Title:
COMMUNICATION SYSTEM, ELECTRONIC DEVICE, COMMUNICATION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2015/136781
Kind Code:
A1
Abstract:
Even if a delay has occurred in a process of transmission of data in a one-way communication, a proposed electronic device can achieve a correct-data transmission by retransmitting the data without complicating the communication process. By use of a light source (103) for transmitting a light signal, the electronic device (10) transmits data as the light signal to an electronic clock (20), and then determines whether any delay has occurred in the data transmission. If the electronic device (10) determines that such a delay has occurred, the electronic device (10) retransmits the data by use of the light source (103). If a solar battery (201) has received the data from the electronic device (10) multiple times, the electronic clock (20) regards the normally received data as being valid.
Inventors:
KOYAMA KAZUHIRO (JP)
OGASAWARA KENJI (JP)
TAKAKURA AKIRA (JP)
OGASAWARA KENJI (JP)
TAKAKURA AKIRA (JP)
Application Number:
PCT/JP2014/080407
Publication Date:
September 17, 2015
Filing Date:
November 18, 2014
Export Citation:
Assignee:
SEIKO INSTR INC (JP)
International Classes:
H04L29/08; G04G7/00; H04L7/00
Foreign References:
| JP2009118403A | 2009-05-28 | |||
| JPS6363238A | 1988-03-19 | |||
| JPH1028119A | 1998-01-27 | |||
| JP2013113618A | 2013-06-10 | |||
| JP2007101457A | 2007-04-19 | |||
| JP2015004649A | 2015-01-08 | |||
| US4368987A | 1983-01-18 |
Attorney, Agent or Firm:
UCHINO, Noriaki et al. (JP)
Noriaki Uchino (JP)
Noriaki Uchino (JP)
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