SE346440B - - Google Patents
Info
- Publication number
- SE346440B SE346440B SE794169A SE794169A SE346440B SE 346440 B SE346440 B SE 346440B SE 794169 A SE794169 A SE 794169A SE 794169 A SE794169 A SE 794169A SE 346440 B SE346440 B SE 346440B
- Authority
- SE
- Sweden
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
-
- 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
- H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of DC signals of alternating polarity, coded pulses or impedance dialling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT543668A AT308846B (de) | 1968-06-07 | 1968-06-07 | Schaltungsanordnung für fernmeldetechnische Einrichtungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE346440B true SE346440B (enrdf_load_stackoverflow) | 1972-07-03 |
Family
ID=3575776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE794169A SE346440B (enrdf_load_stackoverflow) | 1968-06-07 | 1969-06-05 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT308846B (enrdf_load_stackoverflow) |
| BE (1) | BE734136A (enrdf_load_stackoverflow) |
| DE (1) | DE1927721A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2010366A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1238103A (enrdf_load_stackoverflow) |
| NL (1) | NL6908704A (enrdf_load_stackoverflow) |
| SE (1) | SE346440B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4744103A (en) * | 1985-11-27 | 1988-05-10 | Rauland-Borg Corporation | Computer controlled multi-link communication system |
-
1968
- 1968-06-07 AT AT543668A patent/AT308846B/de not_active IP Right Cessation
-
1969
- 1969-05-30 DE DE19691927721 patent/DE1927721A1/de active Pending
- 1969-06-05 SE SE794169A patent/SE346440B/xx unknown
- 1969-06-05 GB GB1238103D patent/GB1238103A/en not_active Expired
- 1969-06-06 NL NL6908704A patent/NL6908704A/xx unknown
- 1969-06-06 BE BE734136D patent/BE734136A/xx unknown
- 1969-06-06 FR FR6918676A patent/FR2010366A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1238103A (enrdf_load_stackoverflow) | 1971-07-07 |
| DE1927721A1 (de) | 1969-12-11 |
| BE734136A (enrdf_load_stackoverflow) | 1969-12-08 |
| NL6908704A (enrdf_load_stackoverflow) | 1969-12-09 |
| AT308846B (de) | 1973-07-25 |
| FR2010366A1 (enrdf_load_stackoverflow) | 1970-02-13 |