CH270402A - Electrical telecommunications installation. - Google Patents
Electrical telecommunications installation.Info
- Publication number
- CH270402A CH270402A CH270402DA CH270402A CH 270402 A CH270402 A CH 270402A CH 270402D A CH270402D A CH 270402DA CH 270402 A CH270402 A CH 270402A
- Authority
- CH
- Switzerland
- Prior art keywords
- telecommunications installation
- electrical telecommunications
- electrical
- installation
- telecommunications
- Prior art date
Links
- 238000009434 installation Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR270402X | 1941-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH270402A true CH270402A (en) | 1950-08-31 |
Family
ID=8885881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH270402D CH270402A (en) | 1941-01-31 | 1947-10-03 | Electrical telecommunications installation. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2426223A (en) |
| BE (1) | BE480134A (en) |
| CH (1) | CH270402A (en) |
| FR (1) | FR959321A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102342740B1 (en) * | 2014-09-15 | 2021-12-23 | 삼성전자주식회사 | Method and transmitter for transmitting and receiving a signal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1621557A (en) * | 1923-06-27 | 1927-03-22 | American Telephone & Telegraph | Combined resonant shunt device for telegraph circuits |
| US2106352A (en) * | 1935-03-15 | 1938-01-25 | Bell Telephone Labor Inc | Teletypewriter station |
| BE435784A (en) * | 1938-08-04 | |||
| US2254342A (en) * | 1939-11-02 | 1941-09-02 | Teletype Corp | Receiver selection system |
-
0
- FR FR959321D patent/FR959321A/fr not_active Expired
- BE BE480134D patent/BE480134A/xx unknown
-
1943
- 1943-04-13 US US482904A patent/US2426223A/en not_active Expired - Lifetime
-
1947
- 1947-10-03 CH CH270402D patent/CH270402A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR959321A (en) | 1950-03-29 |
| US2426223A (en) | 1947-08-26 |
| BE480134A (en) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH266524A (en) | Electric transmission installation. | |
| NL57800C (en) | Electrical signaling system | |
| CH218490A (en) | Electric switch. | |
| CH266210A (en) | Telecommunication cables. | |
| CH237702A (en) | Electric selector. | |
| FR883332A (en) | electrical distribution equipment | |
| CH255843A (en) | Electric telecommunication system. | |
| CH268293A (en) | Electrical insulating material. | |
| CH267010A (en) | Telecommunications installation using electrical pulses. | |
| CH252897A (en) | Electric switch. | |
| CH253541A (en) | Electric razor. | |
| CH242436A (en) | Electric circuit breaker. | |
| CH226560A (en) | Electrical conversion assembly. | |
| CH270402A (en) | Electrical telecommunications installation. | |
| CH226322A (en) | Electric switch. | |
| FR890844A (en) | electric screen | |
| CH220583A (en) | Contact arrangement on installation circuit breakers. | |
| CH293314A (en) | Telecommunications office installation. | |
| CH262920A (en) | Telecommunications installation. | |
| CH295849A (en) | Telecommunications installation. | |
| CH218492A (en) | Electric switch. | |
| CH228754A (en) | Electrical installation switch. | |
| CH289545A (en) | Telecommunications installation. | |
| CH227248A (en) | Encapsulated electrical installation device. | |
| FR886267A (en) | Electric telegraph |