The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 1999
Filed:
Jun. 27, 1996
Applicant:
Inventors:
Edward J Sullivan, Fairport, NY (US);
John P Marcelletti, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 16 ; 363131 ;
Abstract
A power supply adapted for use with a corona charger. The power supply includes a first DC power source providing an electrical potential above a predetermined reference potential, and a second DC power source providing an electrical potential below such predetermined reference potential. A main circuit having an output adapted to be connected to a corona charger, includes a switching circuit for selectively turning the first and second DC power sources on and off in a manner so as to provide a an electrical potential having an AC waveform output for the main circuit.