Alarm device for magneto-optical disc drive unit

Details Alarm device for magneto-optical disc drive unit Alarm device for magneto-optical disc drive unit

1992-11-06

1994-10-11

Swann, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340595, 340607, 340653, 364184, 371 14, G08B 2100

Patent

active

053551214

ABSTRACT:
An alarm device is provided with a temperature sensor for detecting an internal temperature of a magneto-optical disc drive unit having a cooling fan and a replaceable dust filter. When the internal temperature becomes higher than or equal to a predetermined temperature due to the breakdown of the fan or the silting of the filter, the alarm device indicates an abnormal condition of the drive unit by flashing an operation indicating lamp.

REFERENCES:
patent: 3781839 (1973-12-01), Bodge
patent: 5115225 (1992-05-01), Dao et al.

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