DK44348C - For sounding electromagnetic recording and reproduction of acoustic oscillations Steel sound carrier. - Google Patents

For sounding electromagnetic recording and reproduction of acoustic oscillations Steel sound carrier.

Info

Publication number
DK44348C
DK44348C DK44348DA DK44348C DK 44348 C DK44348 C DK 44348C DK 44348D A DK44348D A DK 44348DA DK 44348 C DK44348 C DK 44348C
Authority
DK
Denmark
Prior art keywords
reproduction
sound carrier
acoustic oscillations
electromagnetic recording
steel sound
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Telegraphie Patent Syndikat
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 Telegraphie Patent Syndikat filed Critical Telegraphie Patent Syndikat
Application granted granted Critical
Publication of DK44348C publication Critical patent/DK44348C/en

Links

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
    • G11B5/004—Recording on, or reproducing or erasing from, magnetic drums
DK44348D 1928-09-26 1929-08-31 For sounding electromagnetic recording and reproduction of acoustic oscillations Steel sound carrier. DK44348C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE141087X 1928-09-26

Publications (1)

Publication Number Publication Date
DK44348C true DK44348C (en) 1931-07-13

Family

ID=5668510

Family Applications (1)

Application Number Title Priority Date Filing Date
DK44348D DK44348C (en) 1928-09-26 1929-08-31 For sounding electromagnetic recording and reproduction of acoustic oscillations Steel sound carrier.

Country Status (5)

Country Link
US (1) US1846531A (en)
AT (1) AT125469B (en)
CH (1) CH141087A (en)
DK (1) DK44348C (en)
FR (1) FR681288A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672346A (en) * 1946-12-21 1954-03-16 Int Electronics Co Office dictation and intercommunication system
US2610257A (en) * 1949-12-22 1952-09-09 Warner Bros Magnetic record volume control
US2816174A (en) * 1952-04-26 1957-12-10 Rca Corp Magnetic compression system

Also Published As

Publication number Publication date
US1846531A (en) 1932-02-23
FR681288A (en) 1930-05-13
AT125469B (en) 1931-11-25
CH141087A (en) 1930-07-15

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