Communications – electrical: acoustic wave systems and devices – Echo systems
Patent
1986-03-18
1987-09-22
Buczinski, Stephen C.
Communications, electrical: acoustic wave systems and devices
Echo systems
367 99, 367140, G01S 966, H04R 102
Patent
active
046959858
ABSTRACT:
A cylindrical member for preventing a roundabout of the supersonic wave is arranged around the transmitting and receiving opening of one of the sender or receiver of a supersonic wave device for a vehicle which is installed on the vehicle. Thereby the phenomenon of the roundabout of the supersonic wave is reduced and at the same time the duration time of phenomenon of the roundabout of the supersonic wave is decreased and the object of the short distance can be sensed.
REFERENCES:
patent: 3296586 (1967-01-01), Midlock et al.
patent: 4155066 (1979-05-01), Galvin et al.
patent: 4463453 (1984-07-01), Cohen et al.
Buczinski Stephen C.
Koltak Melissa L.
Niles Parts Co., Ltd
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