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:
Oct. 10, 1995
Filed:
Mar. 31, 1993
Sanjar Ghaem, Palatine, IL (US);
George L Lauro, Lake Zurich, IL (US);
Rudyard L Istvan, Winnetka, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
An RF tag (10) includes an RF receiver (16) and an RF transmitter (18). A power source (12) provides power to the receiver and transmitter. The power source includes a plurality of energy converters (22, 24, 26, 28, 30, and 32). Each energy converter is responsive to a predetermined form of incident energy for converting its respective predetermined form of incident energy to electrical current. At least two of the energy converters are responsive to respective different predetermined forms of incident energy for providing electrical current. A storage capacitor (54) stores the electrical current provided by the energy converters and is coupled to the RF receiver and RF transmitter. A plurality of RF tags (10, 110, 140, 160) utilizing the power source 12 are also described.