JPS53888B2 - - Google Patents

Info

Publication number
JPS53888B2
JPS53888B2 JP7698872A JP7698872A JPS53888B2 JP S53888 B2 JPS53888 B2 JP S53888B2 JP 7698872 A JP7698872 A JP 7698872A JP 7698872 A JP7698872 A JP 7698872A JP S53888 B2 JPS53888 B2 JP S53888B2
Authority
JP
Japan
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
JP7698872A
Other languages
Japanese (ja)
Other versions
JPS4825427A (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS4825427A publication Critical patent/JPS4825427A/ja
Publication of JPS53888B2 publication Critical patent/JPS53888B2/ja
Expired legal-status Critical Current

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
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP7698872A 1971-08-02 1972-08-02 Expired JPS53888B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16806971A 1971-08-02 1971-08-02

Publications (2)

Publication Number Publication Date
JPS4825427A JPS4825427A (enrdf_load_stackoverflow) 1973-04-03
JPS53888B2 true JPS53888B2 (enrdf_load_stackoverflow) 1978-01-12

Family

ID=22609984

Family Applications (4)

Application Number Title Priority Date Filing Date
JP7698672A Expired JPS5737134B2 (enrdf_load_stackoverflow) 1971-08-02 1972-08-02
JP7698872A Expired JPS53888B2 (enrdf_load_stackoverflow) 1971-08-02 1972-08-02
JP7698772A Expired JPS5737135B2 (enrdf_load_stackoverflow) 1971-08-02 1972-08-02
JP7698572A Expired JPS5625824B2 (enrdf_load_stackoverflow) 1971-08-02 1972-08-02

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP7698672A Expired JPS5737134B2 (enrdf_load_stackoverflow) 1971-08-02 1972-08-02

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP7698772A Expired JPS5737135B2 (enrdf_load_stackoverflow) 1971-08-02 1972-08-02
JP7698572A Expired JPS5625824B2 (enrdf_load_stackoverflow) 1971-08-02 1972-08-02

Country Status (4)

Country Link
US (1) US3729693A (enrdf_load_stackoverflow)
JP (4) JPS5737134B2 (enrdf_load_stackoverflow)
DE (4) DE2237540C2 (enrdf_load_stackoverflow)
GB (4) GB1404333A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55121698U (enrdf_load_stackoverflow) * 1979-02-21 1980-08-29

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3903485A (en) * 1968-01-10 1975-09-02 Ray Milton Dolby Compressors, expanders and noise reduction systems
US3972010A (en) * 1968-01-10 1976-07-27 Ray Milton Dolby Compressors, expanders and noise reduction systems
GB1432763A (en) * 1972-05-02 1976-04-22 Dolby Laboratories Inc Compressors expanders and noise reduction systems
JPS572970B2 (enrdf_load_stackoverflow) * 1973-09-10 1982-01-19
US4045731A (en) * 1974-11-21 1977-08-30 Takeda Riken Kogyo Kabushikikaisha Filter having an automatically controlled variable cut-off frequency
JPS51118718U (enrdf_load_stackoverflow) * 1975-03-19 1976-09-27
US4155041A (en) 1976-05-13 1979-05-15 Burns Richard C System for reducing noise transients
GB1579138A (en) * 1976-07-06 1980-11-12 Sony Corp Noise and cross-talk elimination in recording and reproducing video signals
JPS5313860A (en) * 1976-07-23 1978-02-07 Pioneer Electronic Corp Tone control device
US4068139A (en) * 1976-08-09 1978-01-10 Fairchild Camera And Instrument Corporation IC compatible variable shunt impedance for Dolby B system
JPS5329007A (en) * 1976-08-30 1978-03-17 Victor Co Of Japan Ltd Signal transmitter
JPS5373020A (en) * 1976-12-13 1978-06-29 Victor Co Of Japan Ltd Signal transmission device
JPS53121506A (en) * 1977-03-31 1978-10-24 Pioneer Electronic Corp Signal compressing and expanding device
JPS5439516A (en) * 1977-09-02 1979-03-27 Sanyo Electric Co Ltd Noise reduction unit
US4328465A (en) * 1978-09-26 1982-05-04 Pioneer Electronic Corporation Tone control circuit utilizing variable gain amplifier
JPS55156431A (en) * 1979-05-24 1980-12-05 Sony Corp Noise reduction system
JPS55158715A (en) * 1979-05-29 1980-12-10 Sony Corp Gain control circuit
DE3102945A1 (de) * 1980-05-19 1981-12-24 Hitachi, Ltd., Tokyo Umschaltbarer signalkompressor/signaldehner
US4457014A (en) * 1980-10-03 1984-06-26 Metme Communications Signal transfer and system utilizing transmission lines
JPS57142013A (en) * 1981-02-27 1982-09-02 Sony Corp Active equalizer
WO1983000787A1 (en) * 1981-08-26 1983-03-03 Bloy, Graham, Philip System for maximum efficiency transfer of modulated signals utilizing line systems
JPS57117111A (en) * 1981-11-20 1982-07-21 Matsushita Electric Ind Co Ltd Tape recorder
US4741039A (en) * 1982-01-26 1988-04-26 Metme Corporation System for maximum efficient transfer of modulated energy
JPS58209234A (ja) * 1982-05-29 1983-12-06 Sony Corp ノイズリダクシヨン回路
JPS5933113U (ja) * 1982-08-23 1984-03-01 株式会社東芝 テ−プレコ−ダの切換装置
JPS5995414U (ja) * 1982-12-17 1984-06-28 株式会社日立製作所 ノイズリダクシヨン回路付テ−プレコ−ダ−
US4747141A (en) * 1983-10-24 1988-05-24 Kahn Leonard R AM stereo signal decoder
JPH0725854B2 (ja) * 1984-05-18 1995-03-22 帝国化学産業株式会社 ポリアミド樹脂の水溶化方法
DE3543907A1 (de) * 1985-12-12 1987-06-25 Stefan Knauer Einrichtung zur stoerunterdrueckung bei der uebertragung von niederfrequenzsignalen
JPS6421833U (enrdf_load_stackoverflow) * 1987-07-29 1989-02-03
AU4207089A (en) * 1988-08-23 1990-03-23 B.W.N. Wavepur Rights Company Frequency-compensated linear sliding-band network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1487274A1 (de) * 1965-07-09 1969-04-03 Dowty Electrics Ltd Elektrisches Anzeige-Instrument
GB1120541A (en) * 1965-08-11 1968-07-17 Dolby Ray Milton Improvements in noise reduction systems
GB1253031A (enrdf_load_stackoverflow) * 1968-01-10 1971-11-10
US3631365A (en) * 1968-11-01 1971-12-28 Dolby Laboratories Inc Signal compressors and expanders

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55121698U (enrdf_load_stackoverflow) * 1979-02-21 1980-08-29

Also Published As

Publication number Publication date
DE2237543A1 (de) 1973-02-22
JPS4825425A (enrdf_load_stackoverflow) 1973-04-03
JPS5625824B2 (enrdf_load_stackoverflow) 1981-06-15
DE2237541C2 (de) 1982-08-05
JPS5737135B2 (enrdf_load_stackoverflow) 1982-08-07
DE2237542A1 (de) 1973-02-22
DE2237542C2 (de) 1982-04-29
JPS5737134B2 (enrdf_load_stackoverflow) 1982-08-07
US3729693A (en) 1973-04-24
GB1404331A (en) 1975-08-28
JPS4825427A (enrdf_load_stackoverflow) 1973-04-03
GB1404332A (en) 1975-08-28
JPS4825424A (enrdf_load_stackoverflow) 1973-04-03
DE2237540A1 (de) 1973-02-22
DE2237541A1 (de) 1973-02-22
DE2237540C2 (de) 1982-07-15
JPS4825426A (enrdf_load_stackoverflow) 1973-04-03
DE2237543B2 (de) 1977-12-08
GB1404333A (en) 1975-08-28
GB1404334A (en) 1975-08-28

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