The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 14, 2012

Filed:

May. 29, 2007
Applicants:

Masahiro Shikai, Tokyo, JP;

Akihide Shiratsuki, Tokyo, JP;

Kazuo Takashima, Tokyo, JP;

Hiroyuki Kawano, Tokyo, JP;

Takaharu Ueda, Tokyo, JP;

Toshio Masuda, Tokyo, JP;

Inventors:

Masahiro Shikai, Tokyo, JP;

Akihide Shiratsuki, Tokyo, JP;

Kazuo Takashima, Tokyo, JP;

Hiroyuki Kawano, Tokyo, JP;

Takaharu Ueda, Tokyo, JP;

Toshio Masuda, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06M 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a sliding door apparatus, a first entrance is opened and closed by a first door, and a second entrance that faces the first entrance is opened and closed by a second door. Imaging means that captures images across a space between the first entrance and the second entrance is disposed beside the space. An image processing and determining portion determines presence or absence of an obstruction inside the space based on image data from the imaging means.


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