CA251497A - Acoustic horn - Google Patents

Acoustic horn

Info

Publication number
CA251497A
CA251497A CA251497A CA251497DA CA251497A CA 251497 A CA251497 A CA 251497A CA 251497 A CA251497 A CA 251497A CA 251497D A CA251497D A CA 251497DA CA 251497 A CA251497 A CA 251497A
Authority
CA
Canada
Prior art keywords
acoustic horn
horn
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
CA251497A
Other languages
French (fr)
Inventor
R. Respess William
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.)
CANADIAN BRANDES Ltd
Original Assignee
CANADIAN BRANDES Ltd
Publication date
Application granted granted Critical
Publication of CA251497A publication Critical patent/CA251497A/en
Expired legal-status Critical Current

Links

CA251497A Acoustic horn Expired CA251497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA251497T

Publications (1)

Publication Number Publication Date
CA251497A true CA251497A (en) 1925-07-07

Family

ID=35158471

Family Applications (1)

Application Number Title Priority Date Filing Date
CA251497A Expired CA251497A (en) Acoustic horn

Country Status (1)

Country Link
CA (1) CA251497A (en)

Similar Documents

Publication Publication Date Title
CA251497A (en) Acoustic horn
CA250938A (en) Acoustic horn
CA251340A (en) Acoustic horn
CA259578A (en) Sound horn
CA252019A (en) Sound resonator
CA272017A (en) Acoustic horn
CA272484A (en) Acoustic horn
CA250204A (en) Sound producing device
CA247148A (en) Acoustic device
CA248179A (en) Acoustic device
CA252388A (en) Acoustic device
CA250599A (en) Sound device
AU2226225A (en) Mounting for acoustic horns
CA258045A (en) Horn
CA264109A (en) Horn
CA250764A (en) Microphone
CA250765A (en) Microphone
CA254908A (en) Microphone
CA254713A (en) Electric sound producing horn
CA248451A (en) Sound record
CA248297A (en) Loud speaker
CA249570A (en) Loud speaker
CA237910A (en) Amplifying horn
CA247413A (en) Sound recording process
CA248881A (en) Acoustic wave filter