SE310375B - - Google Patents
Info
- Publication number
- SE310375B SE310375B SE237362A SE237362A SE310375B SE 310375 B SE310375 B SE 310375B SE 237362 A SE237362 A SE 237362A SE 237362 A SE237362 A SE 237362A SE 310375 B SE310375 B SE 310375B
- Authority
- SE
- Sweden
- Prior art keywords
- relays
- relay
- line
- busy tone
- march
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL262148 | 1961-03-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE310375B true SE310375B (xx) | 1969-04-28 |
Family
ID=19752918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE237362A SE310375B (xx) | 1961-03-08 | 1962-03-05 |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH391007A (xx) |
DE (1) | DE1178472B (xx) |
GB (1) | GB937086A (xx) |
NL (1) | NL262148A (xx) |
SE (1) | SE310375B (xx) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE763193C (xx) * | ||||
NL82979C (xx) * | 1950-10-06 |
-
0
- NL NL262148D patent/NL262148A/xx unknown
-
1962
- 1962-03-05 SE SE237362A patent/SE310375B/xx unknown
- 1962-03-05 GB GB843362A patent/GB937086A/en not_active Expired
- 1962-03-05 CH CH263662A patent/CH391007A/de unknown
- 1962-03-05 DE DEN21300A patent/DE1178472B/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1178472B (de) | 1964-09-24 |
CH391007A (de) | 1965-04-30 |
GB937086A (en) | 1963-09-18 |
NL262148A (xx) |
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