Tape recorder including device to prevent improper operation of

Tape recorder utilizing an integrated circuit

Tape recorder with coupling between the recording-switch and sou

Tape recorder with cue processor

Tape recorder with digital automatic level control

Tape recorder with means for displaying operation modes in the f

Tape recorder with noise blanking circuit

Tape recorders

Tape recording and/or reproducing apparatus

Tape recording and/or reproducing apparatus

Tape recording apparatus

Tape recording apparatus provided with a bias control device

Tape speed switching multiple track tape recorder

Technique for optimizing MR-bias current

Technique for preventing unauthorized copying of information rec

Techniques for providing DC-free detection of DC...

Techniques for storing shingle blocks in a cache memory...

Techniques for ultrahigh density writing with a probe on erasabl

Television signal disc drive recorder

Temperature dependent disc drive parametric configuration