Communications: electrical – Continuously variable indicating – With particular transmitter
Patent
1989-07-14
1991-02-19
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With particular transmitter
34087034, G08C 1906, G08C 1938
Patent
active
049947990
ABSTRACT:
In a system for the electrical transmission of an angular position, in particular from a measurement instrument to an indicating instrument, in which a transmitter and a receiver each have a rotor and a stator which has multiple pairs of poles, an alternating voltage is fed to a winding of the rotor of the transmitter, and voltages induced in the windings of the stator of the transmitter are transmitted to the windings of the stator of the receiver. The winding of the rotor of the receiver is connected to a phase-sensitive rectifier to which the alternating voltage which is also transmitted can furthermore be fed. The output of the phase-sensitive rectifier is connected to a controller for a motor which is provided for driving the rotor of the receiver and the indicating instrument.
REFERENCES:
patent: 2724969 (1955-11-01), Bloser
patent: 2901680 (1959-08-01), Goldman, Jr.
patent: 3156907 (1964-11-01), Lanning et al.
patent: 3696363 (1972-10-01), Ljung
patent: 3825911 (1974-07-01), Burns
patent: 4193059 (1980-03-01), Harris
patent: 4268819 (1981-05-01), Wakayama
patent: 4619230 (1986-10-01), Collonia
Farber Martin A.
Lau Yuk H.
VDO Adolf Schindling AG
Yusko Donald J.
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