Title:
Inside form measuring apparatus
Document Type and Number:
Japanese Patent JP6270318
Kind Code:
B2
Abstract:
An inner surface shape measuring apparatus that measures an inner surface shape of a tested object by using a light-section method includes: a projection section which includes an outer peripheral section having a tubular shape and having a slit that light is capable of penetrating and that is provided in a circumferential direction, and a light source unit having a light-emitting element and arranged in the outer peripheral section, the projection section projecting a luminous flux that has a predetermined thickness from the slit onto the tested object; and an imaging section which images the inner surface of the tested object with the luminous flux projected thereon.
Inventors:
Yokota Masayoshi
Application Number:
JP2013016611A
Publication Date:
January 31, 2018
Filing Date:
January 31, 2013
Export Citation:
Assignee:
Olympus Endo Technology America Inc.
International Classes:
G01B11/24; A61B1/00; G01C7/06; G02B23/24
Domestic Patent References:
| JP62067212U | ||||
| JP5175310A | ||||
| JP2005319315A | ||||
| JP2008221896A | ||||
| JP5107037A | ||||
| JP5149884A | ||||
| JP9089788A | ||||
| JP6094452A | ||||
| JP63058130A | ||||
| JP2862715B2 |
Foreign References:
| US20100060904 | ||||
| US20080105067 | ||||
| US5895927 |
Attorney, Agent or Firm:
Sumio Tanai
Masatake Shiga
Suzuki Mitsuyoshi
Tadao Takashiba
Hiroshi Masui
Shiro Suzuki
Hiroyuki Hashimoto
Masatake Shiga
Suzuki Mitsuyoshi
Tadao Takashiba
Hiroshi Masui
Shiro Suzuki
Hiroyuki Hashimoto
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