Patents by Inventor Campbell, Bruce D.

Campbell, Bruce D. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Optical fiber distribution network including non-destructive taps and method of using same
    Patent number: 4856864
    Abstract: An optical fiber distribution network includes non-destructive read taps disposed in series which create extremely small attenuations of an optical signal being tapped, and which increase the bandwidth of an optical fiber being tapped. The network further includes non-destructive write taps disposed in another series which each inject an optical signal into a second optical fiber while inducing minimal attenuation of a preexisting optical signal in the second fiber.
    Type: Grant
    Filed: August 31, 1988
    Date of Patent: August 15, 1989
    Assignee: Raychem Corporation
    Inventors: Campbell, Bruce D., Joseph Zucker