AU5509273A - Frequency selective network for telephone subset - Google Patents
Frequency selective network for telephone subsetInfo
- Publication number
- AU5509273A AU5509273A AU55092/73A AU5509273A AU5509273A AU 5509273 A AU5509273 A AU 5509273A AU 55092/73 A AU55092/73 A AU 55092/73A AU 5509273 A AU5509273 A AU 5509273A AU 5509273 A AU5509273 A AU 5509273A
- Authority
- AU
- Australia
- Prior art keywords
- frequency selective
- selective network
- telephone subset
- subset
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/50—Devices which can set up and transmit only one digit at a time by generating or selecting currents of predetermined frequencies or combinations of frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2212972A GB1386700A (en) | 1972-05-11 | 1972-05-11 | Voice frequency signaling arrangement for telephone subset |
GBGB22129/72 | 1972-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
AU5509273A true AU5509273A (en) | 1974-11-07 |
Family
ID=10174367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU55092/73A Expired AU5509273A (en) | 1972-05-11 | 1973-05-02 | Frequency selective network for telephone subset |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU5509273A (en) |
GB (1) | GB1386700A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2719413B1 (en) * | 1994-04-28 | 1996-07-26 | Sextant Avionique | Method for obtaining a resistance of determined value. |
-
1972
- 1972-05-11 GB GB2212972A patent/GB1386700A/en not_active Expired
-
1973
- 1973-05-02 AU AU55092/73A patent/AU5509273A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1386700A (en) | 1975-03-12 |
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