Combined earphone and microphone
Jonsson , et al. October 23, 1
U.S. patent number D311,521 [Application Number 07/176,386] was granted by the patent office on 1990-10-23 for combined earphone and microphone. This patent grant is currently assigned to GN Netcom A/S. Invention is credited to Nikolai Bisgaard, Finn Jensen, Bjarne Jonsson, Karsten Langhorn.
| United States Patent | D311,521 |
| Jonsson , et al. | October 23, 1990 |
Combined earphone and microphone
Claims
The ornamental design for a combined earphone and microphone, as shown.
| Inventors: | Jonsson; Bjarne (Bronshoj, DK), Jensen; Finn (Struer, DK), Langhorn; Karsten (Bronshoj, DK), Bisgaard; Nikolai (Lyngby, DK) |
|---|---|
| Assignee: | GN Netcom A/S (Copenhagen,
DK) |
| Appl. No.: | 07/176,386 |
| Filed: | March 30, 1988 |
Foreign Application Priority Data
| Sep 30, 1987 [DK] | 1087/87 | |||
| Current U.S. Class: | D14/226; D14/206; D14/225 |
| Field of Search: | ;D14/205,206,207,223,225,226,225,228,229 ;379/430,433,444 ;381/25,68,158,183,187 ;181/129,135 |
References Cited [Referenced By]
U.S. Patent Documents
| 1587643 | June 1926 | Harman |
| 2474135 | June 1949 | White |
| 2513746 | July 1950 | Rohr |
| 2858544 | November 1958 | Roth |
| 3862378 | January 1975 | Norris |
| 3993879 | November 1976 | Larkin |
| 4020297 | April 1977 | Brodie |
| 4273969 | June 1981 | Foley et al. |
| 4335281 | January 1982 | Scott et al. |
| 4453050 | June 1984 | Enokido |
| 4702345 | October 1987 | Janssen et al. |
| 436377 | Oct 1926 | AT | |||
| 158391 | Oct 1985 | EP | |||
| 60-10999 | Jan 1985 | JP | |||
| 788099 | Dec 1957 | GB | |||
| 1377237 | Dec 1974 | GB | |||
| 2036505 | Jun 1980 | GB | |||
Assistant Examiner: Morris; Sandra
Attorney, Agent or Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt
Description
FIG. 1 is a front elevational view of a combined earphone and microphone showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a rear elevational view thereof; and
FIG. 4 is a bottom plan view thereof.
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