Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1982-07-06
1984-02-28
Kittle, John E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
118689, 430 30, G03G 1309
Patent
active
044342217
ABSTRACT:
An improved toner concentration detection and control method to be applied to an electrophotographic copying apparatus or the like which is so arranged that, part of an electrostatic latent image support member outside its image region is utilized as a carrier adhering region, while the carrier adhering region is subjected to developing by a magnetic brush of a magnetic developing material, and during the above developing, magnetic carrier is caused to adhere to the carrier adhering region, with simultaneous measurement of current flowing between a developing electrode and the electrostatic latent image support member so as to control the replenishing amount of toner with respect to the magnetic developing material.
REFERENCES:
patent: 3527651 (1970-09-01), Shelffo et al.
patent: 3719165 (1973-03-01), Trachienberg et al.
patent: 3779203 (1973-12-01), Altmann
patent: 4226525 (1980-10-01), Sakamoto et al.
patent: 4342822 (1982-08-01), Hosono et al.
Goodrow John L.
Kittle John E.
Minolta Camera Kabushiki Kaisha
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