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| Patent # | Description |
|---|---|
| US-4,905,219 |
Three level distributed control for networking I/O devices A three level network microprocessor based nodal architecture for a fiber optic local area network communication system is disclosed in which the processing... |
| US-4,905,218 |
Optical multiplex communication system An optical multiplex communication system in which n kinds of digital signals whose logical levels do not simultaneously become true, such as, pulse motor... |
| US-4,905,217 |
Enclosure for optical disk or the like An enclosure for an optical disk or the like in which the main element thereof is preferably formed of a one-piece structure and which is adapted to accept a... |
| US-4,905,216 |
Method for constructing an optical head by varying a hologram pattern A method for constructing an optical head having a holographic diffraction grating for focusing a light beam on a photodetector is disclosed. The photodetector... |
| US-4,905,215 |
System for reading information from two storage layers of an optical
disk in different manners An information-reproducing system for reading information from a plurality of storage layers of an optical disk. The system includes a light source for... |
| US-4,905,214 |
Method for illuminating adjoining slants of an optical disk having a
V-shaped groove An optical disk and a method of recording, reproducing or erasing information on the disk by using laser beams. The optical disk is provided thereon with grooves... |
| US-4,905,213 |
Medication reminder A multiple-alarm clock with an electronic digital circuitry and a large liquid-crystal screen displaying a simulated-conventional clock face. A series of... |
| US-4,905,212 |
Timer setting apparatus for a video tape recorder A timer setting apparatus for a video tape recorder for setting the timer control data including the date data, the day data, the starting time data, the ending... |
| US-4,905,211 |
Precision doppler effect compensator A precision Doppler effect compensator provides Doppler compensation in astic transmission by simultaneously sending a known reference signal with an... |
| US-4,905,210 |
Liquid impoundment survey vehicle incorporating positioning finding and
tracking system In a geomembrane defined impoundment, a leak is located by vessel supported means. The present invention is directed to locating the vessel so as to then locate... |
| US-4,905,209 |
Correlation match filter for passive signal detection A passive detection technique is based on correlation characteristics of split beam inputs with given relative rates between a detection sensor platform and a... |
| US-4,905,208 |
Distance detecting apparatus A distance detecting apparatus has a transmitter for transmitting a cyclic output signal. The transmitter is digitally controlled to adjust the frequency of the... |
| US-4,905,207 |
Measuring distances using a plurality of frequencies Distance measurements are made using two or more signal frequencies. Ultrasonic energy is transmitted from a transducer to an object. Returned ultrasonic energy... |
| US-4,905,206 |
Ultrasonic doppler flow meter A flow meter, in which pulsed continuous ultrasonic wave is transmitted towards an object at predetermined intervals T to obtain a phase vector from a reception... |
| US-4,905,205 |
Method for transmitting to a central recording device seismic data
collected by acquisition apparatus... A method is provided for the transfer to a central recording device of data corresponding to signals received by a set of seismic sensors which have been... |
| US-4,905,204 |
Method of weighting a trace stack from a plurality of input traces A method is disclosed for developing a weight function for a trace stack from the weight functions derived from the respective weight functions of an ensemble of... |
| US-4,905,203 |
Downhole doppler flowmeter A well logging system which monitors the flow rate of a fluid flowing in a borehole traversing an earth formation includes a sonde. A transmitter located in the... |
| US-4,905,202 |
Detection panel and method for acoustic holography A detection panel for acoustic holography with real time image reconstruction includes, a flat cell containing a mixture of nematic and cholesteric liquid... |
| US-4,905,201 |
Semiconductor memory device capable of selective operation of memory
cell blocks A semiconductor memory device having a memory cell array constituted by a plurality of memory cell blocks includes a clock generator unit constituted by a... |
| US-4,905,200 |
Apparatus and method for correcting microcomputer software errors An apparatus for replacing an undesired code stored in a plurality of storage locations in read-only memory (ROM) with a replacement code. The replacement code,... |
| US-4,905,199 |
Method of and apparatus for reducing current of semiconductor memory
device A circuit (50) is provided in a dynamic RAM (1) for detecting establishment of a substrate bias voltage (V.sub.BB) when the power is first turned on. A NAND gate... |
| US-4,905,198 |
Semiconductor integrated circuit device A semiconductor integrated circuit device which constitutes a dynamic RAM has an automatic refresh circuit that contains a refresh timer circuit. The refresh... |
| US-4,905,197 |
Semiconductor memory having circuitry for discharging a digit line
before verifying operation A semiconductor memory having a plurality of programmable memory cells includes discharge circuits for discharging a residual charge which remains on a digital... |
| US-4,905,196 |
Method and storage device for saving the computer status during interrupt In order to reduce the down time of a computer (1, 4-8) caused by a fault or interrupt in the program run, program recovery points are provided which are... |
| US-4,905,195 |
Semiconductor memory An electrically programmable read only memory is equipped with latch circuits for sequentially introducing series signals which are fed through external... |
| US-4,905,194 |
Semiconductor memory device with a circuit for analyzing defects in
word-lines A semiconductor memory device of the invention includes a memory cell array including a plurality of memory cells, and a row decoder and a column decoder for... |
| US-4,905,193 |
Large scale integrable memory cell with a trench capacitor wherein the
trench edge is surrounded by a field... A large scale integrable memory cell including a field effect transistor lying at a bit line and further including a storage capacitor which is formed by the... |
| US-4,905,192 |
Semiconductor memory cell A semiconductor memory device includes a memory cell array, a spare memory cell array, a first addressing circuit for designating an address of the memory cell... |
| US-4,905,191 |
Microcomputer with built-in EPROM and test mode A single-chip microcomputer comprising a microprocessor which executes information processing in accordance with a predetermined program, and an EPROM which... |
| US-4,905,190 |
Multiprogram control information processing system with process roll-in
from main memory A multiprogram control information processing system with process roll-in from a main memory to hardware of a central processing unit is disclosed. The system... |
| US-4,905,189 |
System for reading and writing information First binary bits are read synchronously relative to clock signals (e.g. 125 MH.sub.z) from first memory positions and second binary bits are read from, or... |
| US-4,905,188 |
Functional cache memory chip architecture for improved cache access An on-chip VLSI cache architecture including a single-port, last-select, cache array organized as an n-way set-associative cache (having n congruence classes)... |
| US-4,905,187 |
Time-keeping apparatus Time-keeping apparatus includes a microcomputer having a normal, relatively high power consumption mode of operation and a standby relatively low power... |
| US-4,905,186 |
Portable data terminal A portable data terminal unit includes a data RAM for storing transaction data, and an acoustic coupler for transmitting the data stored in the data RAM to a... |
| US-4,905,185 |
Apparatus for transferring block data in original form and editing the
block data In a block data editing apparatus according to the invention, block data to be stored in a block data storage area is mangaged by a block management table for... |
| US-4,905,184 |
Address control system for segmented buffer memory A buffer memory in a peripheral controller has dedicated page and word location segments for each one of a multiple number of attached peripheral units.... |
| US-4,905,183 |
Pattern generator having plural pattern generating units executing
instructions in parallel A pattern generator permitting to output patterns at high speed and having an operating function, which is suitable for generating test patterns for memory ICs.... |
| US-4,905,182 |
Self-configuring memory management system with on card circuitry for
non-contentious allocation of reserved... A printed circuit board card adapted to fit into a slot and make electrical connections with cooperating terminals in the slot, the slot being disposed on the... |
| US-4,905,181 |
Interactive system with state manager subsystem An interactive system has a component which manages interactions with the user and a component which manages data transformations. Communication between the... |
| US-4,905,180 |
MOS adder with minimum pass gates in carry line A metal-oxide-semiconductor (MOS) partitioned carry lookahead adder fabricated from a plurality of four bit slice blocks. Each block provides four sum signals... |
| US-4,905,179 |
CMOS cell for logic operations with fast carry The elementary adder, as far as carry propagation is concerned, has two circuit branches: the first is an inverter (II) followed by a transfer gate (T1, T2)... |
| US-4,905,178 |
Fast shifter method and structure Normalization and scaling operations are performed by the use of the fast shifter of a micrprocessor operating in response to the system clock, rather than in... |
| US-4,905,177 |
High resolution phase to sine amplitude conversion A method and apparatus for converting phase data into amplitude data. Input phase data is divided into upper and lower phase increments using an input splitter... |
| US-4,905,176 |
Random number generator circuit A very large scale integrated (VLSI) compatible, random number generator which is highly invulnerable to cryptographic attack. The invulnerability to... |
| US-4,905,175 |
Digit-serial shifters constructed from basic cells A data shifter is constructed in monolithic integrated-circuit form essentially from three basic cells, namely: a first or A type of bit-slice cell with a... |
| US-4,905,174 |
Optical coordinate input apparatus In an optical coordinate input apparatus, an insect or mud may disturb optical coordinate input operation for a main computer. To avoid such a problem, light... |
| US-4,905,173 |
Hardened shop-floor data terminal In a preferred embodiment, a hardened data terminal having a heavy cover with a small, essentially sealed, internal cavity housing electronic components; a... |
| US-4,905,172 |
Method of generating and transmitting digitally distorted test signals A microprocessor controlled test system generates and transmits distorted digital signals to a system under test by expanding a bit pattern, representative of a... |
| US-4,905,171 |
Workstation controller performance monitor A workstation controller (WSC) performance monitor for locating performance bottlenecks is disclosed. The user notifies the host that he wants to start... |
| US-4,905,170 |
Method and apparatus of determining optical constants of amorphous
semiconductors and dielectrics Disclosed is a method of and apparatus for determining the optical constants of materials in general and also for determining thicknesses of thin films. A... |
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