Inclined detector

Optics: measuring and testing – Angle measuring or angular axial alignment – Photodetection of inclination from level or vertical

Reexamination Certificate

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Reexamination Certificate

active

07612877

ABSTRACT:
An inclined detector comprises: a detector body provided with an interior containing space including a lower alcove which is funnel-shaped; a pair of detection components including a transmitting component and a receiving component, wherein, the transmitting component is used to transmit a first signal which goes through the said containing space of the detector body, and the receiving component is used to receive the first signal transmitted by the transmitting component; and a ball disposed in the containing space of the detector body, wherein the ball stays at the bottom center of the lower alcove of the containing space when in a static state. By such arrangements, when the detector body is inclined to make the ball leave the former place where the ball is when in a static state, the receiving component will transmit a second signal for controlling after receiving the first signal transmitted by the transmitting component.

REFERENCES:
patent: 4450353 (1984-05-01), Sjolund
patent: 5278414 (1994-01-01), Samuelson et al.
patent: 5373153 (1994-12-01), Cumberledge et al.
patent: 6392223 (2002-05-01), Hjertman et al.
patent: 2002/0144418 (2002-10-01), Endo et al.

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