Title:
UNDERWATER OBSERVATION DEVICE AND METHOD
Document Type and Number:
Japanese Patent JP2012172472
Kind Code:
A
Abstract:
To provide an underwater observation device and method capable of grasping an object even in turbid water of an open water area without using a complicated mechanism.
The present invention: attaches a transparent hollow case 5 so as to cover a front imaging window section 3a of a front camera section 2a which constitutes an underwater camera 2; brings an apical surface 6a of the hollow case 5 into contact with or close to an object G while keeping the inside of the hollow case 5 in a state of being filled with clear liquid W; and displays an image taken by the underwater camera 2 on a monitor 9.
Inventors:
FUKUMOTO SHIGERU
TAGUCHI HIROBUMI
SAEGUSA HIROYUKI
IGARASHI HIROKO
TAGUCHI HIROBUMI
SAEGUSA HIROYUKI
IGARASHI HIROKO
Application Number:
JP2011037803A
Publication Date:
September 10, 2012
Filing Date:
February 24, 2011
Export Citation:
Assignee:
TOA HARBOR WORKS CO LTD
International Classes:
E21B49/00; E21B21/08; H04N5/225
Domestic Patent References:
JPS5626738U | 1981-03-12 | |||
JP2000180930A | 2000-06-30 | |||
JPH1163985A | 1999-03-05 |
Attorney, Agent or Firm:
Shinichi Ogawa
Takashi Noguchi
Takayoshi in the daytime
Kenji Sato
Isao Hirai
Masao Sakaizawa
Kazuhiko Saishita
Takashi Noguchi
Takayoshi in the daytime
Kenji Sato
Isao Hirai
Masao Sakaizawa
Kazuhiko Saishita