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. 10, 1987
Filed:
Mar. 03, 1986
Applicant:
Inventors:
Toshio Kimura, Tokyo, JP;
Shuichi Nakagawa, Tokyo, JP;
Teruhiko Tokumo, Tokyo, JP;
Hiroyuki Yamamoto, Tokyo, JP;
Hiroshi Kotan, Tokyo, JP;
Hiroshi Otsu, Tokyo, JP;
Tetsuya Satoh, Tokyo, JP;
Assignee:
Yokogawa Hokushin Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ; G01D / ;
U.S. Cl.
CPC ...
346 32 ; 310268 ; 318663 ; 340754 ; 346 17 ; 346 50 ; 3461 / ; 346145 ;
Abstract
An automatically balancing type pen recorder, which is compact in size and is highly reliable in operation, comprises an integral servo unit formed of a single printed circuit board which incorporates therein a pen carriage and an automatic balancing mechanism adapted to move a recording chart in a direction perpendicular to the direction of feed of the chart, in response to the magnitude of a measuring signal.