Baby monitor which belongs to the wireless home security system, the monitor and display is composed of two parts, in the baby's room is placed in the nursing device, which can display at any time through to the safety of baby care. Digital Baby Monitors as a home security products, this product utilizing the monitoring end of every act and every move every word and action to provide real-time monitoring, monitoring results by analog signal or digital signal radio waves sent to care hand control end device, and to restore the video or audio. Through the use of a baby monitor, the parents or guardians are no longer needed to be closely in the infant or child side can be aware of their behavior, and in the abnormal conditions at the same time can be detected and processed immediately. Baby monitor is not only in infants is the best daily life care products, but also to take care of the elderly and patients must have a good helper.
Baby Monitor Application
Baby monitor greatly improves the parents in the life of freedom and flexibility. Through this device, the parents can be in another room or outdoor courtyard of handling other affairs, at the same time, the child is also well, do not have to always be always on tenterhooks, make baby monitor to become parents family helper. Except for infant care, baby monitors also widely applicable to the elderly care and supermarket, office, company, school, family, hospital and other small places of safety protection.
Long Distance Baby Monitor Industry Development
Since 1980, 40/49MHz baby monitor production industry by more than 10 MHz crystal oscillator and then by 3 multiplier way to get working frequency, this scheme has the advantages of simple technology, low cost, but the 3 frequency causes the circuit has flooded many times without need for harmonic and fundamental. In order to filter out unwanted frequencies, long distance baby monitor is usually used in the week is tuned to the selected desired frequency. Production debug complex, the high rate of non-performing, and a working frequency need a crystal, for multiple channel selection listener, you need a crystal, the increase of production cost and complexity in the week tuning. With the rapid development of economy, the electronic product change rapidly upgrading, industries and enterprises in the fierce competition, the product cost control has become the critical threshold for consumer electronics. The baby monitor industry development is relatively mature, but also more widely used.
This article is come from: http://www.chinaphoneparts.com/index.php/the-development-of-baby-monitor.htm
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