CH437841A - Magnetic sound device with foils made of magnetizable material as a sound carrier - Google Patents

Magnetic sound device with foils made of magnetizable material as a sound carrier

Info

Publication number: CH437841A
Authority: CH; Switzerland
Prior art keywords: sound; magnetizable material; foils made; magnetic; carrier
Prior art date: 1963-05-13

Application number

CH626464A

Other languages

German (de)

Inventor

B Rhoades Robert

Original Assignee

Vm Corp

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.)

1963-05-13

Filing date

1964-05-13

Publication date

1967-06-15

1964-05-13 Application filed by Vm Corp filed Critical Vm Corp

1967-06-15 Publication of CH437841A publication Critical patent/CH437841A/en

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following

CH626464A 1963-05-13 1964-05-13 Magnetic sound device with foils made of magnetizable material as a sound carrier CH437841A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US27995563A	1963-05-13	1963-05-13

Publications (1)

Publication Number	Publication Date
CH437841A true CH437841A (en)	1967-06-15

Family

ID=23071055

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CH3426764A CH460378A (en)	1963-05-13	1964-05-13	Sound recording and playback device with a foil changing device
CH626464A CH437841A (en)	1963-05-13	1964-05-13	Magnetic sound device with foils made of magnetizable material as a sound carrier

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CH3426764A CH460378A (en)	1963-05-13	1964-05-13	Sound recording and playback device with a foil changing device

Country Status (4)

Country	Link
CH (2)	CH460378A (en)
GB (2)	GB1037361A (en)
NO (1)	NO115082B (en)
SE (2)	SE316631B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5239416A (en) *	1992-06-29	1993-08-24	Optical Designs, Inc.	Variable power zoom stand magnifier

1964
- 1964-04-29 GB GB1782264A patent/GB1037361A/en not_active Expired
- 1964-04-29 GB GB5545265A patent/GB1037362A/en not_active Expired
- 1964-04-29 NO NO15306364A patent/NO115082B/no unknown
- 1964-05-12 SE SE578164A patent/SE316631B/xx unknown
- 1964-05-13 CH CH3426764A patent/CH460378A/en unknown
- 1964-05-13 CH CH626464A patent/CH437841A/en unknown
1966
- 1966-12-12 SE SE17037/66A patent/SE325142B/xx unknown

Also Published As

Publication number	Publication date
GB1037362A (en)	1966-07-27
SE316631B (en)	1969-10-27
GB1037361A (en)	1966-07-27
NO115082B (en)	1968-07-22
SE325142B (en)	1970-06-22
CH460378A (en)	1968-07-31

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