Picture frame has control circuit board, loudspeaker, microphone, energy storage and switch unit integrated into frame and has LEDs connected to circuit board

摘要

The picture frame includes an electronic unit integrated into its frame. The electronic unit consists of a control circuit board, a loudspeaker, a microphone, an energy storage and a switch unit. Light emitting diodes (LED) are connected to the circuit board via connection cables. The switch unit consists of a recording switch and a playback switch.