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:
Apr. 04, 1989
Filed:
Jan. 07, 1986
Applicant:
Inventors:
Ronald W Mongeon, San Jose, CA (US);
David P Sidlauskas, San Jose, CA (US);
Theodore D Geiszler, Los Gatos, CA (US);
Assignee:
Indala Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235440 ; 235449 ; 235451 ; 235492 ; 34082572 ; 34082554 ;
Abstract
A remotely powered portable member having circuitry for storing and transmitting coded information. A first coupling device is provided for receiving a signal transmitted via one of a magnetic field and an electric field. A power circuit is connected to the first coupling device for deriving operating power from the received signal for use by the circuitry. A second coupling device is connected to the circuitry for transmitting coded information stored by the circuitry via the other one of the magnetic field and electric field.