CA475859A - Metering circuit controls for automatic telephone systems - Google Patents

Metering circuit controls for automatic telephone systems

Info

Publication number
CA475859A
CA475859A CA475859A CA475859DA CA475859A CA 475859 A CA475859 A CA 475859A CA 475859 A CA475859 A CA 475859A CA 475859D A CA475859D A CA 475859DA CA 475859 A CA475859 A CA 475859A
Authority
CA
Canada
Prior art keywords
circuit controls
telephone systems
metering circuit
automatic telephone
automatic
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
CA475859A
Other languages
French (fr)
Inventor
L. Horwitz Henry
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.)
Federal Telephone and Radio Corp
Original Assignee
Federal Telephone and Radio Corp
Publication date
Application granted granted Critical
Publication of CA475859A publication Critical patent/CA475859A/en
Expired legal-status Critical Current

Links

CA475859A Metering circuit controls for automatic telephone systems Expired CA475859A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA475859T

Publications (1)

Publication Number Publication Date
CA475859A true CA475859A (en) 1951-08-07

Family

ID=35609851

Family Applications (1)

Application Number Title Priority Date Filing Date
CA475859A Expired CA475859A (en) Metering circuit controls for automatic telephone systems

Country Status (1)

Country Link
CA (1) CA475859A (en)

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