DK138097C - - Google Patents
Info
- Publication number
- DK138097C DK138097C DK46474A DK46474A DK138097C DK 138097 C DK138097 C DK 138097C DK 46474 A DK46474 A DK 46474A DK 46474 A DK46474 A DK 46474A DK 138097 C DK138097 C DK 138097C
- Authority
- DK
- Denmark
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/001—Two-way communication systems between a limited number of parties
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA162,417A CA954244A (en) | 1973-01-30 | 1973-01-30 | Mode selector for telephone station sets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK138097B DK138097B (da) | 1978-07-10 |
| DK138097C true DK138097C (fr) | 1978-11-27 |
Family
ID=4095684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK46474AA DK138097B (da) | 1973-01-30 | 1974-01-29 | Funktionsomskifter til brug i en abonnenstation i et telefonanlæg til alternativ tilkobling af et tilslutningsapparat til en telefonledning. |
Country Status (12)
| Country | Link |
|---|---|
| AU (1) | AU475150B2 (fr) |
| BE (1) | BE810399A (fr) |
| BR (1) | BR7400052D0 (fr) |
| CA (1) | CA954244A (fr) |
| DE (1) | DE2400025A1 (fr) |
| DK (1) | DK138097B (fr) |
| FR (1) | FR2215762B1 (fr) |
| GB (1) | GB1452315A (fr) |
| IE (1) | IE38542B1 (fr) |
| IT (1) | IT1007144B (fr) |
| NL (1) | NL7317766A (fr) |
| ZA (1) | ZA738562B (fr) |
-
1973
- 1973-01-30 CA CA162,417A patent/CA954244A/en not_active Expired
- 1973-11-07 ZA ZA738562A patent/ZA738562B/xx unknown
- 1973-11-20 GB GB5388373A patent/GB1452315A/en not_active Expired
- 1973-11-22 AU AU62817/73A patent/AU475150B2/en not_active Expired
- 1973-11-22 IE IE2125/73A patent/IE38542B1/xx unknown
- 1973-11-30 FR FR7342859A patent/FR2215762B1/fr not_active Expired
- 1973-12-28 NL NL7317766A patent/NL7317766A/xx not_active Application Discontinuation
-
1974
- 1974-01-02 DE DE2400025A patent/DE2400025A1/de not_active Ceased
- 1974-01-07 BR BR52/74A patent/BR7400052D0/pt unknown
- 1974-01-29 IT IT19926/74A patent/IT1007144B/it active
- 1974-01-29 DK DK46474AA patent/DK138097B/da unknown
- 1974-01-30 BE BE140379A patent/BE810399A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2215762A1 (fr) | 1974-08-23 |
| GB1452315A (en) | 1976-10-13 |
| AU475150B2 (en) | 1976-08-12 |
| FR2215762B1 (fr) | 1980-02-08 |
| DK138097B (da) | 1978-07-10 |
| BR7400052D0 (pt) | 1974-08-22 |
| AU6281773A (en) | 1975-05-22 |
| IT1007144B (it) | 1976-10-30 |
| CA954244A (en) | 1974-09-03 |
| DE2400025A1 (de) | 1974-08-01 |
| IE38542L (en) | 1974-07-20 |
| NL7317766A (fr) | 1974-08-01 |
| BE810399A (fr) | 1974-05-16 |
| IE38542B1 (en) | 1978-04-12 |
| ZA738562B (en) | 1974-10-30 |