Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1990-02-20
1991-12-10
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record medium
In container
G11B 23107
Patent
active
050723251
ABSTRACT:
A videotape cartridge and adaptor having an internal ratchet brake mechanism to engage the cartridge tape supply reel for preventing tape spillage and having an external shape which cooperates with the adaptor to locate and protect tape interconnection mechanisms.
REFERENCES:
patent: 3836096 (1974-09-01), Fukushima et al.
patent: 3857531 (1974-12-01), Jantzen
Skavnak James E.
Turgeon Thomas A.
Weeks Jerrold K.
Minnesota Mining and Manufacturing Company
Tupper Robert S.
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