Title:
FOREIGN MATTER DETECTING MECHANISM, CARRIAGE MOVING MECHANISM AND METHOD FOR OPERATING CARRIAGE MOVING MECHANISM
Document Type and Number:
WIPO Patent Application WO/2002/041243
Kind Code:
A1
Abstract:
A foreign matter detecting mechanism for detecting a foreign matter other than an object to be carried in order to prevent illegal use of a card by detecting a foreign matter other than a card intruded into a card reader; and a carriage moving mechanism for use in the foreign matter detecting mechanism and an operating method thereof. The foreign matter detecting mechanism (1) comprises foreign matter detecting members (5a, 5b) having foreign matter engaging parts (6a, 6b) and advancing/retracting by moving to ward/away from a traveling passage (4), mechanism (29) for moving the foreign matter detecting members (5a, 5b) in a direction traversing the traveling passage (4), and means (8a, 8b) for detecting a foreign matter through the foreign matter detecting members (5a, 5b), wherein the foreign matter detecting members (5a, 5b) are fixed to the moving mechanism (29) such that the foreign matter (3) traverses every passable region when an object (2) is not present in the traveling passage (4), otherwise the foreign matter (3) moves while sliding on the lower surface of the object (2).
Inventors:
Hirasawa, Kenji c/o KABUSHIKI KAISHA SANKYO SEIKI SEISAKUSHO 5329 (Shimosuwa-machi Suwa-gun, Nagano, 393-8511, JP)
Application Number:
PCT/JP2001/010093
Publication Date:
May 23, 2002
Filing Date:
November 19, 2001
Export Citation:
Assignee:
KABUSHIKI KAISHA SANKYO SEIKI SEISAKUSHO (5329, Shimosuwa-machi Suwa-gun, Nagano, 393-8511, JP)
Hirasawa, Kenji c/o KABUSHIKI KAISHA SANKYO SEIKI SEISAKUSHO 5329 (Shimosuwa-machi Suwa-gun, Nagano, 393-8511, JP)
Hirasawa, Kenji c/o KABUSHIKI KAISHA SANKYO SEIKI SEISAKUSHO 5329 (Shimosuwa-machi Suwa-gun, Nagano, 393-8511, JP)
International Classes:
G06K7/00; G06K13/06; G06K13/08; (IPC1-7): G06K13/06
Attorney, Agent or Firm:
Murase, Kazumi (Nishishimbashi Tachikawa Bldg. Bekkan 12-7, Nishishimbashi 2-chome Minato-ku, Tokyo, 105-0003, JP)