CHILD MONITOR
x BABY MONITOR
x MONITOR (CHILD)
xx EAVESDROPPING DEVICE
xx INTERCOM
Baby monitor consists of a carrier-current transmitter and receiver which transmits over AC electrical wires. Multiple receivers can work with one transmitter. ELECTRONICS HOBBYISTS HANDBOOK 1993 pg. 57
Circuit for an alarm which is triggered by the sound of a baby crying. POPULAR ELECTRONICS [1] Jun 1976 (v.9#6) pg. 30
Electronic circuit will sound an audible alarm and flash a light when it detects the crying of a baby. Useful for a deaf parent. POPULAR ELECTRONICS [1] Oct 1981 (v.19#10) pg. 98
Build a baby monitor. This project consists of a carrier-current transmitter and a receiver. POPULAR ELECTRONICS [2] Oct 1992 (v.9#10) pg. 31
Build a wireless video camera monitoring system for a child's room which uses infrared to see in the dark. The signal can be received up to 150-ft. by any TV or fed directly to a video-in port. Est. cost: $200. POPULAR HOME AUTOMATION Jul 1999 (v.4#3) pg. 60
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