Ring light control unit

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a left front perspective view of the ring light control unit of the present invention;

FIG. 2 is a front elevation view of the ring light control unit of the present invention;

FIG. 3 is a rear elevation view of the ring light control unit of the present invention;

FIG. 4 is a top plan view of the ring light control unit of the present invention;

FIG. 5 is a bottom plan view of the ring light control unit of the present invention;

FIG. 6 is a left side elevation view of the ring light control unit of the present invention; and,

FIG. 7 is a right side elevation view of the ring light control unit of the present invention.

The portions of the drawing shown in broken lines form no part of the design sought to be patented.

Claims

The ornamental design for a ring light control unit, as shown and described.

Referenced Cited
U.S. Patent Documents
D163628 June 1951 Perkins
2691918 October 1954 Robins et al.
D196914 November 1963 Regal
D213372 February 1969 Gross
D254311 February 26, 1980 Morgan et al.
4209820 June 24, 1980 Rundel et al.
D283539 April 22, 1986 Purkapile
4839533 June 13, 1989 Aga
D315144 March 5, 1991 Dard et al.
D460095 July 9, 2002 Yoneda
D602877 October 27, 2009 Melzner et al.
D603344 November 3, 2009 Pradhan
D603345 November 3, 2009 Melzner et al.
D603350 November 3, 2009 Melzner et al.
Other references
  • Tofra, Inc., Computer-controlled RGB LED Illuminator for Upright Microscopes, located at http://www.tofrainc.net/RGB-LED-Illuminator.htm, printed Oct. 13, 2009.
Patent History
Patent number: D642540
Type: Grant
Filed: Feb 16, 2010
Date of Patent: Aug 2, 2011
Inventor: Eddy Lin (Diamond Bar, CA)
Primary Examiner: Selina Sikder
Attorney: Patzik, Frank & Samotny Ltd.
Application Number: 29/355,881
Classifications