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7559012 |
Method for error detection and flow direction determination in a measuring meter
A method for correcting data signal errors in a meter has been developed. The method includes receiving ordered data signals from the meter. Next, the sequenced of ordered data signals is analyzed...
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7496813 |
Communicating simultaneously a functional signal and a diagnostic signal for an integrated circuit using a shared pin
An integrated circuit 2 including functional circuits 4, 6 and a diagnostic circuit 10 passes a functional signal and a diagnostic signal to/from the integrated circuit using a shared...
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7340657 |
On-chip high-speed serial data analyzers, systems, and associated methods
In an embodiment, a method includes forming a plurality of time/voltage points from a number of voltage values and from a number of time values, generating serialized data having a predetermined...
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6691262 |
Method and apparatus for quality evaluation of cable circuit
A cable line quality evaluating method for evaluating a quality of a cable line for transmitting a digital modulation signal in a bidirectional manner comprises the steps of extracting a noise...
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6604223 |
System and method for correcting interference errors in data encoded on storage media
A system and method for correcting interference errors in data encoded on storage media comprising position marks disposed on a storage medium, the position marks being configured to encode a...
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6542832 |
Error detection and correction system for use with dual-pulse output metering devices
An error correction and detection system for a dual-pulse output metering device is provided. The system detects errors in the dual-pulse output of the metering device by comparing the current...
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6434146 |
USE OF SEQUENCING INFORMATION IN A LOCAL HEADER THAT ALLOWS PROPER SYNCHRONIZATION OF PACKETS TO SUBSIDIARY INTERFACES WITHIN THE POST-PROCESSING ENVIRONMENT OF AN MPEG-2 PACKET DEMULTIPLEXING ARCHITECTURE
A system and method for demultiplexing and distributing transport packets, such as MPEG-2 transport packets, by generating and associating a locally-generated header with each of the transport...
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6411196 |
System and method of controlling an electronic price label
A system and method of controlling an electronic price label (EPL) through infra-red signals instead of push-button signals. The system includes a computer which transmits wireless radio frequency...
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6338156 |
Method and device for detecting the loss-of-signal condition at the input of a transmission line interface
A method of detecting the loss-of-signal condition at the input of a transmission line interface when the input signal is coded. The input signal decoding includes an additional procedure allowing...
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6314537 |
Command generator having single-input to multi-output converter
A command generator having a single-input multi-out converter is provided. The command generator in a memory device comprises a converter for receiving first and second control signals from...
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6223325 |
Peak error detector
A data signal peak error detector for monitoring and detecting undesired shifts in the peak levels of a multilevel data signal, such as an MLT3 Ethernet signal. A signal slicing circuit generates...
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6211773 |
Remote control device and method for electronic price label systems
A remote control device and method for electronic price label (EPL) systems which includes circuitry from EPLs. The remote control device includes a first EPL circuit, a second EPL circuit, and a...
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6125470 |
Distributive encoder for encoding error signals which represent signal peak errors in data signals for correcting erroneous signal baseline conditions
A digital signal error detection circuit and method for identifying interruptions in respective occurrences of opposing signal states of an equalized digital data signal. Signal level status...
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6098195 |
Multiple recent event age tracking method and apparatus
A method of detecting an alarm indication signal in a bitstream when the detection criterion is that a specified event occurs less than a predetermined number of times in a sliding window of a...
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6044489 |
Data signal baseline error detector
A data signal baseline error detector for monitoring and detecting undesired shifts in the baseline, or other intermediate level, of a multilevel data signal, such as an MLT3 Ethernet signal, as...
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5993057 |
Apparatus for detecting and averaging data in a digital data stream
An apparatus for averaging pulses in a stream of pulses, which pulses are categorizable into at least two categories, includes structure for isolating the pulses into groupings of pulses, structure...
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5903613 |
Data reception device, data reception method and electronic equipment
The invention relates to a data reception device for receiving packetized data in the form of a differential signal. This device comprises a data reception section that generates a digital signal...
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5818847 |
System and method for providing real time values in digital data processing system
A programmable clock circuit generates a real time clock value, which is incremented in response to a real time clock increment signal. The real time clock increment signal is generated after a...
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5781570 |
Error processing method of ADPCM voice transmission system and apparatus therefor
Reception signal strength of ADPCM voice data in a transmission frame is detected every ADPCM voice data in an RSSI detecting section (2), and when a base band processing section (3) effects...
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5774483 |
Method and apparatus for recovering an image in a video telephone system
An image recovery method and apparatus in a video telephone system includes an image compression coding device for coding an analog image signal and for decoding image data received in dependence...
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5757282 |
Low rate telemetry channel
Low rate telemetry transmission between a transmission side and a receiving side is accomplished at the transmission side on digital information in a channel at a predetermined bit rate by...
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5742623 |
Error detection and recovery for high rate isochronous data in MPEG-2 data streams
Error recovery is provided for isochronous data ("isodata") obtained from a data stream. Isodata transport packets are monitored to locate isodata presentation time stamps (PTSs). The presentation...
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5734722 |
Electronic travel pass
A data transfer system transfers data between a smartcard and a reader by transmitting a series of binary pulses, where the absence or presence of single predetermined pulses within the series...
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5726992 |
Circuit for and method of assessing an RDS signal
A method of assessing the quality and/or existence of a biphase-modulated digital RDS signal in a radio signal broadcast by a radio transmitter and received by a radio receiver equipped for RDS, in...
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5703409 |
Error counting circuit
An error counting circuit is adapted to count a number of code errors of a main signal in an external apparatus which is coupled to an optical transmission path. The error counting circuit includes...
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5696776 |
Data transmission method in a real-time data processing system
A data transmission method in a real-time data processing system, comprising a control unit and at least one function unit linked to this control unit through a data line, is described that permits...
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5673278 |
Method and apparatus for introducing diagnostic pulses into an analog signal generated by an instrument
A method and apparatus for notifying a receiving device of fault conditions in a sensing element or an instrument. The instrument generates an analog signal that has an amplitude which is...
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5671256 |
Method for decoding a digital signal
A received signal is sampled and a mean is calculated. A zero crossing sample is then located and used to locate a starting sample and the samples are read from that point forward, using sampling...
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5623497 |
Bit error rate measurement apparatus
A bit error measurement apparatus is capable of easily specifying pattern conditions which cause bit errors in an incoming signal pattern without measuring all of a test pattern by measuring a bit...
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5621743 |
CD-ROM decoder for correcting errors in header data
A CD-ROM decoder provides error correction for header data of digital data read out from a ROM disc. Address information contained in the header data of the read out digital data is stored in an...
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5577056 |
Method and apparatus for adjusting the postamble false detection probability threshold for a burst transmission
A method and apparatus for adjusting the postamble false detection probability threshold for transmission systems that carry telephony network signals using binary-phase shift-keying (BPSK) burst...
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5570382 |
Clock signal fault detector
A clock signal hull detector includes a signal level monitor for detecting an extraordinary condition in which the clock signal to be monitored is stuck at either a high level or a low level and a...
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5528165 |
Logic signal validity verification apparatus
A logic signal validity verifier for use in determining the validity of the logic states of a group of logic signals includes an inactive signal fault monitor for determining when all of the logic...
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5513189 |
Boundary scan system with improved error reporting using sentinel bit patterns
A boundary scan bus error reporting circuitry loads an unused sentinel bit pattern into the boundary scan instruction register in a conventional error reporting boundary scan test system. The...
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5506870 |
Signal acquisition detection method
A method of detecting whether a valid DS1 signal is being received by a receiver. If the receiver does not have a valid signal (loss of signal), then the receiver reads consecutive fixed sized N...
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5504761 |
Apparatus for detecting error in a communications line
Error detection apparatus for a communications line includes an even/odd detection unit for detecting whether an even number of bipolar pulses or an odd number of bipolar pulses occur between a...
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5495598 |
Stuck fault detection for branch instruction condition signals
A method and apparatus for detecting stuck faults in a signal line used to communicate a branch condition for executing conditional branch instructions by a data processing system containing a...
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5481555 |
System and method for error detection and reducing simultaneous switching noise
A system and method that reduces the simultaneous switching noise of outputs and the processing delays caused by inductance by using an encoding scheme that results in a net signaling current of...
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5471484 |
Method and apparatus for testing digital signals
A logical circuit is tested by comparing at least one arbitrary bit of a logical signal among logical signals outputted from the logical circuit with an expected value corresponding to the correct...
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5410557 |
Method and apparatus for recognizing valid components in a digital signal
An apparatus for distinguishing a wanted signal in a binary signal sequence having both wanted signals and interference signals includes the step of generating a correction value which has a first...
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5394408 |
Policing control apparatus
A policing control apparatus having a cell input terminal receiving asynchronous transmission communication network cells; a policing circuit coupled to the input terminal for policing transmission...
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5381186 |
Video signal decoder muting circuit and method of muting
A mute circuit of a MUSE decoder can remove noise produced in the changing of channels in a multi-broadcast receiver and includes a synchronizing signal comparator for comparing the audio frame...
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5373508 |
Detecting valid data from a twisted pair medium
Two parallel valid data detectors are provided to detect whether a sinusoidal electrical signal from a twisted pair medium represents valid data. One handles phase 0 degree starting sinusoidal...
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5343482 |
Method and apparatus for detecting pulse density violations in T1 transmission
A method of detecting a pulse density violation in the T1 transmission of digital signals, which includes counting bits in sets of "k" successively in n serial stages generating an empty-out signal...
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5339205 |
Recording/reproduction apparatus with error detection capability
A magnetic recording/reproduction device is disclosed that records data while forming serially a plurality of recording tracks on a magnetic tape. Each of the plurality of recording tracks have a...
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5329538 |
Circuit for providing digital data having high clarity in a digital signal receiver
In the present invention, input data are extracted by a clock and compared with the previous input data. A cyclic counter is provided for cyclically counting clock signals in each noise erasure...
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5278841 |
Method and apparatus for diagnosing net interconnect faults using echo pulsed signals
System speed boundary tests are made on nets interconnecting field programmable logic without any external testing equipment or special printed circuit board layout for such a test. Only a single...
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5267251 |
Line interface for a data transmission network
A line interface for a two wire bus for detecting defects of the bus. The interface includes a shaping circuit having three comparators. The first comparator having two inputs connected to the two...
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5267250 |
Circuit arrangement for detection of an erroneous selection signal supplied to selection means
An erroneous selection signal detecting circuit in a data transfer system. Conventional error detecting systems may not be capable of detecting errors in the selection signal generating circuit...
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5170396 |
Data valid detector circuit for Manchester encoded data
A data valid detector circuit for Manchester encoded data monitors two parameters to determine single bit validity, namely, the location and number of edges in one bit period, and the output count...
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