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Optical transceiver

Details

Inventors: Crouse, Ronald J.; Wade, Edward C.;
Assignee: TRW Inc. (Los Angeles, CA)
Primary Examiner: Nelms; David C.
Assistant Examiner: Hostetter; Darwin R.
Attorney, Agent or Firm: Kanz & Timmons

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.

DETAILED DESCRIPTION Referring now to the Figures, an optical transceiver according to the present invention is referred to generally by reference numeral 10.
One embodiment of optical transceiver 10 includes a means 11 for interfacing optical transceiver 10 with an optics communication channel such as a cable 16.
Means 11 includes a beam lead package 12, an eyelet 14 adapted for affixing to one end of optics cable 16, a housing 18 which forms a channel 20 for receivably engaging eyelet 14 and a slot 22 substantially transverse to channel 20 for receivably engaging in snap-in relationship beam lead package 12, and a snap-on retainer 24 for retaining eyelet 14 within housing 18.
Beam lead package 12 forms a substantially transparent window 26, and when eyelet 14 is in place in channel 20 and slot 22 properly engages beam lead package 12 optics cable 16 substantially aligns with substantially transparent window 26 whereby optical data can be transmitted from beam lead package 12 through substantially transparent window 26 to optics cable 16 and can be received through substantially transparent window 26 from optics cable 16.
Substantially transparent window 26 can comprise a substantially transparent pane or simply be an opening.
Optical transceiver 10 further includes a light sensing device including a light sensor 28 and a light emitting device including a light emitter 30.
Light sensor 28 is diffused into substrate 29.
Means 11 for interfacing optical transceiver 10 with optics cable 16 positions light sensor 28 for receiving optical data from the optics cable, and positions light emitter 30 for transmitting optical data to the optics cable without substantial light emission from the light emitter to the light sensor either directly or indirectly so that the light sensor is substantially optically isolated from the light emitter.
Beam lead package 12 substantially encloses the light sensing device and the light emitting device and when means 11 for interfacing optical transceiver 10 with optics cable 16 is fully assembled, optics cable 16 substantially aligns with light sensor 28 and light emitter 30 through substantially transparent window 26

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