Device for measuring angle positions

Details Device for measuring angle positions Device for measuring angle positions

2008-01-22

2008-01-22

Phan, Dao (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Beacon or receiver

C342S070000, C342S374000

Reexamination Certificate

active

07321332

ABSTRACT:
In a device for measuring angular positions by using radar pulses and mutually overlapping beam characteristics of at least two antenna elements, a switchable phase shifter is provided in the signal path of at least one antenna element which is switchable in the time-division multiplexing between different phase states. For the radar received signals, an evaluation device is provided for the joint and especially simultaneous evaluation of signals of two antenna elements with the participation of antenna element, in whose signal path a switchable phase shifter is provided.

REFERENCES:
patent: 4232266 (1980-11-01), Acampora
patent: 4280128 (1981-07-01), Masak
patent: 4387375 (1983-06-01), Kleiber et al.
patent: 4686533 (1987-08-01), MacDonald et al.
patent: 5017927 (1991-05-01), Agrawal et al.
patent: 5172122 (1992-12-01), Peregrim et al.
patent: 5706012 (1998-01-01), Kay
patent: 5831570 (1998-11-01), Ammar et al.
patent: 6504505 (2003-01-01), Yung
patent: 2004/0234012 (2004-11-01), Rooyen
patent: WO 00 49423 (2000-08-01), None
M. Skolnik, Introduction to Radar Systems, second edition, McGraw Hill Book Company, 1980, pp. 160 and 161.

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