| |
|
Inventor: Chevrette; Guy
Address: Saint-Laurent, CA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5134471 |
System for monitoring the walls of a borehole using a video camera |
July 28, 1992 |
| A borehole camera monitoring system comprises a camera head assembly adapted to be lowered into a borehole by means of a cable and control unit located above ground for generating a control signal for the operation of the camera. The camera head assembly comprises a fixed portion and a |
|
|
|