FI41755B - - Google Patents
Info
- Publication number
- FI41755B FI41755B FI135763A FI135763A FI41755B FI 41755 B FI41755 B FI 41755B FI 135763 A FI135763 A FI 135763A FI 135763 A FI135763 A FI 135763A FI 41755 B FI41755 B FI 41755B
- Authority
- FI
- Finland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/76—Compensating for differences in line impedance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/06—Control of transmission; Equalising by the transmitted signal
- H04B3/08—Control of transmission; Equalising by the transmitted signal in negative-feedback path of line amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES80337A DE1170012B (de) | 1962-07-10 | 1962-07-10 | Schaltungsanordnung zum Ausgleich der unterschliedlichen Daempfung verschieden langer Fernmeldeleitungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI41755B true FI41755B (nl) | 1969-10-31 |
Family
ID=7508814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI135763A FI41755B (nl) | 1962-07-10 | 1963-07-09 |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH419243A (nl) |
| DE (1) | DE1170012B (nl) |
| FI (1) | FI41755B (nl) |
| GB (1) | GB1008989A (nl) |
| NL (2) | NL145119B (nl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3716835A1 (de) * | 1987-05-20 | 1988-12-01 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung fuer eine zentralgespeiste fernsprechteilnehmerstation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE975971C (de) * | 1955-04-05 | 1962-12-27 | Angelika Kunckel | Tragbarer Fernsprechapparat mit Ortsbatterie |
| DE1060916B (de) * | 1955-11-16 | 1959-07-09 | Heinz Kunckel | Vermittlungseinrichtung fuer tragbare Fernsprechapparate mit OB-Betrieb |
-
0
- NL NL294155D patent/NL294155A/xx unknown
-
1962
- 1962-07-10 DE DES80337A patent/DE1170012B/de active Pending
- 1962-07-12 GB GB2708263A patent/GB1008989A/en not_active Expired
-
1963
- 1963-05-31 CH CH690663A patent/CH419243A/de unknown
- 1963-06-17 NL NL294155A patent/NL145119B/nl unknown
- 1963-07-09 FI FI135763A patent/FI41755B/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| NL294155A (nl) | |
| GB1008989A (en) | 1965-11-03 |
| NL145119B (nl) | 1975-02-17 |
| DE1170012B (de) | 1964-05-14 |
| CH419243A (de) | 1966-08-31 |