AT359565B - CIRCUIT ARRANGEMENT FOR THE SUPPLY OF ELECTRONIC COMPONENTS FROM A CHARGE STORAGE RECHARGEABLE THROUGH THE SUBSCRIBER CONNECTION LINE - Google Patents
CIRCUIT ARRANGEMENT FOR THE SUPPLY OF ELECTRONIC COMPONENTS FROM A CHARGE STORAGE RECHARGEABLE THROUGH THE SUBSCRIBER CONNECTION LINEInfo
- Publication number
- AT359565B AT359565B AT677678A AT677678A AT359565B AT 359565 B AT359565 B AT 359565B AT 677678 A AT677678 A AT 677678A AT 677678 A AT677678 A AT 677678A AT 359565 B AT359565 B AT 359565B
- Authority
- AT
- Austria
- Prior art keywords
- supply
- electronic components
- charge storage
- connection line
- circuit arrangement
- 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)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT677678A AT359565B (en) | 1978-09-20 | 1978-09-20 | CIRCUIT ARRANGEMENT FOR THE SUPPLY OF ELECTRONIC COMPONENTS FROM A CHARGE STORAGE RECHARGEABLE THROUGH THE SUBSCRIBER CONNECTION LINE |
DE19792927474 DE2927474A1 (en) | 1978-09-20 | 1979-07-06 | Supply circuit for pushbutton selection keyboard - is used in telephone pulsed selection and has voltage divider, energy store and depletion FET |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT677678A AT359565B (en) | 1978-09-20 | 1978-09-20 | CIRCUIT ARRANGEMENT FOR THE SUPPLY OF ELECTRONIC COMPONENTS FROM A CHARGE STORAGE RECHARGEABLE THROUGH THE SUBSCRIBER CONNECTION LINE |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA677678A ATA677678A (en) | 1980-04-15 |
AT359565B true AT359565B (en) | 1980-11-25 |
Family
ID=3589645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT677678A AT359565B (en) | 1978-09-20 | 1978-09-20 | CIRCUIT ARRANGEMENT FOR THE SUPPLY OF ELECTRONIC COMPONENTS FROM A CHARGE STORAGE RECHARGEABLE THROUGH THE SUBSCRIBER CONNECTION LINE |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT359565B (en) |
DE (1) | DE2927474A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2126047A (en) * | 1982-08-25 | 1984-03-14 | Philips Electronic Associated | Telephone circuit |
DE3502988C2 (en) * | 1985-01-30 | 1987-05-07 | Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt | Circuit arrangement for line supply of additional equipment of a telephone set |
DE3512327A1 (en) * | 1985-04-03 | 1986-10-09 | Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin | Circuit arrangement for powering an electronic dialling device in telephone subscriber stations |
DE3612823A1 (en) * | 1986-04-14 | 1987-10-15 | Deutsche Telephonwerk Kabel | Circuit arrangement for feeding electrically erasable and programmable non-volatile memories in telephone terminals |
WO1988008234A1 (en) * | 1987-04-09 | 1988-10-20 | Standard Telephones And Cables Pty. Ltd. | Telephone subset circuit arrangement |
DE3801841A1 (en) * | 1988-01-20 | 1989-08-03 | Deutsche Telephonwerk Kabel | Circuit arrangement for dial keypads in communications terminals |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2622731A1 (en) * | 1976-05-21 | 1977-12-08 | Merk Gmbh Telefonbau Fried | Circuit for telephone subscriber stations - has capacitor charged by subscriber line and delivering power to dialling pulse generator |
-
1978
- 1978-09-20 AT AT677678A patent/AT359565B/en not_active IP Right Cessation
-
1979
- 1979-07-06 DE DE19792927474 patent/DE2927474A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2927474C2 (en) | 1988-04-07 |
ATA677678A (en) | 1980-04-15 |
DE2927474A1 (en) | 1980-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |