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:
Feb. 05, 1985
Filed:
Sep. 24, 1981
Frank A Pizzarello, Yorba Linda, CA (US);
Rockwell International Corporation, El Segundo, CA (US);
Abstract
Apparatus for storing and retrieving data, comprising a plurality of electrochromic cells having electrically controllable illumination transparency, a voltage source coupled to each electrochromic cell to provide control and bias signals thereto for electrically controlling the illumination transparency of selected ones of the cells in accordance with data to be stored, a light source providing flood illumination upon the plurality of electrochromic cells, and a charge transfer device comprising a plurality of charge transfer device cells for photodetecting illumination from the light source which passes through the then transparent electrochromic cells to effect the retrieval of data stored in the transparency of the plurality of electrochromic cells.