NL7809717A - NOISE-ELIMINATING CHAIN DEVICE. - Google Patents
NOISE-ELIMINATING CHAIN DEVICE.Info
- Publication number
- NL7809717A NL7809717A NL7809717A NL7809717A NL7809717A NL 7809717 A NL7809717 A NL 7809717A NL 7809717 A NL7809717 A NL 7809717A NL 7809717 A NL7809717 A NL 7809717A NL 7809717 A NL7809717 A NL 7809717A
- Authority
- NL
- Netherlands
- Prior art keywords
- noise
- chain device
- eliminating chain
- eliminating
- chain
- Prior art date
Links
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11470077A JPS5448469A (en) | 1977-09-26 | 1977-09-26 | Noise eliminating circuit |
JP1631378A JPH0230211B2 (en) | 1978-02-15 | 1978-02-15 | ZATSUONJOKYOKAIRO |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7809717A true NL7809717A (en) | 1979-03-28 |
NL190039B NL190039B (en) | 1993-05-03 |
NL190039C NL190039C (en) | 1993-10-01 |
Family
ID=26352631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7809717,A NL190039C (en) | 1977-09-26 | 1978-09-25 | NOISE ELIMINATION CHAIN. |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2828414A1 (en) |
FR (1) | FR2404336A1 (en) |
GB (1) | GB1603391A (en) |
NL (1) | NL190039C (en) |
SE (1) | SE436159B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5514734A (en) * | 1978-07-17 | 1980-02-01 | Nec Corp | Pulse noise elimination circuit |
US4311963A (en) * | 1978-07-18 | 1982-01-19 | Matsushita Electric Industrial Co., Ltd. | Noise pulse suppressing system |
US4232340A (en) * | 1979-06-01 | 1980-11-04 | Rca Corporation | Defect compensation for color television |
DE3028334C2 (en) * | 1980-07-25 | 1983-01-05 | Polygram Gmbh, 2000 Hamburg | Method for eliminating or suppressing acoustic interference signals in audio programs to be processed for the playback process |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE757970A (en) * | 1969-10-25 | 1971-04-23 | Philips Nv | CIRCUIT FOR SUPPRESSING PARASITES IN AN ELECTRIC SIGNAL RECEIVER |
US3689845A (en) * | 1969-11-01 | 1972-09-05 | Philips Corp | Circuit arrangement for suppressing interferences in a receiver of electrical signals |
BE758331A (en) * | 1969-11-01 | 1971-04-30 | Philips Nv | CIRCUIT FOR SUPPRESSING PARASITES IN AN ELECTRIC SIGNAL RECEIVER |
US3588705A (en) * | 1969-11-12 | 1971-06-28 | Nasa | Frequency-modulation demodulator threshold extension device |
US3983488A (en) * | 1974-06-17 | 1976-09-28 | California Microwave, Inc. | Frequency-modulation demodulator threshold extension device |
US3947636A (en) * | 1974-08-12 | 1976-03-30 | Edgar Albert D | Transient noise filter employing crosscorrelation to detect noise and autocorrelation to replace the noisey segment |
-
1978
- 1978-05-22 GB GB21009/78A patent/GB1603391A/en not_active Expired
- 1978-06-28 DE DE19782828414 patent/DE2828414A1/en active Granted
- 1978-09-25 NL NLAANVRAGE7809717,A patent/NL190039C/en not_active IP Right Cessation
- 1978-09-25 FR FR7827366A patent/FR2404336A1/en active Granted
- 1978-09-25 SE SE7810016A patent/SE436159B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2828414A1 (en) | 1979-04-05 |
DE2828414C2 (en) | 1988-09-08 |
NL190039C (en) | 1993-10-01 |
FR2404336A1 (en) | 1979-04-20 |
SE7810016L (en) | 1979-03-27 |
SE436159B (en) | 1984-11-12 |
GB1603391A (en) | 1981-11-25 |
NL190039B (en) | 1993-05-03 |
FR2404336B1 (en) | 1983-11-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |