CA381438A - Acoustic diaphragm - Google Patents

Acoustic diaphragm

Info

Publication number
CA381438A
CA381438A CA381438A CA381438DA CA381438A CA 381438 A CA381438 A CA 381438A CA 381438 A CA381438 A CA 381438A CA 381438D A CA381438D A CA 381438DA CA 381438 A CA381438 A CA 381438A
Authority
CA
Canada
Prior art keywords
acoustic diaphragm
diaphragm
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
CA381438A
Other languages
French (fr)
Inventor
W. Scheldorf Marvel
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.)
RCA Corp
Original Assignee
Radio Corporation of America
Publication date
Application granted granted Critical
Publication of CA381438A publication Critical patent/CA381438A/en
Expired legal-status Critical Current

Links

CA381438A Acoustic diaphragm Expired CA381438A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA381438T

Publications (1)

Publication Number Publication Date
CA381438A true CA381438A (en) 1939-05-16

Family

ID=35386678

Family Applications (1)

Application Number Title Priority Date Filing Date
CA381438A Expired CA381438A (en) Acoustic diaphragm

Country Status (1)

Country Link
CA (1) CA381438A (en)

Similar Documents

Publication Publication Date Title
FR865593A (en) Electro-acoustic transducers
CA381438A (en) Acoustic diaphragm
CA381743A (en) Microphone
CA384491A (en) Metallic diaphragm
CA379159A (en) Acoustic tile
CA385880A (en) Sound stabilizer
AU108382B2 (en) Loudspeaker membrane
CA381450A (en) Hearing-aid
CA385654A (en) Acoustic damping material
CA380412A (en) Sound translating device
CA379317A (en) Sound translating system
CA378229A (en) Diaphragm horn
CA362790A (en) Acoustic diaphragm
AU110220B2 (en) Horn type loudspeakers
CA382157A (en) Commercial phonograph
CA379455A (en) Amplifier
AU111452B2 (en) Amplifier
CA380166A (en) Amplifier
AU369238A (en) Loudspeaker membrane
CA379097A (en) Sound reproduction system
CA385169A (en) Vibrator
CA382546A (en) Sound recording system
CA381439A (en) Sound recording system
CA384060A (en) Sound recording system
AU111418B2 (en) An improved tent-frame construction