NL197930A - - Google Patents
Info
- Publication number
- NL197930A NL197930A NL197930DA NL197930A NL 197930 A NL197930 A NL 197930A NL 197930D A NL197930D A NL 197930DA NL 197930 A NL197930 A NL 197930A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/347—Negative-feedback-circuit arrangements with or without positive feedback using transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/26—Push-pull amplifiers; Phase-splitters therefor
- H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL789582X | 1955-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL197930A true NL197930A (xx) |
Family
ID=19832374
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL197930D NL197930A (xx) | 1955-06-10 | ||
| NL88938D NL88938C (xx) | 1955-06-10 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL88938D NL88938C (xx) | 1955-06-10 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2979665A (xx) |
| DE (1) | DE1033715B (xx) |
| FR (1) | FR1151318A (xx) |
| GB (1) | GB789582A (xx) |
| NL (2) | NL88938C (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3102241A (en) * | 1960-01-21 | 1963-08-27 | Gen Dynamics Corp | Overload control system for transistor amplifiers |
| US3153203A (en) * | 1961-06-22 | 1964-10-13 | Wilhelm Carl | Transistorized symmetrical differential alternating current amplifier |
| US3356960A (en) * | 1963-10-17 | 1967-12-05 | Gen Electric | Superconducting amplifier |
| GB1100571A (en) * | 1964-03-26 | 1968-01-24 | Plessey Uk Ltd | Improvements in and relating to push-pull amplifiers |
| GB1133425A (en) * | 1967-02-01 | 1968-11-13 | Redifon Ltd | Improvements in or relating to transistor amplifiers |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1955827A (en) * | 1932-06-16 | 1934-04-24 | Bell Telephone Labor Inc | Wave translating system |
| FR829872A (fr) * | 1936-11-26 | 1938-07-08 | Telefunken Gmbh | Amplificateur à contre-réaction |
| US2714137A (en) * | 1944-10-12 | 1955-07-26 | George S Dzwons | Stabilized amplifier |
| US2542160A (en) * | 1948-02-28 | 1951-02-20 | Boeing Co | Electronic integrating circuit |
| US2531458A (en) * | 1949-02-17 | 1950-11-28 | Nye Robert Glen | Direct coupled balanced amplifier |
| US2813934A (en) * | 1953-12-28 | 1957-11-19 | Barber Colman Co | Transistor amplifier |
-
0
- NL NL197930D patent/NL197930A/xx unknown
- NL NL88938D patent/NL88938C/xx active
-
1956
- 1956-06-06 DE DEN12320A patent/DE1033715B/de active Pending
- 1956-06-07 GB GB17632/56A patent/GB789582A/en not_active Expired
- 1956-06-08 FR FR1151318D patent/FR1151318A/fr not_active Expired
- 1956-06-11 US US590772A patent/US2979665A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB789582A (en) | 1958-01-22 |
| DE1033715B (de) | 1958-07-10 |
| FR1151318A (fr) | 1958-01-29 |
| NL88938C (xx) | |
| US2979665A (en) | 1961-04-11 |