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. 11, 2011
Filed:
Feb. 06, 2004
Masaki Hoshina, Suwa, JP;
Masaki Hoshina, Suwa, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A contact-free data communication system includes a data communications device located in a predetermined place and a contact-free identification tag. The data communications device includes a first data controller and a data global positioning system that acquires positional information of the data communications device and a transmitter that transmits an electromagnetic wave for providing power and transmits the positional information of the data communications device to the contact-free identification tag in a surrounding area of the data communications device. The contact-free identification tag includes a receiver that receives positional information transmitted by the data communications device, a power generator that generates driving power out of the electromagnetic wave for providing power that is transmitted by the data communications device, a generator that generates positional relationship information based on the positional information that is received by the receiver, a display that displays positional relationship information that is generated by the generator, a data storage medium that is nonvolatile and a data storage that stores data in the storage medium.