Error checking and correcting device

Error correcting and controlling system

Error correcting circuit arrangement using cube circuits

Error correcting system for serial by byte data

Error correction code and apparatus for the correction of differ

Error correction encoder and decoder

Error correction for signals employing the modified duobinary co

Error correction for two bytes in each code word in a multi-code

Error correction of digital signals

Error correction system in a programmable calculator

Error density detector

Error detection and correction

Error detection and correction

Error detection and correction in data processing systems

Error detection and correction system

Error detection and indication system for bi-phase encoded digit

Error detection and recovery from magnetic tape

Error detection and sequence maintaining system for bar-code rea

Error detection apparatus for verifying binary coded constants

Error detection in digital systems