CA230736A - Selective signalling circuit - Google Patents

Selective signalling circuit

Info

Publication number
CA230736A
CA230736A CA230736A CA230736DA CA230736A CA 230736 A CA230736 A CA 230736A CA 230736 A CA230736 A CA 230736A CA 230736D A CA230736D A CA 230736DA CA 230736 A CA230736 A CA 230736A
Authority
CA
Canada
Prior art keywords
signalling circuit
selective signalling
selective
circuit
signalling
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
CA230736A
Other languages
French (fr)
Inventor
H. Pierce Paul
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.)
INTERNATIONAL WESTERN ELECTRIC Co
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA230736A publication Critical patent/CA230736A/en
Expired legal-status Critical Current

Links

CA230736A Selective signalling circuit Expired CA230736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA230736T

Publications (1)

Publication Number Publication Date
CA230736A true CA230736A (en) 1923-05-01

Family

ID=35128108

Family Applications (1)

Application Number Title Priority Date Filing Date
CA230736A Expired CA230736A (en) Selective signalling circuit

Country Status (1)

Country Link
CA (1) CA230736A (en)

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