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Analog Technologies

ASFC401

Voice Activated Sofa Controller

Figure 1. Physical Photo of ASFC401

Figure 2. Physical Photo of AC/DC Adapter

FEATURES

APPLICATIONS

Control lift chair by voice.

DESCRIPTION

This controller, ASFC401, as shown in Figure 1, is designed to control lift chair’s position by using voice only. The controller

features: high audio sensitivity, humanized control commands, and automatic chair position locking. The controller is powered

by an AC/DC adapter as shown in Figure 2. There are 7 voice commands that the controller can recognize: Lift chair’s stand-up

position, sit-down position, and lay-down position can be controlled with voice; audible indication; simple dialogue; automatic

locking function and so on.

The controller consists of CPU, sound system, microphone, loudspeaker, drive, and 5V power supply. See Figure 3.

Figure 3. ASFC401 Block Diagram

Microphone

Voice

Recognition Unit

Loudspeaker

Relay Unit

Lift Chair

5V Power Supply

CPU