Quotables
"Telephone, n. An invention of the devil which abrogates some of the advantages of making a disagreeable person keep his distance. "
Ambose Bierce
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 |
| 4779269 | Efficient transmission mechanism integrating data and non coded information Method for transporting asynchronous data and synchronous non coded information NCI bits on a common channel operating at (n+1)/T bits per second, in slot of duration T containing n+1 bits, the data and NCI portions of the bit stream to be transported bei... | 10/18/1988 |
| 4779270 | Apparatus for reducing and maintaining constant overshoot in a high speed driver Disclosed is a method and circuit for reducing and maintaining constant overshoot in a high speed driver. The circuit includes a predriver circuit which is driven single endedly and a driver circuit which is differentially driven by the predriver outputs.... | 10/18/1988 |
| 4779271 | Forced error generating circuit for a data processing unit A forced error generating circuit for a data processing unit comprises a forced error register for generating a designation signal to forcibly cause an error for a structural element in the data processing unit and a signal generating means which receives... | 10/18/1988 |
| 4779272 | Testable variable-threshold non-volatile semiconductor memory A variable-threshold non-volatile memory in which a potential falling between a selection and a non-selection level is applied to the gates and the resultant drain current is measured to determine if one of the transistors has an abnormal threshold voltag... | 10/18/1988 |
| 4779273 | Apparatus for self-testing a digital logic circuit A method is disclosed that lends itself to efficient incorporation in digital logic networks to enable such networks to automatically test themselves in place. A register is incorporated in the network in such a manner that a data pattern loaded in the re... | 10/18/1988 |
| 4779274 | Request repeat method for data communication A request repeat system for data communication in which the receiving station transmits a signal indicating the result of reception of data transmitted thereto from the transmitting station. The receiving station transmits a signal indicating the unsatisf... | 10/18/1988 |
| 4779275 | Synchronization circuit for digital communication systems In a digital communication system, a sync word is generated at intervals at the transmitting end and appended to a data bit stream having redundant bits generated by an error correction encoder. The sync word indicates the position of the redundant bits i... | 10/18/1988 |
| 4779276 | Data transmission system A data transmission system operative to transmit data with a reduced low band frequency component includes facility for processing a predetermined quantity of information data, such as a code word, for generating error detecting-correcting data, and for d... | 10/18/1988 |
| 4779277 | Free electron laser injection oscillator A free electron laser for use with a short-pulse relativistic electron source. The device includes a resonant optical cavity in which a spatially-periodic magnetic field is produced by a wiggle magnet assembly. An input optical beam having a wavelength ly... | 10/18/1988 |
| 4779278 | Laser apparatus and method for discriminating against higher order modes Disclosed is a laser apparatus and a related method for use with a laser medium of a type which emits a beam of coherent laser energy having both low and high order modes. End reflectors are provided for reflecting at least a portion of the energy in the ... | 10/18/1988 |
| 4779279 | Magnetic laser control The present invention comprises a method and means for stabilizing the frequency difference between the component frequency modes in the beam of a gas laser influenced by Zeeman splitting. Stabilizing the frequency difference makes constant the frequency ... | 10/18/1988 |
| 4779280 | Semiconductor laser equipped with means for reinjecting the spontaneous emission into the active layer Double heterostructure semiconductor laser in which the contact layer is transparent to the spontaneous radiation emitted by the active layer. The upwardly directed light is then reflected by the metal layer and returned to the active layer.... | 10/18/1988 |
| 4779281 | Light emitting chip and optical communication apparatus using the same This invention relates to a semiconductor laser of a buried-hetero structure. In this semiconductor laser, the side surfaces of an active layer are in contact with a plane having a stable state of interface. As a result, the threshold current value of thi... | 10/18/1988 |
| 4779282 | Low leakage current GaInAsP/InP buried heterostructure laser and method of fabrication The device provided is a GaInAsP/InP laser, of the buried heterostructure type, fabricated by a two-step liquid-phase epitaxy technique. The active region is defined by a mesa etch to achieve low threshold current and a single transverse optical mode. The... | 10/18/1988 |
| 4779283 | Semiconductor light emitting device A semiconductor laser in which an InGaAsP active layer serving as light emitting layer and formed in the shape of a stripe on the surface of a flat InP first clad layer, and an InP second clad layer that is wider than the InGaAsP active layer and formed o... | 10/18/1988 |
| 4779284 | Gas laser with coaxial gas resevoir A gas laser such as an argon or krypton laser has an annular gas reservoir surrounding a laser bore. A series of heat-dissipating fins are connected to the laser bore and extend between the exterior of the laser bore and the interior of the coaxial gas re... | 10/18/1988 |
| 4779285 | Clustered waveguide laser A multiple cavity waveguide laser is formed of a pair of face to face contiguous dielectric blocks 70, 72, in the facing surfaces of which are formed pairs of mating waveguide grooves 78, 80, 82, 84, having an electrode partition 92 sealed to and between ... | 10/18/1988 |
| 4779286 | Multiple-fold laser A laser optical cavity extends between two end reflectors (11, 12) and is defined by at least three sections. A number of folding reflectors (14) are provided for directing radiation emerging from one section into the next. An active medium is contained i... | 10/18/1988 |
| 4779287 | Tiltable metallurgical furnace vessel In a tiltable metallurgical furnace vessel having a completely closed lateral protrusion with a closable discharge opening on its underside, simplified furnace structure is achieved by configuring the protrusion as a removable, heatable fore-hearth that i... | 10/18/1988 |
