AU409494B2 - Telephone signalling - Google Patents

Telephone signalling

Info

Publication number
AU409494B2
AU409494B2 AU63309/65A AU6330965A AU409494B2 AU 409494 B2 AU409494 B2 AU 409494B2 AU 63309/65 A AU63309/65 A AU 63309/65A AU 6330965 A AU6330965 A AU 6330965A AU 409494 B2 AU409494 B2 AU 409494B2
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
AU63309/65A
Other versions
AU6330965A (en
Inventor
Gordon Wormald Ernest
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 filed Critical
Priority to AU63309/65A priority Critical patent/AU409494B2/en
Publication of AU6330965A publication Critical patent/AU6330965A/en
Application granted granted Critical
Publication of AU409494B2 publication Critical patent/AU409494B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of dc pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
AU63309/65A 1966-08-15 1966-08-15 Telephone signalling Expired AU409494B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU63309/65A AU409494B2 (en) 1966-08-15 1966-08-15 Telephone signalling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU63309/65A AU409494B2 (en) 1966-08-15 1966-08-15 Telephone signalling

Publications (2)

Publication Number Publication Date
AU6330965A AU6330965A (en) 1968-02-15
AU409494B2 true AU409494B2 (en) 1971-01-05

Family

ID=3748151

Family Applications (1)

Application Number Title Priority Date Filing Date
AU63309/65A Expired AU409494B2 (en) 1966-08-15 1966-08-15 Telephone signalling

Country Status (1)

Country Link
AU (1) AU409494B2 (en)

Also Published As

Publication number Publication date
AU6330965A (en) 1968-02-15

Similar Documents

Publication Publication Date Title
AU409494B2 (en) Telephone signalling
CA740065A (en) Telephone signalling systems
CA735038A (en) Telephone signalling circuits
CA739698A (en) Electrical signalling devices
CA792307A (en) Telephone set
AU424434B2 (en) Telephone extension system
AU409659B2 (en) Telephone system
CA735572A (en) Telephone system
AU2496267A (en) Telephone signalling
AU2630667A (en) Telephone signalling
AU1176066A (en) Telephone extension system
CA738666A (en) Signalling device
CA746247A (en) Signalling device
AU1823267A (en) Telephone system
CA761546A (en) Telephone signaling system
CA709038A (en) Telephone signalling circuits
CA735030A (en) Telecommunication systems
CA737060A (en) Loud-speaking telephone
AU279324B2 (en) Telephone switchboard keyshelf
CA733667A (en) Signalling system
CA742344A (en) Well signaling system
AU2678367A (en) Telephone signalling
AU2551067A (en) Telephone signalling
AU2434467A (en) Telephone signalling
AU2619767A (en) Telephone signalling