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 (xx
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

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

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

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

Family

ID=11541998

Family Applications (1)

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

Country Status (1)

Country Link
JP (1) JPS5339123B2 (xx)

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 (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6048949B2 (ja) * 1975-05-16 1985-10-30 トムソン‐ブラント 光ビームで情報を読み取る装置
JPS51141651A (en) * 1975-05-16 1976-12-06 Thomson Brandt Optical beam information reader
JPS552654B2 (xx) * 1976-07-12 1980-01-21
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
JPS5644492B2 (xx) * 1976-07-28 1981-10-20
JPS5315801A (en) * 1976-07-28 1978-02-14 Hitachi Ltd Optical point controller for light flux
JPS552655B2 (xx) * 1976-08-31 1980-01-21
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
JPH0225487B2 (xx) * 1982-01-14 1990-06-04 Olympus Optical Co
JPS5954046A (ja) * 1982-09-22 1984-03-28 Canon Inc 焦点検出装置
JPH0439131B2 (xx) * 1982-09-22 1992-06-26
JPS6084522A (ja) * 1983-10-17 1985-05-13 Mitsutoyo Mfg Co Ltd 投影検査機
JPH04246B2 (xx) * 1983-10-17 1992-01-06 Mitutoyo Corp
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 (xx) 1978-10-19

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