NL175570B - NOISE REDUCTION DEVICE. - Google Patents

NOISE REDUCTION DEVICE.

Info

Publication number: NL175570B
Authority: NL; Netherlands
Prior art keywords: noise reduction; reduction device; noise; reduction
Prior art date: 1971-07-24

Application number

NLAANVRAGE7210201,A

Other languages

Dutch (nl)

Other versions

NL175570C (en

NL7210201A (en

Original Assignee

Sony Corp

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.)

1971-07-24

Filing date

1972-07-24

Publication date

1984-06-18

1972-07-24 Application filed by Sony Corp filed Critical Sony Corp

1973-01-26 Publication of NL7210201A publication Critical patent/NL7210201A/xx

1984-06-18 Publication of NL175570B publication Critical patent/NL175570B/en

1984-11-16 Application granted granted Critical

1984-11-16 Publication of NL175570C publication Critical patent/NL175570C/en

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
- H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression

NLAANVRAGE7210201,A 1971-07-24 1972-07-24 NOISE REDUCTION DEVICE. NL175570C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP5552971A JPS5648883B1 (en)	1971-07-24	1971-07-24

Publications (3)

Publication Number	Publication Date
NL7210201A NL7210201A (en)	1973-01-26
NL175570B true NL175570B (en)	1984-06-18
NL175570C NL175570C (en)	1984-11-16

Family

ID=13001242

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7210201,A NL175570C (en)	1971-07-24	1972-07-24	NOISE REDUCTION DEVICE.

Country Status (16)

Country	Link
JP (1)	JPS5648883B1 (en)
AT (1)	AT351826B (en)
AU (1)	AU476805B2 (en)
BE (1)	BE786629A (en)
CA (1)	CA997276A (en)
CH (1)	CH577770A5 (en)
DE (1)	DE2236173C3 (en)
DK (1)	DK146140C (en)
FR (1)	FR2147146B1 (en)
GB (2)	GB1398733A (en)
IT (1)	IT961650B (en)
MY (2)	MY7900107A (en)
NL (1)	NL175570C (en)
NO (1)	NO136325C (en)
SE (1)	SE388330B (en)
ZA (1)	ZA725084B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4263624A (en) *	1978-12-12	1981-04-21	Dolby Laboratories Licensing Corporation	Analog recording on magnetic media
DE3115683C2 (en) *	1981-04-18	1983-07-28	Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen	Circuit arrangement for delayed, automatic gain control
JPS6220405A (en) *	1985-07-18	1987-01-29	Pioneer Electronic Corp	Amplification degree adjusting circuit
DE202007006689U1 (en)	2007-05-07	2008-09-18	Hetal-Werke Franz Hettich Gmbh & Co. Kg	Drive device for a fitting

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE753495A (en) *	1969-07-21	1970-12-16	Dolby Laboratories Inc	PERFECTIONED LIMITER FILTERS FOR NOISE MITIGATION SYSTEMS. (

1971
- 1971-07-24 JP JP5552971A patent/JPS5648883B1/ja active Pending
1972
- 1972-07-21 SE SE7209612A patent/SE388330B/en unknown
- 1972-07-21 CA CA147,668A patent/CA997276A/en not_active Expired
- 1972-07-22 IT IT51694/72A patent/IT961650B/en active
- 1972-07-24 CH CH1103772A patent/CH577770A5/xx not_active IP Right Cessation
- 1972-07-24 NL NLAANVRAGE7210201,A patent/NL175570C/en not_active IP Right Cessation
- 1972-07-24 AU AU44907/72A patent/AU476805B2/en not_active Expired
- 1972-07-24 NO NO2642/72A patent/NO136325C/en unknown
- 1972-07-24 FR FR7226619A patent/FR2147146B1/fr not_active Expired
- 1972-07-24 DE DE2236173A patent/DE2236173C3/en not_active Expired
- 1972-07-24 BE BE786629A patent/BE786629A/en not_active IP Right Cessation
- 1972-07-24 GB GB4724574A patent/GB1398733A/en not_active Expired
- 1972-07-24 DK DK365372A patent/DK146140C/en not_active IP Right Cessation
- 1972-07-24 GB GB3453572A patent/GB1398732A/en not_active Expired
- 1972-07-24 ZA ZA725084A patent/ZA725084B/en unknown
- 1972-07-24 AT AT636372A patent/AT351826B/en not_active IP Right Cessation
1979
- 1979-12-30 MY MY107/79A patent/MY7900107A/en unknown
- 1979-12-30 MY MY106/79A patent/MY7900106A/en unknown

Also Published As

Publication number	Publication date
MY7900107A (en)	1979-12-31
CA997276A (en)	1976-09-21
DE2236173A1 (en)	1973-02-08
ATA636372A (en)	1979-01-15
AU4490772A (en)	1974-01-31
DK146140B (en)	1983-07-04
IT961650B (en)	1973-12-10
NO136325C (en)	1977-08-17
AU476805B2 (en)	1976-10-07
DE2236173C3 (en)	1982-02-11
FR2147146A1 (en)	1973-03-09
GB1398733A (en)	1975-06-25
DK146140C (en)	1983-11-28
NL175570C (en)	1984-11-16
CH577770A5 (en)	1976-07-15
DE2236173B2 (en)	1981-06-19
GB1398732A (en)	1975-06-25
AT351826B (en)	1979-08-10
SE388330B (en)	1976-09-27
MY7900106A (en)	1979-12-31
BE786629A (en)	1972-11-16
JPS5648883B1 (en)	1981-11-18
ZA725084B (en)	1973-04-25
FR2147146B1 (en)	1978-02-10
NO136325B (en)	1977-05-09
NL7210201A (en)	1973-01-26

Publication	Publication Date	Title
BE783967A (en)	1972-11-27	GALVANIZER.
SE382733B (en)	1976-02-09	ENFORCING DEVICE.
NL177964C (en)	1985-12-16	NOISE REDUCTION DEVICE.
NO138650C (en)	1978-10-18	MOUNTING DEVICE.
CH547567A (en)	1974-03-29	TURBOGENERATER.
NL163388C (en)	1980-08-15	NOISE REDUCTION CIRCUIT.
CH555466A (en)	1974-10-31	RETURN DEVICE.
CH553706A (en)	1974-09-13	FOERDERER.
ES168927Y (en)	1972-05-01	DEVICE FOR-MECHAS.
NL153131B (en)	1977-05-16	DRAWING DEVICE.
NL175570C (en)	1984-11-16	NOISE REDUCTION DEVICE.
CH547101A (en)	1974-03-29	TROCART.
DK128427B (en)	1974-04-29	Muffler.
CH547215A (en)	1974-03-29	AEROSOL-VENTIL.
FI52753C (en)	1977-11-10	Sanitary device.
CH546033A (en)	1974-02-28	MILKCUP.
CH553965A (en)	1974-09-13	ORTHOPROJECTION DEVICE.
FI49534C (en)	1975-07-10	Suction device.
SE380695B (en)	1975-11-10	FILTER DEVICE.
BE766327A (en)	1971-09-16	ROEIMECANISM.
BE772932A (en)	1972-01-17	ZITMEUBEL.
BE772416A (en)	1972-01-17	BRILMONTUUR.
ES171253Y (en)	1972-08-01	PORTACEBOS DEVICE.
ES174410Y (en)	1972-12-16	WAX-BRIGHTENING DEVICE.
ES171598Y (en)	1972-07-16	SENOPEIC DEVICE.

Legal Events

Date	Code	Title
1980-12-29	BB	A search report has been drawn up
1981-04-27	BC	A request for examination has been filed
1992-08-17	V4	Lapsed because of reaching the maximum lifetime of a patent