Electronic intercommunication unit

Description

FIG. 1 is a front elevational view of an electronic intercommunication unit showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a front, top and side perspective view thereof.

The door-phone box of the present design may be used as installed, for example, on a wall at a building entrance or the like in combination with a multifunctional telephone set, so that a manual pressing of the operating button will produce at the telephone set a chime sound of a visitor's calling and a conversation may be made between the door-phone box in the exterior and the telephone set in the interior of a building.

Claims

The ornamental design for an intercommunication unit, substantially as shown and described.

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Inventors:	Nakashima; Suemitsu (Kawasaki, JP)
Assignee:	Nippon Tsushin Kogyo Kabushiki Kaisha (Kanagawa, JP)
Appl. No.:	06/490,134
Filed:	April 29, 1983

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Foreign Application Priority Data

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Feb 9, 1983 [JP]			58-4676

Current U.S. Class:	D14/159
Field of Search:	;D14/52,58,59,60,68,33,70-92 ;179/179,37-40,102,1L ;381/77

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References Cited [Referenced By]

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U.S. Patent Documents

D174406	April 1955	Adler
D199677	December 1964	Mattingly
D210026	January 1968	Kahn
D211092	May 1968	Kahn
D255444	June 1980	Houlihan
D255901	July 1980	Tokiyama
D259422	June 1981	Taylor
D264716	June 1982	Nakajima
D274518	July 1984	Doodson
D275101	August 1984	Read

Other References

Talk-O-Products Brochure "Intercommunication Systems": pp. 3-5..

Primary Examiner: Burke; Wallace R.
Assistant Examiner: Fay; Horace B.
Attorney, Agent or Firm: Burns, Doane, Swecker & Mathis