Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2006-04-18
2006-04-18
Luu, Thanh X. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S222100, C014S071100, C014S071500, C356S622000, C340S958000
Reexamination Certificate
active
07030354
ABSTRACT:
An automatic controlling apparatus of a boarding bridge to match a position of the boarding bridge with an airplane, includes: a light irradiator, an optical sensor, and an actuator. The light irradiator irradiates a light to the airplane. The optical sensor can detect a reflection wave of the light reflected from the airplane. The actuator moves the boarding bridge such that a position of the boarding bridge is matched with the airplane, based on a detection result of the reflection wave detected by the optical sensor.
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Nakahama Keisuke
Oki Junji
Luu Thanh X.
Mitsubishi Heavy Industries Ltd.
Wenderoth , Lind & Ponack, L.L.P.
Yam Stephen
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