Power supply device for a multifunction apparatus having a plura

Details Power supply device for a multifunction apparatus having a plura Power supply device for a multifunction apparatus having a plura

1980-04-02

1982-08-17

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Miscellaneous

307 18, 307 64, G11B 2300

Patent

active

043452868

ABSTRACT:
A tape recorder with electronic counter having a counter portion (14) furnished with power from a first battery (18) and serving to display the extent of tape drive, a tape recorder portion (20) furnished with power from a second battery (22) and switched from one operation mode over to another according to the count value in the counter portion (14) and a switch (17) for permitting the power supply to the counter portion (14) from the second battery (22) when the counter portion (14) becomes inoperative with the exhaustion of the first battery (18).

REFERENCES:
patent: 389935 (1888-09-01), McDonald
patent: 3059185 (1962-10-01), Krugman
patent: 3562441 (1971-02-01), Bretschneider
patent: 3818237 (1974-06-01), Straus
patent: 4003093 (1977-01-01), Satoh
patent: 4208686 (1980-06-01), Sato et al.

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