AU509100B2 - Telephone - Google Patents
TelephoneInfo
- Publication number
- AU509100B2 AU509100B2 AU37105/78A AU3710578A AU509100B2 AU 509100 B2 AU509100 B2 AU 509100B2 AU 37105/78 A AU37105/78 A AU 37105/78A AU 3710578 A AU3710578 A AU 3710578A AU 509100 B2 AU509100 B2 AU 509100B2
- Authority
- AU
- Australia
- Prior art keywords
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Electric Clocks (AREA)
- Meter Arrangements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2733661A DE2733661B2 (en) | 1977-07-26 | 1977-07-26 | Telephone with acoustic signaling of the dialing process |
DEDE273366 | 1977-07-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU3710578A AU3710578A (en) | 1979-12-20 |
AU509100B2 true AU509100B2 (en) | 1980-04-17 |
Family
ID=6014865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU37105/78A Expired AU509100B2 (en) | 1977-07-26 | 1978-06-14 | Telephone |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU509100B2 (en) |
BR (1) | BR7804775A (en) |
DE (1) | DE2733661B2 (en) |
FI (1) | FI782260A7 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2903298C2 (en) * | 1979-01-29 | 1983-10-27 | Siemens AG, 1000 Berlin und 8000 München | Circuit arrangement for acoustic monitoring of the dialing process in telephone stations |
AT395665B (en) * | 1990-11-20 | 1993-02-25 | Austria Mikrosysteme Int | CIRCUIT ARRANGEMENT FOR A LOOP-POWERED TELEPHONE PARTNER STATION |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1083352B (en) * | 1959-06-15 | 1960-06-15 | Siemens Ag | Circuit arrangement for subscriber stations in telephone systems with tone frequency selection |
GB1303244A (en) * | 1969-05-15 | 1973-01-17 |
-
1977
- 1977-07-26 DE DE2733661A patent/DE2733661B2/en not_active Withdrawn
-
1978
- 1978-06-14 AU AU37105/78A patent/AU509100B2/en not_active Expired
- 1978-07-17 FI FI782260A patent/FI782260A7/en not_active Application Discontinuation
- 1978-07-25 BR BR7804775A patent/BR7804775A/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU3710578A (en) | 1979-12-20 |
FI782260A7 (en) | 1979-01-27 |
BR7804775A (en) | 1979-04-17 |
DE2733661A1 (en) | 1979-02-01 |
DE2733661B2 (en) | 1981-05-27 |
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