NL169668C - DEVICE FOR READING A DISC-SHAPED DATA CARRIER. - Google Patents

DEVICE FOR READING A DISC-SHAPED DATA CARRIER.

Info

Publication number
NL169668C
NL169668C NL7211997A NL7211997A NL169668C NL 169668 C NL169668 C NL 169668C NL 7211997 A NL7211997 A NL 7211997A NL 7211997 A NL7211997 A NL 7211997A NL 169668 C NL169668 C NL 169668C
Authority
NL
Netherlands
Prior art keywords
disc
reading
data carrier
shaped data
shaped
Prior art date
Application number
NL7211997A
Other languages
Dutch (nl)
Other versions
NL169668B (en
NL7211997A (en
Inventor
Peter Johannes Michiel Janssen
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Priority to NL7211997A priority Critical patent/NL169668C/en
Priority to DE19732341340 priority patent/DE2341340C3/en
Priority to NO340373A priority patent/NO142057C/en
Priority to AU59750/73A priority patent/AU492965B2/en
Priority to FR7331190A priority patent/FR2198204B1/fr
Priority to AT756273A priority patent/AT338887B/en
Priority to CH1246473A priority patent/CH561457A5/xx
Priority to JP9674773A priority patent/JPS579147B2/ja
Priority to IT5224073A priority patent/IT990421B/en
Priority to BE135212A priority patent/BE804329A/en
Priority to ES418385A priority patent/ES418385A1/en
Priority to GB4111273A priority patent/GB1442132A/en
Publication of NL7211997A publication Critical patent/NL7211997A/xx
Publication of NL169668B publication Critical patent/NL169668B/en
Application granted granted Critical
Publication of NL169668C publication Critical patent/NL169668C/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
NL7211997A 1972-09-02 1972-09-02 DEVICE FOR READING A DISC-SHAPED DATA CARRIER. NL169668C (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
NL7211997A NL169668C (en) 1972-09-02 1972-09-02 DEVICE FOR READING A DISC-SHAPED DATA CARRIER.
DE19732341340 DE2341340C3 (en) 1972-09-02 1973-08-16 Device for reading out a rotating, disk-shaped recording medium
AU59750/73A AU492965B2 (en) 1972-09-02 1973-08-29 Apparatus for reading a rotating disc-shaped record carrier
FR7331190A FR2198204B1 (en) 1972-09-02 1973-08-29
NO340373A NO142057C (en) 1972-09-02 1973-08-29 DEVICE FOR READING A PLATFORM RECORDING BEAR
CH1246473A CH561457A5 (en) 1972-09-02 1973-08-30
AT756273A AT338887B (en) 1972-09-02 1973-08-30 DEVICE FOR READING INFORMATION
JP9674773A JPS579147B2 (en) 1972-09-02 1973-08-30
IT5224073A IT990421B (en) 1972-09-02 1973-08-30 DEVICE FOR READING INFORMATION FROM A RECORDING MEDIA IN DISK FORM
BE135212A BE804329A (en) 1972-09-02 1973-08-31 APPARATUS ALLOWING THE EXPLORATION OF A ROTARY DISC-SHAPED INFORMATION HOLDER
ES418385A ES418385A1 (en) 1972-09-02 1973-08-31 Rotating disc reader
GB4111273A GB1442132A (en) 1972-09-02 1973-08-31 Rotating disc reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7211997A NL169668C (en) 1972-09-02 1972-09-02 DEVICE FOR READING A DISC-SHAPED DATA CARRIER.

Publications (3)

Publication Number Publication Date
NL7211997A NL7211997A (en) 1974-03-05
NL169668B NL169668B (en) 1982-03-01
NL169668C true NL169668C (en) 1982-08-02

Family

ID=19816847

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7211997A NL169668C (en) 1972-09-02 1972-09-02 DEVICE FOR READING A DISC-SHAPED DATA CARRIER.

Country Status (11)

Country Link
JP (1) JPS579147B2 (en)
AT (1) AT338887B (en)
BE (1) BE804329A (en)
CH (1) CH561457A5 (en)
DE (1) DE2341340C3 (en)
ES (1) ES418385A1 (en)
FR (1) FR2198204B1 (en)
GB (1) GB1442132A (en)
IT (1) IT990421B (en)
NL (1) NL169668C (en)
NO (1) NO142057C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL181693C (en) * 1974-11-29 1987-10-01 Philips Nv DEVICE FOR READING A RADIUS-REFLECTING REGISTRATION CARRIER BY OPTICAL ROAD.
FR2312832A1 (en) * 1975-05-30 1976-12-24 Thomson Brandt STABILIZATION DEVICE FOR SOFT DISCS, AND IN PARTICULAR VIDEO-DISCS, AND READING APPARATUS SUITABLE FOR THIS DEVICE
JPS5952454A (en) * 1982-09-18 1984-03-27 Nippon Telegr & Teleph Corp <Ntt> Optical disc device
GB2216710B (en) * 1988-03-14 1992-09-02 Ici Plc Optical or magneto-optical data system
US5012463A (en) * 1988-03-14 1991-04-30 Bernoulli Optical Systems Company Optical read/write storage system for flexible media having bernoulli stabilization at the optical head

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4217806Y1 (en) * 1964-04-30 1967-10-16
FR2073651A5 (en) * 1969-12-23 1971-10-01 Licentia Gmbh
JPS5018374A (en) * 1973-06-22 1975-02-26

Also Published As

Publication number Publication date
DE2341340C3 (en) 1982-02-11
AU5975073A (en) 1975-03-06
BE804329A (en) 1974-02-28
JPS4966104A (en) 1974-06-26
DE2341340B2 (en) 1981-06-04
NO142057C (en) 1980-06-18
NO142057B (en) 1980-03-10
CH561457A5 (en) 1975-04-30
AT338887B (en) 1977-09-26
IT990421B (en) 1975-06-20
NL169668B (en) 1982-03-01
FR2198204B1 (en) 1976-11-19
DE2341340A1 (en) 1974-03-14
JPS579147B2 (en) 1982-02-19
GB1442132A (en) 1976-07-07
NL7211997A (en) 1974-03-05
ATA756273A (en) 1977-01-15
FR2198204A1 (en) 1974-03-29
ES418385A1 (en) 1976-03-16

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee