AU2791597A - Hole wall surface observing apparatus - Google Patents

Hole wall surface observing apparatus

Info

Publication number
AU2791597A
AU2791597A AU27915/97A AU2791597A AU2791597A AU 2791597 A AU2791597 A AU 2791597A AU 27915/97 A AU27915/97 A AU 27915/97A AU 2791597 A AU2791597 A AU 2791597A AU 2791597 A AU2791597 A AU 2791597A
Authority
AU
Australia
Prior art keywords
wall surface
hole wall
observing apparatus
surface observing
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU27915/97A
Other versions
AU715836B2 (en
Inventor
Yoshitaka Matsumoto
Osamu Murakami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Core Corp
Original Assignee
Core Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Core Corp filed Critical Core Corp
Publication of AU2791597A publication Critical patent/AU2791597A/en
Application granted granted Critical
Publication of AU715836B2 publication Critical patent/AU715836B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)
AU27915/97A 1996-05-23 1997-05-22 Hole wall surface observing apparatus Ceased AU715836B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP15165096A JPH09312835A (en) 1996-05-23 1996-05-23 Hole wall face observation device
JP8-151650 1996-05-23
PCT/JP1997/001719 WO1997044958A1 (en) 1996-05-23 1997-05-22 Bored wall surface observation apparatus

Publications (2)

Publication Number Publication Date
AU2791597A true AU2791597A (en) 1997-12-09
AU715836B2 AU715836B2 (en) 2000-02-10

Family

ID=15523214

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27915/97A Ceased AU715836B2 (en) 1996-05-23 1997-05-22 Hole wall surface observing apparatus

Country Status (4)

Country Link
JP (1) JPH09312835A (en)
AU (1) AU715836B2 (en)
CA (1) CA2255820A1 (en)
WO (1) WO1997044958A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3728535B2 (en) * 2003-07-17 2005-12-21 関西電力株式会社 In-pipe defect dimension measurement system and method
JP5264623B2 (en) * 2009-06-05 2013-08-14 日鐵住金建材株式会社 Measuring device fixing device for surveying inner wall of shaft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62198272A (en) * 1986-02-26 1987-09-01 Central Res Inst Of Electric Power Ind Borehole television camera equipment
JPH04368594A (en) * 1991-06-17 1992-12-21 Nichiboo:Kk Camera device for borehole inside wall
JPH06292204A (en) * 1993-04-05 1994-10-18 Electric Power Dev Co Ltd Shade processing system for bore hole television camera equipment

Also Published As

Publication number Publication date
JPH09312835A (en) 1997-12-02
AU715836B2 (en) 2000-02-10
CA2255820A1 (en) 1997-11-27
WO1997044958A1 (en) 1997-11-27

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired