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.

Date of Patent:
Apr. 16, 2002

Filed:

Aug. 18, 1999
Applicant:
Inventors:

Hiroto Hayashi, Okegawa, JP;

Shouji Togashi, Okegawa, JP;

Keiichi Takano, Okegawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 9/00 ; G01D 1/516 ;
U.S. Cl.
CPC ...
G01D 9/00 ; G01D 1/516 ;
Abstract

A chart recorder apparatus wherein information is indicated by using light emitting devices which are disposed to access the rear surface of a chart on which measured signals of a chart recorder are recorded on a front surface thereof. Various types of information are projected and indicated without otherwise compromising features of a chart recorder and thereby enhancing functionality of a compact chart recorder having a small display area.


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