Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With waveguide or long line
Patent
1998-09-14
1999-08-03
Nguyen, Vinh P.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With waveguide or long line
324750, G01R 2104, G01R 3102
Patent
active
059329998
ABSTRACT:
An EM radiation measuring apparatus. An antenna element matrix (20) on a substrate includes 1st to Lth arrays (4) which are successively arranged in an X direction. Each of the 1st to Lth arrays includes antenna elements arranged in Y direction and having a column output terminal (7), each antenna element receiving an EM radiation from a target and generating a detection signal. A signal selector (5, 3, 2, 7) responsive to X and Y selection signals selectively amplifies and supplies the detection signal from one of antenna elements to one of the column output terminals. 1st to Nth signal outputting circuits selectively couple the column output terminals to provide a single output detection signal. The inputs of the 1st signal outputting circuits are connected to the column output terminals respectively, and each of the 1st to Nth outputting circuits has a transmission line(s) substantially extending in the X direction to connect its output terminals to an input of the next outputting circuit.
REFERENCES:
patent: 4829238 (1989-05-01), Goulette et al.
Matsushita Electric - Industrial Co., Ltd.
Nguyen Vinh P.
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