Title:
INSIDE SURFACE SCANNER APPARATUS
Document Type and Number:
Japanese Patent JP3454547
Kind Code:
B2
Abstract:
PURPOSE: To provide an inside surface scanner apparatus in which a resolution and a visual field can be set to be large when the inside of a cylindrical body is observed.
CONSTITUTION: The apparatus is provided with a bundle body 2 wherein one- ends of a plurality of optical fibers are arranged in a ring shape to form a ring-guide terminal part 2a and ends on the other side are connected to a display part, with a conical mirror 16 by which an image on the inside surface of a cylindrical body 10 such as various kinds of pipes or the like is made incident on the ring-guide terminal part 2a, with a conical and trapezoidal mirror 17 which is arranged and installed at the bottom part of the conical mirror 16 and with a fiber 12, for illumination, which reflects light to the conical and trapezoidal mirror 17 and which casts light on the inside surface of the cylindrical body 10.
Inventors:
Takashi Tsumanuma
Kazuhiro Shigihara
Keiji Kaneda
Naoki Shamoto
Kazuhiro Shigihara
Keiji Kaneda
Naoki Shamoto
Application Number:
JP22930393A
Publication Date:
October 06, 2003
Filing Date:
September 14, 1993
Export Citation:
Assignee:
Fujikura Ltd.
International Classes:
G01B11/30; (IPC1-7): G01B11/30
Domestic Patent References:
| JP60177314A | ||||
| JP6113110A | ||||
| JP519951U | ||||
| JP61182806U |
Attorney, Agent or Firm:
Masatake Shiga (3 outside)