FI40640B - - Google Patents
Info
- Publication number
- FI40640B FI40640B FI163861A FI163861A FI40640B FI 40640 B FI40640 B FI 40640B FI 163861 A FI163861 A FI 163861A FI 163861 A FI163861 A FI 163861A FI 40640 B FI40640 B FI 40640B
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE958560 | 1960-10-07 | ||
| SE812461 | 1961-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI40640B true FI40640B (US06342305-20020129-C00040.png) | 1968-12-31 |
Family
ID=26654820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI163861A FI40640B (US06342305-20020129-C00040.png) | 1960-10-07 | 1961-09-19 |
Country Status (5)
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL168862B (nl) * | 1951-04-18 | Dynamit Nobel Ag | Werkwijze voor het plakken van materialen, zoals papier, leder, hout en kunststoffen onder toepassing van een smeltkleefstof op polyesterbasis. | |
| BE510952A (US06342305-20020129-C00040.png) * | 1957-05-10 |
-
0
- NL NL269902D patent/NL269902A/xx unknown
-
1961
- 1961-09-19 FI FI163861A patent/FI40640B/fi active
- 1961-09-29 GB GB3537461A patent/GB971265A/en not_active Expired
- 1961-10-06 DE DET20910A patent/DE1204273B/de active Pending
- 1961-10-06 BE BE608939A patent/BE608939A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1204273B (de) | 1965-11-04 |
| NL269902A (US06342305-20020129-C00040.png) | |
| BE608939A (fr) | 1962-02-01 |
| GB971265A (en) | 1964-09-30 |
