Battery charger transformer for a portable telephone

- Motorola, Inc.
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Description

FIG. 1 is a top, front and left side perspective view of the battery charger transformer for a portable telephone showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D247619 March 28, 1978 Edgell et al.
D310203 August 28, 1990 Takahashi et al.
D339563 September 21, 1993 Usami
4389469 June 21, 1983 Nicholls
4451693 May 29, 1984 Vest
4543625 September 24, 1985 Rumble
4636703 January 13, 1987 Tohya et al.
4645995 February 24, 1987 Terrell et al.
4939623 July 3, 1990 Equi et al.
5272459 December 21, 1993 Geery
Foreign Patent Documents
462988 December 1977 JPX
724984 February 1988 JPX
Other references
  • Transformers on p. 235 of Hong Kong Enterprise, Oct. 1989. S/100 plug in transformer on p. 150 of Home Lighting & Accessories, Sep. 1989.
Patent History
Patent number: D350113
Type: Grant
Filed: Aug 26, 1993
Date of Patent: Aug 30, 1994
Assignee: Motorola, Inc. (Schaumburg, IL)
Inventor: Albert L. Nagele (Wilmette, IL)
Primary Examiner: James M. Gandy
Assistant Examiner: Joel Sincavage
Attorney: John J. King
Application Number: 0/12,243
Classifications
Current U.S. Class: Transformer, Rectifier Or Casing Therefor (3) (D13/110)