NL553C - Sound box for speaking machines - Google Patents

Sound box for speaking machines

Info

Publication number
NL553C
NL553C NL658A NL658A NL553C NL 553 C NL553 C NL 553C NL 658 A NL658 A NL 658A NL 658 A NL658 A NL 658A NL 553 C NL553 C NL 553C
Authority
NL
Netherlands
Prior art keywords
sound box
speaking machines
speaking
machines
sound
Prior art date
Application number
NL658A
Other languages
Dutch (nl)
Original Assignee
Lumiere Louis
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 Lumiere Louis filed Critical Lumiere Louis
Application granted granted Critical
Publication of NL553C publication Critical patent/NL553C/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Casings For Electric Apparatus (AREA)
  • Telephone Set Structure (AREA)
NL658A 1911-07-07 1912-07-03 Sound box for speaking machines NL553C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR443172T 1911-07-07

Publications (1)

Publication Number Publication Date
NL553C true NL553C (en) 1915-03-01

Family

ID=1484274

Family Applications (1)

Application Number Title Priority Date Filing Date
NL658A NL553C (en) 1911-07-07 1912-07-03 Sound box for speaking machines

Country Status (4)

Country Link
AT (1) AT63874B (en)
FR (1) FR443172A (en)
GB (1) GB191215530A (en)
NL (1) NL553C (en)

Also Published As

Publication number Publication date
AT63874B (en) 1914-03-10
GB191215530A (en) 1912-11-21
FR443172A (en) 1912-09-18

Similar Documents

Publication Publication Date Title
NL553C (en) Sound box for speaking machines
CH51665A (en) Speech machine sound box
CH56818A (en) Foam machine
FR440198A (en) Talking machine
CH58713A (en) Talking machine
CH57804A (en) Talking machine
CH55398A (en) Talking machine
CH59202A (en) Talking machine
CH53287A (en) Sound box for speaking machines
CH51971A (en) Drawing machine
CH57877A (en) box
FR436079A (en) Folding box
FR432358A (en) Folding box
FR443236A (en) Microphone
FR433236A (en) Microphone
CH54931A (en) microphone
CH55227A (en) Adding machine
CH58239A (en) Adding machine
CH58240A (en) Adding machine
FR436600A (en) Debit-bending machine
FR433391A (en) Magneto-generator machine
CH58399A (en) Butter modeling machine
CH57976A (en) Cigar press box
FR433577A (en) First aid box
FR431800A (en) Talking machine accessories