CA602932A - Telephone conference system - Google Patents

Telephone conference system

Info

Publication number
CA602932A
CA602932A CA602932A CA602932DA CA602932A CA 602932 A CA602932 A CA 602932A CA 602932 A CA602932 A CA 602932A CA 602932D A CA602932D A CA 602932DA CA 602932 A CA602932 A CA 602932A
Authority
CA
Canada
Prior art keywords
conference system
telephone conference
telephone
conference
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
CA602932A
Inventor
H. Lanham Edward
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA602932A publication Critical patent/CA602932A/en
Expired legal-status Critical Current

Links

CA602932A Telephone conference system Expired CA602932A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA602932T

Publications (1)

Publication Number Publication Date
CA602932A true CA602932A (en) 1960-08-02

Family

ID=35818728

Family Applications (1)

Application Number Title Priority Date Filing Date
CA602932A Expired CA602932A (en) Telephone conference system

Country Status (1)

Country Link
CA (1) CA602932A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511931A (en) * 1966-02-02 1970-05-12 Sylvania Electric Prod Conferencing networks employing virtual ground summation to obtain isolation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511931A (en) * 1966-02-02 1970-05-12 Sylvania Electric Prod Conferencing networks employing virtual ground summation to obtain isolation

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