NL80278C - - Google Patents
Info
- Publication number
- NL80278C NL80278C NL80278DA NL80278C NL 80278 C NL80278 C NL 80278C NL 80278D A NL80278D A NL 80278DA NL 80278 C NL80278 C NL 80278C
- Authority
- NL
- Netherlands
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1045244T | 1951-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL80278C true NL80278C (fr) |
Family
ID=9591560
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL167366D NL167366A (fr) | 1951-11-19 | ||
| NL80278D NL80278C (fr) | 1951-11-19 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL167366D NL167366A (fr) | 1951-11-19 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1045244A (fr) |
| NL (2) | NL80278C (fr) |
-
0
- NL NL167366D patent/NL167366A/xx unknown
- NL NL80278D patent/NL80278C/xx active
-
1951
- 1951-11-19 FR FR1045244D patent/FR1045244A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1045244A (fr) | 1953-11-24 |
| NL167366A (fr) |