Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1979-07-11
1981-11-10
Brigance, Gerald L.
Communications: electrical
Condition responsive indicating system
Specific condition
340624, 12820726, 12820222, G08B 2100
Patent
active
043001319
ABSTRACT:
An alarm for indicating a lack of liquid in an ultrasonic nebulizer is disclosed. The alarm is responsive to a level sensing device in the nebulizer used to terminate oscillation in response to a low liquid level situation.
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patent: 3412392 (1968-11-01), Jenkins et al.
patent: 3849771 (1974-11-01), Applin
patent: 3989042 (1976-11-01), Mitsui et al.
patent: 4080828 (1978-03-01), Akita et al.
Mitsui Sadao
Takahashi Minoru
Watanabe Keiichi
Brigance Gerald L.
TDK Electronics Co, Ltd.
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