AU130738A - Improvements in or relating to acoustic diaphragms - Google Patents

Improvements in or relating to acoustic diaphragms

Info

Publication number
AU130738A
AU130738A AU1307/38A AU130738A AU130738A AU 130738 A AU130738 A AU 130738A AU 1307/38 A AU1307/38 A AU 1307/38A AU 130738 A AU130738 A AU 130738A AU 130738 A AU130738 A AU 130738A
Authority
AU
Australia
Prior art keywords
relating
acoustic diaphragms
diaphragms
acoustic
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
AU1307/38A
Other versions
AU107085B2 (en
Inventor
Steffens Eugen
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.)
Siemens and Halske AG
Original Assignee
Siemens and Halske AG
Filing date
Publication date
Application filed by Siemens and Halske AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of AU107085B2 publication Critical patent/AU107085B2/en
Publication of AU130738A publication Critical patent/AU130738A/en
Expired legal-status Critical Current

Links

AU1307/38A 1938-04-01 Improvements in or relating to acoustic diaphragms Expired AU107085B2 (en)

Publications (2)

Publication Number Publication Date
AU107085B2 AU107085B2 (en) 1939-04-20
AU130738A true AU130738A (en) 1939-04-20

Family

ID=

Similar Documents

Publication Publication Date Title
AU107085B2 (en) Improvements in or relating to acoustic diaphragms
AU130738A (en) Improvements in or relating to acoustic diaphragms
AU107236B2 (en) Improvements in or relating to acoustic reproducers
AU108767B2 (en) Improvements in or relating to microphones
AU165138A (en) Improvements in or relating to acoustic reproducers
AU449638A (en) Improvements in or relating to microphones
AU107513B2 (en) Improvements in or relating to acoustic reproducer arrangements
AU110407B2 (en) Improvements in or relating to microphones
AU111204B2 (en) Improvements in or relating to microphones
AU215638A (en) Improvements in or relating to acoustic reproducer arrangements
AU360839A (en) Improvements in or relating to microphones
AU409339A (en) Improvements in or relating to microphones
AU105248B2 (en) Improvements in or relating to hydro-extractors
AU105636B2 (en) Improvements in or relating to iconoscopes
AU109288B2 (en) Improvements in or relating to portmanteaux
AU107250B2 (en) Improvements in or relating to telecinematograph transmitters
AU107204B2 (en) Improvements in or relating to telephone transmitters
AU105117B2 (en) Improvements in or relating to telephone instruments
AU106663B2 (en) Improvements in or relating to telephone instruments
AU109615B2 (en) Improvements in or relating to loudspeakers having sound-disseminating body
AU108231B2 (en) Improvements in or relating to diaphragm sealed valves
AU106938B2 (en) Improvements in or relating to casing or casing parts
AU109461B2 (en) Improvements in or relating to loudspeakers and microphones
AU85038A (en) Improvements in or relating to iconoscopes
AU148038A (en) Improvements in or relating to hydro-extractors