Infrared digital transceiver

- Photonics Corporation
Description

FIG. 1 is a top plan view of an infrared digital transceiver showing our new design, the bottom being unornamented;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a front elevation view thereof, the rear surface following the configuration shown in FIG. 1-3;

FIG. 5 is a top plan view of the second embodiment of the design of FIG. 1 the only difference being the inclusion of a stand on the rear, and;

FIG. 6 is a left side elevation view of FIG. 5 the bottom surface of the stand following the configuration shown on its side; and,

FIG. 7 is a perspective view of FIG. 5, the broken line showing of the cord junction being for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
3676846 July 1972 Busch
3979719 September 7, 1976 Tooley et al.
4021665 May 3, 1977 Haas et al.
4377862 March 22, 1983 Koford et al.
4402090 August 1983 Gfeller et al.
4447726 May 8, 1984 Mudge et al.
4497068 January 1985 Fischer
4540605 September 10, 1985 Barone
4584720 April 1986 Garrett
4596050 June 17, 1986 Rogers
4608714 August 1986 Juengal
4627106 December 2, 1986 Drake
4687924 August 18, 1987 Galvin et al.
4723314 February 2, 1988 Schneeberger
4742577 May 1988 Valdmanis
4763291 August 9, 1988 Schwaber
4779274 October 18, 1988 Takahashi et al.
4795908 January 3, 1989 Morimoto et al.
4809257 February 28, 1989 Gantenbein et al.
4825075 April 25, 1989 Jacoby et al.
4864647 September 5, 1989 Harrington
4897883 January 30, 1990 Harrington
4959874 September 1990 Saruta et al.
4975926 December 4, 1990 Knapp
4977618 December 11, 1990 Allen
5119226 June 2, 1992 Allen et al.
5124991 June 23, 1992 Allen
Foreign Patent Documents
56-202266 June 1983 JPX
57-109350 January 1984 JPX
57-188975 May 1984 JPX
59-35126 September 1985 JPX
59-142272 January 1986 JPX
Other references
  • Gfeller and Bapst, "Wireless In-House Data Communication via Diffuse Infrared Radiation", Proceedings of the IEEE; vol. 67; No. 11, Nov. 1979. Gfeller, Muller and Vettiger; "Infrared Communication for In-House Applications", presented at IEEE Compcon 1978 (Washington, D.C.), Sep. 5-8, 1978. Gfeller, "Infranet: Infrared Microbroadcasting Network for In-House Data Communication", report for IBM Technical Disclosure Bulletin, vol. 25, No. 8; Jan. 1983. "Asynchronous Communication Link for Infrared Transmission", IBM Technical Disclosure Bulletin; vol. 28, No. 9; Feb. 1986. "Touchpad Cable Function", IBM Technical Disclosure Bulletin; vol. 28; No. 9; Feb. 1986. "Group Encoding Method for Infrared Communication", IBM Technical Disclosure Bulletin, vol. 28, No. 10, Mar. 1986.
Patent History
Patent number: D351158
Type: Grant
Filed: Mar 10, 1992
Date of Patent: Oct 4, 1994
Assignee: Photonics Corporation (Campbell, CA)
Inventors: Jim Sacherman (Palo Alto, CA), Dallas R. Grove (Mountain View, CA)
Primary Examiner: B. J. Bullock
Law Firm: Haverstock, Medlen & Carroll
Application Number: 7/849,122