BE470915A - - Google Patents

Info

Publication number
BE470915A
BE470915A BE470915DA BE470915A BE 470915 A BE470915 A BE 470915A BE 470915D A BE470915D A BE 470915DA BE 470915 A BE470915 A BE 470915A
Authority
BE
Belgium
Application number
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.)
Publication of BE470915A publication Critical patent/BE470915A/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
    • H04B1/66—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 reducing bandwidth of signals; for improving efficiency of transmission
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/18—Automatic control in untuned amplifiers
    • H03G5/20—Automatic control in untuned amplifiers having discharge tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
BE470915D 1941-10-08 BE470915A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US414137A US2315249A (en) 1941-10-08 1941-10-08 Pseudo-extension of frequency bands

Publications (1)

Publication Number Publication Date
BE470915A true BE470915A (xx)

Family

ID=23640105

Family Applications (1)

Application Number Title Priority Date Filing Date
BE470915D BE470915A (xx) 1941-10-08

Country Status (3)

Country Link
US (1) US2315249A (xx)
BE (1) BE470915A (xx)
GB (1) GB682233A (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075044A (en) * 1958-05-05 1963-01-22 Tonalyzer Inc Method and apparatus for obtaining sound
US4150253A (en) * 1976-03-15 1979-04-17 Inter-Technology Exchange Ltd. Signal distortion circuit and method of use
US5930373A (en) * 1997-04-04 1999-07-27 K.S. Waves Ltd. Method and system for enhancing quality of sound signal
US6285767B1 (en) 1998-09-04 2001-09-04 Srs Labs, Inc. Low-frequency audio enhancement system
US7031474B1 (en) 1999-10-04 2006-04-18 Srs Labs, Inc. Acoustic correction apparatus
US7277767B2 (en) * 1999-12-10 2007-10-02 Srs Labs, Inc. System and method for enhanced streaming audio
US8050434B1 (en) 2006-12-21 2011-11-01 Srs Labs, Inc. Multi-channel audio enhancement system
WO2013101605A1 (en) 2011-12-27 2013-07-04 Dts Llc Bass enhancement system
US9258664B2 (en) 2013-05-23 2016-02-09 Comhear, Inc. Headphone audio enhancement system

Also Published As

Publication number Publication date
GB682233A (en) 1952-11-05
US2315249A (en) 1943-03-30

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