AU2619767A - Telephone signalling - Google Patents

Telephone signalling

Info

Publication number
AU2619767A
AU2619767A AU26197/67A AU2619767A AU2619767A AU 2619767 A AU2619767 A AU 2619767A AU 26197/67 A AU26197/67 A AU 26197/67A AU 2619767 A AU2619767 A AU 2619767A AU 2619767 A AU2619767 A AU 2619767A
Authority
AU
Australia
Prior art keywords
telephone signalling
signalling
telephone
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
AU26197/67A
Inventor
Gordon Wormald Ernest
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.)
Telephone and Electrical Inddustries Pty Ltd
Original Assignee
Telephone and Electrical Inddustries Pty Ltd
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 date
Application filed by Telephone and Electrical Inddustries Pty Ltd filed Critical Telephone and Electrical Inddustries Pty Ltd
Priority to AU26197/67A priority Critical patent/AU2619767A/en
Publication of AU2619767A publication Critical patent/AU2619767A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q1/00Details of selecting apparatus or arrangements
    • H04Q1/18Electrical details
    • H04Q1/30Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/442Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
AU26197/67A 1968-07-24 1968-07-24 Telephone signalling Expired AU2619767A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU26197/67A AU2619767A (en) 1968-07-24 1968-07-24 Telephone signalling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU26197/67A AU2619767A (en) 1968-07-24 1968-07-24 Telephone signalling

Publications (1)

Publication Number Publication Date
AU2619767A true AU2619767A (en) 1970-07-29

Family

ID=3714800

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26197/67A Expired AU2619767A (en) 1968-07-24 1968-07-24 Telephone signalling

Country Status (1)

Country Link
AU (1) AU2619767A (en)

Similar Documents

Publication Publication Date Title
CA926780A (en) Telecommunications systems
CA869173A (en) Telephone switching system
CA792307A (en) Telephone set
AU2434467A (en) Telephone signalling
AU2551067A (en) Telephone signalling
AU2678367A (en) Telephone signalling
AU2619767A (en) Telephone signalling
CA792301A (en) Time division telephone signaling
CA801832A (en) Telephone extension system
CA792853A (en) Telephone system
CA776803A (en) Telephone system
CA800671A (en) Telephone switchhook
CA802337A (en) Telephone systems
AU409494B2 (en) Telephone signalling
AU447569B2 (en) Telephone subset
AU448355B2 (en) Telephone subset
AU447423B2 (en) Telephone subset
CA802338A (en) Acoustic signalling means particularly for telephone sets
CA798942A (en) Hand telephone set
AU421492B2 (en) Telecommunication system
CA782007A (en) Telephone answering system
AU419441B2 (en) Telephone switching system
CA801995A (en) Loud-speaker
AU436036B2 (en) Telephone ringer
CA784960A (en) Telephone ringer