Method and apparatus for the suppression of interference signals

Details Method and apparatus for the suppression of interference signals Method and apparatus for the suppression of interference signals

1979-01-23

1981-01-06

Kamm, William E.

Surgery

Truss

Pad

128419PT, 128901, A61B 504

Patent

active

042430453

ABSTRACT:
In an exemplary embodiment, the interference signals can occur as a mixture consisting of narrow interference pulse peaks of high amplitude and interference hum. It is desirable that such interference peaks and interference hum in a useful signal be suppressed without mutual influencing. To this end, an occurring useful signal having possibly superimposed interference signals is supplied to an interference hum filter. The filtered-out interference hum component is opposingly superimposed on the original signal for the purpose of compensation of the interference hum. This applies only for such a length of time as there are no interference pulse peaks recognized by a recognition installation. If such an interference pulse peak is recognized, the filter is disconnected from the input signal and switched over to self-oscillation operation. An artificial oscillation with an amplitude and frequency equal to that of the previously selected interference hum component is then generated without a phase jump and superimposed on the useful signal. The interference pulse peak is simultaneously blanked out. The exemplary embodiment can be particularly utilized in the case of electrocardiogram processing for the purpose of suppression of pacemaker pulses and power supply hum.

REFERENCES:
patent: 3534282 (1970-10-01), Day
patent: 3569852 (1971-03-01), Berkovits
patent: 3599628 (1971-08-01), Abbenante et al.
patent: 3611174 (1971-10-01), Day
patent: 3769965 (1973-11-01), Raodi et al.
patent: 4041328 (1977-08-01), Maas
patent: 4117848 (1978-10-01), Naylor

Affiliated with

Also associated with

Rating

Method and apparatus for the suppression of interference signals does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for the suppression of interference signals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for the suppression of interference signals will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-280590