Optical transceiver

Details Optical transceiver Optical transceiver

1978-11-13

1981-05-19

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

250239, G02B 2700

Patent

active

042687560

ABSTRACT:
An optical transceiver for transmitting optical data to an optics communication channel and receiving optical data from the optics communication channel is disclosed. The transceiver includes a light sensor, a light emitter, and an interface between the optical transceiver and the optics communication channel. The light sensor is substantially optically isolated from the light emitter. Electrical data is transmitted responsive to the light sensor, and sufficient electric current is supplied to the light emitter responsive to received electrical data. In one arrangement for an optics cable optics communication channel, the transceiver is interfaced to the optics cable with a beam lead package substantially enclosing the light sensing device and the light emitting device, an eyelet for affixing to one end of the optics cable, a housing with a channel for receivably engaging the eyelet and a slot substantially transverse to the channel receivably engaging in snap-in relationship the beam lead package to align the light sensor and the light emitter with the optics cable through a substantially transparent window in the beam lead packages, and a snap-on retainer engaging the housing for retaining the eyelet within the housing. The portion of the eyelet proximal to the light sensor and the light emitter is covered by a mirror-like surface so shaped that light transmitted through the optics cable and reflected off the light emitter to the mirror-like surface is substantially reflected to the light sensor.

REFERENCES:
patent: 3979587 (1976-09-01), de Cremoux
Crow, "IBM Technical Disclosure Bulletin, " Oct. 1977, p. 2089.

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