Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Patent
1994-01-24
1996-12-17
Eldred, J. Woodrow
Communications, electrical: acoustic wave systems and devices
Echo systems
Distance or direction finding
367908, 367165, 73290V, G01F 2300
Patent
active
055860850
ABSTRACT:
A container having affixed thereto an ultrasonic transducer, including a connection for electrically linking the transducer to electronic circuitry located outside the container. Flexible and semi-rigid containers having rigid structures surrounding the signal path of an ultrasonic transducer are also provided. In addition, adaptors are disclosed for use in connecting an ultrasonic transducer to a container. Such adaptors can include a rigid tubular member, a tubular outlet connected to the tubular member for draining liquid from a container, and a seat for engaging an ultrasonic transducer.
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