Interval detection and drive mechanism for cassette tape recorder
US4228472A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 1978 |
| Grant date | Oct 14, 1980 |
| Priority date | — |
| Expiry date | Oct 26, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B15/1883
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An interval detection and drive mechanism for a cassette tape recorder is disclosed which comprises an electrical circuit for detecting the interval between recorded tunes in the tape; tape drive control means shiftable between a fast forward or rewind state and a playback state; a lock plate associated with the detecting circuit and with the playback, fast forward and rewind levers; and means for moving the playback lever to the playback position. Upon detection of the interval between tunes during the fast forward or rewind operation, the detecting circuit delivers a detection signal such that the control means is shifted from the fast forward or rewind state to the playback state and the playback lever is moved to the playback position. The tape recorder is changed into the playback operation which is visually represented by the retracted playback lever.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.