BE722889A - - Google Patents
Info
- Publication number
- BE722889A BE722889A BE722889DA BE722889A BE 722889 A BE722889 A BE 722889A BE 722889D A BE722889D A BE 722889DA BE 722889 A BE722889 A BE 722889A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/62—Two-way amplifiers
- H03F3/64—Two-way amplifiers with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Transceivers (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67835267A | 1967-10-26 | 1967-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE722889A true BE722889A (xx) | 1969-04-01 |
Family
ID=24722434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE722889D BE722889A (xx) | 1967-10-26 | 1968-10-25 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3502823A (xx) |
| JP (1) | JPS4840284B1 (xx) |
| BE (1) | BE722889A (xx) |
| DE (1) | DE1804410B2 (xx) |
| FR (1) | FR1587243A (xx) |
| GB (1) | GB1241304A (xx) |
| NL (1) | NL158336B (xx) |
| SE (1) | SE335876B (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824344A (en) * | 1973-03-22 | 1974-07-16 | Bell Telephone Labor Inc | Conference bridge circuit |
| JPS5332583U (xx) * | 1976-08-27 | 1978-03-22 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2825764A (en) * | 1954-02-24 | 1958-03-04 | Bell Telephone Labor Inc | Cross-control compandor used as echo suppressors |
-
1967
- 1967-10-26 US US678352A patent/US3502823A/en not_active Expired - Lifetime
-
1968
- 1968-10-18 SE SE14130/68A patent/SE335876B/xx unknown
- 1968-10-22 DE DE19681804410 patent/DE1804410B2/de not_active Withdrawn
- 1968-10-24 NL NL6815211.A patent/NL158336B/xx not_active IP Right Cessation
- 1968-10-24 GB GB50515/68A patent/GB1241304A/en not_active Expired
- 1968-10-25 BE BE722889D patent/BE722889A/xx unknown
- 1968-10-25 FR FR1587243D patent/FR1587243A/fr not_active Expired
- 1968-10-25 JP JP43077416A patent/JPS4840284B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4840284B1 (xx) | 1973-11-29 |
| FR1587243A (xx) | 1970-03-13 |
| US3502823A (en) | 1970-03-24 |
| NL158336B (nl) | 1978-10-16 |
| DE1804410A1 (de) | 1969-05-14 |
| SE335876B (xx) | 1971-06-14 |
| GB1241304A (en) | 1971-08-04 |
| NL6815211A (xx) | 1969-04-29 |
| DE1804410B2 (de) | 1972-01-20 |