CA728738A - Open line and busy line detection circuit - Google Patents

Open line and busy line detection circuit

Info

Publication number
CA728738A
CA728738A CA728738A CA728738DA CA728738A CA 728738 A CA728738 A CA 728738A CA 728738 A CA728738 A CA 728738A CA 728738D A CA728738D A CA 728738DA CA 728738 A CA728738 A CA 728738A
Authority
CA
Canada
Prior art keywords
line
detection circuit
busy
open
line detection
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
CA728738A
Inventor
A. Johnsen 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.)
AT&T Teletype Corp
Original Assignee
Teletype Corp
Publication date
Application granted granted Critical
Publication of CA728738A publication Critical patent/CA728738A/en
Expired legal-status Critical Current

Links

CA728738A Open line and busy line detection circuit Expired CA728738A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA728738T

Publications (1)

Publication Number Publication Date
CA728738A true CA728738A (en) 1966-02-22

Family

ID=36067655

Family Applications (1)

Application Number Title Priority Date Filing Date
CA728738A Expired CA728738A (en) Open line and busy line detection circuit

Country Status (1)

Country Link
CA (1) CA728738A (en)

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