FR777218A - Improvements to electrical carrier wave transmission systems - Google Patents
Improvements to electrical carrier wave transmission systemsInfo
- Publication number
- FR777218A FR777218A FR777218DA FR777218A FR 777218 A FR777218 A FR 777218A FR 777218D A FR777218D A FR 777218DA FR 777218 A FR777218 A FR 777218A
- Authority
- FR
- France
- Prior art keywords
- carrier wave
- wave transmission
- transmission systems
- electrical carrier
- electrical
- Prior art date
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/007—Telephonic communication systems specially adapted for combination with other electrical systems with remote control systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Automation & Control Theory (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR46775T | 1935-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR777218A true FR777218A (en) | 1935-02-14 |
Family
ID=8682352
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR777218D Expired FR777218A (en) | 1935-04-30 | 1933-11-02 | Improvements to electrical carrier wave transmission systems |
FR46775D Expired FR46775E (en) | 1935-04-30 | 1935-04-30 | Improvements to electrical carrier wave transmission systems |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR46775D Expired FR46775E (en) | 1935-04-30 | 1935-04-30 | Improvements to electrical carrier wave transmission systems |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR777218A (en) |
-
1933
- 1933-11-02 FR FR777218D patent/FR777218A/en not_active Expired
-
1935
- 1935-04-30 FR FR46775D patent/FR46775E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR46775E (en) | 1936-09-11 |
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