SE437593B - Storningseliminerande krets - Google Patents
Storningseliminerande kretsInfo
- Publication number
- SE437593B SE437593B SE7906153A SE7906153A SE437593B SE 437593 B SE437593 B SE 437593B SE 7906153 A SE7906153 A SE 7906153A SE 7906153 A SE7906153 A SE 7906153A SE 437593 B SE437593 B SE 437593B
- Authority
- SE
- Sweden
- Prior art keywords
- circuit
- level
- signal
- output
- interference
- Prior art date
Links
- 230000002452 interceptive effect Effects 0.000 claims description 4
- 230000005236 sound signal Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- 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 or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
Landscapes
- Noise Elimination (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP53087346A JPS6019172B2 (ja) | 1978-07-17 | 1978-07-17 | パルス性雑音除去回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7906153L SE7906153L (sv) | 1980-01-18 |
| SE437593B true SE437593B (sv) | 1985-03-04 |
Family
ID=13912302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7906153A SE437593B (sv) | 1978-07-17 | 1979-07-17 | Storningseliminerande krets |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4301541A (de) |
| JP (1) | JPS6019172B2 (de) |
| AU (1) | AU529950B2 (de) |
| DE (1) | DE2928874A1 (de) |
| GB (1) | GB2025740B (de) |
| NL (1) | NL188003C (de) |
| SE (1) | SE437593B (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5761327A (en) * | 1980-09-30 | 1982-04-13 | Sony Corp | Periodicity pulse extraction circuit |
| US4504966A (en) * | 1983-05-31 | 1985-03-12 | Harris Corporation | Stereo inhibitor for AM stereo receiver |
| DE3500217C2 (de) * | 1985-01-05 | 1995-04-13 | Blaupunkt Werke Gmbh | Verfahren und Schaltungsanordnung zum Unterdrücken von Zwischenstationsgeräuschen |
| JPS6237456U (de) * | 1985-08-23 | 1987-03-05 | ||
| US5067157A (en) * | 1989-02-03 | 1991-11-19 | Pioneer Electronic Corporation | Noise reduction apparatus in an FM stereo tuner |
| US5253299A (en) * | 1989-02-03 | 1993-10-12 | Pioneer Electronic Corporation | Noise reduction apparatus in an FM stereo tuner |
| JPH03101528A (ja) * | 1989-09-14 | 1991-04-26 | Clarion Co Ltd | Ｆｍステレオ受信装置 |
| AU642342B2 (en) * | 1991-02-27 | 1993-10-14 | Fujitsu Ten Ltd. | Circuit for sensing pulse-like noise in AM receiver |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3213372A (en) * | 1962-10-24 | 1965-10-19 | Gen Dynamics Corp | Signal-to-noise squelch circuit |
| US3188571A (en) * | 1962-11-28 | 1965-06-08 | Collins Radio Co | Detected noise actuated, agc noisequieting action dependent, and total noise level adaptive rf receiver squelch system |
| US3325738A (en) * | 1964-02-17 | 1967-06-13 | Avco Corp | Signal to noise ratio controlled squelch circuit |
| US3613012A (en) * | 1969-10-13 | 1971-10-12 | Tracor | Adaptive blanking apparatus |
| US3805166A (en) * | 1972-10-20 | 1974-04-16 | A Paredes | Squelch circuit with time constant controlled by signal level |
| US4044309A (en) * | 1974-07-18 | 1977-08-23 | Narco Scientific Industries, Inc. | Automatic squelch circuit with hysteresis |
| US3978412A (en) * | 1975-05-02 | 1976-08-31 | Rockwell International Corporation | Radio receiver noise suppression |
| US4156202A (en) * | 1976-06-28 | 1979-05-22 | Victor Company Of Japan, Ltd. | Impulsive noise reducing system |
| DE2633000A1 (de) * | 1976-07-22 | 1978-01-26 | Blaupunkt Werke Gmbh | Rundfunkempfaenger mit stoerimpulsaustastung |
-
1978
- 1978-07-17 JP JP53087346A patent/JPS6019172B2/ja not_active Expired
-
1979
- 1979-07-16 NL NLAANVRAGE7905538,A patent/NL188003C/xx not_active IP Right Cessation
- 1979-07-16 GB GB7924658A patent/GB2025740B/en not_active Expired
- 1979-07-17 SE SE7906153A patent/SE437593B/sv not_active IP Right Cessation
- 1979-07-17 DE DE19792928874 patent/DE2928874A1/de active Granted
- 1979-07-17 AU AU48974/79A patent/AU529950B2/en not_active Ceased
- 1979-07-17 US US06/058,167 patent/US4301541A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4301541A (en) | 1981-11-17 |
| NL7905538A (nl) | 1980-01-21 |
| JPS6019172B2 (ja) | 1985-05-15 |
| AU529950B2 (en) | 1983-06-30 |
| JPS5514735A (en) | 1980-02-01 |
| GB2025740B (en) | 1982-09-15 |
| GB2025740A (en) | 1980-01-23 |
| DE2928874C2 (de) | 1991-05-08 |
| DE2928874A1 (de) | 1980-02-07 |
| AU4897479A (en) | 1980-01-24 |
| NL188003C (nl) | 1992-03-02 |
| SE7906153L (sv) | 1980-01-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
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