AT336691B - CIRCUIT ARRANGEMENT FOR A TELEPHONE SUPPLIED FROM THE SUBSCRIBER LINE - Google Patents
CIRCUIT ARRANGEMENT FOR A TELEPHONE SUPPLIED FROM THE SUBSCRIBER LINEInfo
- Publication number
- AT336691B AT336691B AT776172A AT776172A AT336691B AT 336691 B AT336691 B AT 336691B AT 776172 A AT776172 A AT 776172A AT 776172 A AT776172 A AT 776172A AT 336691 B AT336691 B AT 336691B
- Authority
- AT
- Austria
- Prior art keywords
- circuit arrangement
- subscriber line
- telephone
- telephone supplied
- supplied
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
-
- 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
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
- H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Relay Circuits (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4255071 | 1971-09-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA776172A ATA776172A (en) | 1976-09-15 |
AT336691B true AT336691B (en) | 1977-05-25 |
Family
ID=10424913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT776172A AT336691B (en) | 1971-09-13 | 1972-09-08 | CIRCUIT ARRANGEMENT FOR A TELEPHONE SUPPLIED FROM THE SUBSCRIBER LINE |
Country Status (10)
Country | Link |
---|---|
AR (1) | AR193433A1 (en) |
AT (1) | AT336691B (en) |
AU (1) | AU4603872A (en) |
BE (1) | BE788732A (en) |
CH (1) | CH556623A (en) |
DE (1) | DE2243994A1 (en) |
FR (1) | FR2153982A5 (en) |
GB (1) | GB1318858A (en) |
IT (1) | IT967355B (en) |
ZA (1) | ZA724726B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2238225A1 (en) * | 1972-08-03 | 1974-02-14 | Itt Ind Gmbh Deutsche | OPERATING WIRING OF A TELEPHONE SET |
GB1394148A (en) * | 1972-09-11 | 1975-05-14 | Int Standard Electric Corp | Push-button telphone subset |
DE3340396C2 (en) * | 1983-11-09 | 1987-05-07 | Hagenuk GmbH, 2300 Kiel | Circuit arrangement for a ringing signal generator |
-
0
- BE BE788732D patent/BE788732A/en unknown
-
1971
- 1971-09-13 GB GB4255071A patent/GB1318858A/en not_active Expired
-
1972
- 1972-07-11 ZA ZA724726A patent/ZA724726B/en unknown
- 1972-08-28 AU AU46038/72A patent/AU4603872A/en not_active Expired
- 1972-09-06 AR AR243947A patent/AR193433A1/en active
- 1972-09-07 DE DE2243994A patent/DE2243994A1/en active Pending
- 1972-09-08 AT AT776172A patent/AT336691B/en not_active IP Right Cessation
- 1972-09-12 CH CH1332572A patent/CH556623A/en not_active IP Right Cessation
- 1972-09-12 IT IT29062/72A patent/IT967355B/en active
- 1972-09-13 FR FR7232373A patent/FR2153982A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1318858A (en) | 1973-05-31 |
AR193433A1 (en) | 1973-04-23 |
ZA724726B (en) | 1973-03-28 |
FR2153982A5 (en) | 1973-05-04 |
DE2243994A1 (en) | 1973-03-22 |
BE788732A (en) | 1973-03-13 |
AU4603872A (en) | 1974-03-07 |
ATA776172A (en) | 1976-09-15 |
IT967355B (en) | 1974-02-28 |
CH556623A (en) | 1974-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |