GB626453A - Improvements in or relating to acoustic instruments - Google Patents

Improvements in or relating to acoustic instruments

Info

Publication number
GB626453A
GB626453A GB33459/45A GB3345945A GB626453A GB 626453 A GB626453 A GB 626453A GB 33459/45 A GB33459/45 A GB 33459/45A GB 3345945 A GB3345945 A GB 3345945A GB 626453 A GB626453 A GB 626453A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
inch
magnet system
behind
relating
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
GB33459/45A
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB626453A publication Critical patent/GB626453A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/08—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB33459/45A 1945-12-11 1945-12-11 Improvements in or relating to acoustic instruments Expired GB626453A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB264765X 1945-12-11

Publications (1)

Publication Number Publication Date
GB626453A true GB626453A (en) 1949-07-15

Family

ID=10244249

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33459/45A Expired GB626453A (en) 1945-12-11 1945-12-11 Improvements in or relating to acoustic instruments

Country Status (4)

Country Link
BE (1) BE475383A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH264765A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES177012A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB626453A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1121117B (de) * 1957-09-18 1962-01-04 Holmberg & Co Kleinlautsprecher mit bestimmtem Frequenzgang

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1121117B (de) * 1957-09-18 1962-01-04 Holmberg & Co Kleinlautsprecher mit bestimmtem Frequenzgang

Also Published As

Publication number Publication date
CH264765A (de) 1949-10-31
ES177012A1 (es) 1947-04-16
BE475383A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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