Original document(32 pages) Authorized document(31 pages) 中文版
    Title: Optical pick-up apparatus, optical disc recording and/or reproducing apparatus, method for compensating coma aberration
Application Number
申请号
94120092 Application Date
申请日
1994.11.18
Title 名称 Optical pick-up apparatus, optical disc recording and/or reproducing apparatus, method for compensating coma aberration
Publication Number
公开号
1112706 Publication Date
公开日
1995.11.29
Approval Pub. Date Granted Pub. Date 2001.08.08
International Classification 分类号 G11B7/00
Applicant(s) Name
申请人
Sony Corporation
Address 地址
Inventor(s) Name 发明人 Michio Oka, Naoya Eguchi
Attorney & Agent 代理人 MA TIELIANG WANG ZHONGZHONG

  
Optical recording method, optical recording appts. and optical recording medium
Illumination optical device in image display device and image display device
Welding structure of electronic equipment part
Dynamic fixed point- positioning monitoring system for city vehicles
Fire receiver in fire alarm system
Method for detecting and positioning fire by using colour image three-primary colors difference
Alarming method
System for designing form and shape of glass
Electronic device having pseudo-SRAM
Phonetic correcting method of Chinese speech recognition system
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.