JPS5245841A - Information detection had of information reader equipment - Google Patents

Information detection had of information reader equipment

Info

Publication number
JPS5245841A
JPS5245841A JP50120765A JP12076575A JPS5245841A JP S5245841 A JPS5245841 A JP S5245841A JP 50120765 A JP50120765 A JP 50120765A JP 12076575 A JP12076575 A JP 12076575A JP S5245841 A JPS5245841 A JP S5245841A
Authority
JP
Japan
Prior art keywords
information
reader equipment
detection
information detection
information reader
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
JP50120765A
Other languages
Japanese (ja)
Other versions
JPS5946053B2 (en
Inventor
Takayuki Aihara
Kiyoshi Hori
Hajime Nikuma
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.)
Olympus Corp
Original Assignee
Olympus Optical 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14794432&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS5245841(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP50120765A priority Critical patent/JPS5946053B2/en
Priority to DE2661052A priority patent/DE2661052C2/de
Priority to DE2661100A priority patent/DE2661100C2/de
Priority to DE2661053A priority patent/DE2661053C2/de
Priority to US05/730,608 priority patent/US4092529A/en
Priority to NLAANVRAGE7611125,A priority patent/NL184030C/en
Priority to DE2661051A priority patent/DE2661051C2/de
Priority to DE2660901A priority patent/DE2660901C2/de
Priority to DE2645326A priority patent/DE2645326C2/en
Priority to DE2661050A priority patent/DE2661050C2/de
Publication of JPS5245841A publication Critical patent/JPS5245841A/en
Publication of JPS5946053B2 publication Critical patent/JPS5946053B2/en
Priority to NL8800443A priority patent/NL190677C/en
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE:The information detection head of information reader equipment with which information read-out is possible as effectively as conventional reader equipment even if a low-performance lens is used.
JP50120765A 1975-10-08 1975-10-08 Information detection head in information reading device Expired JPS5946053B2 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
JP50120765A JPS5946053B2 (en) 1975-10-08 1975-10-08 Information detection head in information reading device
DE2661050A DE2661050C2 (en) 1975-10-08 1976-10-07
DE2661051A DE2661051C2 (en) 1975-10-08 1976-10-07
DE2661100A DE2661100C2 (en) 1975-10-08 1976-10-07
DE2661053A DE2661053C2 (en) 1975-10-08 1976-10-07
US05/730,608 US4092529A (en) 1975-10-08 1976-10-07 Detecting head for use in an apparatus for reading optically an information recorded on a record carrier as a track or tracks
NLAANVRAGE7611125,A NL184030C (en) 1975-10-08 1976-10-07 READING HEAD FOR READING INFORMATION RECORDED ON A REGISTRATION HOLDER.
DE2661052A DE2661052C2 (en) 1975-10-08 1976-10-07
DE2660901A DE2660901C2 (en) 1975-10-08 1976-10-07
DE2645326A DE2645326C2 (en) 1975-10-08 1976-10-07 Read head for an optical reading device
NL8800443A NL190677C (en) 1975-10-08 1988-02-22 Reading head.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50120765A JPS5946053B2 (en) 1975-10-08 1975-10-08 Information detection head in information reading device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP58098974A Division JPS5916151A (en) 1983-06-03 1983-06-03 Information detecting head of information reader

Publications (2)

Publication Number Publication Date
JPS5245841A true JPS5245841A (en) 1977-04-11
JPS5946053B2 JPS5946053B2 (en) 1984-11-10

Family

ID=14794432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50120765A Expired JPS5946053B2 (en) 1975-10-08 1975-10-08 Information detection head in information reading device

Country Status (1)

Country Link
JP (1) JPS5946053B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580834A (en) * 1978-12-08 1980-06-18 Thomson Csf Accessing device for track provided in optical recordable and readable medium * and optical system including said device
JPS5916151A (en) * 1983-06-03 1984-01-27 Olympus Optical Co Ltd Information detecting head of information reader
JPS59212602A (en) * 1983-05-16 1984-12-01 直本工業株式会社 Steam generator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48101103A (en) * 1972-02-29 1973-12-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48101103A (en) * 1972-02-29 1973-12-20

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5580834A (en) * 1978-12-08 1980-06-18 Thomson Csf Accessing device for track provided in optical recordable and readable medium * and optical system including said device
JPH0130228B2 (en) * 1978-12-08 1989-06-16 Thomson Csf
JPS59212602A (en) * 1983-05-16 1984-12-01 直本工業株式会社 Steam generator
JPS5916151A (en) * 1983-06-03 1984-01-27 Olympus Optical Co Ltd Information detecting head of information reader
JPH0230096B2 (en) * 1983-06-03 1990-07-04 Olympus Optical Co

Also Published As

Publication number Publication date
JPS5946053B2 (en) 1984-11-10

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