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| Patent # | Description |
|---|---|
| US-4,839,873 |
Subsea acoustic relocation system A subsea acoustic relocation system provides an apparatus that includes in one embodiment an anchor, and in another embodiment a weighted frame having in part a... |
| US-4,839,872 |
Geophone with a sensitive element made of piezoelectric polymer A geophone designed to measure the vibrations of bodies, especially vibrations in the earth's crust, comprises two-strip sensors made of piezoelectric polymer,... |
| US-4,839,871 |
Underwater communication device An underwater speaker system having a pressure equalization system enabling the speaker to operate in its intended fashion over a wide range of water depths,... |
| US-4,839,870 |
Pressure pulse generator system for measuring while drilling A measurement while drilling apparatus for transmitting information carrying signals by fluid pressure changes in a borehole fluid circulation system having a... |
| US-4,839,869 |
Methods for processing converted wave seismic data The present invention provides methods for processing converted wave seismic data which includes, fractional point gathering of the data in a manner consistent... |
| US-4,839,868 |
Semiconductor memory device having sense amplifiers with delayed and
stopped drive times A semiconductor memory device includes a write data transfer unit; a plurality of groups of sense amplifiers; a plurality of word lines; and a plurality of pairs... |
| US-4,839,867 |
Method for refreshing data in a dynamic random access memory unit and
control unit for the implementation of... A method for controlling refreshing of data in a dynamic memory unit comprising a refresh generator and a timer provides that during a time interval of, for... |
| US-4,839,866 |
Cascadable first-in, first-out memory A cascadable first-in, first-out memory unit (11, 12, 13) has a load/unload control (152) for write-addressing and read-addressing selected memory locations... |
| US-4,839,865 |
Selective application of voltages for testing storage cells in
semiconductor memory arrangements A dynamic RAM is provided with a plurality of 1-MOSFET memory cells, each having a storage capacitor and a switching MOSFET coupled to one electrode of the... |
| US-4,839,864 |
Semiconductor memory device comprising programmable redundancy circuit A semiconductor memory device comprises a plurality of memory cells arranged in a plurality of rows and columns, a plurality of row decoders for selecting one... |
| US-4,839,863 |
Memory cell circuit Memory cell circuit has a pair of transistors in which the gates are connected to the drains, a first and a second access transistor whose gates are connected to... |
| US-4,839,862 |
Static random access memory having Bi-CMOS construction A semiconductor memory of a Bi-CMOS construction is disclosed. The memory includes a plurality of cell blocks connected in common to a pair of main-bit lines.... |
| US-4,839,861 |
Information recording medium rewritable by utilizing two metastable
phases of a recording layer and method... A rewritable information recording medium which has a recording layer containing a Group I transition element and a Group IV representative elements of the... |
| US-4,839,860 |
Semiconductor device having head only memory with differential amplifier A semiconductor memory includes a dummy cell for forming a reference potential, a read-only memory cell, and a differential amplifier circuit which receives the... |
| US-4,839,859 |
High density associative memory A multi-layered, thin-film, digital memory having associative recall. There is a first memory matrix and a second memory matrix. Each memory matrix comprises, a... |
| US-4,839,858 |
Serrated magnetic random memory cell and means for connecting a pair of
adjacent cells A random access thin film magnetic memory is provided. Individual memory elements, characterized by serrated edges, are separated by connecting regions. Each... |
| US-4,839,857 |
System for facilitating the control of audio information within a word
processing document with audio input A word processing system in which text can be displayed on a display device and audio recording and playback means is provided to permit a user to record an... |
| US-4,839,856 |
Memory access control circuit Memory address signals consisting of upper and lower address signals output from a memory access circuit are retained by an address counter. An address... |
| US-4,839,855 |
Multiple redundant clock circuit In a data processing device which consists of a plurality of parallel-operating modules, each of the four modules is provided with its own clock circuit.... |
| US-4,839,854 |
Data collection system having stationary unit with electromagnetic
induction circuitry for bidirectionally... A system for collection of data and entry of the data to a host computer has a portable, hand held, data collector for collecting data and a stationary data... |
| US-4,839,853 |
Computer information retrieval using latent semantic structure A methodology for retrieving textual data objects is disclosed. The information is treated in the statistical domain by presuming that there is an underlying,... |
| US-4,839,852 |
Programmable controller with self testing I/O structure A programmable controller includes a processor unit which connects to one or more I/O units that connect to sensing devices and operating devices on equipment... |
| US-4,839,851 |
Programmable data path device A programmable data path device capable of operating as a general purpose hardware accelerator. The device includes a plurality of processing cells, memory such... |
| US-4,839,850 |
Apparatus for bit-parallel addition of binary numbers In an arrangement for the bit-parallel addition of binary numbers in two's complement form, a series of adders (AD.sub.i) are provided to receive inputs for... |
| US-4,839,849 |
Ripple-carry adder An adder cell for a ripple-carry adder, suitable for use in an integrated circuit employing CMOS technology, has a gate arrangement for two input variables and a... |
| US-4,839,848 |
Fast multiplier circuit incorporating parallel arrays of two-bit and
three-bit adders A multiplier circuit is comprised of multiple arrays of logic cells. Each array has input lines for receiving two multibit binary numbers that are to be... |
| US-4,839,847 |
N-clock, n-bit-serial multiplier A bit-serial multiplier has a multi-stage input data register and a multi-tiered tree of multiplexer/adder circuits coupled thereto which produces, at the output... |
| US-4,839,846 |
Apparatus for performing floating point arithmetic operations and
rounding the result thereof An operation unit capable of performing round processing at a high speed in a floating point operation. A circuit for detecting an overflow on the condition of a... |
| US-4,839,845 |
Method and apparatus for performing a vector reduction A vector data reduction to a scalar result in which adjacent elements in the vector are paired and each pair is sequentially reduced in an arithmetic unit... |
| US-4,839,844 |
Orthogonal transformer and apparatus operational thereby Apparatus for obtaining an orthogonal transformer for use in signal analysis. This apparatus is especially useful in cepstral analysis where vocal tract... |
| US-4,839,843 |
Method and apparatus for correcting a sequence of invalid samples of an
equidistantly sampled signal Method and apparatus for replacing a sequence of invalid samples of an equidistantly sampled signal, such as an audio signal, with valid signal samples from a... |
| US-4,839,842 |
Digital tone detection and generation Fast methods of tone detection and tone generation disclosed are particularly suitable for implementation in a digital signal processor. Chebyshev polynomials... |
| US-4,839,841 |
Programmable digital multiple event generator A multiple digital event generator produces events with timing that is programmable, yet the event generator requires a minimum of circuitry for its construction... |
| US-4,839,840 |
Highly responsive barrel shifter In a barrel shifter for shifting an input data by a given shift count in response to shift signals through series-connected NMOS transistors, it is impossible to... |
| US-4,839,839 |
Barrel shifter including rotate operation Where an N-bit input data is rotated together with a carry bit by an N-bit or more rotate count, the actual rotate count is obtained as a remainder or modulo of... |
| US-4,839,838 |
Spatial input apparatus A three-dimensional spatial input apparatus including a series of coplanar, single axis accelerometers configured to provide information on translation along and... |
| US-4,839,837 |
Three layered laptop computer A portable, three layered laptop computer assembly includes a keyboard member pivotably attached to an output member and provided with an intermediate display... |
| US-4,839,836 |
Signal transient improvement arrangement Processing arrangement for enhancing signal contours of a signal, having a transition zone between low-amplitude and high-amplitude areas, including a device for... |
| US-4,839,835 |
Apparatus and method responsive to the on-board measuring of the load
carried by a truck body The invention relates to an apparatus for accurately measuring the weight of a load carried by a truck body which is mounted on a truck frame. The apparatus is... |
| US-4,839,834 |
Speed detecting apparatus In a speed detecting apparatus for detecting the rotational speed of a rotating body mechanically coupled thereto, an encoder generates one cycle of a sine-wave... |
| US-4,839,833 |
Programmable display engineering scale A programmable display engineering scale instrument includes a scale base such as a drafting machine type scale, an electronic display device including a... |
| US-4,839,832 |
Negative resistance device local extremum seeking circuit A negative resistance device local extremum seeking circuit including a negative resistance device (NRD) and a biasing device for providing a bias signal to... |
| US-4,839,831 |
Oil degradation warning system Herein disclosed is an oil degradation warning system for an engine equipped with a turbocharger. The system comprises first means for detecting the temperature... |
| US-4,839,830 |
Apparatus and method for the processing of operating data of an electric
motor Apparatus for processing motor operating data for an associated electric motor comprises a processing unit coupled to a motor stress operating data sensor and a... |
| US-4,839,829 |
Automated printing control system A system for automated control of the printing of a work comprises a first terminal adapted for use by a printing requester for receiving from the requester a... |
| US-4,839,828 |
Memory read/write control system for color graphic display A color graphic display having a read/write control system for a buffer memory therein. The invention provides Line-on-Line and Underpaint by way of a method... |
| US-4,839,827 |
Document processing apparatus In a document processing apparatus, the top position of the input data visually displayed on a display unit is displaced toward the end of the line and the... |
| US-4,839,826 |
Affine conversion apparatus using a raster generator to reduce cycle time An image processing apparatus including an affine conversion address generator, an image read memory, and an image write memory are connected via a control bus.... |
| US-4,839,825 |
Frame positioning method In a microfilm retrieval device, a frame which is at a position corresponding to its frame address is automatically retrieved and the object frame is projected... |
| US-4,839,824 |
Apparatus for measuring an object based on spatio-temporally derivated
image signals A measuring apparatus which makes use of spatio-temporal derivative method has a sensor which may be a pair of cameras for picking up images of a ... |
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