Impulse radar studfinder

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters

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324 67, 342 22, 342 27, G01S 1304, G01R 2902

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active

054573947

ABSTRACT:
An impulse radar studfinder propagates electromagnetic pulses and detects reflected pulses from a fixed range. Unmodulated pulses, about 200 ps wide, are emitted. A large number of reflected pulses are sampled and averaged. Background reflections are subtracted. Reflections from wall studs or other hidden objects are detected and displayed using light emitting diodes.

REFERENCES:
patent: 3102232 (1963-08-01), Leonard et al.
patent: 4008469 (1977-02-01), Chapman
patent: 4023154 (1977-05-01), Comeaux
patent: 4057708 (1977-11-01), Greeley et al.
patent: 4072942 (1978-02-01), Alongi
patent: 4099118 (1978-07-01), Franklin et al.
patent: 4132943 (1979-01-01), Gournay et al.
patent: 4464622 (1984-08-01), Franklin
S.V.B; news Ground-piercing radar aims at commercial market, Microwaves Dec. 1973, p. 12.
Ludien, Jerry R. "Terrain Analysis by Electromagnetic Means; Radar Responses to Laboratory Prepared Samples"; U.S. Army Engineer Waterways Experiment Station Corps of Engineers, Technical Report No. 3-693, Report 2, pp. III-IV and 1-23, Sep. 1966.

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