Security and protection panel

Details Security and protection panel Security and protection panel

1984-08-10

1986-07-01

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

52173R, G08B 1304, E06B 510

Patent

active

045982740

ABSTRACT:
The present invention provides a security panel in the form of a hybrid integrated circuit, comprising a plurality of laminae, at least one of which is provided with a semiconductive coating, said coating not being on the outside of the panel, the semiconductive coating not being present on a narrow edge zone of the lamina to which it is applied, electrodes being provided close to two opposite edges of the panel, one of said electrodes being continued along the narrow edge zone from which the conductive coating has been omitted to an area provided with integrated circuitry necessary for the operation of an alarm system, said area being provided within the laminae and also being connected with the second of said electrodes, electric connections being attached to the integrated circuitry area.

REFERENCES:
patent: 3825918 (1974-07-01), Laidlaw, Jr. et al.
patent: 3825919 (1974-07-01), Levin et al.

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