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GB2243054B - Radio receiver with noise blanker - Google Patents

Radio receiver with noise blanker

Info

Publication number
GB2243054B
GB2243054B GB9005347A GB9005347A GB2243054B GB 2243054 B GB2243054 B GB 2243054B GB 9005347 A GB9005347 A GB 9005347A GB 9005347 A GB9005347 A GB 9005347A GB 2243054 B GB2243054 B GB 2243054B
Authority
GB
United Kingdom
Prior art keywords
radio receiver
noise blanker
blanker
noise
receiver
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9005347A
Other versions
GB2243054A (en
GB9005347D0 (en
Inventor
Ernst Matthias Konig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Germany GmbH
Original Assignee
Motorola GmbH
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 Motorola GmbH filed Critical Motorola GmbH
Priority to GB9005347A priority Critical patent/GB2243054B/en
Publication of GB9005347D0 publication Critical patent/GB9005347D0/en
Publication of GB2243054A publication Critical patent/GB2243054A/en
Application granted granted Critical
Publication of GB2243054B publication Critical patent/GB2243054B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
GB9005347A 1990-03-09 1990-03-09 Radio receiver with noise blanker Expired - Fee Related GB2243054B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9005347A GB2243054B (en) 1990-03-09 1990-03-09 Radio receiver with noise blanker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9005347A GB2243054B (en) 1990-03-09 1990-03-09 Radio receiver with noise blanker

Publications (3)

Publication Number Publication Date
GB9005347D0 GB9005347D0 (en) 1990-05-02
GB2243054A GB2243054A (en) 1991-10-16
GB2243054B true GB2243054B (en) 1993-12-08

Family

ID=10672335

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9005347A Expired - Fee Related GB2243054B (en) 1990-03-09 1990-03-09 Radio receiver with noise blanker

Country Status (1)

Country Link
GB (1) GB2243054B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195052A (en) * 1962-01-19 1965-07-13 Motorola Inc Radio receiver circuit with audio noise blanker for sustained impulses
EP0018702A1 (en) * 1979-04-30 1980-11-12 Motorola, Inc. Improvements in and relating to noise blanking circuitry in a radio receiver
US4236254A (en) * 1978-03-27 1980-11-25 Motorola, Inc. Radio receiver blanker inhibit circuit
US4856084A (en) * 1988-02-16 1989-08-08 Sprague Electric Company Noise blanking system for an AM radio receiver

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195052A (en) * 1962-01-19 1965-07-13 Motorola Inc Radio receiver circuit with audio noise blanker for sustained impulses
US4236254A (en) * 1978-03-27 1980-11-25 Motorola, Inc. Radio receiver blanker inhibit circuit
EP0018702A1 (en) * 1979-04-30 1980-11-12 Motorola, Inc. Improvements in and relating to noise blanking circuitry in a radio receiver
US4856084A (en) * 1988-02-16 1989-08-08 Sprague Electric Company Noise blanking system for an AM radio receiver

Also Published As

Publication number Publication date
GB2243054A (en) 1991-10-16
GB9005347D0 (en) 1990-05-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee