Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – In combination with or also constituting light responsive...
Reexamination Certificate
2011-03-01
2011-03-01
Pham, Long (Department: 2814)
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
In combination with or also constituting light responsive...
C257S079000, C257S081000, C257S431000, C257S432000
Reexamination Certificate
active
07897978
ABSTRACT:
A tilt sensor includes a body; a first emitter and a first receiver being spacedly disposed on the body, the first receiver being used for receiving a first signal emitted from the first emitter, a second emitter and a second receiver being spacedly disposed on the body, the second receiver being used for receiving a second signal emitted from the second emitter, and an arm rotatably secured on the body. As the tilt sensor device is in a first tilt state, the arm blocks the first receiver to receive the first signal. As in a second tilt state, the arm blocks the second receiver to receive the second signal. As in a third tilt state, the arm blocks none of the first receiver and the second receiver to receive the first signal and to receive the second signal respectively.
REFERENCES:
patent: 2006/0007153 (2006-01-01), Ledbetter et al.
Hsu Li-Chuan
Liao Chih-Wei
Everlight Electronics Co., Ltd.
Muncy Geissler Olds & Lowe, PLLC
Pham Long
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