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, 1995
Filed:
Apr. 25, 1994
Applicant:
Inventor:
Philippe B Bauser, Ornex, FR;
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ; G06K / ;
U.S. Cl.
CPC ...
235454 ; 235472 ; 235380 ;
Abstract
A signal coupler for incorporating in a smartcard or a base device comprises an optocoupling arrangement for exchanging power or data signals between the demountable device and the base device, thereby eliminating problems associated with wear of metal contacts and allowing convenient manufacture.