BE804329A - APPARATUS ALLOWING THE EXPLORATION OF A ROTARY DISC-SHAPED INFORMATION HOLDER - Google Patents

APPARATUS ALLOWING THE EXPLORATION OF A ROTARY DISC-SHAPED INFORMATION HOLDER

Info

Publication number: BE804329A
Authority: BE; Belgium
Prior art keywords: exploration; rotary disc; shaped information; apparatus allowing; information holder
Prior art date: 1972-09-02

Application number

BE135212A

Other languages

French (fr)

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.)

1972-09-02

Filing date

1973-08-31

Publication date

1974-02-28

1973-08-31 Application filed by Philips Nv filed Critical Philips Nv

1974-02-28 Publication of BE804329A publication Critical patent/BE804329A/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

BE135212A 1972-09-02 1973-08-31 APPARATUS ALLOWING THE EXPLORATION OF A ROTARY DISC-SHAPED INFORMATION HOLDER BE804329A (en)

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 (1)

Publication Number	Publication Date
BE804329A true BE804329A (en)	1974-02-28

Family

ID=19816847

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE135212A BE804329A (en)	1972-09-02	1973-08-31	APPARATUS ALLOWING THE EXPLORATION OF A ROTARY DISC-SHAPED INFORMATION HOLDER

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
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
GB2216710B (en) *	1988-03-14	1992-09-02	Ici Plc	Optical or magneto-optical data system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee
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

1972
- 1972-09-02 NL NL7211997A patent/NL169668C/en not_active IP Right Cessation
1973
- 1973-08-16 DE DE19732341340 patent/DE2341340C3/en not_active Expired
- 1973-08-29 NO NO340373A patent/NO142057C/en unknown
- 1973-08-29 FR FR7331190A patent/FR2198204B1/fr not_active Expired
- 1973-08-30 JP JP9674773A patent/JPS579147B2/ja not_active Expired
- 1973-08-30 IT IT5224073A patent/IT990421B/en active
- 1973-08-30 AT AT756273A patent/AT338887B/en not_active IP Right Cessation
- 1973-08-30 CH CH1246473A patent/CH561457A5/xx not_active IP Right Cessation
- 1973-08-31 BE BE135212A patent/BE804329A/en unknown
- 1973-08-31 GB GB4111273A patent/GB1442132A/en not_active Expired
- 1973-08-31 ES ES418385A patent/ES418385A1/en not_active Expired

Also Published As

Publication number	Publication date
FR2198204A1 (en)	1974-03-29
DE2341340B2 (en)	1981-06-04
NO142057C (en)	1980-06-18
ATA756273A (en)	1977-01-15
NL169668B (en)	1982-03-01
ES418385A1 (en)	1976-03-16
CH561457A5 (en)	1975-04-30
AT338887B (en)	1977-09-26
NO142057B (en)	1980-03-10
DE2341340C3 (en)	1982-02-11
FR2198204B1 (en)	1976-11-19
JPS4966104A (en)	1974-06-26
NL169668C (en)	1982-08-02
GB1442132A (en)	1976-07-07
NL7211997A (en)	1974-03-05
AU5975073A (en)	1975-03-06
DE2341340A1 (en)	1974-03-14
JPS579147B2 (en)	1982-02-19
IT990421B (en)	1975-06-20

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