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.:

US 7241013 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 10, 2007

Filed:

Apr. 26, 2004
Applicant:

Noritsugu Nozawa, Toyokawa, JP;

Inventor:

Noritsugu Nozawa, Toyokawa, JP;

Assignee:

Nidek Co., Ltd., Aichi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optometric apparatus comprises: a pair of right and left lens chamber units, each unit including a test window and optical elements to be selectively disposed in the test window; and a controller including a transmitting part which transmits a control signal in the form of an optical signal to the lens chamber units to selectively dispose the optical elements in the test window, the transmitting part being adapted to widen an extent of diffusion of luminous flux of the optical signal more greatly in a forward to upward directions than in a lateral direction.


Find Patent Forward Citations

Nozawa, Noritsugu. (2007). Optometric apparatus (U.S. Patent No. 7241013). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7241013

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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