BE595158A - Téléphone haut-parleur avec commutation électronique par la parole. - Google Patents
Téléphone haut-parleur avec commutation électronique par la parole.Info
- Publication number
- BE595158A BE595158A BE595158A BE595158A BE595158A BE 595158 A BE595158 A BE 595158A BE 595158 A BE595158 A BE 595158A BE 595158 A BE595158 A BE 595158A BE 595158 A BE595158 A BE 595158A
- Authority
- BE
- Belgium
- Prior art keywords
- electronic speech
- loudspeaker telephone
- speech switching
- switching
- loudspeaker
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US844393A US3136864A (en) | 1959-10-05 | 1959-10-05 | Loudspeaking telephone with electronic voice switching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE595158A true BE595158A (fr) | 1961-01-16 |
Family
ID=25292605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE595158A BE595158A (fr) | 1959-10-05 | 1960-09-19 | Téléphone haut-parleur avec commutation électronique par la parole. |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3136864A (fr) |
| BE (1) | BE595158A (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3283074A (en) * | 1962-12-31 | 1966-11-01 | Gen Electric | Voice-controlled communication system |
| GB1029163A (en) * | 1964-05-29 | 1966-05-11 | Standard Telephones Cables Ltd | Improvements in or relating to telephone sets |
| US3423531A (en) * | 1965-08-16 | 1969-01-21 | Itt | Voice controlled amplifier |
| US3518375A (en) * | 1967-02-07 | 1970-06-30 | Newcomb Electronics Corp | Voice override circuit |
| US3833766A (en) * | 1972-10-18 | 1974-09-03 | Global Syst Design Corp | Voiced controlled gain switched loud-speaking telephone system |
| US3953676A (en) * | 1974-12-12 | 1976-04-27 | Northern Electric Company, Limited | Digital control of a loudspeaking telephone system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB509693A (en) * | 1938-01-20 | 1939-07-19 | Leonard Ernest Ryall | Improvements in electric signal amplifiers incorporating voice-operated devices |
| BE464853A (fr) * | 1939-08-14 | |||
| US2332430A (en) * | 1942-07-16 | 1943-10-19 | Bell Telephone Labor Inc | Two-way telephone system |
| US2468205A (en) * | 1946-12-31 | 1949-04-26 | Rca Corp | Volume controlled sound reinforcement system |
| GB665274A (en) * | 1948-11-22 | 1952-01-23 | Standard Telephones Cables Ltd | Improvements in or relating to telephone set circuits |
| US3141068A (en) * | 1957-01-15 | 1964-07-14 | Robert t | |
| US3022379A (en) * | 1958-04-28 | 1962-02-20 | Ericsson Telefon Ab L M | Amplifying device |
| NL245570A (fr) * | 1958-12-29 |
-
1959
- 1959-10-05 US US844393A patent/US3136864A/en not_active Expired - Lifetime
-
1960
- 1960-09-19 BE BE595158A patent/BE595158A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3136864A (en) | 1964-06-09 |
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