Patent ID: 6043747
Filing Date: 2000-03-28
Classification: G08B

Abstract:
A baby monitor system comprising:a parent unit; anda baby unit;said parent unit including:a waterproof parent unit housing having a snap closure microphone cover and a waterproof speaker grating;a parent unit central processing circuit positioned within said waterproof parent unit housing that includes a radio frequency transmitter and receiver circuit including a parent unit antenna, an analog to digital microphone amplification circuit, a digital message memory, a digital to analog converter and a speaker drive circuit;a parent unit microphone in electrical connection with said parent unit central processing circuit;a waterproof volume control switch in electrical connection with said parent unit central processing circuit;a waterproof message record switch in electrical connection with said parent unit central processing circuit;a waterproof message playback switch in electrical connection with said parent unit central processing circuit;a waterproof direct talk switch in electrical connection with said parent unit central processing circuit;a waterproof on/off switch in electrical connection with said parent unit central processing circuit; anda parent unit speaker in electrical connection withsaid parent unit central processing circuit; said baby unit including:a baby unit housing including a baby unit speaker grating and a baby unit microphone grating;a baby unit central processing circuit including a radio frequency transmitter and receiver circuit including a baby unit antenna, an analog to digital microphone amplification circuit, a digital to analog converter and a speaker drive circuit;a baby unit microphone in electrical connection with said baby unit central processing circuit;a baby unit volume control switch in electrical connection with said baby unit central processing circuit;a baby unit on/off switch in electrical connection with said baby unit central processing circuit; anda baby unit speaker in electrical connection with said baby unit central processing circuit;said parent unit central processing circuit and said baby unit central processing circuit having a two way radio frequency communication link established therebetween;said parent unit central processing circuit being responsive to said waterproof message record switch in a manner to digitize a parent unit microphone signal from said parent unit microphone and store said digitized parent unit microphone signal in said digital message memory;said parent unit central processing circuit being responsive to said waterproof message playback switch in a manner to transmit a radio frequency signal corresponding to said digitized parent unit microphone signal in said digital message memory to said baby unit central processing circuit for playback on said a baby unit speaker;said parent unit central processing circuit being responsive to said waterproof direct talk switch in a manner to transmit a radio frequency signal corresponding to said parent unit microphone signal to said baby unit central processing circuit for playback on said a baby unit speaker.