BE630604A - - Google Patents
Info
- Publication number
- BE630604A BE630604A BE630604DA BE630604A BE 630604 A BE630604 A BE 630604A BE 630604D A BE630604D A BE 630604DA BE 630604 A BE630604 A BE 630604A
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES78840A DE1159518B (de) | 1962-04-04 | 1962-04-04 | Schaltungsanordnung zur selektiven Auswertung einer Signalspannung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE630604A true BE630604A (US07608600-20091027-C00054.png) |
Family
ID=7507765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE630604D BE630604A (US07608600-20091027-C00054.png) | 1962-04-04 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE630604A (US07608600-20091027-C00054.png) |
| DE (1) | DE1159518B (US07608600-20091027-C00054.png) |
-
0
- BE BE630604D patent/BE630604A/xx unknown
-
1962
- 1962-04-04 DE DES78840A patent/DE1159518B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1159518B (de) | 1963-12-19 |
