AU6703990A - Non electrical head phone set to amplify sound - Google Patents

Non electrical head phone set to amplify sound

Info

Publication number
AU6703990A
AU6703990A AU67039/90A AU6703990A AU6703990A AU 6703990 A AU6703990 A AU 6703990A AU 67039/90 A AU67039/90 A AU 67039/90A AU 6703990 A AU6703990 A AU 6703990A AU 6703990 A AU6703990 A AU 6703990A
Authority
AU
Australia
Prior art keywords
phone set
head phone
non electrical
amplify sound
electrical head
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.)
Abandoned
Application number
AU67039/90A
Inventor
Kornel Gabor Banvolgyi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU67039/90A priority Critical patent/AU6703990A/en
Publication of AU6703990A publication Critical patent/AU6703990A/en
Abandoned legal-status Critical Current

Links

AU67039/90A 1989-11-30 1990-11-28 Non electrical head phone set to amplify sound Abandoned AU6703990A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU67039/90A AU6703990A (en) 1989-11-30 1990-11-28 Non electrical head phone set to amplify sound

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPJ7633 1989-11-30
AU763389 1989-11-30
AU67039/90A AU6703990A (en) 1989-11-30 1990-11-28 Non electrical head phone set to amplify sound

Publications (1)

Publication Number Publication Date
AU6703990A true AU6703990A (en) 1991-06-06

Family

ID=25612492

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67039/90A Abandoned AU6703990A (en) 1989-11-30 1990-11-28 Non electrical head phone set to amplify sound

Country Status (1)

Country Link
AU (1) AU6703990A (en)

Similar Documents

Publication Publication Date Title
AU2796489A (en) Voice/data switch
AU1767388A (en) Speaker system
AU1253188A (en) Stereo electroacoustical transducing
AU4433285A (en) Improved multidriver loudspeaker
GB8905002D0 (en) Audio amplifiers
AU3813989A (en) Public telephone set
AU2099088A (en) Cordless telephone system
AU5225590A (en) Speaker system
AU3797589A (en) Telephone
EP0295925A3 (en) Sound reduction membrane
GB2174578B (en) Loud speaking telephone
AU2234492A (en) Audio transducer improvements
AU2264388A (en) Loudspeaker
AU7488287A (en) Voice activated telephone
EP0425878A3 (en) High-efficiency audio amplifier
AU3134084A (en) Loudspeaking telephone transducer
AU1481988A (en) Shallow loudspeaker
AU6328590A (en) Amplifier arrangement
AU3756989A (en) Electrodynamic transducer structure
GB8816430D0 (en) Telephone set usable as acoustic coupler
AU1884588A (en) Cordless telephone system
AU4241993A (en) Audio transducer improvements
AU6795187A (en) Telephone set
AU6703990A (en) Non electrical head phone set to amplify sound
GB8713795D0 (en) Earphone headsets