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:
Aug. 03, 1976
Filed:
Oct. 31, 1974
Kazuo Shibata, Tokyo, JA;
Yoshio Fukuda, Kyoto, JA;
Michinosuke Takada, Kyoto, JA;
Katsuo Nakanomyo, Kyoto, JA;
Shimadzu Seisakusho Ltd., Kyoto, JA;
Abstract
A spectrophotometer which comprises a monochromator, a pair of cells to which the light from the monochromator is projected, means for converting the light from the cells into corresponding electrical signals, means for comparing the electrical signals to produce an output, means for magnetically recording the output from the comparing means, means connected to the output of the comparing means to perform predetermined arithmetic operations thereon, and means for recording the output from the last-mentioned means, whereby various types of spectra of substances such as derivative spectra, difference spectra and the derivatives thereof can easily be obtained.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile