FR848017A - - Google Patents
Info
- Publication number
- FR848017A FR848017A FR848017DA FR848017A FR 848017 A FR848017 A FR 848017A FR 848017D A FR848017D A FR 848017DA FR 848017 A FR848017 A FR 848017A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/08—Arrangements for combining channels
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE523069X | 1937-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR848017A true FR848017A (pt) | 1939-10-20 |
Family
ID=6551850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR848017D Expired FR848017A (pt) | 1937-12-27 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR848017A (pt) |
| GB (1) | GB523069A (pt) |
-
0
- FR FR848017D patent/FR848017A/fr not_active Expired
-
1938
- 1938-12-23 GB GB37465/38A patent/GB523069A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB523069A (en) | 1940-07-04 |