OPTICAL INFORMATION RECORDING APPARATUS, OPTICAL INFORMATION REPRODUCING APPARATUS, AND OPTICAL INFORMATION RECORDING AND REPRODUCING APPARATUS

OPTICAL INFORMATION RECORDING APPARATUS, OPTICAL INFORMATION REPRODUCING APPARATUS, AND OPTICAL INFORMATION RECORDING AND REPRODUCING APPARATUS

PROBLEM TO BE SOLVED: To downsize an optical information reproducing apparatus and an optical information recording and reproducing apparatus by making a pickup lighter in weight and making a driving means smaller in size, and to improve a transfer rate by making it possible to access the optical in...

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1. Verfasser: HORIGOME HIDEYOSHI
Format: Patent
Sprache:eng
Schlagworte:
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator HORIGOME HIDEYOSHI
description PROBLEM TO BE SOLVED: To downsize an optical information reproducing apparatus and an optical information recording and reproducing apparatus by making a pickup lighter in weight and making a driving means smaller in size, and to improve a transfer rate by making it possible to access the optical information recording medium at a high speed. SOLUTION: The optical information recording apparatus has a light source 32, an information expressing means 63 for forming information light by causing the light from the light source to carry the information, a reference light forming means 65 for forming reference light from the light from the light source and an objective lens 70 for irradiating the optical information recording medium 1 with the information light and the reference light and which utilizes a holography. The apparatus is equipped with a stationary section 73 including at least the information expressing means 63 and a moving section 75 including at least the objective lens 70 moving for the purpose of accessing to the prescribed recording position of the optical information recording medium 1. COPYRIGHT: (C)2005,JPO&NCIPI
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SOLUTION: The optical information recording apparatus has a light source 32, an information expressing means 63 for forming information light by causing the light from the light source to carry the information, a reference light forming means 65 for forming reference light from the light from the light source and an objective lens 70 for irradiating the optical information recording medium 1 with the information light and the reference light and which utilizes a holography. The apparatus is equipped with a stationary section 73 including at least the information expressing means 63 and a moving section 75 including at least the objective lens 70 moving for the purpose of accessing to the prescribed recording position of the optical information recording medium 1. 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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title OPTICAL INFORMATION RECORDING APPARATUS, OPTICAL INFORMATION REPRODUCING APPARATUS, AND OPTICAL INFORMATION RECORDING AND REPRODUCING APPARATUS
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