Title:
【発明の名称】孔壁展開画像の作製装置と作製方法
Document Type and Number:
Japanese Patent JP2724833
Kind Code:
B2
Abstract:
PURPOSE:To produce the continuous developing image of all pit wall by a method in which all circumference of pit wall is photographed by a rotary mirror, set on a sonde vertically moving in a bored pit, and a television camera and sent to a developer on the land. CONSTITUTION:A depth sensor 5 is attached to a sonde 2 vertically moving in a state of being hung down from an elevator in a bored pit to send out electric signals at a fixed interval. A transparent window 18 in the direction of all circumference is provided to the sonde 2, a rotary mirror 14 covering a fixed range is provided in the axial direction, and a television camera 16 to be operated by driver 17 is set above the mirror 14. All the circumference of the pit wall 1 is photographed by the mirror 14 and the camera 16. On the land, a sonde controller 7, a television image receiver 6, a photographed image memory 11, a developed image memory 10, and a photographed image developer 12 are set. The developed image of all circumference is produced synchronously with signals from the depth sensor 5.
Inventors:
KIWADA SHUNICHI
Application Number:
JP3558188A
Publication Date:
March 09, 1998
Filing Date:
February 18, 1988
Export Citation:
Assignee:
REATSUKUSU KK
International Classes:
E02D1/00; E21B47/002; G01V8/10; H04N5/225; H04N7/18; (IPC1-7): G01V8/10; E02D1/00; E21B47/00; E21B47/01; H04N5/225; H04N7/18
Domestic Patent References:
| JP4890731A | ||||
| JP62198272A | ||||
| JP1121492A | ||||
| JP194192A | ||||
| JP6374610U | ||||
| JP3927071B1 |
Attorney, Agent or Firm:
Kiyoshi Minoura