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:
Jan. 24, 1989
Filed:
Aug. 22, 1986
Applicant:
Inventor:
Mir A Imran, Palo Alto, CA (US);
Assignee:
DataTrak, Inc., Mountain View, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235382 ; 235492 ;
Abstract
Electronic access card comprising a printed circuit board. A microprocessor is carried by the printed circuit board. A keyboard is carried by the printed circuit board and is connected to the microprocessor for inserting information into the microprocessor. A coil is carried by the printed circuit board and is coupled to the microprocessor for receiving information to be conveyed to the microprocessor and for transmitting information from the microprocessor. Visual display means is coupled to the microprocessor for visually displaying information which is carried in the microprocessor.