a high lineal recorded densities are read back using an inverted... |
| US-5,568,464 |
Semiconductor laser driving apparatus utilizing three current sources to
control read and write light power A semiconductor laser driving apparatus for use in an information recording/reproducing apparatus that records and reproduces information by illuminating a... |
| US-5,568,463 |
Semiconductor laser device to detect a divided reflected light beam An optical device for detecting a magneto-optical signal can be simplified and miniaturized in arrangement. An optical device for detecting a magneto-optical... |
| US-5,568,462 |
Knife edge method for use in detecting a focussing error in an optical
pickup system The inventive knife edge method for use in an optical pick-up system capable of detecting a focussing error is comprised of a light source, an optical detector,... |
| US-5,568,461 |
Optical information recording and reproducing apparatus An optical information recording and reproducing apparatus for recording and reproducing an information signal on/from both concave portions and convex portions... |
| US-5,568,460 |
Optical recording and/or reproducing apparatus and method utilizing
stimulated photon echo The recording method and apparatus according to this invention is an "optical recording method utilizing a simulated photon echo" in which information is... |
| US-5,568,459 |
Optical disk apparatus and optical disk having a hard address mark area An optical disk apparatus having rewritable optical disk with a spiral groove which is used as an information recording track. The track has two hard address... |
| US-5,568,458 |
Optical information recording and reproducing apparatus in which
reproducing light is used to perform servo... An optical information recording and reproducing apparatus comprising a first and a second laser diodes for generating recording light and reproducing light,... |
| US-5,568,457 |
Optical pickup system for reading or writing information on disk using
hologram device and wollaston prism An optical pickup system simply formed to improve readout speed and reduce manufacturing cost having a semiconductor laser light source, a polarizing beam... |
| US-5,568,456 |
Crosstalk Canceler A crosstalk canceler includes: unit for obtaining signals of a target track and at least one track neighboring to the target track formed on an optical disc on... |
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