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CA489498A - Vibration-damping-electromagnetic-coupling unit for sound amplifying apparatus - Google Patents

Vibration-damping-electromagnetic-coupling unit for sound amplifying apparatus

Info

Publication number
CA489498A
CA489498A CA489498A CA489498DA CA489498A CA 489498 A CA489498 A CA 489498A CA 489498 A CA489498 A CA 489498A CA 489498D A CA489498D A CA 489498DA CA 489498 A CA489498 A CA 489498A
Authority
CA
Canada
Prior art keywords
damping
vibration
electromagnetic
coupling unit
amplifying apparatus
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
CA489498A
Other languages
French (fr)
Inventor
G. Prentiss John
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio Corp
Publication date
Application granted granted Critical
Publication of CA489498A publication Critical patent/CA489498A/en
Expired legal-status Critical Current

Links

CA489498A Vibration-damping-electromagnetic-coupling unit for sound amplifying apparatus Expired CA489498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA489498T

Publications (1)

Publication Number Publication Date
CA489498A true CA489498A (en) 1953-01-06

Family

ID=35629226

Family Applications (1)

Application Number Title Priority Date Filing Date
CA489498A Expired CA489498A (en) Vibration-damping-electromagnetic-coupling unit for sound amplifying apparatus

Country Status (1)

Country Link
CA (1) CA489498A (en)

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