The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 1980
Filed:
Dec. 29, 1978
Applicant:
Inventor:
Kiyoshi Hasegawa, Tokyo, JP;
Assignee:
Kabushiki Kaisha Kantool, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358100 ;
Abstract
An inspection apparatus for underground channels such as sewer pipes and conduits for communication or electric cables and many other conduits for various utilities. The apparatus has a television camera which is adjustable in its position in accordance with the size of an underground channel, and a reversible motor which rotates V belts to advance and retract the apparatus in the underground channels. The television camera and the movement of the apparatus is controlled at a remote place.