Title:
可動接点体とこれを用いたスイッチ
Document Type and Number:
Japanese Patent JP5104941
Kind Code:
B2
Abstract:
A movable contact unit includes a light-guide sheet, a cover sheet, a movable contact, and a light-transmissive light-guide portion. The light-guide sheet includes a film-shaped substrate, and a convex and concave luminescent portion provided on the substrate. The cover sheet faces the substrate. A dome-shaped resilient movable contact made of a thin metal sheet is attached to the cover sheet at a position corresponding to the luminescent portion. The light-guide portion is provided on the cover sheet at a position other than an area where the movable contact is disposed or on the light-guide sheet at a position other than an area where the light-guide portion is disposed. If the light-guide portion is provided on the light-guide sheet, the movable contact may be attached to the light-guide sheet without using the cover sheet.
Inventors:
Naoki Tachihata
Yousuke Chiku
Tsutomu Aisaka
Koji Tanabe
Yousuke Chiku
Tsutomu Aisaka
Koji Tanabe
Application Number:
JP2010500550A
Publication Date:
December 19, 2012
Filing Date:
February 20, 2009
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H01H13/02; H01H13/702
Domestic Patent References:
| JP2007012605A | 2007-01-18 | |||
| JP2004247103A | 2004-09-02 | |||
| JP2007134082A | 2007-05-31 | |||
| JP2007122970A | 2007-05-17 |
Foreign References:
| WO2008072577A1 | 2008-06-19 |
Attorney, Agent or Firm:
Hiroki Naito
Daisuke Nagano
Kentaro Fujii
Daisuke Nagano
Kentaro Fujii