BE871971A - Circuit pour supprimer des signaux parasites provoques par des egratignures dans un disque d'electrophone - Google Patents
Circuit pour supprimer des signaux parasites provoques par des egratignures dans un disque d'electrophoneInfo
- Publication number
- BE871971A BE871971A BE191694A BE191694A BE871971A BE 871971 A BE871971 A BE 871971A BE 191694 A BE191694 A BE 191694A BE 191694 A BE191694 A BE 191694A BE 871971 A BE871971 A BE 871971A
- Authority
- BE
- Belgium
- Prior art keywords
- electrophone
- scratches
- disc
- circuit
- signals caused
- Prior art date
Links
- 244000045947 parasite Species 0.000 title 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
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
-
- 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
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Amplifiers (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7712536A NL7712536A (nl) | 1977-11-15 | 1977-11-15 | Schakeling voor het onderdrukken van storingen tengevolge van krassen in een grammofoonplaat. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE871971A true BE871971A (fr) | 1979-05-14 |
Family
ID=19829539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE191694A BE871971A (fr) | 1977-11-15 | 1978-11-13 | Circuit pour supprimer des signaux parasites provoques par des egratignures dans un disque d'electrophone |
Country Status (16)
Country | Link |
---|---|
US (1) | US4208634A (sv) |
JP (1) | JPS5935081B2 (sv) |
AR (1) | AR216810A1 (sv) |
AT (1) | AT357779B (sv) |
BE (1) | BE871971A (sv) |
BR (1) | BR7807454A (sv) |
CA (1) | CA1121736A (sv) |
DE (1) | DE2849374A1 (sv) |
ES (1) | ES475025A1 (sv) |
FR (1) | FR2408966B1 (sv) |
GB (1) | GB2008366B (sv) |
HK (1) | HK33982A (sv) |
IT (1) | IT1100094B (sv) |
MX (1) | MX145185A (sv) |
NL (1) | NL7712536A (sv) |
SE (1) | SE7811668L (sv) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6235121Y2 (sv) * | 1980-04-30 | 1987-09-07 | ||
DE3028334C2 (de) * | 1980-07-25 | 1983-01-05 | Polygram Gmbh, 2000 Hamburg | Verfahren zum Beseitigen oder Unterdrücken von akustischen Störsignalen bei für den Wiedergabevorgang aufzubereitenden Audioprogrammen |
NL8100033A (nl) * | 1981-01-07 | 1982-08-02 | Philips Nv | Signaaloverdrachtsinrichting met een in stappen instelbare overdrachtskarakteristiek. |
DE3220252C2 (de) * | 1982-05-28 | 1985-09-12 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Beseitigung von Verzerrungen in Verstärkern |
JPS62131883U (sv) * | 1986-02-13 | 1987-08-20 | ||
US4815141A (en) * | 1986-12-02 | 1989-03-21 | Carver Corporation | Apparatus and methods for removing unwanted components from a communications signal |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3593334A (en) * | 1968-11-29 | 1971-07-13 | Burroughs Corp | Pulse discrimination system |
BE757970A (fr) * | 1969-10-25 | 1971-04-23 | Philips Nv | Circuit permettant de supprimer des parasites dans un recepteurde signaux electriques |
US3803357A (en) * | 1971-06-30 | 1974-04-09 | J Sacks | Noise filter |
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 |
DE2512412C3 (de) * | 1975-03-21 | 1979-02-01 | Blaupunkt-Werke Gmbh, 3200 Hildesheim | Schaltungsanordnung zum Unterdrücken von Störungen in einem FM-Rundfunkempfänger |
FR2347741A1 (fr) * | 1977-04-01 | 1977-11-04 | Sacks Jack | Procede et dispositif de detection et de suppression de signaux parasites dans un enregistrement phonographique |
US4143333A (en) * | 1977-05-16 | 1979-03-06 | David P. Misunas | Impulse noise removing apparatus |
-
1977
- 1977-11-15 NL NL7712536A patent/NL7712536A/xx not_active Application Discontinuation
-
1978
- 1978-10-10 US US05/949,917 patent/US4208634A/en not_active Expired - Lifetime
- 1978-10-26 CA CA000314400A patent/CA1121736A/en not_active Expired
- 1978-11-01 AR AR274318A patent/AR216810A1/es active
- 1978-11-10 IT IT29695/78A patent/IT1100094B/it active
- 1978-11-10 GB GB7844029A patent/GB2008366B/en not_active Expired
- 1978-11-10 MX MX175571A patent/MX145185A/es unknown
- 1978-11-13 BE BE191694A patent/BE871971A/xx not_active IP Right Cessation
- 1978-11-13 SE SE7811668A patent/SE7811668L/sv unknown
- 1978-11-13 BR BR7807454A patent/BR7807454A/pt unknown
- 1978-11-13 ES ES475025A patent/ES475025A1/es not_active Expired
- 1978-11-13 FR FR7831987A patent/FR2408966B1/fr not_active Expired
- 1978-11-14 JP JP53140391A patent/JPS5935081B2/ja not_active Expired
- 1978-11-14 DE DE19782849374 patent/DE2849374A1/de active Granted
- 1978-11-15 AT AT816878A patent/AT357779B/de not_active IP Right Cessation
-
1982
- 1982-07-22 HK HK339/82A patent/HK33982A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BR7807454A (pt) | 1979-07-17 |
HK33982A (en) | 1982-07-30 |
DE2849374A1 (de) | 1979-05-17 |
IT1100094B (it) | 1985-09-28 |
AT357779B (de) | 1980-07-25 |
FR2408966B1 (fr) | 1985-10-31 |
DE2849374C2 (sv) | 1987-08-06 |
FR2408966A1 (fr) | 1979-06-08 |
JPS5935081B2 (ja) | 1984-08-27 |
JPS5479001A (en) | 1979-06-23 |
GB2008366B (en) | 1982-05-06 |
ES475025A1 (es) | 1979-04-16 |
IT7829695A0 (it) | 1978-11-10 |
AR216810A1 (es) | 1980-01-31 |
CA1121736A (en) | 1982-04-13 |
SE7811668L (sv) | 1979-05-16 |
GB2008366A (en) | 1979-05-31 |
NL7712536A (nl) | 1979-05-17 |
MX145185A (es) | 1982-01-12 |
US4208634A (en) | 1980-06-17 |
ATA816878A (de) | 1979-12-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN Effective date: 19851130 |