TREA

Teleconference control unit

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Information

  • Patent Grant
  • D293319
  • Patent Number
    D293,319
  • Date Filed
    Monday, November 4, 1985
    39 years ago
  • Date Issued
    Tuesday, December 22, 1987
    37 years ago
Information
Abstract
Description
Claims
  • The design for a teleconference control unit, as shown and described.
US Referenced Citations (10)
Number Name Date Kind
D236134 Christie et al. Jul 1975
D247174 Janda Feb 1978
D269432 Kowalik et al. Jun 1983
D279471 Nakashima Jul 1985
D283891 Parshad et al. May 1986
D285554 Beaumont et al. Sep 1986
D286403 Parshad et al. Oct 1986
D287719 Kaku Jan 1987
D288560 Anderson Mar 1987
D289155 Brooks et al. Apr 1987
Non-Patent Literature Citations (4)
Entry
Popular Mechanics, Dec. 1982: Mital "Talk To", paging controls sets.
Telesis 1984 One; Article re Local Conferencing pp. 1,2.
Montgomery Ward Catalog; Spring & Summer 1983: at p. 312; modular unit in item A, Phone Mate Units.
Post Office Elect., Engr. Journal (U.K.), vol. 74, Oct. 1981: pp. 235, 239 "Northern Telcom' Doric", loud speaker unit in FIG. 3.