Method for assembling an optical transducer element, and...

Details Method for assembling an optical transducer element, and... Method for assembling an optical transducer element, and...

2006-08-22

2008-11-11

Yam, Stephen (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

Reexamination Certificate

active

07449676

ABSTRACT:
An optical transducer device including an optical transducer element having preliminary and fine-adjustment openings, a printed circuit board, a motor shaft, a hub mounted to the motor shaft, and a sensor/emitter element that forms a sensor gap. The optical transducer element is positioned by, pre-positioning the shaft in the preliminary opening of the optical transducer element such that the peripheral edge is located outside the sensor gap, and laterally sliding the optical transducer element so that the motor shaft is positioned in the fine-adjustment opening of the optical transducer element such that the peripheral edge at least partially reaches into the sensor gap. The optical transducer element is then pressed onto the hub. Prior to positioning the optical transducer device, the circuit board is soldered to the device components, thereby protecting the optical transducer element from the negative effect of heat and solder residue.

REFERENCES:
patent: 4400443 (1983-08-01), Green
patent: 5155401 (1992-10-01), Kanaya et al.
patent: 5566561 (1996-10-01), Hucknall
patent: 29504883 (1995-07-01), None
patent: 10016959.7 (2001-10-01), None
patent: 20120932 (2002-04-01), None
patent: 59185876 (1984-10-01), None
English Translation of JP 59185876, 1984.

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