JPS5099561A - - Google Patents

Info

Publication number
JPS5099561A
JPS5099561A JP49002892A JP289274A JPS5099561A JP S5099561 A JPS5099561 A JP S5099561A JP 49002892 A JP49002892 A JP 49002892A JP 289274 A JP289274 A JP 289274A JP S5099561 A JPS5099561 A JP S5099561A
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP49002892A
Other languages
Japanese (ja)
Other versions
JPS5339123B2 (enrdf_load_stackoverflow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP742892A priority Critical patent/JPS5339123B2/ja
Publication of JPS5099561A publication Critical patent/JPS5099561A/ja
Publication of JPS5339123B2 publication Critical patent/JPS5339123B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Laser Beam Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP742892A 1973-12-28 1973-12-28 Expired JPS5339123B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP742892A JPS5339123B2 (enrdf_load_stackoverflow) 1973-12-28 1973-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP742892A JPS5339123B2 (enrdf_load_stackoverflow) 1973-12-28 1973-12-28

Publications (2)

Publication Number Publication Date
JPS5099561A true JPS5099561A (enrdf_load_stackoverflow) 1975-08-07
JPS5339123B2 JPS5339123B2 (enrdf_load_stackoverflow) 1978-10-19

Family

ID=11541998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP742892A Expired JPS5339123B2 (enrdf_load_stackoverflow) 1973-12-28 1973-12-28

Country Status (1)

Country Link
JP (1) JPS5339123B2 (enrdf_load_stackoverflow)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51141651A (en) * 1975-05-16 1976-12-06 Thomson Brandt Optical beam information reader
JPS538107A (en) * 1976-07-12 1978-01-25 Mansei Kogyo Kk Optical information reader
JPS5313905A (en) * 1976-07-24 1978-02-08 Mansei Kogyo Kk Optical information reader
JPS5315801A (en) * 1976-07-28 1978-02-14 Hitachi Ltd Optical point controller for light flux
JPS5333604A (en) * 1976-08-31 1978-03-29 Mansei Kogyo Kk Device for optically reading information
JPS5349404A (en) * 1976-10-18 1978-05-04 Fuji Telecasting Co Ltd Device for compensating focus position variation for photoelectric reproducer
JPS58121008A (ja) * 1982-01-14 1983-07-19 Olympus Optical Co Ltd 合焦検出装置及び合焦設定装置
JPS5954046A (ja) * 1982-09-22 1984-03-28 Canon Inc 焦点検出装置
JPS6084522A (ja) * 1983-10-17 1985-05-13 Mitsutoyo Mfg Co Ltd 投影検査機
US6044049A (en) * 1996-10-16 2000-03-28 Matsushita Electric Industrial Co., Ltd. Optical information apparatus employing two different tracking error signals based on regions on information medium

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51141651A (en) * 1975-05-16 1976-12-06 Thomson Brandt Optical beam information reader
JPS538107A (en) * 1976-07-12 1978-01-25 Mansei Kogyo Kk Optical information reader
JPS5313905A (en) * 1976-07-24 1978-02-08 Mansei Kogyo Kk Optical information reader
JPS5315801A (en) * 1976-07-28 1978-02-14 Hitachi Ltd Optical point controller for light flux
JPS5333604A (en) * 1976-08-31 1978-03-29 Mansei Kogyo Kk Device for optically reading information
JPS5349404A (en) * 1976-10-18 1978-05-04 Fuji Telecasting Co Ltd Device for compensating focus position variation for photoelectric reproducer
JPS58121008A (ja) * 1982-01-14 1983-07-19 Olympus Optical Co Ltd 合焦検出装置及び合焦設定装置
JPS5954046A (ja) * 1982-09-22 1984-03-28 Canon Inc 焦点検出装置
JPS6084522A (ja) * 1983-10-17 1985-05-13 Mitsutoyo Mfg Co Ltd 投影検査機
US6044049A (en) * 1996-10-16 2000-03-28 Matsushita Electric Industrial Co., Ltd. Optical information apparatus employing two different tracking error signals based on regions on information medium

Also Published As

Publication number Publication date
JPS5339123B2 (enrdf_load_stackoverflow) 1978-10-19

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