AU404854B2 - Telephone conference circuit - Google Patents

Telephone conference circuit

Info

Publication number
AU404854B2
AU404854B2 AU68200/65A AU6820065A AU404854B2 AU 404854 B2 AU404854 B2 AU 404854B2 AU 68200/65 A AU68200/65 A AU 68200/65A AU 6820065 A AU6820065 A AU 6820065A AU 404854 B2 AU404854 B2 AU 404854B2
Authority
AU
Australia
Prior art keywords
telephone conference
conference circuit
circuit
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 - Lifetime
Application number
AU68200/65A
Inventor
Barbeau Caunt Wilmer Jr
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 Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication of AU404854B2 publication Critical patent/AU404854B2/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

AU68200/65A 1964-12-28 1965-12-22 Telephone conference circuit Expired - Lifetime AU404854B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS421316 1964-12-28

Publications (1)

Publication Number Publication Date
AU404854B2 true AU404854B2 (en)

Family

ID=

Similar Documents

Publication Publication Date Title
AU406949B2 (en) Telephone line circuit
AU404854B2 (en) Telephone conference circuit
CA791228A (en) Telephone conference circuit
CA698256A (en) Telephone ringer circuit
CA686869A (en) Telephone switching circuit
CA690628A (en) Telephone signaling circuit
CA678432A (en) Electronic switching telephone system
CA685666A (en) Electronic telephone switching system
CA692063A (en) Conference circuit for telephone switching systems
CA724742A (en) Telephone anti-sidetone circuit
CA684579A (en) Telephone calling equipment
CA633556A (en) Telephone conference circuit
CA676395A (en) Telephone ringing circuit
AU5672665A (en) Telephone switchboards
CA691487A (en) Telephone subset
CA641673A (en) Telephone switching circuit
AU282097B2 (en) Telephone ringer
CA682812A (en) Telephone terminal selectro system
CA646383A (en) Telephone line circuit
CA695532A (en) Telephone call disconnecting arrangement
CA682798A (en) Interrupter circuit for telephone systems
CA723240A (en) Intercommunication telephone circuit
CA700011A (en) Call awaiting signal telephone circuits
CA687558A (en) Telephone systems
CA690756A (en) Telephone systems