FR585963A - Device for improving hearing in theaters and concert halls and shows - Google Patents

Device for improving hearing in theaters and concert halls and shows

Info

Publication number
FR585963A
FR585963A FR585963DA FR585963A FR 585963 A FR585963 A FR 585963A FR 585963D A FR585963D A FR 585963DA FR 585963 A FR585963 A FR 585963A
Authority
FR
France
Prior art keywords
theaters
shows
concert halls
improving hearing
hearing
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
Other languages
French (fr)
Inventor
Emile Archainbaud
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 filed Critical
Application granted granted Critical
Publication of FR585963A publication Critical patent/FR585963A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J5/00—Auxiliaries for producing special effects on stages, or in circuses or arenas
    • A63J5/10—Arrangements for making visible or audible the words spoken
FR585963D 1923-11-14 1923-11-14 Device for improving hearing in theaters and concert halls and shows Expired FR585963A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR585963T 1923-11-14

Publications (1)

Publication Number Publication Date
FR585963A true FR585963A (en) 1925-03-12

Family

ID=8960371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR585963D Expired FR585963A (en) 1923-11-14 1923-11-14 Device for improving hearing in theaters and concert halls and shows

Country Status (1)

Country Link
FR (1) FR585963A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688373A (en) * 1951-05-01 1954-09-07 Rca Corp Sound translating apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2688373A (en) * 1951-05-01 1954-09-07 Rca Corp Sound translating apparatus

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