DK107950C - Forstærker til tovejs samtaleforbindelse. - Google Patents
Forstærker til tovejs samtaleforbindelse.Info
- Publication number
- DK107950C DK107950C DK227259AA DK227259A DK107950C DK 107950 C DK107950 C DK 107950C DK 227259A A DK227259A A DK 227259AA DK 227259 A DK227259 A DK 227259A DK 107950 C DK107950 C DK 107950C
- Authority
- DK
- Denmark
- Prior art keywords
- amplifier
- call connection
- way call
- way
- connection
- Prior art date
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE599258 | 1958-06-25 | ||
SE1108958 | 1958-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK107950C true DK107950C (da) | 1967-07-24 |
Family
ID=26654667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK227259AA DK107950C (da) | 1958-06-25 | 1959-06-25 | Forstærker til tovejs samtaleforbindelse. |
Country Status (4)
Country | Link |
---|---|
US (1) | US3045074A (da) |
BE (1) | BE579845A (da) |
CH (1) | CH372714A (da) |
DK (1) | DK107950C (da) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3706862A (en) * | 1971-06-28 | 1972-12-19 | Lorain Prod Corp | Amplifier circuit for transmission lines |
US5471527A (en) * | 1993-12-02 | 1995-11-28 | Dsc Communications Corporation | Voice enhancement system and method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2273945A (en) * | 1941-04-16 | 1942-02-24 | Bell Telephone Labor Inc | Two-way speech transmission |
US2472211A (en) * | 1945-12-13 | 1949-06-07 | Automatic Elect Lab | Antisinging gain controlled repeater |
-
1959
- 1959-05-22 US US815003A patent/US3045074A/en not_active Expired - Lifetime
- 1959-06-17 CH CH7456259A patent/CH372714A/de unknown
- 1959-06-19 BE BE579845A patent/BE579845A/fr unknown
- 1959-06-25 DK DK227259AA patent/DK107950C/da active
Also Published As
Publication number | Publication date |
---|---|
US3045074A (en) | 1962-07-17 |
CH372714A (de) | 1963-10-31 |
BE579845A (fr) | 1959-10-16 |
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