Communications: electrical – Continuously variable indicating – With particular transmitter
Patent
1990-10-02
1992-09-29
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With particular transmitter
310 15, 3408703, G08C 1906, H02K 1100
Patent
active
051516950
ABSTRACT:
A telemetric measuring device for measuring physical conditions of machinery having a periodically moving part. The device generates its own power with power generator that uses the periodic motion of the machinery to move a reciprocator slug inside a coil, and thereby opening and closing a magnetic circuit and generating a continuous alternating current. This current powers a transmitter that receives output from a multi-channel switch for a number of sensors. The transmitter delivers a radio frequency signal, whose frequency is a function of the condition being measured.
REFERENCES:
patent: 3534728 (1970-10-01), Barrows
patent: 3596262 (1971-07-01), Rollwitz et al.
patent: 3696251 (1972-10-01), Last
patent: 3766535 (1973-10-01), Deebel
patent: 3824857 (1974-07-01), Smith
patent: 4875042 (1989-10-01), Oku
patent: 4881071 (1989-11-01), Monterosso
patent: 4945269 (1990-07-01), Kamm
Burrahm Robert W.
Davis James K.
De Los Santos Armando
Perry William D.
Rollwitz William L.
Krakovsky Michael
Southwest Research Institute
Yusko Donald J.
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