AU474741B2 - Apparatus for reading a rotating disc-shaped record carrier - Google Patents

Apparatus for reading a rotating disc-shaped record carrier

Info

Publication number
AU474741B2
AU474741B2 AU59541/73A AU5954173A AU474741B2 AU 474741 B2 AU474741 B2 AU 474741B2 AU 59541/73 A AU59541/73 A AU 59541/73A AU 5954173 A AU5954173 A AU 5954173A AU 474741 B2 AU474741 B2 AU 474741B2
Authority
AU
Australia
Prior art keywords
reading
rotating disc
record carrier
shaped record
shaped
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.)
Expired
Application number
AU59541/73A
Other versions
AU5954173A (en
Inventor
HAMERIK and DANIEL ONG EDUARD
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of AU5954173A publication Critical patent/AU5954173A/en
Application granted granted Critical
Publication of AU474741B2 publication Critical patent/AU474741B2/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
AU59541/73A 1972-08-26 1973-08-23 Apparatus for reading a rotating disc-shaped record carrier Expired AU474741B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7211676A NL7211676A (en) 1972-08-26 1972-08-26
NLNL7211676 1972-08-26

Publications (2)

Publication Number Publication Date
AU5954173A AU5954173A (en) 1975-02-27
AU474741B2 true AU474741B2 (en) 1976-07-29

Family

ID=19816797

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59541/73A Expired AU474741B2 (en) 1972-08-26 1973-08-23 Apparatus for reading a rotating disc-shaped record carrier

Country Status (12)

Country Link
JP (1) JPS5245201B2 (en)
AT (1) AT324449B (en)
AU (1) AU474741B2 (en)
BE (1) BE804026A (en)
CA (1) CA1006265A (en)
CH (1) CH556122A (en)
DE (1) DE2342737C3 (en)
ES (1) ES418154A1 (en)
FR (1) FR2197290B1 (en)
GB (1) GB1442218A (en)
IT (1) IT990311B (en)
NL (1) NL7211676A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2222665B1 (en) * 1973-03-21 1975-10-31 Thomson Brandt
JPS5169930A (en) * 1974-12-16 1976-06-17 Victor Company Of Japan
JPS54128705A (en) * 1978-03-29 1979-10-05 Mansei Kogyo Kk Reflecting beam path controller for optical information reader
JPS6114012Y2 (en) * 1978-06-12 1986-05-01
JPS553496U (en) * 1979-07-02 1980-01-10
JPS58128032A (en) * 1982-01-27 1983-07-30 Asahi Optical Co Ltd Detection method of focusing position for optical type information reproducer
JPS59160836A (en) * 1983-12-23 1984-09-11 Olympus Optical Co Ltd Driving device for projection lens
JPS59160833A (en) * 1983-12-23 1984-09-11 Olympus Optical Co Ltd Driving device for projection lens
JPS62295276A (en) * 1986-06-13 1987-12-22 Toshiba Corp Information reproducing device
KR102106456B1 (en) 2016-03-31 2020-05-04 주식회사 엘지화학 Electrode assembly, preperation method thereof and lithium secondary battery comprising the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2126492A5 (en) * 1971-02-08 1972-10-06 Thomson Csf

Also Published As

Publication number Publication date
DE2342737B2 (en) 1976-02-12
FR2197290A1 (en) 1974-03-22
CH556122A (en) 1974-11-15
DE2342737A1 (en) 1974-03-07
IT990311B (en) 1975-06-20
NL7211676A (en) 1974-02-28
DE2342737C3 (en) 1982-03-11
AT324449B (en) 1975-08-25
AU5954173A (en) 1975-02-27
BE804026A (en) 1974-02-25
FR2197290B1 (en) 1977-02-25
GB1442218A (en) 1976-07-14
CA1006265A (en) 1977-03-01
JPS4965845A (en) 1974-06-26
JPS5245201B2 (en) 1977-11-14
ES418154A1 (en) 1976-03-16

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