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公开(公告)号：US11366332B2
公开(公告)日：2022-06-21
申请号：US16702639
申请日：2019-12-04
Applicant: Apple Inc.
Inventor： Christopher Hu , Ahmed Rashid , Colleen F. Mischke , Peng Chen , Talisa Mohammad Nejad , Xiao Hu , Yazan Z. Alnahhas
Abstract: An optical module includes an enclosure and an optical output assembly mounted on the enclosure. An emitter mounted in the enclosure is configured to emit a beam of light toward the optical output assembly. A connector, which includes two conductive layers separated by a dielectric layer, has a first side connected to the enclosure and a second side connected to the optical output assembly. An electrical trace disposed on the enclosure is connected to the first side of the connector so as to define a test circuit having a capacitance. Control circuitry is coupled to sense the capacitance of the test circuit, and configured to inhibit operation of the emitter upon sensing a change in the capacitance that exceeds a predetermined threshold.
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公开(公告)号：US20200292839A1
公开(公告)日：2020-09-17
申请号：US16702639
申请日：2019-12-04
Applicant: Apple Inc.
Inventor： Christopher Hu , Ahmed Rashid , Colleen F. Mischke , Peng Chen , Talisa Mohammad Nejad , Xiao Hu , Yazan Z. Alnahhas
Abstract: An optical module includes an enclosure and an optical output assembly mounted on the enclosure. An emitter mounted in the enclosure is configured to emit a beam of light toward the optical output assembly. A connector, which includes two conductive layers separated by a dielectric layer, has a first side connected to the enclosure and a second side connected to the optical output assembly. An electrical trace disposed on the enclosure is connected to the first side of the connector so as to define a test circuit having a capacitance. Control circuitry is coupled to sense the capacitance of the test circuit, and configured to inhibit operation of the emitter upon sensing a change in the capacitance that exceeds a predetermined threshold.
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