AT357780B - CIRCUIT ARRANGEMENT FOR SUPPRESSING TONE FREQUENCY INTERFERENCE IN A SIGNAL FROM A RECORD - Google Patents

CIRCUIT ARRANGEMENT FOR SUPPRESSING TONE FREQUENCY INTERFERENCE IN A SIGNAL FROM A RECORD

Info

Publication number: AT357780B
Authority: AT; Austria
Prior art keywords: record; signal; circuit arrangement; frequency interference; tone frequency
Prior art date: 1977-11-15

Application number

AT811878A

Other languages

German (de)

Other versions

ATA811878A (en

Original Assignee

Philips 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

1978-11-13

Publication date

1980-07-25

1978-11-13 Application filed by Philips Nv filed Critical Philips Nv

1979-12-15 Publication of ATA811878A publication Critical patent/ATA811878A/en

1980-07-25 Application granted granted Critical

1980-07-25 Publication of AT357780B publication Critical patent/AT357780B/en

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
- H03G3/3005—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)

AT811878A 1977-11-15 1978-11-13 CIRCUIT ARRANGEMENT FOR SUPPRESSING TONE FREQUENCY INTERFERENCE IN A SIGNAL FROM A RECORD AT357780B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7712534A NL7712534A (en)	1977-11-15	1977-11-15	CIRCUIT FOR SUPPRESSING FAULTS DUE TO SCRATCHES IN A GRAMOPHONE DISC.

Publications (2)

Publication Number	Publication Date
ATA811878A ATA811878A (en)	1979-12-15
AT357780B true AT357780B (en)	1980-07-25

Family

ID=19829537

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT811878A AT357780B (en)	1977-11-15	1978-11-13	CIRCUIT ARRANGEMENT FOR SUPPRESSING TONE FREQUENCY INTERFERENCE IN A SIGNAL FROM A RECORD

Country Status (15)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2916127C2 (en) *	1978-04-21	1984-03-22	Nippon Telegraph & Telephone Public Corp., Tokyo	Device for the suppression of temporarily occurring interfering noises
DE3016779C2 (en) *	1980-04-30	1986-09-18	Siemens AG, 1000 Berlin und 8000 München	Click protection for digital audio program transmission
DE3212615C2 (en) *	1982-04-05	1984-09-06	Bayerische Motoren Werke AG, 8000 München	Method for switching the reproduction of a broadcast signal to another broadcast signal and circuit arrangement for carrying out the method
NL8402322A (en) *	1984-07-23	1986-02-17	Philips Nv	DEVICE FOR DETECTING IMPULSE INTERFERENCES, AND A DEVICE FOR SUPPRESSING IMPULSE INTERFERENCES, INCLUDING DEVICE FOR DETECTING IMPULSE INTERFERENCES.
FR3165636A1 (en)	2024-08-19	2026-02-20	Commissariat A L'energie Atomique Et Aux Energies Alternatives	Photovoltaic cell interconnection device
FR3165635A1 (en)	2024-08-19	2026-02-20	Commissariat A L'energie Atomique Et Aux Energies Alternatives	Photovoltaic cell interconnection device

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

Also Published As

Publication number	Publication date
GB2007945A (en)	1979-05-23
FR2408965A1 (en)	1979-06-08
NL7712534A (en)	1979-05-17
GB2007945B (en)	1982-05-06
CA1110548A (en)	1981-10-13
ES475021A1 (en)	1979-04-16
ATA811878A (en)	1979-12-15
MX147638A (en)	1982-12-24
DE2849375A1 (en)	1979-05-17
BR7807453A (en)	1979-07-17
HK33882A (en)	1982-07-30
AR216346A1 (en)	1979-12-14
BE871969A (en)	1979-05-14
IT7829694A0 (en)	1978-11-10
SE7811667L (en)	1979-05-16
JPS5479002A (en)	1979-06-23
IT1101046B (en)	1985-09-28

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