AU1244047A - Improvements in or relating to oscillatory systems more particularly an electrodynamic system for example for microphone, loudspeakers pickups, and so forth, provided witha diaphragm - Google Patents

Improvements in or relating to oscillatory systems more particularly an electrodynamic system for example for microphone, loudspeakers pickups, and so forth, provided witha diaphragm

Info

Publication number
AU1244047A
AU1244047A AU12440/47A AU1244047A AU1244047A AU 1244047 A AU1244047 A AU 1244047A AU 12440/47 A AU12440/47 A AU 12440/47A AU 1244047 A AU1244047 A AU 1244047A AU 1244047 A AU1244047 A AU 1244047A
Authority
AU
Australia
Prior art keywords
pickups
loudspeakers
microphone
diaphragm
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
AU12440/47A
Other versions
AU143767B2 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of AU143767B2 publication Critical patent/AU143767B2/en
Publication of AU1244047A publication Critical patent/AU1244047A/en
Expired legal-status Critical Current

Links

AU12440/47A 1947-05-28 Improvements in or relating to oscillatory systems more particularly an electrodynamic system for example for microphone, loudspeakers pickups, and so forth, provided witha diaphragm Expired AU143767B2 (en)

Publications (2)

Publication Number Publication Date
AU143767B2 AU143767B2 (en) 1947-06-26
AU1244047A true AU1244047A (en) 1947-06-26

Family

ID=

Similar Documents

Publication Publication Date Title
GB659063A (en) Improvements in or relating to loudspeakers
AU143767B2 (en) Improvements in or relating to oscillatory systems more particularly an electrodynamic system for example for microphone, loudspeakers pickups, and so forth, provided witha diaphragm
AU1244047A (en) Improvements in or relating to oscillatory systems more particularly an electrodynamic system for example for microphone, loudspeakers pickups, and so forth, provided witha diaphragm
FR928176A (en) Diaphragm for dynamic loudspeakers
GB650808A (en) Improvements in electrical sound reproducing apparatus
GB622828A (en) Improvements in or relating to loudspeakers and like electro-acoustic transducers
CA440145A (en) Loudspeaker diaphragm support
GB657480A (en) Improvements in and relating to loudspeakers
GB886492A (en) Improvements in or relating to loudspeakers
FR951203A (en) Electro-dynamic sound reproduction system
CA443273A (en) Sound film system
AU145965B2 (en) Improvements in diaphragms for loudspeakers
CA439916A (en) Loud speaker
CA435034A (en) Distant talking loud-speaker telephone system
GB675104A (en) Improvements in or relating to loudspeakers
GB659001A (en) Improvements in loudspeakers or telephone receivers
GB666408A (en) Improvements in or relating to electro-magnetic vibratory devices
CA440042A (en) Telephone system employing phonographs
CA440044A (en) Telephone system employing phonographs
CA440043A (en) Telephone system employing phonographs
AU149198B2 (en) improvements in loudspeakers
AU166050B2 (en) Improvements in loudspeakers
AU167259B2 (en) Improvements in loudspeakers
AU143856B2 (en) Improvements in or relating to electroacoustic transducers
CA442013A (en) Push-pull resistance-coupled amplifier system