Automatic terminal for dispensing and recording digital data

Automatic termination of operation of a cassette changer

Automatic threading apparatus

Automatic threading tape drive

Automatic threshold tracking system

Automatic tracking apparatus

Automatic tracking for a videotape recorder

Automatic tracking method and apparatus for rotary scan tape...

Automatic tracking servo control system

Automatic tracking servo control system

Automatic tracking system for magnetic recording and/or...

Automatic vending machine for phonograph records

Automatic video disc inverting mechanism

Automatic web threading apparatus

Automatic writing systems and methods of word processing...

Automatically calibrated rf envelope detector circuit

Automatically compensated movable head servo circuit and method

Automatically threading tape transport

Auxiliary channel masking in an audio signal

Av/c commands for accessing a hard disk device