IP Library Granted Patent US 8,027,463
Granted Patent B2
US 8,027,463 · App. 12/391,903 · Granted Sep 27, 2011

Fixed telephone set capable of preventing howling and temperature rise of a handset

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Quick Facts
Patent No.
US 8,027,463
App. No.
12/391,903
Granted
Sep 27, 2011
Kind
B2
Abstract

The cradle and the telephone body are configured to be separable from and couplable to each other. The cradle and the telephone body are coupled to each other with a space interposed therebetween.

Claims (9)

1. A fixed telephone set comprising a telephone body and a cradle, wherein said cradle and said telephone body are configured to be separable from and couplable to each other;

wherein a recessed portion defining a space is provided on a side surface of said cradle, said side surface facing a side surface of said telephone body; and

wherein when coupling, said cradle and said telephone body are coupled to each other with said space interposed therebetween.

2. The fixed telephone set according to claim 1 , wherein a rib for coupling to said telephone body is provided on a side surface of said cradle.

3. The fixed telephone set according to claim 2 , wherein a projection for receiving said rib is provided on a side surface of said telephone body.

4. The fixed telephone set according to claim 1 , wherein said cradle is any one of cradles having mutually different functions.

5. The fixed telephone set according to claim 1 , wherein said cradle and said telephone body are acoustically and thermally isolated from each other by said recessed portion defining said space.

6. The fixed telephone set according to claim 1 , wherein said telephone body comprises a display portion and said display portion is replaceable.

7. The fixed telephone set according to claim 6 , wherein said telephone body further comprises a key portion and said key portion is replaceable.

Assignments (2)
CHANGE OF NAME Recorded Feb 3, 2015
From: NEC INFRONTIA CORPORATION
To: NEC PLATFORMS, LTD.
Reel/Frame 034881/0078 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 24, 2009
From: TOH, TADAMINE; KUNII, MASARU; TAMATSU, JUN
To: NEC INFRONTIA CORPORATION
Reel/Frame 022304/0698 →