US 10,890,879 B2
Electronic watch and communication control system
Yusuke Hirota, Nishitokyo (JP); Masayuki Araki, Nishitokyo (JP); Akiyoshi Kondoh, Tokyo (JP); and Masato Kanazawa, Tokyo (JP)
Assigned to CITIZEN WATCH CO., LTD., Tokyo (JP)
Appl. No. 16/82,536
Filed by CITIZEN WATCH CO., LTD., Tokyo (JP)
PCT Filed Mar. 15, 2017, PCT No. PCT/JP2017/010547
§ 371(c)(1), (2) Date Sep. 6, 2018,
PCT Pub. No. WO2017/159761, PCT Pub. Date Sep. 21, 2017.
Claims priority of application No. 2016-051590 (JP), filed on Mar. 15, 2016.
Prior Publication US 2019/0079463 A1, Mar. 14, 2019
Int. Cl. G04G 19/06 (2006.01); G04C 10/04 (2006.01); G04G 19/12 (2006.01); G04G 21/04 (2013.01); G04G 19/00 (2006.01); G04G 21/00 (2010.01); G06F 1/3287 (2019.01)
CPC G04G 19/06 (2013.01) [G04C 10/04 (2013.01); G04G 19/00 (2013.01); G04G 19/12 (2013.01); G04G 21/00 (2013.01); G04G 21/04 (2013.01); G06F 1/3287 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An electronic clock, comprising:
a power generator;
a secondary battery, which is configured to be charged with electric power generated by the power generator;
a balance information transmitter configured to transmit, to a computer, balance information relating to a transition of a power generation amount or a charging balance of the secondary battery;
a connection time period setting module configured to set a connection time period of a connection with the computer based on the balance information; and
a communication controller configured to control a start and an end of communication to/from the computer based on the connection time period.