BE735194A - - Google Patents
Info
- Publication number
- BE735194A BE735194A BE735194DA BE735194A BE 735194 A BE735194 A BE 735194A BE 735194D A BE735194D A BE 735194DA BE 735194 A BE735194 A BE 735194A
- Authority
- BE
- Belgium
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)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681762486 DE1762486B1 (de) | 1968-06-26 | 1968-06-26 | Schaltungsanordnung fuer sprachgesteuerte Freisprechgeraete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE735194A true BE735194A (de) | 1969-12-29 |
Family
ID=5697033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE735194D BE735194A (de) | 1968-06-26 | 1969-06-26 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT294934B (de) |
| BE (1) | BE735194A (de) |
| CH (1) | CH499933A (de) |
| DE (1) | DE1762486B1 (de) |
| FI (1) | FI53767C (de) |
| FR (1) | FR2011677A1 (de) |
| NL (1) | NL147908B (de) |
| SE (1) | SE340104B (de) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1282720B (de) * | 1966-03-23 | 1968-11-14 | Siemens Ag | Schaltungsanordnung fuer sprachgesteuerte Freisprechgeraete |
-
1968
- 1968-06-26 DE DE19681762486 patent/DE1762486B1/de not_active Withdrawn
-
1969
- 1969-06-10 FR FR6919105A patent/FR2011677A1/fr not_active Withdrawn
- 1969-06-16 NL NL6909158A patent/NL147908B/xx unknown
- 1969-06-17 FI FI1793/69A patent/FI53767C/fi active
- 1969-06-19 SE SE882569A patent/SE340104B/xx unknown
- 1969-06-24 CH CH962069A patent/CH499933A/de not_active IP Right Cessation
- 1969-06-24 AT AT598669A patent/AT294934B/de not_active IP Right Cessation
- 1969-06-26 BE BE735194D patent/BE735194A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI53767B (de) | 1978-03-31 |
| FI53767C (fi) | 1978-07-10 |
| DE1762486B1 (de) | 1970-09-24 |
| NL147908B (nl) | 1975-11-17 |
| SE340104B (de) | 1971-11-08 |
| CH499933A (de) | 1970-11-30 |
| FR2011677A1 (de) | 1970-03-06 |
| NL6909158A (de) | 1969-12-30 |
| AT294934B (de) | 1971-12-10 |