SE7109724L - - Google Patents
Info
- Publication number
- SE7109724L SE7109724L SE7109724A SE7109724A SE7109724L SE 7109724 L SE7109724 L SE 7109724L SE 7109724 A SE7109724 A SE 7109724A SE 7109724 A SE7109724 A SE 7109724A SE 7109724 L SE7109724 L SE 7109724L
- Authority
- SE
- Sweden
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7109724T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE7109724L true SE7109724L (fr) | 1972-01-31 |
Family
ID=43978972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7109724A SE7109724L (fr) |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE7109724L (fr) |
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0
- SE SE7109724A patent/SE7109724L/xx unknown