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| Patent # | Description |
|---|---|
| US-4,905,269 |
Contoured cassette An energy detecting cassette for detection of electromagnetic energy (X-ray, magnetic resonance imaging (MRI), etc), sound energy, and other detectable forms of... |
| US-4,905,268 |
Adjustable off-focal aperture for x-ray tubes A radiographic apparatus (10) includes an x-ray tube (16), an off-focal radiation collimator (20), a shutter (22), and a primary beam defining collimator (24)... |
| US-4,905,267 |
Method of assembly and whole body, patient positioning and repositioning
support for use in radiation beam... A whole-body patient positioning and repositioning support for fixedly securing a patient in an original position during radiation treatment and for... |
| US-4,905,266 |
Film cartridge support for bed-like stretcher The present invention provide an x-ray film cartridge support for a bed-like stretcher. When the x-ray film cartridge support is attached to the crossbars of a... |
| US-4,905,265 |
X-ray imaging system and solid state detector therefor The x-ray imaging system comprises an x-ray source for producing an x-ray beam and an x-ray detector. The x-ray detector comprises a solid state integrated... |
| US-4,905,264 |
Method and system for displaying flickerless X-ray dynamic images In an X-ray cinecamera apparatus with a TV camera, an X-ray tube for radiating X-rays to subject and cinecamera are operated by a controller in a desired timing... |
| US-4,905,263 |
Method and device for tightness control of a joint A method and a device for inspecting a joint such as the joint at the rim of a container. Radiant energy is directed into a small area of irradiation on the... |
| US-4,905,262 |
Synchronous programmable two-stage serial/parallel counter A synchronous programmable binary counter has a parallel section and a serial section, with the length (in bits) of the serial section being the same as the... |
| US-4,905,261 |
Defrosting grid system testing apparatus A window defrosting grid testing apparatus which is automated to test the resistance grid for quality control relative to set automotive standards including the... |
| US-4,905,260 |
Nuclear reactor containment arrangement with permanent cavity seal ring An annular seal ring between a reactor pressure vessel and a containment wall is disposed in an annular expansion gap therebetween, having a support ring and... |
| US-4,905,259 |
Method of constructing block codes A method of selecting at least one code word from a set of second data having at least one data group representing a set of first data having at least one data... |
| US-4,905,258 |
Data circuit-terminating equipment There is disclosed a data circuit-terminating equipment (DCE) which connects a start-stop synchronous data terminal equipment (DTE) which is not synchronized... |
| US-4,905,257 |
Manchester decoder using gated delay line oscillator Manchester level coded data is converted to NRZ by two gated delay line oscillators responsive to differential Manchester signals for providing a single gated... |
| US-4,905,256 |
Method and device for multistate modulation and demodulation with
adjustable protection level A method and device are provided for multistate modulation and demodulation with adjustable protection level, consisting in separating the binary signals, before... |
| US-4,905,255 |
Decision directed gain control In a receiver for receiving and decoding a baseband multilevel signal into a digital data signal, and A/D converter produces in addition to the decoded data bits... |
| US-4,905,254 |
Arrangement for combating intersymbol interference and noise An arrangement for combating intersymbol interference and noise, which are introduced into a data signal (a.sub.k) transmitted at a symbol rate 1/T by a... |
| US-4,905,253 |
Distributed Bragg reflector laser for frequency modulated communication
systems To overcome the deleterious effects of the nonuniform frequency modulation response in semiconductor lasers due to current injection in direct frequency... |
| US-4,905,252 |
Ring laser cavities Diffraction limited, single narrow lobe radiation from a large area laser is achieved in a system using an external ring laser cavity to return radiation to the... |
| US-4,905,251 |
Self-preionizing resistively ballasted semiconductor electrode An electrode for a discharge region of a transversely purged gas discharge laser. The electrode in a discharge region includes blocks of semiconductor material... |
| US-4,905,250 |
Pre-ionizing electrode arrangement for a gas discharge laser The invention provides a gas-discharge laser comprising an array of pre-ionizing electrodes (PIP) operating by a sliding-spark discharge; there being an array... |
| US-4,905,249 |
Catalytic converter A closed loop carbon dioxide laser system includes a catalytic converter in the form of a conduit with an annular recess which is filled with a catalyst of... |
| US-4,905,248 |
Metal vapor laser apparatus In a metal vapor laser apparatus of this invention, a cathode electrode side end portion is made longer along a tube axis than an anode electrode side end... |
| US-4,905,247 |
High power tunable infrared mirrorless laser The invention comprises a mirrorless iodine laser having an elongated sealed iodine cell for both receiving and emitting laser energy. A pumping laser is used... |
| US-4,905,246 |
Semiconductor laser device A semiconductor laser device containing a laser oscillation-operating area which comprises a Ga.sub.1-x Al.sub.x As (0.ltoreq.x.ltoreq.1) quantum well active... |
| US-4,905,245 |
Semiconductor laser device and method of manufacturing same The invention relates to a semiconductor laser device having a coating on surfaces of a semiconductor body intended for emanation of a laser beam. For protection... |
| US-4,905,244 |
Heterodyne laser spectroscopy system A heterodyne laser spectroscopy system utilizes laser heterodyne techniques for purposes of laser isotope separation spectroscopy, vapor diagnostics, processing... |
| US-4,905,243 |
Method and apparatus for stabilizing the frequency of a laser beam For stabilizing the frequency of a narrow-band Excimer laser beam the interference rings of a Fabry-Perot interferometer 16 are projected onto a solid-state... |
| US-4,905,242 |
Pipelined error detection and correction apparatus with programmable
address trap An error detection and correction apparatus utilizing seven internally generated check bits which are applied to incoming data signals on the next clock. The... |
| US-4,905,241 |
Logic module for generating unequiprobable/random patterns for
integrated circuits For assisting the self-test of circuits with unequiplebable random patterns, a logic module is provided which is composed of two types of basic cells. Each basic... |
| US-4,905,240 |
Semi-custom-made integrated circuit device In order to carry out a diagnostic operation after packaging process, there is disclosed a semi-custom-made integrated circuit device fabricated on a ... |
| US-4,905,239 |
R. F. signal distribution Apparatus for transferring RF signals between a plurality of inputs and a plurality of outputs comprises a plurality of output multiplexers 30.sub.1 . . .... |
| US-4,905,238 |
Analog amplifier-multiplexer for a data system An analog amplifier multiplexer for a data system in which a plurality of differential signal channels are multiplexed onto a pair of differential signal lines... |
| US-4,905,237 |
Communications system comprising an ISDN terminal equipment connection
for different ISDN interfaces in an ISDN... In ISDN switching equipment networks, the connection of an ISDN terminal equipment (TE) occurs either through a two-wire interface (U.sub.o) or through a... |
| US-4,905,236 |
Circuit arrangement for designational reading of information of a bit
group oriented, continuous information... The reading times for a designational reading of information communicated via an ISDN-oriented interface are formed for a recording device and transmitted... |
| US-4,905,235 |
TDMA system capable of individually controlling electric power of bursts In a TDMA system comprising a plurality of earth stations communicable with one another by the use of a plurality of carrier waves through a transponder of a... |
| US-4,905,234 |
Apparatus and method for transmitting digital data over a radio
communications channel A digital radio RF signalling protocol communicates either digitized voice or digital data signals and indicates the type of information being communicated to... |
| US-4,905,233 |
Multiple path routing mechanism for packet communications network A mechanism for establishing at least one transmission route between a source node and a destination node in a multinode communications network comprises... |
| US-4,905,232 |
Peripheral repeater box In a system which includes a data transmitting device, a repeater, and a data receiving device, the repeater accumulating input data in packets from the... |
| US-4,905,231 |
Multi-media virtual circuit A packet switch arrangement in which a first plurality of user devices is connected to a packet network by a first interface unit and a second plurality of user... |
| US-4,905,230 |
Token ring expander and/or hub In a communications network, a portable token ring hub which serves as a computer communications network for a plurality of computers and answers to the protocol... |
| US-4,905,229 |
Local area communication network A local area network system including a data transfer communication network for transferring data between plural sending and receiving nodes, and a control... |
| US-4,905,228 |
Digital transmission channel framing A plurality of digital signals of one or more digital transmission bit rates are arranged to be combined by employing a unique common channel frame format. The... |
| US-4,905,227 |
Circuit for subscriber line interface circuits in a digital
time-division multiplex communication switching center A circuit for subscriber line interface circuits in a digital time-division multiplex communication switching center is disclosed. In the case of reception of... |
| US-4,905,226 |
Double-buffered time division switching system The invention relates to a time division switching system which may transmit both voice and data signals. The data signals may be transmitted at a much higher... |
| US-4,905,225 |
Communication system for timing multiplex hybrids Each entering and outgoing hybrid time multiplexed signal is made up of frames with fixed length time intervals each carrying a block of words that form either a... |
| US-4,905,224 |
Sorting unit for a switching node comprising a plurality of digital
switching matrix networks for fast,... A sorting unit for a switching node comprising a plurality of digital switching matrix networks for fast, asynchronous packet switching networks, which switching... |
| US-4,905,223 |
Wideband/multislot switching arrangement A wideband/multislot switching arrangement is provided for use in a digital telecommunications exchange. A call handling device is provided which receives... |
| US-4,905,222 |
Circuit arrangement for centrally controlled time division multiplex
telecommunication switching systems,... Line trunk groups coupled to a double central switching matrix by way of two PCM lines and including sub-switching matrix and group control units are allocated... |
| US-4,905,221 |
Earth station capable of effectively using a frequency band of a
satellite For use in a satellite communication system which carries out communication through a satellite by the use of an up-link frequency band and a down-link frequency... |
| US-4,905,220 |
Circuit for a central control time division multiplex PCM
telecommunications system A circuit for a central control TDM PCM telecommunications exchange with groups of terminals connected to a switching network is disclosed in which the terminal... |
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