JPS55125417A - Photodetector - Google Patents

Photodetector

Info

Publication number
JPS55125417A
JPS55125417A JP3268179A JP3268179A JPS55125417A JP S55125417 A JPS55125417 A JP S55125417A JP 3268179 A JP3268179 A JP 3268179A JP 3268179 A JP3268179 A JP 3268179A JP S55125417 A JPS55125417 A JP S55125417A
Authority
JP
Japan
Prior art keywords
mirror
detector
parts
cycle
lenses
Prior art date
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
JP3268179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6155047B2 (enrdf_load_stackoverflow
Inventor
Toru Nakamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP3268179A priority Critical patent/JPS55125417A/ja
Publication of JPS55125417A publication Critical patent/JPS55125417A/ja
Publication of JPS6155047B2 publication Critical patent/JPS6155047B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP3268179A 1979-03-20 1979-03-20 Photodetector Granted JPS55125417A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3268179A JPS55125417A (en) 1979-03-20 1979-03-20 Photodetector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3268179A JPS55125417A (en) 1979-03-20 1979-03-20 Photodetector

Publications (2)

Publication Number Publication Date
JPS55125417A true JPS55125417A (en) 1980-09-27
JPS6155047B2 JPS6155047B2 (enrdf_load_stackoverflow) 1986-11-26

Family

ID=12365608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3268179A Granted JPS55125417A (en) 1979-03-20 1979-03-20 Photodetector

Country Status (1)

Country Link
JP (1) JPS55125417A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827027A (ja) * 1981-08-11 1983-02-17 Akai Electric Co Ltd 光検出装置
FR2541029A1 (fr) * 1983-02-15 1984-08-17 Pioneer Electronic Corp Appareil de lecture optique d'informations
US7240415B2 (en) 2004-06-23 2007-07-10 Dario Toncelli Machine for processing material in the form of slabs, in particular natural stone material, ceramic material and conglomerate
US7748373B2 (en) 2004-10-20 2010-07-06 Dario Toncelli Combined apparatus for machining of articles, in particular in form of slabs
US10201914B2 (en) 2015-01-20 2019-02-12 Park Industries, Inc. Material loading apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63176651A (ja) * 1987-01-14 1988-07-20 Shigenobu Fujimoto 分子解離装置
JPS6456955A (en) * 1987-08-27 1989-03-03 Shigeru Sato Fuel consumption improving device
JPH01116275A (ja) * 1987-10-28 1989-05-09 Kenji Yakura 燃料処理方法およびその燃料処理装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5827027A (ja) * 1981-08-11 1983-02-17 Akai Electric Co Ltd 光検出装置
FR2541029A1 (fr) * 1983-02-15 1984-08-17 Pioneer Electronic Corp Appareil de lecture optique d'informations
JPS59125727U (ja) * 1983-02-15 1984-08-24 パイオニア株式会社 光学式情報ピツクアツプ装置
US7240415B2 (en) 2004-06-23 2007-07-10 Dario Toncelli Machine for processing material in the form of slabs, in particular natural stone material, ceramic material and conglomerate
US7748373B2 (en) 2004-10-20 2010-07-06 Dario Toncelli Combined apparatus for machining of articles, in particular in form of slabs
US8365715B2 (en) 2004-10-20 2013-02-05 Dario Toncelli Combined apparatus for machining of articles in particular in form of slabs
US10201914B2 (en) 2015-01-20 2019-02-12 Park Industries, Inc. Material loading apparatus
US11446843B2 (en) 2015-01-20 2022-09-20 Park Industries, Inc. Material loading apparatus

Also Published As

Publication number Publication date
JPS6155047B2 (enrdf_load_stackoverflow) 1986-11-26

Similar Documents

Publication Publication Date Title
JPS5753832A (en) Method and device for recording of optical information
JPS5345506A (en) Information detecting apparatus
JPS55125417A (en) Photodetector
CA2002381A1 (en) Optical pickup device
EP0390116A3 (en) Optical information processing system
US4633454A (en) Optical information pickup apparatus
JPS57200912A (en) Information recording system
EP0347081A3 (en) Optical head devices for use in recording and/or reproduction of information
JPS5640A (en) Optical information reproducing unit
JPS5764337A (en) Track retrieval device
JPS6462838A (en) Optical pick-up
JPS6452240A (en) Magneto-optical recording and reproducing device
JPS55101141A (en) Automatic focusing unit in optical information reproducing device
JPS55125545A (en) Optical information recorder/reproducer
JPS6446234A (en) Recording and reproducing device for optical information
JPS567245A (en) Automatic focusing unit in optical information reproducing device
JPS56145532A (en) Optical information recording and reproducing device
JPS573236A (en) Optical information reader
JPS54104303A (en) Optical system signal reading system
JPS5661044A (en) Optical information reader
JPS55129940A (en) Optical type reproducing device
JPS647333A (en) Focus controller
JPS5613532A (en) Focus detector of optical information reproducing device
JPS6476541A (en) Optical pickup device
JPS5835734A (ja) 光学式デイスク再生装置のフオ−カス状態検出制御装置