CA866405A - Tone signaling system - Google Patents

Tone signaling system

Info

Publication number
CA866405A
CA866405A CA866405A CA866405DA CA866405A CA 866405 A CA866405 A CA 866405A CA 866405 A CA866405 A CA 866405A CA 866405D A CA866405D A CA 866405DA CA 866405 A CA866405 A CA 866405A
Authority
CA
Canada
Prior art keywords
signaling system
tone signaling
tone
signaling
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
CA866405A
Inventor
H. Blossom James
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.)
P E I Corp
Original Assignee
P E I Corp
Publication date
Application granted granted Critical
Publication of CA866405A publication Critical patent/CA866405A/en
Expired legal-status Critical Current

Links

CA866405A Tone signaling system Expired CA866405A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA866405T

Publications (1)

Publication Number Publication Date
CA866405A true CA866405A (en) 1971-03-16

Family

ID=36351723

Family Applications (1)

Application Number Title Priority Date Filing Date
CA866405A Expired CA866405A (en) Tone signaling system

Country Status (1)

Country Link
CA (1) CA866405A (en)

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