BE471640A - - Google Patents
Info
- Publication number
- BE471640A BE471640A BE471640DA BE471640A BE 471640 A BE471640 A BE 471640A BE 471640D A BE471640D A BE 471640DA BE 471640 A BE471640 A BE 471640A
- Authority
- BE
- Belgium
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB23729/44A GB584475A (en) | 1944-11-28 | 1944-11-28 | Improvements in or relating to electrical amplifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE471640A true BE471640A (en:Method) |
Family
ID=10200332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE471640D BE471640A (en:Method) | 1944-11-28 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE471640A (en:Method) |
| ES (1) | ES172290A1 (en:Method) |
| FR (1) | FR939202A (en:Method) |
| GB (1) | GB584475A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790943A (en) * | 1951-08-27 | 1957-04-30 | Honeywell Regulator Co | Multiple gain amplifier for servo control |
| US2860194A (en) * | 1953-09-25 | 1958-11-11 | Int Standard Electric Corp | Circuit arrangement for the transmission of signals |
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0
- BE BE471640D patent/BE471640A/xx unknown
-
1944
- 1944-11-28 GB GB23729/44A patent/GB584475A/en not_active Expired
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1946
- 1946-01-23 ES ES172290A patent/ES172290A1/es not_active Expired
- 1946-07-06 FR FR939202D patent/FR939202A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB584475A (en) | 1947-01-15 |
| FR939202A (fr) | 1948-11-08 |
| ES172290A1 (es) | 1946-03-01 |