BE747821A - Appareil d'enregistrement sur - Google Patents

Appareil d'enregistrement sur

Info

Publication number: BE747821A
Authority: BE; Belgium
Prior art keywords: recording device; recording
Prior art date: 1969-03-24

Application number

Other languages

English (en)

Inventor

D P Dolby

Original Assignee

Ampex

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.)

1969-03-24

Filing date

1970-03-23

Publication date

1970-08-31

1970-03-23 Application filed by Ampex filed Critical Ampex

1970-08-31 Publication of BE747821A publication Critical patent/BE747821A/fr

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/62—Maintaining desired spacing between record carrier and head

BE747821D 1969-03-24 1970-03-23 Appareil d'enregistrement sur BE747821A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US80966569A	1969-03-24	1969-03-24

Publications (1)

Publication Number	Publication Date
BE747821A true BE747821A (fr)	1970-08-31

Family

ID=25201920

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE747821D BE747821A (fr)	1969-03-24	1970-03-23	Appareil d'enregistrement sur

Country Status (6)

Country	Link
US (1)	US3629515A (fr)
JP (1)	JPS4918804B1 (fr)
BE (1)	BE747821A (fr)
FR (1)	FR2039007A5 (fr)
GB (1)	GB1261305A (fr)
NL (1)	NL142509B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5028305A (fr) *	1973-07-11	1975-03-22

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2968692A (en) *	1956-10-08	1961-01-17	Ampex	Electronic switching system for magnetic recorder and/or reproducer
US3159501A (en) *	1959-06-24	1964-12-01	Ampex	Magnetic tape apparatus
US3207855A (en) *	1961-12-12	1965-09-21	Ampex	Positioning mechanism
US3333064A (en) *	1963-04-01	1967-07-25	Ampex	Concave tape guide with means to adjust same

1969
- 1969-05-24 US US809665*[A patent/US3629515A/en not_active Expired - Lifetime
1970
- 1970-02-18 NL NL707002272A patent/NL142509B/xx not_active IP Right Cessation
- 1970-03-12 JP JP45020533A patent/JPS4918804B1/ja active Pending
- 1970-03-17 GB GB02828/70A patent/GB1261305A/en not_active Expired
- 1970-03-18 FR FR7009611A patent/FR2039007A5/fr not_active Expired
- 1970-03-23 BE BE747821D patent/BE747821A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE2013903B2 (de)	1972-09-14
FR2039007A5 (fr)	1971-01-08
NL142509B (nl)	1974-06-17
JPS4918804B1 (fr)	1974-05-13
NL7002272A (fr)	1970-09-28
DE2013903A1 (de)	1970-10-01
US3629515A (en)	1971-12-21
GB1261305A (en)	1972-01-26

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Legal Events

Date	Code	Title	Description
1990-01-01	RE20	Patent expired	Owner name: AMPEX CORP. Effective date: 19900323

Date

Code

Title

Description

1990-01-01

RE20

Patent expired

Owner name: AMPEX CORP.

Effective date: 19900323