DE901664C - Empfangsschaltung mit einer Hilfseinrichtung zur Schwaechung elektrischer Empfangsstoerungen - Google Patents
Empfangsschaltung mit einer Hilfseinrichtung zur Schwaechung elektrischer EmpfangsstoerungenInfo
- Publication number
- DE901664C DE901664C DEH6220D DEH0006220D DE901664C DE 901664 C DE901664 C DE 901664C DE H6220 D DEH6220 D DE H6220D DE H0006220 D DEH0006220 D DE H0006220D DE 901664 C DE901664 C DE 901664C
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- circuit
- auxiliary
- amplifier
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000003313 weakening effect Effects 0.000 title claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 230000002829 reductive effect Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000033228 biological regulation Effects 0.000 claims description 4
- 230000001629 suppression Effects 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 235000003351 Brassica cretica Nutrition 0.000 claims 1
- 235000003343 Brassica rupestris Nutrition 0.000 claims 1
- 241000219193 Brassicaceae Species 0.000 claims 1
- 210000004072 lung Anatomy 0.000 claims 1
- 235000010460 mustard Nutrition 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 16
- 238000004804 winding Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 230000003321 amplification Effects 0.000 description 8
- 238000003199 nucleic acid amplification method Methods 0.000 description 8
- 230000002452 interceptive effect Effects 0.000 description 5
- 230000002441 reversible effect Effects 0.000 description 4
- 239000000969 carrier Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005513 bias potential Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004958 brain cell Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
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- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/24—Automatic control in frequency-selective amplifiers
- H03G5/26—Automatic control in frequency-selective amplifiers having discharge tubes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present
- H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US148894A US2152515A (en) | 1937-06-18 | 1937-06-18 | Automatic signal interference control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE901664C true DE901664C (de) | 1954-01-14 |
Family
ID=22527909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEH6220D Expired DE901664C (de) | 1937-06-18 | 1938-06-15 | Empfangsschaltung mit einer Hilfseinrichtung zur Schwaechung elektrischer Empfangsstoerungen |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2152515A (enrdf_load_html_response) |
| DE (1) | DE901664C (enrdf_load_html_response) |
| NL (1) | NL51180C (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2160702A1 (de) * | 1970-12-11 | 1972-06-29 | Sony Corp | Frequenzmodulations-Empfänger |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2540643A (en) * | 1940-01-12 | 1951-02-06 | Edwin H Armstrong | Frequency-modulated carrier signal receiver |
| US2459675A (en) * | 1941-04-05 | 1949-01-18 | Motorola Inc | Interference reducing radio receiver |
| BE475389A (enrdf_load_html_response) * | 1942-07-17 | |||
| US2420518A (en) * | 1943-01-22 | 1947-05-13 | Gen Electric | Power reduction circuit for radio receivers |
| US2447564A (en) * | 1943-01-30 | 1948-08-24 | Zenith Radio Corp | Noise reducing circuits |
| US2538040A (en) * | 1943-05-01 | 1951-01-16 | Arthur C Prichard | Interference reduction circuit for radio pulse receivers |
| US2452436A (en) * | 1943-07-01 | 1948-10-26 | Rca Corp | Receiver muting circuit |
| US2489254A (en) * | 1944-01-04 | 1949-11-29 | Otto F A Arnold | Radio system |
| US2455450A (en) * | 1944-01-13 | 1948-12-07 | Zenith Radio Corp | Radio receiver noise suppression circuit |
| US2479305A (en) * | 1945-04-25 | 1949-08-16 | Gen Electric | Selective carrier off noise suppression circuit |
| US2607889A (en) * | 1945-06-23 | 1952-08-19 | Emi Ltd | Radio receiver |
| US2697780A (en) * | 1946-02-18 | 1954-12-21 | Douglas E Howes | Pulse receiver |
| US2516937A (en) * | 1946-04-19 | 1950-08-01 | Standard Telephones Cables Ltd | Receiver circuit |
| US2552585A (en) * | 1947-01-09 | 1951-05-15 | Nielsen A C Co | Apparatus for determining listening habits of radio receiver users |
| US2483195A (en) * | 1947-04-28 | 1949-09-27 | Bendix Aviat Corp | Frequency and phase modulation detector |
| US2653221A (en) * | 1949-12-01 | 1953-09-22 | Zenith Radio Corp | Suppressed carrier radio communication system |
| NL276220A (enrdf_load_html_response) * | 1961-03-21 | |||
| US3147438A (en) * | 1961-06-28 | 1964-09-01 | Earl G Hedger | Signal-to-noise ratio sensor for frequency modulation receiver |
| US3241073A (en) * | 1962-12-21 | 1966-03-15 | Motorola Inc | Impulse noise blanker for am radios |
| DE1616787B1 (de) * | 1962-12-21 | 1972-06-29 | Siemens Ag | Fm-richtfunksystem fuer einrichtungen der elektrischen nachrichtentechnik |
| US5937341A (en) * | 1996-09-13 | 1999-08-10 | University Of Washington | Simplified high frequency tuner and tuning method |
| US7272375B2 (en) * | 2004-06-30 | 2007-09-18 | Silicon Laboratories Inc. | Integrated low-IF terrestrial audio broadcast receiver and associated method |
-
1937
- 1937-06-18 US US148894A patent/US2152515A/en not_active Expired - Lifetime
-
1938
- 1938-06-15 DE DEH6220D patent/DE901664C/de not_active Expired
- 1938-06-17 NL NL51180D patent/NL51180C/xx active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2160702A1 (de) * | 1970-12-11 | 1972-06-29 | Sony Corp | Frequenzmodulations-Empfänger |
Also Published As
| Publication number | Publication date |
|---|---|
| NL51180C (enrdf_load_html_response) | 1941-05-15 |
| US2152515A (en) | 1939-03-28 |
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