| 摘要 |
A data entry keypad assembly is provided for a system controlling a plurality of components. The keypad assembly includes a plurality of key zones arranged in an ordered matrix and each having a label identifier, and a plurality of key switches, provided in corresponding key zones. The keypad assembly also includes a plurality of light source means, each one of the light source means also provided in the corresponding key zones. Input controller connected to the key switches is provided for receiving data in the form of a sequence of key presses of the switches, and information displaying controller connected to the light indicator is provided for indicating a state of some of the components each associated with some of the label identifiers. When the data entry keypad assembly is used for a security system, it controls a plurality of detectors and warning devices, and displays a detection state of the detectors, while allowing activating/deactivating commands to be entered.
|
