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 7123811 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 17, 2006

Filed:

Sep. 01, 2005
Applicants:

Jyh-long Chen, Hsin-Chu, TW;

Sen-nien Chung, Taipei, TW;

Yi-kai Cheng, Tainan Hsien, TW;

Ming-der Chou, Taipei, TW;

Inventors:

Jyh-Long Chen, Hsin-Chu, TW;

Sen-Nien Chung, Taipei, TW;

Yi-Kai Cheng, Tainan Hsien, TW;

Ming-Der Chou, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

A circular display includes a columnar waveguide plate and an image projection device. The upper width of the cross-section of the columnar waveguide plate is less than the bottom width of the cross-section of the columnar waveguide plate. The outer surface of the columnar waveguide plate is utilized for displaying an image, and the image projection device is used for projecting the image to the bottom of the columnar waveguide plate.


Find Patent Forward Citations

Chen, Jyh-Long. (2006). Circular display device with a projective light source (U.S. Patent No. 7123811). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7123811

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

Loading…