NL85819C - - Google Patents
Info
- Publication number
- NL85819C NL85819C NL85819DA NL85819C NL 85819 C NL85819 C NL 85819C NL 85819D A NL85819D A NL 85819DA NL 85819 C NL85819 C NL 85819C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL739894X | 1953-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL85819C true NL85819C (fr) |
Family
ID=19820495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL85819D NL85819C (fr) | 1953-06-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2820108A (fr) |
| FR (1) | FR1114855A (fr) |
| GB (1) | GB739894A (fr) |
| NL (1) | NL85819C (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3113181A (en) * | 1960-11-25 | 1963-12-03 | Ericsson Telefon Ab L M | Amplifier arrangement |
| US3942116A (en) * | 1975-03-13 | 1976-03-02 | California Microwave, Inc. | Transceiver having improved voice actuated carrier and echo suppression circuit |
| US4937852A (en) * | 1988-02-29 | 1990-06-26 | Margaret Weiser | Corded to cordless telephone converter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1979101A (en) * | 1929-02-06 | 1934-10-30 | Bell Telephone Labor Inc | Transmission system |
| US2131578A (en) * | 1937-08-25 | 1938-09-27 | Bell Telephone Labor Inc | Monitoring circuit for telephone systems |
| US2511468A (en) * | 1945-01-15 | 1950-06-13 | Telephone Mfg Co Ltd | Electrical control network |
-
0
- NL NL85819D patent/NL85819C/xx active
-
1954
- 1954-06-07 US US434924A patent/US2820108A/en not_active Expired - Lifetime
- 1954-06-25 GB GB18691/54A patent/GB739894A/en not_active Expired
- 1954-06-28 FR FR1114855D patent/FR1114855A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1114855A (fr) | 1956-04-17 |
| US2820108A (en) | 1958-01-14 |
| GB739894A (en) | 1955-11-02 |