CA1110548A - Circuit eliminateur du bruit cause par les eraflures d'un disque phonographique - Google Patents

Circuit eliminateur du bruit cause par les eraflures d'un disque phonographique

Info

Publication number: CA1110548A
Authority: CA; Canada
Prior art keywords: noise; circuit; signal; output; time
Prior art date: 1977-11-15
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

Application number

CA314,371A

Other languages

English (en)

Inventor

Johannes B. H. Peek

Johan M. Schmidt

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

Priority date (The priority date 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 date listed.)

1977-11-15

Filing date

1978-10-26

Publication date

1981-10-13

1978-10-26 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1981-10-13 Application granted granted Critical

1981-10-13 Publication of CA1110548A publication Critical patent/CA1110548A/fr

Status Expired legal-status Critical Current

Links

239000003990 capacitor Substances 0.000 claims description 5
208000002925 dental caries Diseases 0.000 claims 1
230000005236 sound signal Effects 0.000 abstract description 4
150000002500 ions Chemical class 0.000 description 14
101150087426 Gnal gene Proteins 0.000 description 8
230000001629 suppression Effects 0.000 description 8
NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 4
201000006747 infectious mononucleosis Diseases 0.000 description 4
230000008878 coupling Effects 0.000 description 3
238000010168 coupling process Methods 0.000 description 3
238000005859 coupling reaction Methods 0.000 description 3
230000007423 decrease Effects 0.000 description 3
238000001514 detection method Methods 0.000 description 3
230000006870 function Effects 0.000 description 3
238000009499 grossing Methods 0.000 description 3
241000283984 Rodentia Species 0.000 description 2
230000003111 delayed effect Effects 0.000 description 2
230000003389 potentiating effect Effects 0.000 description 2
QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 2
208000006379 syphilis Diseases 0.000 description 2
101150097308 ARD1 gene Proteins 0.000 description 1
102100038740 Activator of RNA decay Human genes 0.000 description 1
101150059057 BET1 gene Proteins 0.000 description 1
101100379067 Caenorhabditis elegans anc-1 gene Proteins 0.000 description 1
101100087530 Caenorhabditis elegans rom-1 gene Proteins 0.000 description 1
101100422770 Caenorhabditis elegans sup-1 gene Proteins 0.000 description 1
241000272470 Circus Species 0.000 description 1
JFIXKFSJCQNGEK-UHFFFAOYSA-N Coumafuryl Chemical compound OC=1C2=CC=CC=C2OC(=O)C=1C(CC(=O)C)C1=CC=CO1 JFIXKFSJCQNGEK-UHFFFAOYSA-N 0.000 description 1
101100122876 Dictyostelium discoideum grlE gene Proteins 0.000 description 1
101100270214 Dictyostelium discoideum natA gene Proteins 0.000 description 1
101100536354 Drosophila melanogaster tant gene Proteins 0.000 description 1
244000228957 Ferula foetida Species 0.000 description 1
241001200438 Kheper Species 0.000 description 1
125000000205 L-threonino group Chemical group [H]OC(=O)[C@@]([H])(N([H])[*])[C@](C([H])([H])[H])([H])O[H] 0.000 description 1
241001435619 Lile Species 0.000 description 1
244000278455 Morus laevigata Species 0.000 description 1
235000013382 Morus laevigata Nutrition 0.000 description 1
101100305983 Mus musculus Rom1 gene Proteins 0.000 description 1
240000008881 Oenanthe javanica Species 0.000 description 1
101100005038 Penicillium decumbens calJ gene Proteins 0.000 description 1
241000053227 Themus Species 0.000 description 1
241000153282 Theope Species 0.000 description 1
230000004913 activation Effects 0.000 description 1
238000011109 contamination Methods 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
229940035564 duration Drugs 0.000 description 1
PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
229920000136 polysorbate Polymers 0.000 description 1
108090000623 proteins and genes Proteins 0.000 description 1
238000005070 sampling Methods 0.000 description 1
235000013570 smoothie Nutrition 0.000 description 1
HODRFAVLXIFVTR-RKDXNWHRSA-N tevenel Chemical compound NS(=O)(=O)C1=CC=C([C@@H](O)[C@@H](CO)NC(=O)C(Cl)Cl)C=C1 HODRFAVLXIFVTR-RKDXNWHRSA-N 0.000 description 1
VLPFTAMPNXLGLX-UHFFFAOYSA-N trioctanoin Chemical compound CCCCCCCC(=O)OCC(OC(=O)CCCCCCC)COC(=O)CCCCCCC VLPFTAMPNXLGLX-UHFFFAOYSA-N 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
- H03G3/3005—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
- 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)
Investigating Or Analysing Biological Materials (AREA)
Confectionery (AREA)
Soundproofing, Sound Blocking, And Sound Damping (AREA)

CA314,371A 1977-11-15 1978-10-26 Circuit eliminateur du bruit cause par les eraflures d'un disque phonographique Expired CA1110548A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL7712534A NL7712534A (nl)	1977-11-15	1977-11-15	Schakeling voor het onderdrukken van storingen tengevolge van krassen in een grammofoonplaat.
NL7712534		1977-11-15

Publications (1)

Publication Number	Publication Date
CA1110548A true CA1110548A (fr)	1981-10-13

Family

ID=19829537

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA314,371A Expired CA1110548A (fr)	1977-11-15	1978-10-26	Circuit eliminateur du bruit cause par les eraflures d'un disque phonographique

Country Status (15)

Country	Link
JP (1)	JPS5479002A (fr)
AR (1)	AR216346A1 (fr)
AT (1)	AT357780B (fr)
BE (1)	BE871969A (fr)
BR (1)	BR7807453A (fr)
CA (1)	CA1110548A (fr)
DE (1)	DE2849375A1 (fr)
ES (1)	ES475021A1 (fr)
FR (1)	FR2408965A1 (fr)
GB (1)	GB2007945B (fr)
HK (1)	HK33882A (fr)
IT (1)	IT1101046B (fr)
MX (1)	MX147638A (fr)
NL (1)	NL7712534A (fr)
SE (1)	SE7811667L (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2916127C2 (de) *	1978-04-21	1984-03-22	Nippon Telegraph & Telephone Public Corp., Tokyo	Einrichtung zur Unterdrückung vorübergehend auftretender Störgeräusche
DE3016779C2 (de) *	1980-04-30	1986-09-18	Siemens AG, 1000 Berlin und 8000 München	Knackschutz für die digitale Tonprogrammübertragung
DE3212615C2 (de) *	1982-04-05	1984-09-06	Bayerische Motoren Werke AG, 8000 München	Verfahren zum Umschalten der Wiedergabe eines Rundfunksignals auf ein anderes Rundfunksignal und Schaltungsanordnung zur Durchführung des Verfahrens
NL8402322A (nl) *	1984-07-23	1986-02-17	Philips Nv	Inrichting voor het detekteren van impulsachtige storingen, en een inrichting voor het onderdrukken van impulsachtige storingen voorzien van een inrichting voor het detekteren van impulsachtige storingen.
FR3165636A1 (fr)	2024-08-19	2026-02-20	Commissariat A L'energie Atomique Et Aux Energies Alternatives	Dispositif d’interconnexion de cellules photovoltaïques
FR3165635A1 (fr)	2024-08-19	2026-02-20	Commissariat A L'energie Atomique Et Aux Energies Alternatives	Dispositif d’interconnexion de cellules photovoltaïques

1977
- 1977-11-15 NL NL7712534A patent/NL7712534A/xx not_active Application Discontinuation
1978
- 1978-10-12 AR AR274059A patent/AR216346A1/es active
- 1978-10-26 CA CA314,371A patent/CA1110548A/fr not_active Expired
- 1978-11-10 GB GB7844030A patent/GB2007945B/en not_active Expired
- 1978-11-10 IT IT29694/78A patent/IT1101046B/it active
- 1978-11-10 MX MX175572A patent/MX147638A/es unknown
- 1978-11-13 FR FR7831985A patent/FR2408965A1/fr not_active Withdrawn
- 1978-11-13 ES ES475021A patent/ES475021A1/es not_active Expired
- 1978-11-13 SE SE7811667A patent/SE7811667L/xx unknown
- 1978-11-13 BE BE191692A patent/BE871969A/fr unknown
- 1978-11-13 BR BR7807453A patent/BR7807453A/pt unknown
- 1978-11-13 AT AT811878A patent/AT357780B/de active
- 1978-11-14 DE DE19782849375 patent/DE2849375A1/de not_active Withdrawn
- 1978-11-15 JP JP14171078A patent/JPS5479002A/ja active Pending
1982
- 1982-07-22 HK HK338/82A patent/HK33882A/xx unknown

Also Published As

Publication number	Publication date
GB2007945B (en)	1982-05-06
HK33882A (en)	1982-07-30
MX147638A (es)	1982-12-24
DE2849375A1 (de)	1979-05-17
FR2408965A1 (fr)	1979-06-08
SE7811667L (sv)	1979-05-16
NL7712534A (nl)	1979-05-17
AT357780B (de)	1980-07-25
IT7829694A0 (it)	1978-11-10
GB2007945A (en)	1979-05-23
AR216346A1 (es)	1979-12-14
ES475021A1 (es)	1979-04-16
BR7807453A (pt)	1979-07-17
ATA811878A (de)	1979-12-15
JPS5479002A (en)	1979-06-23
IT1101046B (it)	1985-09-28
BE871969A (fr)	1979-05-14

Legal Events

Date	Code	Title	Description
1998-10-13	MKEX	Expiry

Publication	Publication Date	Title
CA1293454C (fr)	1991-12-24	Dispositif d'abattement des bruits parasites dans un systeme electroacoustique
US4135590A (en)	1979-01-23	Noise suppressor system
US5144675A (en)	1992-09-01	Variable recovery time circuit for use with wide dynamic range automatic gain control for hearing aid
US3795876A (en)	1974-03-05	Compression and/or expansion system and circuit
US4829299A (en)	1989-05-09	Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading
US4119812A (en)	1978-10-10	Signal defect detection and compensation with signal de-emphasis
EP0237203A2 (fr)	1987-09-16	Circuit pour prothèse auditive
CA1110548A (fr)	1981-10-13	Circuit eliminateur du bruit cause par les eraflures d'un disque phonographique
GB2068678A (en)	1981-08-12	Equalizing system
GB2086195A (en)	1982-05-06	Noise reducing apparatus
US4370681A (en)	1983-01-25	Gain control circuit for noise reduction system
US3379839A (en)	1968-04-23	Magnetic recording dynamic range compressor/expander system
JPH0134413B2 (fr)	1989-07-19
US4550426A (en)	1985-10-29	Method and means of detecting the presence of a signal representing voice and of compressing the level of the signal
US4221930A (en)	1980-09-09	FM Defect compensation apparatus
NL8400495A (nl)	1985-09-16	In versterking geregelde versterkerinrichting.
GB2098031A (en)	1982-11-10	Noise reducing apparatus
US4250471A (en)	1981-02-10	Circuit detector and compression-expansion networks utilizing same
US3691465A (en)	1972-09-12	Low level am detector and automatic gain control network
GB2052220A (en)	1981-01-21	Information signal processing companding
US3946249A (en)	1976-03-23	Signal control circuit
GB2037127A (en)	1980-07-02	Electronic switching system for reducing noise transients
US3959732A (en)	1976-05-25	Signal processing system and method
CN1285133A (zh)	2001-02-21	音频系统的峰－峰信号检测器
GB984588A (en)	1965-02-24	Squelch circuit