Title:
INTEGRAL-ANTENNA-TYPE ELECTRONIC CLOCK
Document Type and Number:
WIPO Patent Application WO/2013/128865
Kind Code:
A1
Abstract:
To improve space-use efficiency and reduce noise entering an antenna body, an electronic clock (100) is provided with: a cylindrical outer case (80); a cover glass (84) for blocking one of the two openings in the outer case (80); a ring-shaped antenna body (40) provided along the inner circumference of the outer case (80); a circuit substrate (25) having a shield pattern (G) formed thereon, and positioned beneath the antenna body (40) when viewed from the cover glass (84); and a GPS receiving unit (26) for amplifying and processing a signal received by the antenna body (40), and positioned on a circuit-substrate (25) surface that is opposite the antenna body (40) with the shield pattern (G) interposed as a boundary therebetween.
Inventors:
YANAGISAWA TOSHIAKI (JP)
NAGAHAMA TOSHITAKA (JP)
NAGAHAMA TOSHITAKA (JP)
Application Number:
PCT/JP2013/001032
Publication Date:
September 06, 2013
Filing Date:
February 22, 2013
Export Citation:
Assignee:
SEIKO EPSON CORP (JP)
International Classes:
G04G21/04; G04R20/00
Foreign References:
| JPH07280967A | 1995-10-27 | |||
| JPH10197662A | 1998-07-31 | |||
| JPH09307329A | 1997-11-28 | |||
| JP2004264288A | 2004-09-24 | |||
| JP2012118045A | 2012-06-21 | |||
| JPH10197662A | 1998-07-31 |
Other References:
See also references of EP 2821863A4
Attorney, Agent or Firm:
KAMIYANAGI, Masataka et al. (JP)
Masaaki Kamiyanagi (JP)
Masaaki Kamiyanagi (JP)
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Claims: