Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1993-11-17
1996-11-19
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
307 39, 307 60, 307 64, 160 7, 160133, 160310, 74 2, H01H 3700
Patent
active
055765815
ABSTRACT:
Fire control systems and release mechanisms. The release mechanisms of the present invention comprise a digital logic circuit for processing signals which are indicative of a condition in an outside environment, and for providing a trigger that will actuate the mechanical release mechanism in response to the condition, a power circuit for providing regulated power to the electronic circuit in response to the input power, the regulated power being used to operate the digital logic circuit, and a power backup circuit interfaced to the power circuit for providing the regulated power for a predetermined time in the event of an input power failure so that the digital logic circuit can be operated for the predetermined time during the input power failure.
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patent: 5278454 (1994-01-01), Strauss et al.
Cornell Iron Works product brochure (1993).
Cornell Iron Works, Inc. Follow-Up Service Procedure (Type R) Releasing Devices manual, vol. 1 (Revised).
Cornell M581 Fire Door Release Model D manual, vol. 1 (1974).
Cornell M58A Fire Door Release Model E manual, vol. 1 (1974).
Cornell Iron Works, Inc. Follow-Up Service Procedure (Type R) Releasing Devices manual, vol. 2 (1992).
Instruction Manual for Cornell Releasing Device M58A (1991).
Iannuzzi Nelson A.
Mehalshick George M.
Paladini Albert W.
Shoop Jr. William M.
Solid State Securities, Inc.
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