초록 ▼

An arrangement for assuring ink ribbon and correction tape compatibility in a device which utilizes a first cassette having an ink ribbon therein and a second cassette having a correction tape therein in the operation thereof, the arrangement including engaging formations located on the first and se

An arrangement for assuring ink ribbon and correction tape compatibility in a device which utilizes a first cassette having an ink ribbon therein and a second cassette having a correction tape therein in the operation thereof, the arrangement including engaging formations located on the first and second cassettes which ensure that the ink ribbon and correction tape are functionally compatible with each other when the respective cassettes are inserted in the device such as, for example, functional compatibility between a single-strike ink ribbon and a lift-off correction tape, or functional compatibility between a multiple-strike ink ribbon and a cover-up correction tape.

대표청구항 ▼

A system utilizing a cassette assembly including selectively combined first and second cassettes, said system comprising in combination: a device in which a first and second cassette of a selected structurally and functionally compatible assembly are inserted for operation of the device; a first cas

A system utilizing a cassette assembly including selectively combined first and second cassettes, said system comprising in combination: a device in which a first and second cassette of a selected structurally and functionally compatible assembly are inserted for operation of the device; a first cassette for use in said device, said first cassette having an ink ribbon; a second cassette for use in said device, said second cassette having a correction tape; said ribbon in said first cassette and said correction tape in said second cassette of different assemblies being functionally incompatible with each other; means on said first and second cassettes for assuring that the ink ribbon in said first cassette and the correction tape in said second cassette are functionally compatible with each other and for rendering the device operational only when said compatibility is assured; and said means being disposed in assembly-specific locations on said first and second cassettes, said location corresponding to the type of ribbon in said first cassette and the type of correction tape in said second cassette for preventing cassettes having incompatible ink ribbon and correction tape combinations from being properly placed in said device.