NO834015L - Innretning for automatisk opphevelse av elektriske forstyrrelser - Google Patents

Innretning for automatisk opphevelse av elektriske forstyrrelser

Info

Publication number
NO834015L
NO834015L NO834015A NO834015A NO834015L NO 834015 L NO834015 L NO 834015L NO 834015 A NO834015 A NO 834015A NO 834015 A NO834015 A NO 834015A NO 834015 L NO834015 L NO 834015L
Authority
NO
Norway
Prior art keywords
frequency
amplitude
notch
band
receiver
Prior art date
Application number
NO834015A
Other languages
English (en)
Norwegian (no)
Inventor
Claude Andrew Sharpe
Cecil C Ho
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of NO834015L publication Critical patent/NO834015L/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B1/1036Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08Systems for determining direction or position line
    • G01S1/20Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/24Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
    • G01S1/245Details of receivers cooperating therewith, e.g. determining positive zero crossing of third cycle in LORAN-C
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B2001/1063Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal using a notch filter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Removal Of Insulation Or Armoring From Wires Or Cables (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
NO834015A 1982-11-04 1983-11-03 Innretning for automatisk opphevelse av elektriske forstyrrelser NO834015L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/439,096 US4539566A (en) 1982-11-04 1982-11-04 Automatic interference canceling apparatus

Publications (1)

Publication Number Publication Date
NO834015L true NO834015L (no) 1984-05-07

Family

ID=23743274

Family Applications (1)

Application Number Title Priority Date Filing Date
NO834015A NO834015L (no) 1982-11-04 1983-11-03 Innretning for automatisk opphevelse av elektriske forstyrrelser

Country Status (5)

Country Link
US (1) US4539566A (da)
EP (1) EP0113171A3 (da)
JP (1) JPS59132246A (da)
DK (1) DK500983A (da)
NO (1) NO834015L (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812851A (en) * 1985-10-31 1989-03-14 Digital Marine Electronics Corporation Radio receiver with automatic interference cancellation
JPH0743422B2 (ja) * 1986-04-16 1995-05-15 古野電気株式会社 ロランc受信機における妨害電波除去装置
US6515599B1 (en) * 2000-03-22 2003-02-04 Lucent Technologies Inc. High-power selective signal attenuator and method of attenuation
US7010025B1 (en) * 2000-05-22 2006-03-07 Globespanvirata, Inc. Circuit and method for an improved front end in duplex signal communication systems
JP4282490B2 (ja) * 2004-01-06 2009-06-24 パナソニック株式会社 フィルタ自動調整装置及び通信機
DE102008031643A1 (de) * 2008-07-04 2010-01-07 Continental Automotive Gmbh Empfängeranordnung, insbesondere zum Einsatz in Kraftfahrzeugen
CN101650414B (zh) * 2009-08-10 2012-05-30 北京华力创通科技股份有限公司 卫星接收机中使用载波环来辅助码环的方法和装置
US9088328B2 (en) * 2011-05-16 2015-07-21 Intel Mobile Communications GmbH Receiver of a mobile communication device
RU2502185C2 (ru) * 2011-10-10 2013-12-20 Юрий Анатольевич Кропотов Устройство адаптивного подавления акустических шумов и акустических сосредоточенных помех
US9667306B2 (en) * 2011-10-26 2017-05-30 Adam James Wang Multimode multiband wireless device with broadband power amplifier
US10938360B1 (en) 2011-10-26 2021-03-02 Micro Mobio Corporation Multimode multiband wireless device with broadband power amplifier
US11353537B2 (en) * 2019-05-01 2022-06-07 Eagle Technology, Llc Loran device with interference cancellation and interference canceller device with related methods
US10637489B1 (en) * 2019-06-05 2020-04-28 Infineon Technologies Ag Detecting signal disturbance using asynchronous counter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783397A (en) * 1968-09-27 1974-01-01 Itt Selection and processing system for signals, including frequency discriminator
US4134117A (en) * 1977-10-19 1979-01-09 Texas Instruments Incorporated Loran C receiver
US4461036A (en) * 1977-11-01 1984-07-17 Masco Corporation Of Indiana Processor controlled scanning radio receiver
JPS622038B2 (da) * 1979-12-26 1987-01-17 Daiyamondo Shamurotsuku Tekunorojiizu Sa
JPS5817734A (ja) * 1981-07-23 1983-02-02 Japan Radio Co Ltd ロランc受信機用ノッチフィルタ装置

Also Published As

Publication number Publication date
US4539566A (en) 1985-09-03
JPS59132246A (ja) 1984-07-30
DK500983D0 (da) 1983-11-01
EP0113171A3 (en) 1985-11-27
DK500983A (da) 1984-05-05
EP0113171A2 (en) 1984-07-11

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