Teeth-held head tilt alarm

Details Teeth-held head tilt alarm Teeth-held head tilt alarm

1984-02-17

1985-11-26

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

340576, 200 6147, 200DIG2, 200227, G08B 2300

Patent

active

045556970

ABSTRACT:
An alarm intended to alert the operator of dangerous equipment, such as the driver of an automobile, when his head tilts as from drowsiness or sleep. Intended to be of utmost convenience so as to encourage its use, the device is gripped between the teeth by a mouthpiece. Vibration concomitant with making the sound it emits is partially transmitted through the bone structure of the head, reducing the needed noise level and so the disturbance of nearby persons. The preferred embodiment is sensitive to tilt in any direction, and may be stored inverted in which position it tolerates large tip angles without sounding.

REFERENCES:
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patent: 2713159 (1955-07-01), Morrison
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patent: 4272764 (1981-06-01), Herr et al.
patent: 4333094 (1982-06-01), Osborne
patent: 4354179 (1982-10-01), Fourcade

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