BE469233A - - Google Patents
Info
- Publication number
- BE469233A BE469233A BE469233DA BE469233A BE 469233 A BE469233 A BE 469233A BE 469233D A BE469233D A BE 469233DA BE 469233 A BE469233 A BE 469233A
- Authority
- BE
- Belgium
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
- H03F1/42—Modifications of amplifiers to extend the bandwidth
- H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
- H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/36—DC amplifiers in which all stages are DC-coupled with tubes only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0138—Electrical filters or coupling circuits
- H03H7/0146—Coupling circuits between two tubes, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Thermally Actuated Switches (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB256970X | 1943-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE469233A true BE469233A (https=) |
Family
ID=10231824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE469233D BE469233A (https=) | 1943-05-14 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2383710A (https=) |
| BE (1) | BE469233A (https=) |
| CH (1) | CH256970A (https=) |
| FR (1) | FR928874A (https=) |
| GB (1) | GB565609A (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2554905A (en) * | 1946-06-01 | 1951-05-29 | Seismograph Service Corp | Seismic signal amplifier |
| GB665821A (en) * | 1947-07-05 | 1952-01-30 | Automatic Telephone & Elect | Improvements in or relating to electronic trigger circuits |
| US2794864A (en) * | 1952-08-01 | 1957-06-04 | Bell Telephone Labor Inc | Nonreciprocal circuits employing negative resistance elements |
| GB751533A (en) * | 1953-04-28 | 1956-06-27 | Philips Electrical Ind Ltd | Improvements in or relating to direct voltage amplifier circuits |
| US2885612A (en) * | 1957-01-02 | 1959-05-05 | Honeywell Regulator Co | Symmetrically operating servosystem with unsymmetrical servoamplifier |
| US3088325A (en) * | 1959-05-25 | 1963-05-07 | Westinghouse Air Brake Co | Snap-acting safety valve device |
-
0
- BE BE469233D patent/BE469233A/xx unknown
-
1943
- 1943-05-14 GB GB7710/43A patent/GB565609A/en not_active Expired
-
1944
- 1944-03-10 US US525815A patent/US2383710A/en not_active Expired - Lifetime
-
1946
- 1946-02-06 CH CH256970D patent/CH256970A/de unknown
- 1946-05-18 FR FR928874D patent/FR928874A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB565609A (en) | 1944-11-17 |
| CH256970A (de) | 1948-09-15 |
| FR928874A (fr) | 1947-12-10 |
| US2383710A (en) | 1945-08-28 |