Equipment requiring external cartridge to be assembled therein

Details Equipment requiring external cartridge to be assembled therein Equipment requiring external cartridge to be assembled therein

1988-12-22

1990-07-03

Miller, Jr., George H.

Recorders

Combined with non-recording indicator or alarm

358 38, G01D 900

Patent

active

049395289

ABSTRACT:
An equipment which requires an external unit to be assembled therein for starting inherent operation. The equipment includes a detection means for detecting an identification mark such as a trade mark affixed to the external unit. The equipment is only operable upon detection of a proper identification mark. The equipment may be a printer and an image recording apparatus such as a copying machine, and the external unit may be an image recording medium cassette such as an ink ribbon cassette and a rolled photosensitive sheet cartridge.

REFERENCES:
patent: 4782365 (1988-11-01), Taragi
patent: 4829360 (1989-05-01), Yamamoto et al.
J. A. Craft, "Low Cost Cartridge Code Detector", IBM Tech. Discl., vol. 25, No. 4, 1982.

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