Rotary printing device with identifying means and method and app

Details Rotary printing device with identifying means and method and app Rotary printing device with identifying means and method and app

1982-12-02

1984-01-31

Sewell, Paul T.

Typewriting machines

Including type-set-assemblage mounted on carrier and...

Including type-faces movable relative to type-face-carrier

400175, B41J 130

Patent

active

044286945

ABSTRACT:
A novel rotary printing device, such as a daisy-type printwheel, for use in an impact printer, having identifying means thereon. In one form, plural protrusions, extending axially outwardly from the printing device, are provided and the angle between the protrusions serves the dual function of identifying the print element characteristics and identifying the reference position of the printing device for "arming" the printer with the information. In another form, a single protrusion is provided solely for identifying the reference position. A method and apparatus for in situ identification of the novel rotary printing device also forms a part of the instant invention.

REFERENCES:
patent: 4074798 (1978-02-01), Berger
patent: 4264220 (1981-04-01), Okcuoglu
IBM Tech. Disc. Bulletin, R. D. Mathews et al., vol. 22, No. 11, Apr. 1980, pp. 4791-4792.

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