FR744056A - - Google Patents
Info
- Publication number
- FR744056A FR744056A FR744056DA FR744056A FR 744056 A FR744056 A FR 744056A FR 744056D A FR744056D A FR 744056DA FR 744056 A FR744056 A FR 744056A
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/04—Switchboards
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES101289D DE591973C (de) | 1931-10-07 | 1931-10-07 | Schaltungsanordnung fuer handbediente Telegraphenvermittlungsanlagen mit beiderseitiger Schlusszeichengabe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR744056A true FR744056A (zh) | 1933-04-10 |
Family
ID=7523658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR744056D Expired FR744056A (zh) | 1931-10-07 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE391432A (zh) |
| DE (1) | DE591973C (zh) |
| FR (1) | FR744056A (zh) |
-
0
- FR FR744056D patent/FR744056A/fr not_active Expired
- BE BE391432D patent/BE391432A/xx unknown
-
1931
- 1931-10-07 DE DES101289D patent/DE591973C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE391432A (zh) | |
| DE591973C (de) | 1934-01-30 |