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| Number | Title | Issue Date |
| 7289558 | Infinite impulse response multiplierless digital filter architecture A multiplierless IIR filter incorporates power-of-two coefficients to perform shift operations to reduce space and increase speed. To optimize performance, a genetic algorithm generates the power-of-two coefficients. The filter architecture includes shift registers ... | 10/30/2007 |
| 7174014 | Method and system for performing permutations with bit permutation instructions The present invention provides permutation instructions usable in a programmable processor for solving permutation problems in cryptography, multimedia and other applications. PPERM and PPERM3R instructions are defined to perform permutations by a sequence of... | 02/06/2007 |
| 7133693 | Information processing device, schedule inputting method and program for use in information processing device The present invention is intended to provide an information processing device adapted to rapidly register thereinto a schedule, a schedule inputting method for use in the information processing device, and a schedule inputting program used in the information process... | 11/07/2006 |
| 7069485 | Reading data from a memory with a memory access controller A serial scan path communication architecture includes a plurality of circuits (30), some of which may include a memory (36). A memory access controller (38) is included in circuits with a memory (36) such that serial data may be written to and ... | 06/27/2006 |
| 7058862 | Selecting different 1149.1 TAP domains from update-IR state IEEE 1149.1 Test Access Ports (TAPs) may be utilized at both IC and intellectual property core design levels. TAPs serve as serial communication ports for accessing a variety of embedded circuitry within ICs and cores including; IEEE 1149.1 boundary scan circuitry, ... | 06/06/2006 |
| 7058871 | Circuit with expected data memory coupled to serial input lead A digital bus monitor used to observe data on a bus (14, 16, 18) connecting multiple integrated circuits (10, 12) comprises a memory buffer (30), bypass register (34), test port (38) and output control circuits (42, 46) cont... | 06/06/2006 |
| 7039843 | Modeling custom scan flops in level sensitive scan design A system and method for testing an integrated circuit is provided. The illustrative embodiment provides a scan cell for use with automatic test pattern generation (ATPG). In the scan cell of the illustrative embodiment, a flip-flop is configured as a master storage ... | 05/02/2006 |
| 6996761 | IC with protocol selection memory coupled to serial scan path A digital bus monitor used to observe data on a bus (14, 16, 18) connecting multiple integrated circuits (10, 12) comprises a memory buffer (30), bypass register (34), test port (38) and output control circuits (42, 46) cont... | 02/07/2006 |
| 6975980 | Hierarchical linking module connection to access ports of embedded cores An integrated circuit can have plural core circuits, each having a test access port that is defined in IEEE Standard 1149.1. Access to and control of these ports is though a test linking module. The test access ports on an integrated circuit can be arranged in a hie... | 12/13/2005 |
| 6959408 | IC with serial scan path, protocol memory, and event circuit A digital bus monitor used to observe data on a bus (14, 16, 18) connecting multiple integrated circuits (10, 12) comprises a memory buffer (30), bypass register (34), test port (38) and output control circuits (42, 46) cont... | 10/25/2005 |
| 6750770 | Transponder with a changeable circuit configuration A transponder (1) and an integrated circuit (4) have at least one signal channel (5, 6, 7), each signal channel (5, 6, 7) having at least two signal processing stages (25, 26, 27, 28, 29, 30, 31) and at least one signal processing ... | 06/15/2004 |
| 5525981 | Cordless digitizer transducer/cursor status transmission apparatus and method A cordless transducer/cursor having a transmitter for use in conjunction with the receiver of a digitizer tablet. The transmitter receives parallel binary signals representing the status of non-positional functions such as command button status and the pr... | 06/11/1996 |
| 5512846 | Signal selecting device controlled by a serially transmitted mode signal requiring but one terminal In a signal selecting device, a mode determination portion 61 comprises a shift register 11, a clock generating portion 20 and decoder 51. The clock generating portion 20 receives a mode signal M and generates a clock signal CK1 used for decoding the mode... | 04/30/1996 |
| 5408497 | Transceiver for transmitting and receiving stair-stepped sinusoidal waveforms A transceiver for transmitting and receiving digital data represented as stair-stepped sinusoidal waveforms over twisted pair lines interconnecting nodes of a network. The transmitter of the transceiver converts square waves into the stair stepped sinusoi... | 04/18/1995 |
| 5406273 | Data processor A data processing apparatus receives key codes corresponding to keys depressed on a plurality of keyboards. These key codes are sequentially stored in a first-in first-out (FIFO) buffer awaiting processing by a central processing unit (CPU). If successive... | 04/11/1995 |
| 5233347 | Synchronous manufacturing service request and acknowledge panel circuit An apparatus suitable for implementation in synchronous manufacturing systems includes operator stations, a request panel and an acknowledge panel. The operator stations are coupled to the request panel and send request signals to the request panel. The r... | 08/03/1993 |
| 5223832 | Serial data transmission circuit A serial data transmission circuit for performing a data transmission in a serial form includes a data shift signal input terminal, a data latch signal input terminal, and an output selector, the output of which is connected to a serial data output termin... | 06/29/1993 |
| 4888585 | Information signal transmitting device An information signal transmitting device which can transmit a large amount of information rapidly and readily with a simplified construction of a reduced size and can be produced at a reduced cost. The device comprises a movable unit and a fixed unit bet... | 12/19/1989 |
| 4845755 | Remote control hearing aid A hearing aid with wireless remote control of at least one of its controllable functions. The microphone of the hearing aird is used as a receiving element for the control signals. Energy (such as ultrasound) which the hearing aid microphone can transform... | 07/04/1989 |
| 4790019 | Remote hearing aid volume control A hearing aid comprises a microphone, a battery-operated earphone, and amplifying circuit connected to the microphone output, the amplifying circuit including a frequency-selective circuit component and a sound level adjustment circuit component connected... | 12/06/1988 |
| 4694293 | Data transmission system A data transmission system comprises a transmitter and a plurality of serially connected receivers. The transmitter, when energized, outputs an initialization signal to all of the receivers and also outputs a data of a predetermined value to the first rec... | 09/15/1987 |
| 4633247 | Remote control system for selectively activating and inactivating equipment Sixteen bit messages for selectively controlling receivers either to switch on an apparatus or to switch that apparatus off are transmitted on a format in which sixteen zeros are first transmitted, then a Willard sequence, then a control command, and then... | 12/30/1986 |
| 4623888 | Multi-function control interface circuit An interface circuit includes programmable registers both for making provisioning signals available to a set of electric circuit devices, and for monitoring operation of at least a portion of those devices. Signals received from a control source are emplo... | 11/18/1986 |
| 4622684 | Device for recognition of binary words The device according to the invention is useful for recognizing binary locking words in a digital train. It comprises six flip flops connected to an AND gate for recognizing the first six bits of the locking words. The first five flip flops are connected ... | 11/11/1986 |
| 4614944 | Telemetry system for distributed equipment controls and equipment monitors A telemetry system for a plurality of distributed equipment controls and/or equipment monitors that does not require complex masses of wires. The telemetry system includes an output channel for communicating control signals to the equipment controls and/o... | 09/30/1986 |
| 4580137 | LSSD-testable D-type edge-trigger-operable latch with overriding set/reset asynchronous control A LSSD testable latch circuit apparatus is disclosed which has systems operational and LSSD testing operational modes. The apparatus is arranged with first and second groups of flip-flops, each group having three flip-flops. Control means allows for selec... | 04/01/1986 |
| 4554541 | Flag detection circuit A logic circuit detects an eight bit flag, "01111110," which according to an accepted telecommunication protocol begins and ends each packet of serially sent digitized voice or data. The circuit may easily be added to existing hardware.... | 11/19/1985 |
| 4551720 | Packet switching system A packet switching system includes encoding circuitry for generating and intermittently transmitting a plurality of data packets in serial bit stream format. Each data packet consists of a plurality of data words and one or more address words where each s... | 11/05/1985 |
| 4398193 | Control apparatus A control apparatus for controlling a plurality of characteristics, such as hue, color, brightness, sound and the like, of a reproduced video picture includes a transmitter having a memory for storing data entries corresponding to the characteristics to b... | 08/09/1983 |
| 4348669 | Load energizing and de-energizing control system and method A system operates to control the energizing and deenergizing of energy-utilizing loads at facilities remote from each other. A transmitter, remote from each of the facilities, transmits signals carrying a plurality of time multiplexed channels of informat... | 09/07/1982 |
| 4314371 | Digital radio communications system with high noise immunity A digital data radio transmission system, such as may be used in communicating point-to-point by radio, in which a keyboard is used to insert a multi-decimal-digit number representing the called station. This is fed to a decimal-to-binary converter, formi... | 02/02/1982 |
| 4242664 | Remote control arrangement The invention provides remote control methods and arrangements using pulse code modulation for transmission as in infrared remote control arrangements. A primary feature is that only one quartz oscillator is necessary and is used in the receiver part. The... | 12/30/1980 |
| 4228419 | Emergency vehicle traffic control system The present system provides a traffic signal control system which will allow moving emergency vehicles to remotely take control of the traffic signals at an intersection. The transmitter part of the system utilizes a microwave transmitter that is mounted ... | 10/14/1980 |
| 4175238 | Switching arrangement for remote-controlled electrical loads A switching arrangement for remote-controlled electrical loads employing command transmitters, each of which is operatively connected to a switching device for control of a load over cooperable coder and decoders which are connected by electric lines, wit... | 11/20/1979 |
| 4156232 | Single wire light control system A single-wire system for controlling electrical devices and multiple lights such as warning and signal lights for buses and other vehicles. The system includes a transmitter at a forward end of the vehicle and a receiver at the rear, a power supply and a ... | 05/22/1979 |
| 4155075 | Remote control system for selective load switching, specifically for automotive vehicles A central station is connected to a ring bus system to which a number of separately addressable loads are connected through specific load receivers. The central station has a switching system by operation of selected switches of which, specific loads can ... | 05/15/1979 |
| 4135150 | Decoder circuit for detecting sequentially presented code digit signals A decoder circuit for receiving a sequence of coded digit signals and detecting when a preselected digit signal sequence is received includes a converter having a plurality of converter outputs which are energized in response to receipt of each of the cod... | 01/16/1979 |
| 4132981 | Self-powered system for measuring and storing consumption of utility meter A system is disclosed for storing signals indicative of a customer's consumption of a utility as measured by a meter, such as adapted to measure the flow of water, gas or electricity, for example, and for storing a corresponding data word to permit subseq... | 01/02/1979 |
| 4131881 | Communication system including addressing apparatus for use in remotely controllable devices A data communication system includes apparatus for use in each of a plurality of simultaneously addressable terminal units. Means are provided for recognizing a large number of addresses to allow the selective addressing of any single terminal unit, simul... | 12/26/1978 |
| 4127848 | Liquid crystal waveform displays An electronic analogue waveform display comprises a liquid crystal cell having x, y electrodes whereby the cell is addressed in a matrix manner by applying electric potentials of about zero at required x, y intersections and above a threshold voltage at a... | 11/28/1978 |
