Prism-type objective lens for the pickup head of an optical disc drive capable of driving two types of optical discs

• Main Authors: JU; JAU-JIU, HUANG; DER-RAY, LEAN; ERIC G
• Format: Patent
• Language: English
• Published: 24.10.2000
• Edition: 7
• Subjects: INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

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...