BE874360A - SYSTEM OF CIRCUITS FOR THE COMPENSATION OF HARMONICS - Google Patents
SYSTEM OF CIRCUITS FOR THE COMPENSATION OF HARMONICSInfo
- Publication number
- BE874360A BE874360A BE193624A BE193624A BE874360A BE 874360 A BE874360 A BE 874360A BE 193624 A BE193624 A BE 193624A BE 193624 A BE193624 A BE 193624A BE 874360 A BE874360 A BE 874360A
- Authority
- BE
- Belgium
- Prior art keywords
- harmonics
- compensation
- circuits
- Prior art date
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
- H04M1/505—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 signals generated in digital form
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2808256A DE2808256C2 (en) | 1978-02-25 | 1978-02-25 | Circuit arrangement for compensating harmonics |
Publications (1)
Publication Number | Publication Date |
---|---|
BE874360A true BE874360A (en) | 1979-06-18 |
Family
ID=6032996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE193624A BE874360A (en) | 1978-02-25 | 1979-02-22 | SYSTEM OF CIRCUITS FOR THE COMPENSATION OF HARMONICS |
Country Status (6)
Country | Link |
---|---|
AT (1) | ATA144379A (en) |
BE (1) | BE874360A (en) |
DE (1) | DE2808256C2 (en) |
ES (1) | ES477991A1 (en) |
FR (1) | FR2418586A1 (en) |
IT (1) | IT1111800B (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2023617A1 (en) * | 1970-05-14 | 1971-12-02 | Bosch Gmbh Robert | Electric filter |
US4061886A (en) * | 1975-09-29 | 1977-12-06 | Mostek Corporation | Dual tone multiple frequency generator |
-
1978
- 1978-02-25 DE DE2808256A patent/DE2808256C2/en not_active Expired
-
1979
- 1979-02-22 BE BE193624A patent/BE874360A/en not_active IP Right Cessation
- 1979-02-23 ES ES477991A patent/ES477991A1/en not_active Expired
- 1979-02-23 FR FR7904752A patent/FR2418586A1/en not_active Withdrawn
- 1979-02-23 AT AT0144379A patent/ATA144379A/en not_active IP Right Cessation
- 1979-02-23 IT IT20494/79A patent/IT1111800B/en active
Also Published As
Publication number | Publication date |
---|---|
ES477991A1 (en) | 1979-07-01 |
DE2808256C2 (en) | 1984-05-30 |
ATA144379A (en) | 1983-02-15 |
IT7920494A0 (en) | 1979-02-23 |
FR2418586A1 (en) | 1979-09-21 |
IT1111800B (en) | 1986-01-13 |
DE2808256A1 (en) | 1979-09-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: LICENTIA PATENT-VERWALTUNGS G.M.B.H. Effective date: 19840222 |