Headset amplifier

- GN Netcom A/S
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Description

FIG. 1 is a top, front and right side perspective view of a headset amplifier showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D180637 July 1957 Baum
D272443 January 31, 1984 Wong et al.
D286635 November 11, 1986 Yuen
D318279 July 16, 1991 Laiacona et al.
Other references
  • Stereo Review, Apr. 1989, p. 60, bottom right--Wireless Headphones. Stereo Review, Apr. 1989, p. 61, bottom left--Koss Kordless Stereophones.
Patent History
Patent number: D327068
Type: Grant
Filed: Dec 1, 1989
Date of Patent: Jun 16, 1992
Assignee: GN Netcom A/S (Copenhagen)
Inventors: Jan Hampf (Saro), Karsten Langhorn (Bronshoj), Leo Larsen (Kokkedal)
Primary Examiner: Theodore M. Shooman
Law Firm: Merchant & Gould, Smith, Edell, Welter & Schmidt
Application Number: 7/445,323