FR558957A - Talking box machine with horn housed inside the box and surrounded by a frame - Google Patents

Talking box machine with horn housed inside the box and surrounded by a frame

Info

Publication number
FR558957A
FR558957A FR558957DA FR558957A FR 558957 A FR558957 A FR 558957A FR 558957D A FR558957D A FR 558957DA FR 558957 A FR558957 A FR 558957A
Authority
FR
France
Prior art keywords
box
talking
surrounded
frame
housed inside
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)
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.)
Telegraphie System Stille GmbH
Original Assignee
Telegraphie System Stille GmbH
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 System Stille GmbH filed Critical Telegraphie System Stille GmbH
Application granted granted Critical
Publication of FR558957A publication Critical patent/FR558957A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR558957D 1921-12-17 1922-11-22 Talking box machine with horn housed inside the box and surrounded by a frame Expired FR558957A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE558957X 1921-12-17

Publications (1)

Publication Number Publication Date
FR558957A true FR558957A (en) 1923-09-07

Family

ID=6565493

Family Applications (1)

Application Number Title Priority Date Filing Date
FR558957D Expired FR558957A (en) 1921-12-17 1922-11-22 Talking box machine with horn housed inside the box and surrounded by a frame

Country Status (1)

Country Link
FR (1) FR558957A (en)

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