AU2619767A - Telephone signalling - Google Patents
Telephone signallingInfo
- 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
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
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
- H04Q1/4423—Signalling 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)
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) |
-
1968
- 1968-07-24 AU AU26197/67A patent/AU2619767A/en not_active Expired
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