GB158571A - Apparatus for the reproduction of sound waves - Google Patents

Apparatus for the reproduction of sound waves

Info

Publication number
GB158571A
GB158571A GB338921A GB338921A GB158571A GB 158571 A GB158571 A GB 158571A GB 338921 A GB338921 A GB 338921A GB 338921 A GB338921 A GB 338921A GB 158571 A GB158571 A GB 158571A
Authority
GB
United Kingdom
Prior art keywords
reproduction
sound waves
waves
sound
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB338921A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB158571A publication Critical patent/GB158571A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/04—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electric resistance; Record carriers therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00—Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
GB338921A 1920-01-28 1921-01-27 Apparatus for the reproduction of sound waves Expired GB158571A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE336114T 1920-01-28

Publications (1)

Publication Number Publication Date
GB158571A true GB158571A (en) 1922-04-27

Family

ID=6220008

Family Applications (1)

Application Number Title Priority Date Filing Date
GB338921A Expired GB158571A (en) 1920-01-28 1921-01-27 Apparatus for the reproduction of sound waves

Country Status (3)

Country Link
DE (1) DE336114C (en)
FR (1) FR529426A (en)
GB (1) GB158571A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1079069B (en) * 1952-06-26 1960-04-07 Ver Kesselwerke Ag Superheater arrangement for water tube boilers with several flue gas ducts for optional firing with different fuels

Also Published As

Publication number Publication date
FR529426A (en) 1921-11-28
DE336114C (en) 1921-04-25

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