TILT CALIBRATION APPARATUS AND METHOD CAPABLE OF ADJUSTING INCLUDED ANGLE BETWEEN OPTICAL PICK-UP HEAD AND OPTICAL DISC ACCORDING TO WOBBLE SIGNAL
First Claim
1. A tilt calibrating apparatus for adjusting an included angle between an optical disc and an optical pick-up head, the tilt calibrating apparatus comprising:
- a photo detector, in the optical pick-up head, for detecting a signal reflected from a wobble groove on the optical disc;
a wobble processor, electrically connected to the photo detector, for generating a wobble signal according to the signal reflected from the wobble groove; and
an driver, electrically connected to the wobble processor, for controlling the included angle by rotating the optical pick-up head or the optical disc according to the wobble signal.
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Accused Products
Abstract
A tilt calibrating apparatus and method capable of adjusting an included angle between an optical disc and an optical pick-up head are disclosed. The tilt calibrating apparatus includes a photo detector, in the optical pick-up head, for detecting a signal reflected from a wobble groove on the optical disc, a wobble processor, electrically connected to the photo detector, for generating a wobble signal according to the signal reflected from a wobble groove on the optical disc, and an driver, electrically connected to the wobble processor, for controlling the included angle by rotating the optical pick-up head or the optical disc according to the wobble signal.
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Citations
19 Claims
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1. A tilt calibrating apparatus for adjusting an included angle between an optical disc and an optical pick-up head, the tilt calibrating apparatus comprising:
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a photo detector, in the optical pick-up head, for detecting a signal reflected from a wobble groove on the optical disc;
a wobble processor, electrically connected to the photo detector, for generating a wobble signal according to the signal reflected from the wobble groove; and
an driver, electrically connected to the wobble processor, for controlling the included angle by rotating the optical pick-up head or the optical disc according to the wobble signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A tilt calibrating method for adjusting an included angle between an optical disc and an optical pick-up head, the tilt calibrating method comprising:
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detecting a signal reflected from a wobble groove on the optical disc;
generating a wobble signal according to the signal reflected from the wobble groove; and
controlling the included angle by rotating the optical disc or the optical pick-up head according to the wobble signal. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification