Photocopying – Contact printing – Light boxes
Patent
1990-07-02
1991-06-18
Grimley, A. T.
Photocopying
Contact printing
Light boxes
118652, 355212, 355296, G03G 1514
Patent
active
050252917
ABSTRACT:
For the enhancement of toner release from an imaging surface on a flexible belt member in an electrophotographic device, a resonator suitable for generating vibratory energy is arranged in line contact with the back side of the belt member, to uniformly apply vibratory energy to the member. The resonator includes a horn divided into a linear array of segments, and an array of vibration producing elements, each coupled to at least one horn segment, and driven with a voltage to produce a high frequency vibratory response. To avoid the problem of roll-off in response that occurs at the outer segments of the array of horn segments, the vibration producing elements coupled to the outer horn segments are driven with a higher voltage than those coupled to horn segments in the central portion of the array.
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Xerox Disclosure Journal; "Floating Diaphragm Vacuum Shoe"; vol. 2; No. 6; Nov./Dec.; 1977; pp. 117-118.
Attardi Anthony A.
Costanza Daniel W.
Nowak William J.
Beatty Robert
Costello Mark
Grimley A. T.
Zerox Corporation
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