Tape cassette loading system for a magnetic recording and reprod

Details Tape cassette loading system for a magnetic recording and reprod Tape cassette loading system for a magnetic recording and reprod

1988-02-16

1990-02-20

Wolff, John H.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

360 85, 360 94, 360 965, G11B 5004, G11B 15665

Patent

active

049031490

ABSTRACT:
A tape cassette loading system for a magnetic recording and reproducing apparatus, such as a VTR, capable of operating with a plurality of kinds of tape cassettes varying in the center distance between a pair of reels contained therein comprises a reel mount shifting mechanism which discriminates between different tape cassettes and varies the center distance between a pair of reel mounts of the VTR according to the center distance between a pair of reels of a tape cassette to be used, a cassette holder capable of moving between a cassette inserting position and a cassette mounting position, a tape loading mechanism for winding the tape of a tape cassette mounted on the reel mounts around a rotary drum, driving circuits respectively for driving the reel mount shifting mechanism, the cassette holder and the tape loading mechanism, a single variable output power circuit for supplying power to the driving circuits, and a control circuit for connecting the variable output power circuit alternately to the driving circuits in a time sharing mode. The provision of a single variable output power circuit and the connection of the variable output power circuit alternately to the driving circuits eliminate accidental simultaneous actuation of the driving circuits and reduce the scale of the electrical circuit of the tape cassette loading system.

REFERENCES:
patent: 4620245 (1986-10-01), Shimizu
patent: 4631607 (1986-12-01), Katsumata
patent: 4664337 (1987-05-01), Shiratori
patent: 4752845 (1988-06-01), Suzuki
patent: 4782408 (1988-11-01), Inoue et al.
patent: 4788609 (1988-11-01), Yamada et al.

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