CH561488A5 - - Google Patents

Info

Publication number
CH561488A5
CH561488A5 CH441973A CH441973A CH561488A5 CH 561488 A5 CH561488 A5 CH 561488A5 CH 441973 A CH441973 A CH 441973A CH 441973 A CH441973 A CH 441973A CH 561488 A5 CH561488 A5 CH 561488A5
Authority
CH
Switzerland
Application number
CH441973A
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.)
Filing date
Publication date
Priority claimed from NL7204290A external-priority patent/NL7204290A/xx
Priority claimed from NL7301752A external-priority patent/NL7301752A/xx
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH561488A5 publication Critical patent/CH561488A5/xx

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Networks Using Active Elements (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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Dc Digital Transmission (AREA)
CH441973A 1972-03-30 1973-03-27 CH561488A5 (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7204290A NL7204290A (enrdf_load_stackoverflow) 1972-03-30 1972-03-30
NL7301752A NL7301752A (enrdf_load_stackoverflow) 1973-02-08 1973-02-08

Publications (1)

Publication Number Publication Date
CH561488A5 true CH561488A5 (enrdf_load_stackoverflow) 1975-04-30

Family

ID=26644756

Family Applications (1)

Application Number Title Priority Date Filing Date
CH441973A CH561488A5 (enrdf_load_stackoverflow) 1972-03-30 1973-03-27

Country Status (12)

Country Link
JP (1) JPS5649008B2 (enrdf_load_stackoverflow)
AR (1) AR195708A1 (enrdf_load_stackoverflow)
AT (1) AT346906B (enrdf_load_stackoverflow)
BE (1) BE797480A (enrdf_load_stackoverflow)
CA (1) CA975439A (enrdf_load_stackoverflow)
CH (1) CH561488A5 (enrdf_load_stackoverflow)
DE (1) DE2312086C3 (enrdf_load_stackoverflow)
ES (1) ES413099A1 (enrdf_load_stackoverflow)
FR (1) FR2178108B1 (enrdf_load_stackoverflow)
GB (1) GB1431481A (enrdf_load_stackoverflow)
IT (1) IT980703B (enrdf_load_stackoverflow)
SE (1) SE388988B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1000617A (en) * 1973-05-17 1976-11-30 Ray M. Dolby Compressors, expanders and noise reduction systems
NL7413514A (nl) * 1974-10-15 1976-04-21 Philips Nv Inrichting voor het naar keuze realiseren van twee onderling komplementaire funkties.
JPS55156431A (en) * 1979-05-24 1980-12-05 Sony Corp Noise reduction system
JPS5762779A (en) * 1980-09-29 1982-04-15 Toshiba Corp Alwave rectifying circuit
LU87145A1 (fr) * 1988-02-26 1989-09-20 Oreal Methode pour ameliorer l'aspect esthetique de la peau a l'aide de melanges polyvitaminiques
JPH0483548A (ja) * 1990-07-24 1992-03-17 Masaya Koyama 泡立機及び泡立容器
RU2421880C1 (ru) * 2010-05-13 2011-06-20 Государственное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ГОУ ВПО "ЮРГУЭС") Широкополосный усилитель

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730576A (en) * 1951-09-17 1956-01-10 Bell Telephone Labor Inc Miniaturized transistor amplifier circuit
GB920723A (en) * 1960-07-07 1963-03-13 Ass Elect Ind Amplifier circuit
US3368158A (en) * 1965-05-14 1968-02-06 Bell Telephone Labor Inc Low-level automatic gain control circuitry
US3444474A (en) * 1965-12-10 1969-05-13 Bell Telephone Labor Inc Active equalizer circuit
JPS576341B2 (enrdf_load_stackoverflow) * 1972-08-23 1982-02-04

Also Published As

Publication number Publication date
AT346906B (de) 1978-12-11
FR2178108B1 (enrdf_load_stackoverflow) 1976-05-21
BE797480A (fr) 1973-09-28
SE388988B (sv) 1976-10-18
ES413099A1 (es) 1976-01-16
DE2312086C3 (de) 1979-10-31
DE2312086A1 (de) 1973-10-31
CA975439A (en) 1975-09-30
GB1431481A (en) 1976-04-07
ATA270873A (de) 1978-04-15
IT980703B (it) 1974-10-10
JPS4910010A (enrdf_load_stackoverflow) 1974-01-29
AR195708A1 (es) 1973-10-31
DE2312086B2 (de) 1979-03-22
JPS5649008B2 (enrdf_load_stackoverflow) 1981-11-19
FR2178108A1 (enrdf_load_stackoverflow) 1973-11-09

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased