Title:
バルブ一体型トランスポンダ
Document Type and Number:
Japanese Patent JP5019957
Kind Code:
B2
Abstract:
A valve-integrated transponder (1) includes an air valve (20) and a casing (10) that are integrated with each other, and is disposed within a tire (30). The air valve is press-fitted to a valve hole (41) in a wheel rim (40). The casing houses a substrate (4) having a detecting element mounted thereon, an inverse F antenna element (7), a supporting member (6), and the like, and is provided with a partition-like reinforcement rib (11b). The reinforcement rib extends along an extension of an axis of the air valve and is loosely fitted in a recessed slot (6b) of the supporting member. The antenna element supported by the supporting member has a substantially line symmetrical shape where a pair of radiation conductors (7c) symmetrically extend away from each other.
Inventors:
Ryo Shigehara
Taka Sano
Michiya Kato
Taka Sano
Michiya Kato
Application Number:
JP2007151633A
Publication Date:
September 05, 2012
Filing Date:
June 07, 2007
Export Citation:
Assignee:
ALPS ELECTRIC CO.,LTD.
Pacific Industry Co., Ltd.
Pacific Industry Co., Ltd.
International Classes:
B60C23/04; B60C23/02; B60C23/20; B60C29/02; G01L17/00
Domestic Patent References:
| JP2002264621A | ||||
| JP4199904A | ||||
| JP2001292016A | ||||
| JP200539754A | ||||
| JP200811385A |
Attorney, Agent or Firm:
Patent Business Corporation Takewa International Patent Office