DOOR OPENING AND CLOSING DEVICE

Title:

DOOR OPENING AND CLOSING DEVICE

Document Type and Number:

WIPO Patent Application WO/2005/038172

Kind Code:

A1

Abstract:

A door opening and closing device includes a door handle. The opening and closing device includes a magnetic core formed of a soft magnetic body and includes a flexible antenna received in the door handle and working as a transmission and reception device for communicating with a portable device. The opening and closing device includes a handle body, in the back face side of which a cover reception section is formed. The opening and closing device has a cover handle integrally having the antenna and is formed of a flexible resin. The cover handle is fitted and held in the cover reception section. A detection device detects any of approach to, contact with, and operation of a door by an operator carrying the portable device, the transmission and reception device and the portable device communicate with each other to lock or unlock the door.

Inventors:

MIZUSHIMA KENJI (JP)
MINEMURA RYUJI (JP)

Application Number:

PCT/JP2004/015416

Publication Date:

April 28, 2005

Filing Date:

October 19, 2004

Export Citation:

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Assignee:

ALPHA CORP (JP)
MIZUSHIMA KENJI (JP)
MINEMURA RYUJI (JP)

International Classes:

E05B1/00; B60J5/04; B60R25/01; B60R25/10; B60R25/24; E05B49/00; E05B81/78; E05B85/16; G07C9/00; (IPC1-7): E05B1/00; B60R25/00; E05B49/00

Foreign References:

JP2003221946A	2003-08-08
JP2002298116A	2002-10-11
JP2003505626A	2003-02-12
JP2002322834A	2002-11-08
JP2004346703A	2004-12-09

Other References: