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Class Information
Number: 714/809
Name: Error detection/correction and fault detection/recovery > Pulse or data error handling > Error/fault detection technique > Code constraint monitored
Description: Subject matter in which the digital data encoding scheme provides inherent constrained conditions which are monitored to enable error/fault detection.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7392464 |
Universal parity encoder |
Jun. 24, 2008 |
| 7290203 |
Dynamic memory architecture employing passive expiration of data |
Oct. 30, 2007 |
| 7242325 |
Error correction compensating ones or zeros string suppression |
Jul. 10, 2007 |
| 7243297 |
Method for bit recovery in an asymmetric data channel |
Jul. 10, 2007 |
| 7149956 |
Converging error-recovery for multi-bit-incrementing gray code |
Dec. 12, 2006 |
| 7149955 |
Encoding and decoding apparatus and method with hamming weight enhancement |
Dec. 12, 2006 |
| 7013422 |
Noise removal in multibyte text encodings using statistical models |
Mar. 14, 2006 |
| 6977970 |
Data reproducing apparatus and method for improving detection performance by adjusting decision levels used in data detector |
Dec. 20, 2005 |
| 6732320 |
Method and system for improved error correction in optical media data processing |
May. 4, 2004 |
| 6622284 |
Method and apparatus for detection of errors in one-hot words |
Sep. 16, 2003 |
| 6604224 |
Method of performing content integrity analysis of a data stream |
Aug. 5, 2003 |
| 6430230 |
Methods of encoding payload bits for transmission |
Aug. 6, 2002 |
| 6275967 |
Optical disk drive using y0+y1 signal detection |
Aug. 14, 2001 |
| 6233289 |
High rate trellis code for partial response channels |
May. 15, 2001 |
| 6079045 |
Transmission system and recording system having a simplified symbol detector |
Jun. 20, 2000 |
| 6003154 |
System and method for covering illegal states in a programmable gate array |
Dec. 14, 1999 |
| 5950150 |
Fire/life safety system operation criteria compliance verification system and method |
Sep. 7, 1999 |
| 5942001 |
Information processing apparatus |
Aug. 24, 1999 |
| 5894486 |
Coding/decoding apparatus |
Apr. 13, 1999 |
| 5862161 |
Sampled amplitude read channel with simplified sequence detector matched to partial erasure |
Jan. 19, 1999 |
| 5802081 |
Digital information modulating apparatus |
Sep. 1, 1998 |
| 5768630 |
Apparatus for receiving and transmitting a serial data |
Jun. 16, 1998 |
| 5748649 |
System enabling a magnetic code recorded on a magnetic track to be properly decoded in the form of a binary message |
May. 5, 1998 |
| 5703889 |
High efficiency coding signal processing apparatus with error propagation influence reduction |
Dec. 30, 1997 |
| 5682405 |
Ones density monitor |
Oct. 28, 1997 |
| 5675569 |
Readback circuit for an optical information reading and recording apparatus |
Oct. 7, 1997 |
| 5673266 |
Subsequent frame variable data rate indication method |
Sep. 30, 1997 |
| 5673130 |
Circuit and method of encoding and decoding digital data transmitted along optical fibers |
Sep. 30, 1997 |
| 5506870 |
Signal acquisition detection method |
Apr. 9, 1996 |
| 5438621 |
DC-free line code and bit and frame synchronization for arbitrary data transmission |
Aug. 1, 1995 |
| 5434886 |
Digital communication system |
Jul. 18, 1995 |
| 5400361 |
Signal acquisition detection method |
Mar. 21, 1995 |
| 5396503 |
Method and system for communicating data |
Mar. 7, 1995 |
| 5390195 |
Miller-squared decoder with erasure flag output |
Feb. 14, 1995 |
| 5384790 |
Magnetic recording system with pulse qualification and error correction circuitry |
Jan. 24, 1995 |
| 5373513 |
Shift correction code system for correcting additive errors and synchronization slips |
Dec. 13, 1994 |
| 5357524 |
Apparatus for converting a digital signal |
Oct. 18, 1994 |
| 5325376 |
Communication system for detecting a communication error in information transmitted between a plurality of units and a main control unit |
Jun. 28, 1994 |
| 5251220 |
Method and apparatus for error detection and processing |
Oct. 5, 1993 |
| 5249186 |
Apparatus for detecting the start of frame in bipolar transmission systems |
Sep. 28, 1993 |
| 5162791 |
Collision detection using code rule violations of the Manchester code |
Nov. 10, 1992 |
| 5095484 |
Phase invariant rate 8/10 matched spectral null code for PRML |
Mar. 10, 1992 |
| 5022051 |
DC-free line code for arbitrary data transmission |
Jun. 4, 1991 |
| 5016258 |
Digital modulator and demodulator |
May. 14, 1991 |
| 4975916 |
Character snychronization |
Dec. 4, 1990 |
| 4943965 |
Digital signal decoding method and circuit therefor |
Jul. 24, 1990 |
| 4939735 |
Information handling system having serial channel to control unit link |
Jul. 3, 1990 |
| 4933672 |
Data transmission system with a digital alarm facility |
Jun. 12, 1990 |
| 4864158 |
Rapid signal validity checking apparatus |
Sep. 5, 1989 |
| 4853931 |
Violating All Zero Octet (VAZO) detector for a zero byte time slot interchange (ZBTSI) encoder |
Aug. 1, 1989 |
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