GB326296A - Improvements relating to sound reproducers - Google Patents

Improvements relating to sound reproducers

Info

Publication number
GB326296A
GB326296A GB288429A GB288429A GB326296A GB 326296 A GB326296 A GB 326296A GB 288429 A GB288429 A GB 288429A GB 288429 A GB288429 A GB 288429A GB 326296 A GB326296 A GB 326296A
Authority
GB
United Kingdom
Prior art keywords
coil
diaphragm
frequency
coils
currents
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
GB288429A
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.)
Mullard Radio Valve Co Ltd
Original Assignee
Mullard Radio Valve Co Ltd
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
Priority to BE367006D priority Critical patent/BE367006A/xx
Application filed by Mullard Radio Valve Co Ltd filed Critical Mullard Radio Valve Co Ltd
Priority to GB288429A priority patent/GB326296A/en
Priority to FR688455D priority patent/FR688455A/fr
Publication of GB326296A publication Critical patent/GB326296A/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
    • H04R9/06—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Magnetically Actuated Valves (AREA)
GB288429A 1929-01-28 1929-01-28 Improvements relating to sound reproducers Expired GB326296A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE367006D BE367006A (enrdf_load_stackoverflow) 1929-01-28
GB288429A GB326296A (en) 1929-01-28 1929-01-28 Improvements relating to sound reproducers
FR688455D FR688455A (fr) 1929-01-28 1930-01-18 Dispositif destiné à convertir des oscillations électriques à haute fréquence, modulées, en oscillations acoustiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB288429A GB326296A (en) 1929-01-28 1929-01-28 Improvements relating to sound reproducers

Publications (1)

Publication Number Publication Date
GB326296A true GB326296A (en) 1930-03-13

Family

ID=9747810

Family Applications (1)

Application Number Title Priority Date Filing Date
GB288429A Expired GB326296A (en) 1929-01-28 1929-01-28 Improvements relating to sound reproducers

Country Status (3)

Country Link
BE (1) BE367006A (enrdf_load_stackoverflow)
FR (1) FR688455A (enrdf_load_stackoverflow)
GB (1) GB326296A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479072A (en) * 1942-11-30 1949-08-16 Lee Royal Electrical apparatus
US2706245A (en) * 1950-02-24 1955-04-12 Joseph L Miller Electromagnetic transducer-detector
US2791972A (en) * 1951-10-15 1957-05-14 Gilbert Co A C Vibrator excited loud speaker for toys
EP4432702A1 (en) * 2023-03-14 2024-09-18 INTEL Corporation Dynamic speaker coils as radio frequency antennas in mobile computing devices

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479072A (en) * 1942-11-30 1949-08-16 Lee Royal Electrical apparatus
US2706245A (en) * 1950-02-24 1955-04-12 Joseph L Miller Electromagnetic transducer-detector
US2791972A (en) * 1951-10-15 1957-05-14 Gilbert Co A C Vibrator excited loud speaker for toys
EP4432702A1 (en) * 2023-03-14 2024-09-18 INTEL Corporation Dynamic speaker coils as radio frequency antennas in mobile computing devices

Also Published As

Publication number Publication date
FR688455A (fr) 1930-08-23
BE367006A (enrdf_load_stackoverflow)

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