Directivity display device and method

Details Directivity display device and method Directivity display device and method

1979-10-25

1981-11-03

Farley, Richard A.

Communications, electrical: acoustic wave systems and devices

Testing, monitoring, or calibrating

343100AP, 367113, H04R 2900

Patent

active

042989655

ABSTRACT:
A directivity display device and method are disclosed which involve a first saw-tooth generator producing a scan signal and a brilliance modulation circuit producing a brilliance modulated signal derived from the characteristic output of a test object with respect to a rotational angle of the test object. Thereby, the directivity display device makes it possible to display in graphic form a property of the test on a cathode-ray tube with a polar or other coordinate representation.

REFERENCES:
patent: 2701876 (1955-02-01), Mottley et al.
patent: 3622961 (1971-11-01), Vasiloff

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