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Low distortion ECG filter


, : Low distortion ECG filter. Official Gazette of the United States Patent & Trademark Office Patents 1285(5), Aug 31

A low pass filter especially adapted for use with ECG equipment designed to negate any noise energy that may be superimposed upon the ECG signal itself. A plurality of low-pass FIR filter stages are connected in tandem between a signal input point and a signal output point where each of the stages has a distinct cut-off frequency characteristic. Means are provided for selectively turning ones of the plurality of stages on or off.

US$29.90


Other references

Anonymous, 1956: Engineering problems and construction in permafrost regions, 3. Pages 53 1956

Kutscha-Lissberg, F.; Hebler, U.; Kälicke, T.; Arens, S., 2004: Principles of surgical therapy concepts for postoperative and chronic osteomyelitis. Infection of the bone is one of the most serious complications in the field of orthopedic and trauma orthopedic surgery. Sufficient treatment protocols not only contain complex surgical procedures but also sophisticated diagnostic tools, proper us...

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Matzku S.; Kirchgessner H.; Broecker E B.; Tilgen W., 1988: Manipulation of melanoma targeting with monoclonal antibodies influences on internalization and release. Based on kinetic data of monoclonal antibody (MAb) uptake, internalization and release, it was found that some antimelanoma MAbs are spontaneously internalized, while others stay at the outside (Matzku et al. Cancer Res., 1986, 46, 3848-3854). Irr...

Romaniuk, A., 1965: Representation of aggression and flight reactions in the hypothalamus of the cat. Experiments were carried out on 35 adult cats, males and females, in which chronic electrodes were implanted in the hypothalamus. Both the aggression and flight reactions were induced by electrical stimulation of the anterior, central and posterio...

Vincent, J., 1975: Contribution to the study on fatty acids of Epidermophyton floccosum. The total lipid content of a dermatophyte, Epidermophyton floccosum, grown under controlled environmental conditions, varies with growth stage and represents 7.0 to 19.8% of the dry weight. The main lipid classes, determined by quantitative thin-l...

Ryan, C., 2001: Tourism in the South Pacific - a case of marginalities. This paper defines marginality and uses it to situate a discussion on the nature of tourism in the South Pacific. Small size, a limited resource base and globalization continue to reinforce the marginalization of the island nation states. This app...

Kruklis, M.V., 1964: Some data on the biology of fruiting in Larix X czekanowskii in the Baikal region. Gives information on the phenology, seasonal pattern of bud development, and pollination and fertilization of this natural hybrid of L. sibirica and L. gmelinii.

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