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Inventor: Greenfield; Arnold
Address: North Miami Beach, FL
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5450065 |
Early warning heat sensor system |
September 12, 1995 |
| A heat-sensitive alarm trigger is used to set off a fire alarm system. The alarm circuit is triggered either when a resistance across two sensor leads, between which the alarm trigger is connected, falls below the rated trigger resistance or when an emf of a certain strength is produced |
| 5384562 |
Early warning heat sensor system |
January 24, 1995 |
| A heat-sensitive alarm trigger is used to set off a fire alarm system having an alarm circuit with a rated trigger resistance. The alarm circuit is triggered when a resistance across two sensor leads, between which the alarm trigger is connected, falls below the rated trigger resistance. |
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