Pulse or digital communications – Receivers – Interference or noise reduction
Patent
1997-02-06
2000-09-19
Chin, Stephen
Pulse or digital communications
Receivers
Interference or noise reduction
375351, 327310, 348607, H04B 110, H03K 508, H04N 521
Patent
active
061223328
ABSTRACT:
A high-frequency radio signal receiving apparatus for digital communication includes a receiving antenna for receiving a high-frequency radio wave, a frequency converter for converting a signal supplied from the receiving antenna through a wide-band bandpass filter into a signal of an intermediate frequency band, an impulsive noise detecting unit for detecting impulsive noise on the basis of a signal outputted from the frequency converter. The apparatus further includes an impulsive noise correcting unit for correcting the signal outputted from the frequency converter in dependence on a signal outputted from the impulsive noise detecting unit, and a demodulating unit for demodulating a signal outputted from the impulsive noise correcting unit and supplied by way of a narrow-band bandpass filter.
REFERENCES:
patent: 4466129 (1984-08-01), Skutta
patent: 4517518 (1985-05-01), Ishigaki
patent: 4528678 (1985-07-01), Udren
patent: 4965854 (1990-10-01), Glazebrook
patent: 5210518 (1993-05-01), Graham et al.
patent: 5212827 (1993-05-01), Meszko et al.
patent: 5901172 (1999-05-01), Fontana et al.
Elektor Electronics "Noise Blanker", Jan. 1988, pp. 63.
T.A. Tong, "Noise Silencer for A.M. Receivers", Wireless World, Oct. 1972, pp. 483-484.
Haruyama Hiroaki
Ogata Yoshiyuki
Chin Stephen
Frank Robert J.
Matsushita Electric - Industrial Co., Ltd.
Park Albert
Voorhees Catherine M.
LandOfFree
Apparatus for reducing impulse noise in high-frequency digital r does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for reducing impulse noise in high-frequency digital r, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for reducing impulse noise in high-frequency digital r will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1081084