CA893257A - Tone generator - Google Patents

Tone generator

Info

Publication number
CA893257A
CA893257A CA893257A CA893257DA CA893257A CA 893257 A CA893257 A CA 893257A CA 893257 A CA893257 A CA 893257A CA 893257D A CA893257D A CA 893257DA CA 893257 A CA893257 A CA 893257A
Authority
CA
Canada
Prior art keywords
tone generator
tone
generator
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
CA893257A
Inventor
Formenti Ferdinando
Valbonesi Giuseppe
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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
Publication date
Application granted granted Critical
Publication of CA893257A publication Critical patent/CA893257A/en
Expired legal-status Critical Current

Links

CA893257A Tone generator Expired CA893257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA893257T

Publications (1)

Publication Number Publication Date
CA893257A true CA893257A (en) 1972-02-15

Family

ID=36399304

Family Applications (1)

Application Number Title Priority Date Filing Date
CA893257A Expired CA893257A (en) Tone generator

Country Status (1)

Country Link
CA (1) CA893257A (en)

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