Snow alarm

Details Snow alarm Snow alarm

1977-06-09

1978-10-31

Schaeffer, Robert K.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

58 19R, 58 38R, 58152B, 307116, 340539, 340580, G04B 2306

Patent

active

041226607

ABSTRACT:
An alarm clock has associated with it an alarm and a snow-sensing means for detecting an accumulation of snow. The clock is provided with means for setting an alarm at two individually presettable times, one of which is set for normal waking and the other set in advance of the first to alert the sleeping user at a time earlier than the preset normal wakeup time when there has been an accumulation of snow while he slept.

REFERENCES:
patent: 1369427 (1921-02-01), Hartley
patent: 3259894 (1966-07-01), Ciccarone
patent: 3801779 (1974-04-01), Ver Sluis

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