Electric installation appliance with integrated speech chip with speech memory for selective connecting to microphone or loudspeaker under control of energizing electronic, with chip, microphone and loudspeaker

摘要

Digital speech chip (1) with speech memory is connectable to microphone (2) or loudspeaker (3) under control of energizing electronic system (4). Chip, microphone and loudspeaker are fitted inside housing of switchgear, i.e. switch or key. They can be fitted inside control or indication unit of bus appliance, etc. Two different functions can be activated by energizing electronic system, i.e. erasing of speech memory with new downloading via microphone, and read-out information from memory and transmit it via loudspeaker.