AT346906B - Signaluebertragungsvorrichtung fuer ein rauschunterdrueckungssystem - Google Patents

Signaluebertragungsvorrichtung fuer ein rauschunterdrueckungssystem

Info

Publication number
AT346906B
AT346906B AT270873A AT270873A AT346906B AT 346906 B AT346906 B AT 346906B AT 270873 A AT270873 A AT 270873A AT 270873 A AT270873 A AT 270873A AT 346906 B AT346906 B AT 346906B
Authority
AT
Austria
Prior art keywords
transmission device
signal transmission
noise reduction
reduction system
noise
Prior art date
Application number
AT270873A
Other languages
English (en)
Other versions
ATA270873A (de
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 ATA270873A publication Critical patent/ATA270873A/de
Application granted granted Critical
Publication of AT346906B publication Critical patent/AT346906B/de

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)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Dc Digital Transmission (AREA)
AT270873A 1972-03-30 1973-03-28 Signaluebertragungsvorrichtung fuer ein rauschunterdrueckungssystem AT346906B (de)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
ATA270873A ATA270873A (de) 1978-04-15
AT346906B true AT346906B (de) 1978-12-11

Family

ID=26644756

Family Applications (1)

Application Number Title Priority Date Filing Date
AT270873A AT346906B (de) 1972-03-30 1973-03-28 Signaluebertragungsvorrichtung fuer ein rauschunterdrueckungssystem

Country Status (12)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909733A (en) * 1973-05-17 1975-09-30 Dolby Laboratories Inc Dynamic range modifying circuits utilizing variable negative resistance
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

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 (de) * 1972-08-23 1982-02-04

Also Published As

Publication number Publication date
DE2312086C3 (de) 1979-10-31
ES413099A1 (es) 1976-01-16
DE2312086A1 (de) 1973-10-31
FR2178108A1 (de) 1973-11-09
JPS5649008B2 (de) 1981-11-19
AR195708A1 (es) 1973-10-31
JPS4910010A (de) 1974-01-29
CH561488A5 (de) 1975-04-30
CA975439A (en) 1975-09-30
IT980703B (it) 1974-10-10
FR2178108B1 (de) 1976-05-21
SE388988B (sv) 1976-10-18
ATA270873A (de) 1978-04-15
DE2312086B2 (de) 1979-03-22
GB1431481A (en) 1976-04-07
BE797480A (fr) 1973-09-28

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee