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:
May. 29, 1990
Filed:
Sep. 21, 1988
Applicant:
Inventors:
Toshio Kimura, Tokyo, JP;
Yoshihiro Okano, Tokyo, JP;
Masahiro Otani, Tokyo, JP;
Shigenobu Miyamoto, Tokyo, JP;
Assignee:
Yokogawa Electric Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
364520 ; 3461 / ; 3461 / ;
Abstract
A pen recorder for recording a magnitude of a measured signal with a pen which is moved in accordance with a digital servo controller. High performance and function are attained by using ASIC with simple interactive operation. A novel pen mechanism is used for recording. High quality is achieved at low cost by selecting a pen of adequate pen pressure in accordance with recording velocity.