| Patent # | Description |
|---|---|
| US-5,327,432 |
Protocol for multiple access to a telecommunications channel from
auxiliary terminals by digitized information... The invention concerns a protocol for multiple access to a networked telecommunications channel. A current auxiliary terminal of a plurality of auxiliary... |
| US-5,327,431 |
Method and apparatus for source routing bridging To improve the throughput of bridges in a multiple ring token ring network, External Copy Hardware (ECH) is provided for each source routing bridge to determine... |
| US-5,327,430 |
Circuit arrangement for bit rate adaptation A circuit arrangement for adapting the bit rates of two signals to each other comprises an elastic store (6). The useful data of a first frame-structured signal... |
| US-5,327,429 |
Method of sequencing signal processing in the reduced rate communication
mode of a digital cellular radio system In a method of sequencing signal processing in the reduced rate communication mode of a digital cellular radio system for conveying digitized speech... |
| US-5,327,428 |
Collision-free insertion and removal of circuit-switched channels in a
packet-switched transmission structure This invention relates to a method and system for a collision free insertion and removal of circuit-switched channels in a self-adaptive transmission data... |
| US-5,327,427 |
Self-healing meshed network using logical ring structures Logical hybrid ring arrangements are disclosed which can withstand a cut communication path or a failed node. A logical ring is formed by a cascade of (i)... |
| US-5,327,426 |
Method and apparatus for preventing unnecessary retransmission of
messages in a networked messaging system An improved apparatus and method for routing of messages in a networked system wherein reduced unnecessary retransmission of messages across routers is achieved... |
| US-5,327,425 |
Network synchronization control system and control method A Local Area Network (LAN) is disclosed in which each node includes means for receiving clock signal information from an external network, which may by way of... |
| US-5,327,424 |
Automatically configuring parallel bridge numbers Methods and apparatus for selecting a parallel bridge number for a bridge connecting a first and second LAN in a network comprised of LANs and bridges connected... |
| US-5,327,423 |
Method and a network for transmitting messages in frequency channels According to the invention, messages to be transmitted between user terminals interconnected by a transmission network are classified into "heavyweight" messages... |
| US-5,327,422 |
Controllable multiplexer for a digital switch The invention relates to a multiplexer for a digital switch, arranged to be included in a switch network whose data flow is organized in frames containing a... |
| US-5,327,421 |
Apparatus for interfacing between telecommunications call signals and
broadband signals In accordance with the principles of this invention, Pulse Code Modulation (PCM) signal streams are converted into Asynchronous Transfer Mode (ATM) cells for... |
| US-5,327,420 |
Method for building multi-bit parallel Batcher/banyan networks A switch having a non-blocking, self-routing switching fabric for routing packets from the input ports to the output ports of the switching fabric in accordance... |
| US-5,327,419 |
Communication system having a multiprocessor system serving the purpose
of central control Communication system having a multiprocessor system serving the purpose of central control. Multiprocessor systems are used in communication systems for the... |
| US-5,327,418 |
Circuit arrangement for centrally controlled telecommunications exchanges In a circuit arrangement for centrally controlled telecommunication trunk exchanges, including PCM telephone trunk exchanges, with line trunk groups with... |
| US-5,327,417 |
Optical disk drive and read/write apparatus In order to provide an optical disk drive and read/write apparatus, the time of erasure, recording and reproduction of data by which is shortened to heighten the... |
| US-5,327,416 |
Surface selection mechanism for optical storage system A surface selection mechanism is disclosed for an optical disk storage system. The mechanism comprises a linearly movable slider having a first and second mirror... |
| US-5,327,415 |
Integrated light deflector and method of fabrication therefor An integrated light deflector and fabrication method are disclosed. In accordance with the method, a mold is constructed above the surface of a substrate using a... |
| US-5,327,414 |
Signal recording method for optical disk and apparatus therefor A signal recording method for an optical disk and an apparatus therefor wherein a turn-off duration, during which a laser beam is turned-off, of a binary signal... |
| US-5,327,413 |
Ruggedized homogeneous thin dielectric film focus sensor A focus detecting device utilizing thin film to detect convergence or divergence of rays from a light source by directing the light rays through a pair of prisms... |
| US-5,327,412 |
Continuous playing apparatus for use in disc player A continuous playing apparatus for a disc player the apparatus includes a horizontal moving means and a lifting/lowering means. The horizontal moving means moves... |
| US-5,327,411 |
Write control method and apparatus for writing optical disk data A write control method for writing optical disk data wherein pits are written by a write signal composed of mark signal parts and space signal parts, and a... |
| US-5,327,410 |
Direction-determination logic as for a signal pickup in recorded signal
recovery apparatus Direction determining logic for a regulation circuit which guides a detection device along the data tracks of a recording medium receives an HF signal indicating... |
| US-5,327,409 |
Magneto-optical disc system and magneto-optical disc A magneto-optical disc system and a medium used therewith are disclosed in which a magneto-optical disk having a magneto-optical recording layer on one major... |
| US-5,327,408 |
Optical disk with sector servo patterns compensating for variations in
pattern size and/or radial velocity An optical disk has groups of features (such as depressed areas) arranged in a preselected position sensing servo pattern, and a flat, non-grooved surface... |
| US-5,327,407 |
Tracking control apparatus for generating sawtooth tracking control
signal from sinusoidal tracking error signal A tracking control apparatus includes an A/D converter, an edge detection circuit, a latch circuit and a ROM to change a tracking error signal having a... |
| US-5,327,406 |
Data recording method and data recording medium An address unit is provided so that integer multiples of the address unit correspond to respective sector capacities of plural kinds of formats (such as the ISO... |
| US-5,327,404 |
On-chip frequency trimming method for real-time clock Apparatus for digitally trimming the output frequency of a real-time clock is disclosed. The output frequency of a divider chain is adjusted by the contents of a... |
| US-5,327,403 |
Time indicating device A device for indicating time comprises means arranged to display the number of equally large time increments of a predetermined size, for instance 15 minutes,... |
| US-5,327,402 |
Clock supply apparatus A clock supply apparatus provided in each slave office, wherein a single master clock is received at a clock receiver unit; 0-system and 1-system system clocks... |
| US-5,327,401 |
Wristwatch The wristwatch displays the date through a window in the dial. To achieve this, the watch comprises a rotatable disc (13) bearing a first series of numbers... |
| US-5,327,400 |
Time piece with lunar phase and tides display The present invention has for its object a watch movement more particularly a wrist watch, a chronograph watch or a pocket watch which comprises a time display... |
| US-5,327,399 |
Multivibrator waveform monitoring system A multivibrator waveform monitoring system uses a plurality of seismic energy sources for giving vibrations to strata and a prospector, connected to a geophone,... |
| US-5,327,398 |
Fishfinder with readout of bottom coverage A fishfinder having a real time or A-scope display with a numerical readout indicating the diameter of the transducer beam on the bottom of the water body.... |
| US-5,327,397 |
Wideband, derivative-matched, continuous aperture acoustic transducer A wideband, derivative-matched, continuous aperture acoustic transducer includes a first sensor area having a predetermined spatial shading and a second sensor... |
| US-5,327,396 |
Underwater detection system An underwater detection system which searches the water in a wide range of directions and displays moving targets in different colors depending on speeds of the... |
| US-5,327,395 |
Page-mode type memory writing control circuit using end-of-page address A NOR operation is performed on the address bit by bit by a NOR circuit, and when the final address in a page is detected from the result of the NOR operation by... |
| US-5,327,394 |
Timing and control circuit for a static RAM responsive to an address
transition pulse An SRAM having an input address bus, a memory array and coupled sense amplifiers, internal sense amp enable and output data bus enable nodes further includes a... |
| US-5,327,393 |
External memory interface circuit capable of carrying out initialization
of external memory with a reduced... In an external memory interface circuit included in a signal processing circuit which is for processing an input signal by using an external memory, the external... |
| US-5,327,392 |
Semiconductor integrated circuit capable of preventing occurrence of
erroneous operation due to noise A semiconductor integrated circuit includes a circuit block whose operation is controlled by a inverted control signal whose significant potential level is set... |
| US-5,327,391 |
Double buffer type elastic store comprising a pair of data memory blocks In an elastic store supplied with a sequence of reception data, a sequence of reception clock pulses, a sequence of reception frame pulses, a sequence of system... |
| US-5,327,390 |
Synchronous burst-access memory A synchronous burst-access memory latches a row address strobe signal, a column address strobe signal, and address signals in synchronization with a clock... |
| US-5,327,389 |
Semiconductor memory device having a block selection function with low
power consumptions A semiconductor memory device divided into a number of main blocks each main block having a number of subblocks selects a single main block and enables the... |
| US-5,327,388 |
Semiconductor memory device A semiconductor memory device with a power source voltage step-down circuit which generates a stepped-down voltage from electric power supplied from outside and... |
| US-5,327,387 |
Dynamic random access memory having an improved operational stability A dynamic random access memory comprises a CBR refresh detection unit for detecting a commencement of a CBR refreshing cycle and a control signal generation unit... |
| US-5,327,386 |
Dual port semiconductor memory device with high speed data transfer
during reading and writing modes A dual port memory is disclosed capable of serial data reading and writing between a memory array including a memory cell formed by one MOS transistor and one... |
| US-5,327,385 |
Method of erasure for a non-volatile semiconductor memory device The invention provides a method of erasure for a non-volatile semiconductor memory device having a floating gate. For a first time interval, a voltage having one... |
| US-5,327,384 |
Flash memory A flash memory of the present invention has a comparator for inspecting whether or not data is erased from each memory cell. If data written in each of all the... |
| US-5,327,383 |
Method and circuitry for erasing a nonvolatile semiconductor memory
incorporating row redundancy Circuitry for independently controlling the erasure of a flash memory including redundant rows for replacing shorted rows within the memory array is described.... |
| US-5,327,382 |
Method of testing redundant memory cells In a single chip semiconductor memory, having independent memory areas for normal memory cells and redundant memory cells, the redundant cells are tested in a... |