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. 11, 1994
Filed:
Jun. 24, 1992
Fumitaka Kan, Tokyo, JP;
Kenji Nakamura, Hadano, JP;
Masanori Takenouchi, Atsugi, JP;
Naoji Hayakawa, Yokohama, JP;
Isamu Shimoda, Zama, JP;
Masahiko Okunuki, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a method and apparatus for transferring information in a form of electron beam, an electron beam detector detects the electron beam, and emission of the electron beam from a predetermined electron beam source is controlled in accordance with a signal from the detector upon detection of the electron beam. In the method and apparatus, a deflection electrode is also used to deflect the electron beams according to an electric or magnetic field to perform charge shifting, logical additions, Logical multiplications, image formation, and the like.