IT1197124B - Diaframma per un trasduttore elettromeccanico - Google Patents

Diaframma per un trasduttore elettromeccanico

Info

Publication number
IT1197124B
IT1197124B IT21536/86A IT2153686A IT1197124B IT 1197124 B IT1197124 B IT 1197124B IT 21536/86 A IT21536/86 A IT 21536/86A IT 2153686 A IT2153686 A IT 2153686A IT 1197124 B IT1197124 B IT 1197124B
Authority
IT
Italy
Prior art keywords
diaphragm
pref
core
polyurethane
polyester
Prior art date
Application number
IT21536/86A
Other languages
English (en)
Other versions
IT8621536A0 (it
IT8621536A1 (it
Inventor
Martin James Lawrence
Original Assignee
Reefgrade 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
Application filed by Reefgrade Ltd filed Critical Reefgrade Ltd
Priority to IT21536/86A priority Critical patent/IT1197124B/it
Publication of IT8621536A0 publication Critical patent/IT8621536A0/it
Publication of IT8621536A1 publication Critical patent/IT8621536A1/it
Application granted granted Critical
Publication of IT1197124B publication Critical patent/IT1197124B/it

Links

Landscapes

  • Diaphragms For Electromechanical Transducers (AREA)
IT21536/86A 1986-08-27 1986-08-27 Diaframma per un trasduttore elettromeccanico IT1197124B (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT21536/86A IT1197124B (it) 1986-08-27 1986-08-27 Diaframma per un trasduttore elettromeccanico

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21536/86A IT1197124B (it) 1986-08-27 1986-08-27 Diaframma per un trasduttore elettromeccanico

Publications (3)

Publication Number Publication Date
IT8621536A0 IT8621536A0 (it) 1986-08-27
IT8621536A1 IT8621536A1 (it) 1988-02-27
IT1197124B true IT1197124B (it) 1988-11-25

Family

ID=11183260

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21536/86A IT1197124B (it) 1986-08-27 1986-08-27 Diaframma per un trasduttore elettromeccanico

Country Status (1)

Country Link
IT (1) IT1197124B (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005122637A1 (en) * 2004-06-03 2005-12-22 Tymphany Corporation Acoustic transducer comprising a plurality of coaxially arranged diaphragms
US9462388B2 (en) 2004-06-03 2016-10-04 Tymphany Hk Limited Acoustic transducer comprising a plurality of coaxially arranged diaphragms

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005122637A1 (en) * 2004-06-03 2005-12-22 Tymphany Corporation Acoustic transducer comprising a plurality of coaxially arranged diaphragms
US9462388B2 (en) 2004-06-03 2016-10-04 Tymphany Hk Limited Acoustic transducer comprising a plurality of coaxially arranged diaphragms

Also Published As

Publication number Publication date
IT8621536A0 (it) 1986-08-27
IT8621536A1 (it) 1988-02-27

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