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:
Jul. 18, 1989
Filed:
Dec. 16, 1987
Applicant:
Inventor:
Augustin Farrugia, La Ciotat, FR;
Assignee:
SGS Thomson Microelectronics S.A., Gentilly, FR;
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
365228 ; 36518904 ; 36523001 ;
Abstract
A protection device which detects an erasable and programmable ROM is disclosed. The device includes a memory cell and a means for writing and reading the cell as used to program the cell to a given state. The programming of the cell prevents any reprogramming of the memory unless a previous erasure of the cell has occurred.
Farrugia, Augustin. (1989). Protection device for an erasable and reprogrammable read only memory (U.S. Patent No. 4849942). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4849942
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile