GB1442218A - Rotating disc reader - Google Patents

Rotating disc reader

Info

Publication number
GB1442218A
GB1442218A GB3993073A GB3993073A GB1442218A GB 1442218 A GB1442218 A GB 1442218A GB 3993073 A GB3993073 A GB 3993073A GB 3993073 A GB3993073 A GB 3993073A GB 1442218 A GB1442218 A GB 1442218A
Authority
GB
United Kingdom
Prior art keywords
mirror
splitter
aug
rotating disc
disc
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
GB3993073A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1442218A publication Critical patent/GB1442218A/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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
GB3993073A 1972-08-26 1973-08-23 Rotating disc reader Expired GB1442218A (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
GB1442218A true GB1442218A (en) 1976-07-14

Family

ID=19816797

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3993073A Expired GB1442218A (en) 1972-08-26 1973-08-23 Rotating disc reader

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
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
CA1006265A (en) 1977-03-01

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920823