BE621155A - - Google Patents
Info
- Publication number
- BE621155A BE621155A BE621155DA BE621155A BE 621155 A BE621155 A BE 621155A BE 621155D A BE621155D A BE 621155DA BE 621155 A BE621155 A BE 621155A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/58—Anti-side-tone circuits
- H04M1/585—Anti-side-tone circuits implemented without inductive element
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES75209A DE1152728B (de) | 1961-08-07 | 1961-08-07 | Gabelschaltung fuer Nachrichtenuebertragungsanlagen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE621155A true BE621155A (en:Method) |
Family
ID=7505211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE621155D BE621155A (en:Method) | 1961-08-07 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3227812A (en:Method) |
| BE (1) | BE621155A (en:Method) |
| CH (1) | CH409025A (en:Method) |
| DE (1) | DE1152728B (en:Method) |
| GB (1) | GB965027A (en:Method) |
| NL (1) | NL280765A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE334921B (en:Method) * | 1968-01-18 | 1971-05-10 | O Sternbeck | |
| JPS5148006B1 (en:Method) * | 1970-09-03 | 1976-12-18 | ||
| NL7208148A (en:Method) * | 1972-06-15 | 1973-12-18 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2499423A (en) * | 1944-09-30 | 1950-03-07 | Hartford Nat Bank & Trust Comp | Telephone transmission circuits for coupling input and output devices to a telephone line |
| GB655927A (en) * | 1947-12-22 | 1951-08-08 | Keith Simmons Stanbury | Improved telephone substation apparatus |
| US2762867A (en) * | 1953-06-16 | 1956-09-11 | Bell Telephone Labor Inc | Subscriber telephone circuit |
| BE543085A (en:Method) * | 1954-12-30 | |||
| US2818470A (en) * | 1956-03-29 | 1957-12-31 | Bell Telephone Labor Inc | Compensated transistor circuit |
| US2945920A (en) * | 1958-01-17 | 1960-07-19 | Motorola Inc | Electronic hybrid |
-
0
- BE BE621155D patent/BE621155A/xx unknown
- NL NL280765D patent/NL280765A/xx unknown
-
1961
- 1961-08-07 DE DES75209A patent/DE1152728B/de active Pending
-
1962
- 1962-08-07 CH CH939862A patent/CH409025A/de unknown
- 1962-08-07 US US215443A patent/US3227812A/en not_active Expired - Lifetime
- 1962-08-07 GB GB30199/62A patent/GB965027A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL280765A (en:Method) | |
| US3227812A (en) | 1966-01-04 |
| DE1152728B (de) | 1963-08-14 |
| GB965027A (en) | 1964-07-29 |
| CH409025A (de) | 1966-03-15 |