CA2041873C - Systeme de surveillance de sondage par camera - Google Patents

Systeme de surveillance de sondage par camera

Info

Publication number
CA2041873C
CA2041873C CA 2041873 CA2041873A CA2041873C CA 2041873 C CA2041873 C CA 2041873C CA 2041873 CA2041873 CA 2041873 CA 2041873 A CA2041873 A CA 2041873A CA 2041873 C CA2041873 C CA 2041873C
Authority
CA
Canada
Prior art keywords
camera
cable
signal
computer
borehole
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.)
Expired - Fee Related
Application number
CA 2041873
Other languages
English (en)
Other versions
CA2041873A1 (fr
Inventor
Alain Gendron
Guy Chevrette
Pierre Senecal
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.)
Noranda Inc
Original Assignee
Noranda Inc
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 Noranda Inc filed Critical Noranda Inc
Priority to CA 2041873 priority Critical patent/CA2041873C/fr
Publication of CA2041873A1 publication Critical patent/CA2041873A1/fr
Application granted granted Critical
Publication of CA2041873C publication Critical patent/CA2041873C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Closed-Circuit Television Systems (AREA)
CA 2041873 1991-05-06 1991-05-06 Systeme de surveillance de sondage par camera Expired - Fee Related CA2041873C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2041873 CA2041873C (fr) 1991-05-06 1991-05-06 Systeme de surveillance de sondage par camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2041873 CA2041873C (fr) 1991-05-06 1991-05-06 Systeme de surveillance de sondage par camera

Publications (2)

Publication Number Publication Date
CA2041873A1 CA2041873A1 (fr) 1992-11-07
CA2041873C true CA2041873C (fr) 1998-02-03

Family

ID=4147548

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2041873 Expired - Fee Related CA2041873C (fr) 1991-05-06 1991-05-06 Systeme de surveillance de sondage par camera

Country Status (1)

Country Link
CA (1) CA2041873C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2061058C (fr) * 1992-02-14 1994-12-13 Alain Gendron Dispositif d'orientation par gravite
CN111502633B (zh) * 2020-03-20 2024-03-15 山东大学 一种适用于上倾钻孔孔内摄像装置及方法

Also Published As

Publication number Publication date
CA2041873A1 (fr) 1992-11-07

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Legal Events

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