Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1984-08-27
1986-09-09
Prescott, A. C.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
355 3DD, 118657, 430 35, 430122, G03G 1508
Patent
active
046105310
ABSTRACT:
A method of development including the steps of forming a thin layer of developer on a surface of a developer carrying member; opposing the surface of the developer carrying member to a latent image bearing member bearing a latent image to be developed with a clearance therebetween which is larger than the thickness of the thin developer layer at a developing position; and intermittently forming an alternating electric field, as a developing bias, across the clearance.
REFERENCES:
patent: 4383497 (1983-05-01), Tajima
patent: 4478505 (1984-10-01), Tashiro
patent: 4482243 (1984-11-01), Suzuki et al.
patent: 4496644 (1985-01-01), Ateya et al.
patent: 4511240 (1985-04-01), Suzuki et al.
Hayashi Nobuhiro
Nakahata Kimio
Nakamura Shunji
Tajima Hatsuo
Canon Kabushiki Kaisha
Prescott A. C.
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