GB625014A - Improvements in or relating to acoustic devices - Google Patents

Improvements in or relating to acoustic devices

Info

Publication number
GB625014A
GB625014A GB3346145A GB3346145A GB625014A GB 625014 A GB625014 A GB 625014A GB 3346145 A GB3346145 A GB 3346145A GB 3346145 A GB3346145 A GB 3346145A GB 625014 A GB625014 A GB 625014A
Authority
GB
United Kingdom
Prior art keywords
ribbon
stiff
relating
central
flexible
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
GB3346145A
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
Priority to BE475814D priority Critical patent/BE475814A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB3346145A priority patent/GB625014A/en
Priority to FR948086D priority patent/FR948086A/fr
Priority to ES177021A priority patent/ES177021A1/es
Publication of GB625014A publication Critical patent/GB625014A/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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB3346145A 1945-12-11 1945-12-11 Improvements in or relating to acoustic devices Expired GB625014A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE475814D BE475814A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1945-12-11
GB3346145A GB625014A (en) 1945-12-11 1945-12-11 Improvements in or relating to acoustic devices
FR948086D FR948086A (fr) 1945-12-11 1946-12-06 Procédé de fabrication de diaphragmes acoustiques
ES177021A ES177021A1 (es) 1945-12-11 1947-02-28 Mejoras en o relativas a diafragmas acústicos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3346145A GB625014A (en) 1945-12-11 1945-12-11 Improvements in or relating to acoustic devices

Publications (1)

Publication Number Publication Date
GB625014A true GB625014A (en) 1949-06-21

Family

ID=10353267

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3346145A Expired GB625014A (en) 1945-12-11 1945-12-11 Improvements in or relating to acoustic devices

Country Status (4)

Country Link
BE (1) BE475814A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES177021A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR948086A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB625014A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3154172A (en) * 1962-07-19 1964-10-27 Tibbetts Industries Diaphragm and impedance means
US3285364A (en) * 1965-06-01 1966-11-15 Ling Temco Vought Inc Loudspeaker construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3154172A (en) * 1962-07-19 1964-10-27 Tibbetts Industries Diaphragm and impedance means
US3285364A (en) * 1965-06-01 1966-11-15 Ling Temco Vought Inc Loudspeaker construction

Also Published As

Publication number Publication date
BE475814A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES177021A1 (es) 1947-04-16
FR948086A (fr) 1949-07-21

Similar Documents

Publication Publication Date Title
GB897621A (en) Acoustical diaphragm
GB927370A (en) Improvements in or relating to electro-acoustic transducers
GB625014A (en) Improvements in or relating to acoustic devices
GB869234A (en) Transducer and vibratory diaphragm
GB1048602A (en) Improvements relating to moving coil loudspeakers and the like
GB596893A (en) Improvements relating to acoustic reproducers
GB876428A (en) Improvements in or relating to loudspeaker diaphragms
JPS5299809A (en) Flat speaker
GB712770A (en) Improvements in or relating to microphones
GB638920A (en) Improvements in or relating to head-gear for electro-acoustic transducers
GB626453A (en) Improvements in or relating to acoustic instruments
GB589195A (en) Improvements in or relating to loudspeakers
JPS5349424A (en) Dome speaker
GB937838A (en) Improvements in the manufacture of diaphragms for moving coil loudspeakers
JPS542715A (en) Speaker cone and production of the same
AU157177B2 (en) Improvements in or relating to microphones, ofthe kind comprising a diaphragm and atleast one pipe with whichthe diaphragm is coupled acoustically
GB619882A (en) Improvements in and relating to louspeaker units
AU1682153A (en) Improvements in or relating to microphones, ofthe kind comprising a diaphragm and atleast one pipe with whichthe diaphragm is coupled acoustically
GB622828A (en) Improvements in or relating to loudspeakers and like electro-acoustic transducers
GB675104A (en) Improvements in or relating to loudspeakers
AU162834B2 (en) Improvements in or relating to loudspeakers having a conical diaphragm
AU162958B2 (en) Improvements in or relating to loudspeakers having a conical diaphragm
AU165861B2 (en) Diaphragm pump and installations incorporating same
JPS5233721A (en) Diaphragm for speaker
JPS5349426A (en) Speaker diaphragm