Method and device for recognizing an object on a surface

Details Method and device for recognizing an object on a surface Method and device for recognizing an object on a surface

2005-11-29

2005-11-29

Nolan, Jr., Charles H. (Department: 2854)

Typewriting machines

Means auxiliary to typewriting function

Indicator means

C101S485000, C271S263000

Reexamination Certificate

active

06969207

ABSTRACT:
Recognizing a print substrate in the vicinity of a sensor within a printing machine, whereby a change in the capacitance of the system formed by the sensor and a surface of an area in which a print substrate should be recognized, is recognized by the sensor. In this way, print substrates can already be identified on the basis of a dielectric constant that is different from that of air.

REFERENCES:
patent: 5531434 (1996-07-01), Kerschner
patent: G 82 15 605.0 (1982-05-01), None
patent: 0 916 602 (1999-05-01), None
IBM Technical Disclosure Bulletin, NN77091623, vol. 20, Issue 4, pp. 1623-1625, Sep. 1977.

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