CA1006265A - Apparatus for reading a rotating disc-shaped record carrier - Google Patents

Apparatus for reading a rotating disc-shaped record carrier

Info

Publication number
CA1006265A
CA1006265A CA179,670A CA179670A CA1006265A CA 1006265 A CA1006265 A CA 1006265A CA 179670 A CA179670 A CA 179670A CA 1006265 A CA1006265 A CA 1006265A
Authority
CA
Canada
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
CA179,670A
Other languages
English (en)
Other versions
CA179670S (fr
Inventor
Daniel Ong
Eduard Camerik
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
Application granted granted Critical
Publication of CA1006265A publication Critical patent/CA1006265A/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
CA179,670A 1972-08-26 1973-08-27 Apparatus for reading a rotating disc-shaped record carrier Expired CA1006265A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA1006265A true CA1006265A (en) 1977-03-01

Family

ID=19816797

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,670A Expired CA1006265A (en) 1972-08-26 1973-08-27 Apparatus for reading a rotating disc-shaped record carrier

Country Status (12)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2222665B1 (xx) * 1973-03-21 1975-10-31 Thomson Brandt
JPS5169930A (xx) * 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 (xx) * 1978-06-12 1986-05-01
JPS553496U (xx) * 1979-07-02 1980-01-10
JPS58128032A (ja) * 1982-01-27 1983-07-30 Asahi Optical Co Ltd 光学式情報再生装置の合焦位置検出方法
JPS59160836A (ja) * 1983-12-23 1984-09-11 Olympus Optical Co Ltd 投影レンズ駆動装置
JPS59160833A (ja) * 1983-12-23 1984-09-11 Olympus Optical Co Ltd 投影レンズ駆動装置
JPS62295276A (ja) * 1986-06-13 1987-12-22 Toshiba Corp 情報再生装置
KR102106456B1 (ko) 2016-03-31 2020-05-04 주식회사 엘지화학 전극 조립체, 이의 제조방법 및 이를 포함하는 이차전지

Family Cites Families (1)

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

Also Published As

Publication number Publication date
JPS5245201B2 (xx) 1977-11-14
CH556122A (de) 1974-11-15
DE2342737A1 (de) 1974-03-07
NL7211676A (xx) 1974-02-28
AU474741B2 (en) 1976-07-29
IT990311B (it) 1975-06-20
JPS4965845A (xx) 1974-06-26
AT324449B (de) 1975-08-25
GB1442218A (en) 1976-07-14
ES418154A1 (es) 1976-03-16
BE804026A (fr) 1974-02-25
FR2197290B1 (xx) 1977-02-25
DE2342737B2 (de) 1976-02-12
DE2342737C3 (de) 1982-03-11
AU5954173A (en) 1975-02-27
FR2197290A1 (xx) 1974-03-22

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