NL175570B - NOISE REDUCTION DEVICE. - Google Patents

NOISE REDUCTION DEVICE.

Info

Publication number
NL175570B
NL175570B NLAANVRAGE7210201,A NL7210201A NL175570B NL 175570 B NL175570 B NL 175570B NL 7210201 A NL7210201 A NL 7210201A NL 175570 B NL175570 B NL 175570B
Authority
NL
Netherlands
Prior art keywords
noise reduction
reduction device
noise
reduction
Prior art date
Application number
NLAANVRAGE7210201,A
Other languages
Dutch (nl)
Other versions
NL7210201A (en
NL175570C (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.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of NL7210201A publication Critical patent/NL7210201A/xx
Publication of NL175570B publication Critical patent/NL175570B/en
Application granted granted Critical
Publication of NL175570C publication Critical patent/NL175570C/en

Links

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) GB1398732A (en)
IT (1) IT961650B (en)
MY (2) MY7900106A (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. (

Also Published As

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

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
V4 Lapsed because of reaching the maximum lifetime of a patent