EINKNOPFBEDIENUNG FUER EINFACHEN RANGIERBETRIEB BEI VIDEOMAGNETBANDRECORDERN.

摘要

Rotation (3) of the knob (1) in either direction sends pulses from corresp. generators (5,6) to a receiver (7) connected to a microprocessor (8), which controls the direction and speed of movement of the tape driven by a motor (12). Axial movement (2) of the knob (1) causes its shaft (4) to close a switch (9) connecting a voltage source (10) to the microprocessor (8). When the knob (1) is released, a coil spring (11) restores it to the inactive position allowing the switch (9) to reopen. Tape speed varies with the deg. of rotation of the knob, giving a choice of up to 12 forward and reverse speeds.