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. 02, 2013
Filed:
Jul. 07, 2010
Shunsuke Koyama, Nagano, JP;
Shunsuke Koyama, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A communication device includes: an ultrasonic oscillating unit which detects or generates an ultrasonic wave; a communication unit which transmits and receives information using the ultrasonic wave; a storage unit which stores a table to which a communication command to designate communication with the another communication device is allocated in time series, the table being shared by the another communication device; and a control unit which shifts the communication unit to one of a transmitting state, a receiving state, and a standby state that is neither the transmitting nor the receiving state, synchronously with the another communication device on the basis of the communication command in the table.