Phyllis Schwebel Simon

US Patent:

48221252, Apr 18, 1989

Filed:

Feb 27, 1987

Appl. No.:

7/019895

Inventors:

Penny L. Beals - Redwood City CA
Phyllis M. Simon - Fremont CA
Bruce D. Campbell - Portola Valley CA

Assignee:

Raychem Corp. - Menlo Park CA

International Classification:

G02B 626

US Classification:

350 9615

Abstract:

An optical fiber tap which is especially useful as a node in a ring topology data processing system. The tap, which does not interrupt the physical continuity of the fiber, has an open position and a closed position. In the open position, a signal passing down the optical fiber passes through the tap without alteration. In the closed position, a signal passing down the optical fiber is extracted through a first bend which is put into the fiber by the tap; the extracted signal, or an electrical counterpart thereof, is processed and a counterpart of the extracted signal, or a new signal obtained by operating on the extracted signal, e. g. in a data processor, is injected into the fiber through a second bend which is put into the fiber by the tap.

US Patent:

45575509, Dec 10, 1985

Filed:

Oct 27, 1982

Appl. No.:

6/437054

Inventors:

Penny L. Beals - Redwood City CA
Phyllis M. Simon - Fremont CA
Bruce D. Campbell - Portola Valley CA

Assignee:

Raychem Corporation - Menlo Park CA

International Classification:

G02B 514

US Classification:

350 9615

Abstract:

An optical fiber tap which is especially useful as a node in a ring topology data processing system. The tap, which does not interrupt the physical continuity of the fiber, has an open position and a closed position. In the open position, a signal passing down the optical fiber passes through the tap without alteration. In the closed position, a signal passing down the optical fiber is extracted through a first bend which is put into the fiber by the tap; the extracted signal, or an electrical counterpart thereof, is processed and a counterpart of the extracted signal, or a new signal obtained by operating on the extracted signal, e. g. in a data processor, is injected into the fiber through a second bend which is put into the fiber by the tap.