Document Type and Number:
Japanese Patent JPH01100137
Kind Code:
U
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.
Application Number:
JP19515787U
Publication Date:
July 05, 1989
Filing Date:
December 23, 1987
Export Citation:
International Classes:
G03B27/58; G01D11/00; G03B27/32; G03C3/00; (IPC1-7): G03B27/58; G03B27/32; G03C3/00