Prism-type objective lens for the pickup head of an optical disc drive capable of driving two types of optical discs
A prism-type objective lens is provided for use in the pickup head of an optical disc drive capable of driving two types of optical discs such as a CD and a DVD. The prism-type objective lens allows the pickup head to be made more compact in size with reduced structural complexity, and also allows t...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
24.10.2000
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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