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Class 340/14.6 - Semiconductor crosspoint


Subclass of Class 340 - Communications: electrical
Definition: Subject matter wherein a matrix element has an electrical
No. of patents: 16
Last issue date: 09/18/2007


NumberTitleIssue Date
7271743Switch arrangement and a switch matrix structure for a keypad
A switch arrangement comprises a photoconductor to be illuminated. The switch arrangement also comprises a conductor which is intended to further transmit light escaping from the photoconductor and directed to the conductor by a local contact, wherein the conductor ...
09/18/2007
7180949High-speed chip-to-chip communication interface
A high-speed parallel interface for communicating data between integrated circuits is disclosed. The interface is implemented by a transmitter and receiver pair and a single-ended parallel interconnect bus coupling to the transmitter and receiver pair. As opposed to...
02/20/2007
7151432Circuit and method for a switch matrix and switch sensing
Aspects of a switch matrix circuit are provided. In accordance with a circuit aspect, a plurality of switches are organized in a row and column configuration. Coupled to the plurality of switches is a current sensing circuit. The current sensing circuit includes a t...
12/19/2006
6965299High-speed, low-power crossbar switch
In a crosspoint switch, both input buses and output buses are driven at low swing. Self-timed, differential, push-pull, low swing driver circuits drive the input buses and are provided in the crosspoints to drive the output buses. Clocked, regenerative sense amplifi...
11/15/2005
5191325Programmable relay control device
A programmable relay control device is provided for determining the level of at least two outputs as a function of signals present at the inputs and timing signals from a clock, comprising down-counting decades and programming and reprogramming means. Thi...
03/02/1993
5043719Matrix circuit
A matrix circuit has a plurality of blocks each including a plurality of semiconductor unit elements, the semiconductor unit elements of each block being adapted to be impressed with a predetermined voltage at the same time, each unit element becoming act...
08/27/1991
4876534Scanning method and apparatus for current signals having large dynamic range
There is disclosed herein apparatus and a method for scanning information off a processing plane where the information is contained in a current signal having a very small amplitude and which can change signs and vary in amplitude by as much as five order...
10/24/1989
4677437Input signal switching matrix for an elevator
In this invention, "column" buses connected to a power supply and "row" input lines are arranged in the shape of a matrix, external signal lines are connected to the intersection points thereof, and the "column" buses are switched at predetermined cycles ...
06/30/1987
4646266Programmable semiconductor structures and methods for using the same
A solid state semiconductor device is disclosed which is programmable so as to alter the impedance between its two terminals. In many embodiments, the device is programmable to have any one of four conditions: a first in which the electrical impedance is ...
02/24/1987
4644353Programmable interface
A programmable interface to selectively couple the terminals of an electronic system to desired circuit locations within the system. By applying programming signals to the input terminals of the interface in a prescribed sequence, the interface is program...
02/17/1987
4621261System for making a thermo-active device temperature dependent
A system for making a device temperature dependent whose operation is dependent on the local heating applied to a thermo-active material layer. The invention uses the heating electrodes of the device as temperature sensors, the information detected by the...
11/04/1986
4274112Switching matrix for selectively connecting incoming signals to desired output paths
The invention relates to a circuit arrangement for passing of blocking signals having wide band width with the use of at least one electronic switch. The circuit is a very simple arrangement, and provides for a plurality of modulators, or at least one mod...
06/16/1981
4257060Semiconductor switch
In a semiconductor switch for use in a telephone exchange, interference between separate switching units located on a single chip is frequently a problem. To overcome this, a semiconductor switch is provided with a plurality of islands of silicon monocrys...
03/17/1981
4161038Complementary metal-ferroelectric semiconductor transistor structure and a matrix of such transistor structure for performing a comparison
A complementary metal-ferroelectric-semiconductor transistor structure (MFST) in which an n-channel MFST is electrically coupled to a p-channel MFST in complementary fashion with the source of the n-channel MFST connected to the drain of the p-channel MFS...
07/10/1979
4128742Rugged crosspoints for communication systems
A bilateral solid-state crosspoint for use in a telecommunications switching network is disclosed comprising a pair of Darlington connected pairs of transistors connected in a complementary relationship. The transmission path in each direction through the...
12/05/1978
4068217Ultimate density non-volatile cross-point semiconductor memory array
An extremely high density memory array in which every intersection between two insulated orthogonal sets of drive lines define a nonvolatile memory device is described. Each device utilizes the area directly under the intersection of sets of lines to sele...
01/10/1978
 
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