CA800074A - Direct key calling telephone station having binary converting means - Google Patents

Direct key calling telephone station having binary converting means

Info

Publication number
CA800074A
CA800074A CA800074A CA800074DA CA800074A CA 800074 A CA800074 A CA 800074A CA 800074 A CA800074 A CA 800074A CA 800074D A CA800074D A CA 800074DA CA 800074 A CA800074 A CA 800074A
Authority
CA
Canada
Prior art keywords
converting means
telephone station
calling telephone
direct key
key calling
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
CA800074A
Inventor
Vaccaro Angelo
F. E. Dixon Harold
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.)
Columbia Controls Research Corp
Original Assignee
Columbia Controls Research Corp
Publication date
Application granted granted Critical
Publication of CA800074A publication Critical patent/CA800074A/en
Expired legal-status Critical Current

Links

CA800074A Direct key calling telephone station having binary converting means Expired CA800074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA800074T

Publications (1)

Publication Number Publication Date
CA800074A true CA800074A (en) 1968-11-26

Family

ID=36268085

Family Applications (1)

Application Number Title Priority Date Filing Date
CA800074A Expired CA800074A (en) Direct key calling telephone station having binary converting means

Country Status (1)

Country Link
CA (1) CA800074A (en)

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