SE378722B - - Google Patents

Info

Publication number
SE378722B
SE378722B SE7212780A SE1278072A SE378722B SE 378722 B SE378722 B SE 378722B SE 7212780 A SE7212780 A SE 7212780A SE 1278072 A SE1278072 A SE 1278072A SE 378722 B SE378722 B SE 378722B
Authority
SE
Sweden
Application number
SE7212780A
Inventor
N Takahashi
M Kasuga
N Ohsaki
Y Okabe
H Sekiguchi
Original Assignee
Victor Company Of Japan
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 JP7753271A external-priority patent/JPS5215941B2/ja
Priority claimed from JP3894172A external-priority patent/JPS5245461B2/ja
Application filed by Victor Company Of Japan filed Critical Victor Company Of Japan
Publication of SE378722B publication Critical patent/SE378722B/xx

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
    • H03G7/08—Volume compression or expansion in amplifiers having semiconductor devices incorporating negative feedback
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SE7212780A 1971-10-05 1972-10-04 SE378722B (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7753271A JPS5215941B2 (ja) 1971-10-05 1971-10-05
JP3894172A JPS5245461B2 (ja) 1972-04-18 1972-04-18

Publications (1)

Publication Number Publication Date
SE378722B true SE378722B (ja) 1975-09-08

Family

ID=26378251

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7212780A SE378722B (ja) 1971-10-05 1972-10-04

Country Status (7)

Country Link
US (1) US3798562A (ja)
CA (1) CA955857A (ja)
DE (1) DE2248831C3 (ja)
DK (1) DK142097B (ja)
GB (1) GB1401336A (ja)
NL (1) NL7213374A (ja)
SE (1) SE378722B (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5250646B2 (ja) * 1972-10-16 1977-12-26
US3934202A (en) * 1974-03-25 1976-01-20 Telesonic Systems, Inc. Tour guide system including means for noise and crosstalk suppression
US3980964A (en) * 1974-05-20 1976-09-14 Grodinsky Robert M Noise reduction circuit
US3902131A (en) * 1974-09-06 1975-08-26 Quadracast Systems Tandem audio dynamic range expander
JPS5327010A (en) * 1976-08-25 1978-03-13 Sony Corp Signal tran smitter
US4101849A (en) * 1976-11-08 1978-07-18 Dbx, Inc. Adaptive filter
US4376916A (en) * 1980-05-29 1983-03-15 Cbs Inc. Signal compression and expansion system
JPS5744338A (en) * 1980-08-29 1982-03-12 Victor Co Of Japan Ltd Noise reduction device
JPS5868325A (ja) * 1981-10-19 1983-04-23 Victor Co Of Japan Ltd 雑音低減装置
WO1988001112A1 (en) * 1986-08-09 1988-02-11 Deutsche Thomson-Brandt Gmbh Sound compression and expansion circuit in a useful signal path
CA2003755C (en) * 1989-11-23 2000-02-15 Gary Rogalski Audio signal expander apparatus
GB2264598B (en) * 1992-02-26 1995-10-04 Pioneer Electronic Corp Audio signal processing system
US6172561B1 (en) 1999-09-16 2001-01-09 Philips Electronics N.A. Corp. High volume expander circuit
US8223540B2 (en) * 2007-02-02 2012-07-17 Macronix International Co., Ltd. Method and apparatus for double-sided biasing of nonvolatile memory

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2358045A (en) * 1942-08-06 1944-09-12 Bell Telephone Labor Inc Noise reduction in signal transmission systems
US3452290A (en) * 1967-09-12 1969-06-24 Automatic Elect Lab Low distortion variolosser
US3631365A (en) * 1968-11-01 1971-12-28 Dolby Laboratories Inc Signal compressors and expanders

Also Published As

Publication number Publication date
DE2248831A1 (de) 1973-04-12
DK142097B (da) 1980-08-25
DK142097C (ja) 1981-01-19
NL7213374A (ja) 1973-04-09
DE2248831C3 (de) 1979-09-06
CA955857A (en) 1974-10-08
US3798562A (en) 1974-03-19
DE2248831B2 (de) 1973-12-13
GB1401336A (en) 1975-07-16

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