| |
 |
ADCO Venetian Blind Company Patents |
|
Assignee: ADCO Venetian Blind Company
Address: New York, NY
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4160972 |
Alarm apparatus for movable barrier members |
July 10, 1979 |
| A normally-open magnetic reed switch is mounted on the bottom of a venetian blind or similar barrier and a magnet is mounted in the window sill to hold the switch closed when the barrier is in its normal position. When closed, the switch shorts a timing capacitor in an associated alarm |
|
|
|
