CA663989A - Electronic tone generator - Google Patents

Electronic tone generator

Info

Publication number
CA663989A
CA663989A CA663989A CA663989DA CA663989A CA 663989 A CA663989 A CA 663989A CA 663989 A CA663989 A CA 663989A CA 663989D A CA663989D A CA 663989DA CA 663989 A CA663989 A CA 663989A
Authority
CA
Canada
Prior art keywords
tone generator
electronic tone
electronic
generator
tone
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
CA663989A
Inventor
O. Gifford Donald
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA663989A publication Critical patent/CA663989A/en
Expired legal-status Critical Current

Links

CA663989A Electronic tone generator Expired CA663989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA663989T

Publications (1)

Publication Number Publication Date
CA663989A true CA663989A (en) 1963-05-28

Family

ID=35958108

Family Applications (1)

Application Number Title Priority Date Filing Date
CA663989A Expired CA663989A (en) Electronic tone generator

Country Status (1)

Country Link
CA (1) CA663989A (en)

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