BE465290A - - Google Patents
Info
- Publication number
- BE465290A BE465290A BE465290DA BE465290A BE 465290 A BE465290 A BE 465290A BE 465290D A BE465290D A BE 465290DA BE 465290 A BE465290 A BE 465290A
- Authority
- BE
- Belgium
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)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US591068A US2414795A (en) | 1945-04-30 | 1945-04-30 | Ringing control arrangement for two-way carrier telephone terminals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE465290A true BE465290A (fr) |
Family
ID=24364926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE465290D BE465290A (fr) | 1945-04-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2414795A (fr) |
| BE (1) | BE465290A (fr) |
| ES (1) | ES175948A1 (fr) |
| FR (1) | FR926079A (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR960967A (fr) * | 1945-02-06 | 1950-04-28 | ||
| US2457830A (en) * | 1946-03-05 | 1949-01-04 | Jr George F Moynahan | Spot frequency oscillator system |
| US2540299A (en) * | 1946-08-27 | 1951-02-06 | Borg George W Corp | Sound recording and reproducing apparatus |
| BE477040A (fr) * | 1946-11-01 | |||
| US2654003A (en) * | 1947-11-24 | 1953-09-29 | Int Electronics Co | Oscillator-amplifier circuits for magnetic recording and reproducing systems |
| US2682627A (en) * | 1949-01-25 | 1954-06-29 | Askania Regulator Co | Motor position control station arrangement |
| NL72570C (fr) * | 1949-09-02 | |||
| BE499154A (fr) * | 1949-11-05 | |||
| US2677726A (en) * | 1950-07-26 | 1954-05-04 | Bell Telephone Labor Inc | Signaling system for carrier telephone transmission |
| BE523372A (fr) * | 1952-10-08 | |||
| US2938081A (en) * | 1952-12-27 | 1960-05-24 | Gen Electric | Selective transmission system for telephonic ringing |
| CA609116A (en) * | 1956-04-02 | 1960-11-22 | Westinghouse Air Brake Company | Transistor transceiver |
-
0
- BE BE465290D patent/BE465290A/xx unknown
-
1945
- 1945-04-30 US US591068A patent/US2414795A/en not_active Expired - Lifetime
-
1946
- 1946-04-26 FR FR926079D patent/FR926079A/fr not_active Expired
- 1946-11-29 ES ES175948A patent/ES175948A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR926079A (fr) | 1947-09-22 |
| ES175948A1 (es) | 1947-01-01 |
| US2414795A (en) | 1947-01-28 |