GB183543A - Improvements in sound boxes for sound reproducing machines - Google Patents

Improvements in sound boxes for sound reproducing machines

Info

Publication number
GB183543A
GB183543A GB1145521A GB1145521A GB183543A GB 183543 A GB183543 A GB 183543A GB 1145521 A GB1145521 A GB 1145521A GB 1145521 A GB1145521 A GB 1145521A GB 183543 A GB183543 A GB 183543A
Authority
GB
United Kingdom
Prior art keywords
sound
boxes
reproducing machines
sound reproducing
machines
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
GB1145521A
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
Priority to GB1145521A priority Critical patent/GB183543A/en
Publication of GB183543A publication Critical patent/GB183543A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
GB1145521A 1921-04-20 1921-04-20 Improvements in sound boxes for sound reproducing machines Expired GB183543A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1145521A GB183543A (en) 1921-04-20 1921-04-20 Improvements in sound boxes for sound reproducing machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1145521A GB183543A (en) 1921-04-20 1921-04-20 Improvements in sound boxes for sound reproducing machines

Publications (1)

Publication Number Publication Date
GB183543A true GB183543A (en) 1922-07-20

Family

ID=9986562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1145521A Expired GB183543A (en) 1921-04-20 1921-04-20 Improvements in sound boxes for sound reproducing machines

Country Status (1)

Country Link
GB (1) GB183543A (en)

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