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:
Jun. 07, 1983
Filed:
Oct. 28, 1980
Applicant:
Inventor:
Adam J Lewis, Richardson, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358213 ; 358163 ;
Abstract
A charge injection device array is fabricated, having one row of devices optically opaqued. Device outputs are read using a correlated double sample technique. The voltage of an entire column of devices with a selected row addressed is measured. The same column of devices is again measured with signal of no row addressed. Therefore, the difference is the charge on the device in the row addressed. The output of each device in a column is referenced to the output of the device in the opaqued row of the column, or a set level, if no row is addressed.