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CA804106A - Noise controlled sound reproducing system - Google Patents

Noise controlled sound reproducing system

Info

Publication number
CA804106A
CA804106A CA804106A CA804106DA CA804106A CA 804106 A CA804106 A CA 804106A CA 804106 A CA804106 A CA 804106A CA 804106D A CA804106D A CA 804106DA CA 804106 A CA804106 A CA 804106A
Authority
CA
Canada
Prior art keywords
reproducing system
sound reproducing
controlled sound
noise controlled
noise
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
CA804106A
Inventor
B. Cohen Abraham
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.)
Executone Inc
Original Assignee
Executone Inc
Publication date
Application granted granted Critical
Publication of CA804106A publication Critical patent/CA804106A/en
Expired legal-status Critical Current

Links

CA804106A Noise controlled sound reproducing system Expired CA804106A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA804106T

Publications (1)

Publication Number Publication Date
CA804106A true CA804106A (en) 1969-01-14

Family

ID=36274602

Family Applications (1)

Application Number Title Priority Date Filing Date
CA804106A Expired CA804106A (en) Noise controlled sound reproducing system

Country Status (1)

Country Link
CA (1) CA804106A (en)

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