Title:
DEVICE AND METHOD FOR DETECTING BUBBLE IN TRANSPARENT TUBE
Document Type and Number:
WIPO Patent Application WO/2012/011438
Kind Code:
A1
Abstract:
A device and a method for detecting a bubble in a transparent tube, capable of detecting a bubble in a transparent tube in a simpler and more accurate manner.
A device (1) for detecting a bubble is provided with: a lighting device (10) for applying light (L) toward a substantially cylindrical object (50) to be tested which consists of a light transmissive material; and an image capturing device (20) which, in a view in the direction of the axis of the object (50) to be tested, captures an image of the object (50) from the direction which forms an obtuse angle relative to a portion of the optical axis of the lighting device (10), the portion being located on the upstream side of the light.
Inventors:
TAKEZAWA, Tetsuji (596, Yatsuka-cho, Soka-sh, Saitama 23, 〒3400023, JP)
竹澤 哲次 (〒23 埼玉県草加市谷塚町５９６番地 トリオ・セラミックス株式会社内 Saitama, 〒3400023, JP)
竹澤 哲次 (〒23 埼玉県草加市谷塚町５９６番地 トリオ・セラミックス株式会社内 Saitama, 〒3400023, JP)
Application Number:
JP2011/066187
Publication Date:
January 26, 2012
Filing Date:
July 15, 2011
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO., LTD. (7-1 Seiran 2-chome, Otsu-shi Shiga, 39, 〒5208639, JP)
日本電気硝子株式会社 (〒39 滋賀県大津市晴嵐二丁目７番１号 Shiga, 〒5208639, JP)
TAKEZAWA, Tetsuji (596, Yatsuka-cho, Soka-sh, Saitama 23, 〒3400023, JP)
日本電気硝子株式会社 (〒39 滋賀県大津市晴嵐二丁目７番１号 Shiga, 〒5208639, JP)
TAKEZAWA, Tetsuji (596, Yatsuka-cho, Soka-sh, Saitama 23, 〒3400023, JP)
International Classes:
G01N21/958; G01N21/896
Attorney, Agent or Firm:
SAHARA, Masashi et al. (SIGHT PATENT, 5th Floor Tanaka Bldg., 9-18, Sakuragicho 1-chome, Omiya-k, Saitama-shi Saitama 54, 〒3300854, JP)
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Claims:
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