Data converter for digital communication with a telephone

- Kabushiki Kaisha Toshiba
Description

FIG. 1 is a top and left side perspective view of a data converter for digital communication with a telephone showing my new design, with a handset shown inverted;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D218978 October 1970 Abraham
D228190 August 1973 Link
D243254 February 1, 1977 Coon
D253820 January 1, 1980 Coppola et al.
D262875 February 2, 1982 Franchi et al.
D264467 May 18, 1982 Fischer
D284193 June 10, 1986 Marshall
D286286 October 21, 1986 Skigen et al.
D293674 January 12, 1988 Scheid
D306591 March 13, 1990 Weisz et al.
4829559 May 9, 1989 Izawa et al.
Foreign Patent Documents
5963751 March 1983 JPX
Other references
  • NEC Catalog of ISDN Terminal Adapter Aterm100.
Patent History
Patent number: D311396
Type: Grant
Filed: Jul 11, 1989
Date of Patent: Oct 16, 1990
Assignee: Kabushiki Kaisha Toshiba (Kawasaki)
Inventor: Takashi Kajita (Tokyo)
Primary Examiner: Horace B. Fay, Jr.
Law Firm: Oblon, Spivak, McClelland, Maier & Neustadt
Application Number: 7/378,310