BE463241A - - Google Patents
Info
- Publication number
- BE463241A BE463241A BE463241DA BE463241A BE 463241 A BE463241 A BE 463241A BE 463241D A BE463241D A BE 463241DA BE 463241 A BE463241 A BE 463241A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
- H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR909514T | 1943-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE463241A true BE463241A (es) |
Family
ID=9408038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE463241D BE463241A (es) | 1943-05-12 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE463241A (es) |
| FR (1) | FR909514A (es) |
-
0
- BE BE463241D patent/BE463241A/xx unknown
-
1943
- 1943-05-12 FR FR909514D patent/FR909514A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR909514A (fr) | 1946-05-10 |