SE445697B - Anordning for eliminering av brum i en signal - Google Patents

Anordning for eliminering av brum i en signal

Info

Publication number
SE445697B
SE445697B SE8405878A SE8405878A SE445697B SE 445697 B SE445697 B SE 445697B SE 8405878 A SE8405878 A SE 8405878A SE 8405878 A SE8405878 A SE 8405878A SE 445697 B SE445697 B SE 445697B
Authority
SE
Sweden
Prior art keywords
signal
hum
circuit
input
output
Prior art date
Application number
SE8405878A
Other languages
English (en)
Swedish (sv)
Other versions
SE8405878D0 (sv
SE8405878L (sv
Inventor
Jiri Klokocka
Original Assignee
Jiri Klokocka
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 by Jiri Klokocka filed Critical Jiri Klokocka
Priority to SE8405878A priority Critical patent/SE445697B/sv
Publication of SE8405878D0 publication Critical patent/SE8405878D0/xx
Priority to JP60505272A priority patent/JPS62501254A/ja
Priority to PCT/SE1985/000471 priority patent/WO1986003354A1/en
Priority to US06/881,360 priority patent/US4733193A/en
Priority to EP85905940A priority patent/EP0203142A1/de
Publication of SE8405878L publication Critical patent/SE8405878L/
Publication of SE445697B publication Critical patent/SE445697B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H3/00—Instruments in which the tones are generated by electromechanical means
    • G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
    • G10H3/14—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means
    • G10H3/18—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a string, e.g. electric guitar

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
SE8405878A 1984-11-21 1984-11-21 Anordning for eliminering av brum i en signal SE445697B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8405878A SE445697B (sv) 1984-11-21 1984-11-21 Anordning for eliminering av brum i en signal
JP60505272A JPS62501254A (ja) 1984-11-21 1985-11-19 信号ハムを排除するための装置
PCT/SE1985/000471 WO1986003354A1 (en) 1984-11-21 1985-11-19 An arrangement for eliminating signal hum
US06/881,360 US4733193A (en) 1984-11-21 1985-11-19 Arrangement for eliminating signal hum
EP85905940A EP0203142A1 (de) 1984-11-21 1985-11-19 Anordung zur beseitigung von signalbrummen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8405878A SE445697B (sv) 1984-11-21 1984-11-21 Anordning for eliminering av brum i en signal

Publications (3)

Publication Number Publication Date
SE8405878D0 SE8405878D0 (sv) 1984-11-21
SE8405878L SE8405878L (sv) 1986-05-22
SE445697B true SE445697B (sv) 1986-07-07

Family

ID=20357855

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8405878A SE445697B (sv) 1984-11-21 1984-11-21 Anordning for eliminering av brum i en signal

Country Status (5)

Country Link
US (1) US4733193A (de)
EP (1) EP0203142A1 (de)
JP (1) JPS62501254A (de)
SE (1) SE445697B (de)
WO (1) WO1986003354A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2685917B2 (ja) * 1989-08-31 1997-12-08 株式会社東芝 消音装置
US5142164A (en) * 1990-03-26 1992-08-25 Illinois Institute Of Technology Subharomic noise reduction circuit
US5638022A (en) * 1992-06-25 1997-06-10 Noise Cancellation Technologies, Inc. Control system for periodic disturbances
ATE191303T1 (de) * 1992-06-25 2000-04-15 Noise Cancellation Tech System zur reduktion von periodischen störungen
US5365197A (en) * 1993-06-30 1994-11-15 Texas Instruments Incorporated Low-noise distributed amplifier
US6694029B2 (en) 2001-09-14 2004-02-17 Fender Musical Instruments Corporation Unobtrusive removal of periodic noise

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383451A1 (fr) * 1977-03-11 1978-10-06 Thomson Csf Circuit a recirculation pour repetition d'un signal analogique impulsionnel, et systeme comportant un tel circuit
US4328591A (en) * 1979-04-23 1982-05-04 Baghdady Elie J Method and apparatus for signal detection, separation and suppression
DE3110602C2 (de) * 1980-03-28 1985-07-04 Nippon Telegraph & Telephone Public Corp., Tokio/Tokyo Interferenz-Kompensationssystem
US4379994A (en) * 1981-03-16 1983-04-12 The United States Of America As Represented By The Secretary Of The Navy Feed-forward amplifier

Also Published As

Publication number Publication date
EP0203142A1 (de) 1986-12-03
US4733193A (en) 1988-03-22
SE8405878D0 (sv) 1984-11-21
WO1986003354A1 (en) 1986-06-05
JPS62501254A (ja) 1987-05-14
SE8405878L (sv) 1986-05-22

Similar Documents

Publication Publication Date Title
CA2314108C (en) Feed forward amplifier with digital intermodulation control
KR100292364B1 (ko) 뉴럴네트워크기반위상동기루프
EP0843502A1 (de) Schaltung zur Erkennung und Verhinderung von akustischen Rückkopplungen und Verwendung einer derartigen Schaltung in einem Lautsprechersystem
JP3863294B2 (ja) ノイズ低減信号処理回路および映像表示装置
JPH08502396A (ja) 音響フィードバックを補償する補聴器
SE445697B (sv) Anordning for eliminering av brum i en signal
JPH05219180A (ja) 音声端末の音量制御回路装置
US3808370A (en) System using adaptive filter for determining characteristics of an input
US20030026418A1 (en) Dynamically adjustable digital gyrator having extendable feedback for stable DC load line
KR950013627B1 (ko) 고스트 제거 회로
WO2001084707A3 (en) Adaptive phase and amplitude linearization method and apparatus
JPH0557767B2 (de)
JP3037002B2 (ja) 信号処理装置
Wei et al. A new algorithm for howling detection [acoustic feedback howling]
JP2004194355A (ja) 自動利得制御回路
US7103122B2 (en) Noise canceller
WO2005020432A2 (en) Harmonic generator and pre-amp
US20060061394A1 (en) Quasi-peak detector with inductor
JP2000285360A (ja) 信号処理装置
JPH05259783A (ja) トーンコントロール回路
Littlewood et al. Reconfigurable IP-Based Spectral Interference Canceller
JPH06303690A (ja) マイクロホン装置
JPS60117922A (ja) ディジタル・アナログ変換回路
JPS61106000A (ja) 自動ハウリング防止装置
KR960008785A (ko) 디지탈 잡음 감쇠기

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8405878-3

Effective date: 19891120

Format of ref document f/p: F