DC to DC converter

- Ro Associates
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Description

FIG. 1 is a front and lower right perspective view of a DC to DC converter showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof, the right side elevational view thereof being a mirror image; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D287006 December 2, 1986 Fletcher et al.
D297928 October 4, 1988 Harpley et al.
3717835 February 1973 Roadstrum
4758808 July 19, 1988 Sasaki et al.
4918417 April 17, 1990 Sakamoto
4949057 August 14, 1990 Ishizaka et al.
5075821 December 24, 1991 McDonnal
Patent History
Patent number: D334171
Type: Grant
Filed: Dec 31, 1991
Date of Patent: Mar 23, 1993
Assignee: Ro Associates (Sunnyvale, CA)
Inventor: John E. McDonnal (San Jose, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Law Firm: Rosenblum, Parish & Isaacs
Application Number: 7/815,373
Classifications
Current U.S. Class: Transformer, Rectifier Or Casing Therefor (3) (D13/110)