LU30785A1 - - Google Patents
Info
- Publication number
- LU30785A1 LU30785A1 LU30785DA LU30785A1 LU 30785 A1 LU30785 A1 LU 30785A1 LU 30785D A LU30785D A LU 30785DA LU 30785 A1 LU30785 A1 LU 30785A1
- Authority
- LU
- Luxembourg
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
- H04Q1/50—Conversion between different kinds of signals
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 |
|---|---|---|---|
| GB1294851A GB703716A (en) | 1951-05-31 | 1951-05-31 | Improvements in or relating to circuit arrangement for impulse control in telephone installations |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU30785A1 true LU30785A1 (en:Method) |
Family
ID=10014070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU30785D LU30785A1 (en:Method) | 1951-05-31 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB703716A (en:Method) |
| LU (1) | LU30785A1 (en:Method) |
-
0
- LU LU30785D patent/LU30785A1/xx unknown
-
1951
- 1951-05-31 GB GB1294851A patent/GB703716A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB703716A (en) | 1954-02-10 |