BE415296A - - Google Patents
Info
- Publication number
- BE415296A BE415296A BE415296DA BE415296A BE 415296 A BE415296 A BE 415296A BE 415296D A BE415296D A BE 415296DA BE 415296 A BE415296 A BE 415296A
- 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
- H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
- H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2153313X | 1935-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE415296A true BE415296A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=7987537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE415296D BE415296A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1935-04-30 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2153313A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| BE (1) | BE415296A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2429911A (en) * | 1942-04-20 | 1947-10-28 | Automatic Elect Lab | Multiexchange impulse repeating system |
| US2508412A (en) * | 1945-03-29 | 1950-05-23 | Bendix Aviat Corp | Method of and apparatus for checking frequency characteristics |
| DE970916C (de) * | 1952-12-18 | 1958-11-13 | Standard Elek K Lorenz Ag | UEbertragung von Signalen mittels Wechselstromimpulsen |
-
0
- BE BE415296D patent/BE415296A/xx unknown
-
1936
- 1936-04-27 US US76663A patent/US2153313A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2153313A (en) | 1939-04-04 |