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Wireless remote control will be the future trends of the remote areas
Time锛2013-04-26 16:59:39SitePrint this article
In addition to the infrared remote control technology, we can also use RF remote control technology. RF remote control technology to break through the three limitations of infrared remote control technology: a line of sight distance;, one-way communication; Third, the high power consumption. We may wish to analyze the three limitations to better understand why the main control interface as a home entertainment remote control technology stuck in the 1980s, as well as in the the RF4CE Alliance and the relevant standards driven by the technology what changes will occur.
First, line-of-sight distance
Infrared remote control technology is the most common, the most obvious limitations is the need to connect in sight. This connection is very fragile, if you accidentally touched the device, just the optical infrared receiver to block the infrared remote control will be affected. In this case, in order to turn off the TV, we do not even have to go directly to the TV in front of the corresponding operation. Similar scene remote control operation is no longer limited by the sight, that the more wonderful! As we no longer have to care about the positional relationship of the receiver in which or between the remote control and the receiver.
Based remote control infrared remote control of the radio frequency technology, its physical characteristics make the the manipulation signal can penetrate walls, carpet and home entertainment center the object blocking the line of sight. Such as WiFi network connection, and its advantage is that the user manipulation no longer have to be confined to a specific location of the desk, but can be anywhere in the home connected to the network. RF remote working principle is similar. In addition, the remote control distance of the RF technology far infrared remote control distance (1-5 meters). Radio frequency technology can easily reach the connection distance of 20-50 meters in the same handling conditions. Depending on the application, remote control distance can slightly increase the power and further extension.
Second, one-way communication
RF technology is also able to easily break the second limitation of infrared remote control technology, that is one-way communication. RF remote control in the home entertainment system is not particularly common, most people are even not aware of the infrared remote one-way communication is a limitation. Once the line of sight and distance limitations can be solved, users may soon find it really need the remote control to the feedback control system. For example, we want to find a branch songs stored in the audio system. If you are using a one-way control system, we must either clearly remember how many times the Next button to find the songs from the current track, must either each time you press a listening to identify the beginning of each song fragments. In the ideal case, the user is clearly directly on the remote control to scroll through the thumbnails tracks selected in the table to hear the song.
In addition, the bi-directional communication also supports one of each family are desired characteristics, i.e. Find the location of the remote pager function. With this feature, users no longer have time to find the remote control on where to go or to manually operate the receiver, the sound will be able to immediately discover where it is and just let the remote control. Just to name some of the new technology and innovative features of the manipulation of the home entertainment system of two-way communication connection can be achieved.
In addition to the home entertainment system, we now wish to consider other circumstances also benefit from the RF remote control function, such as garage remote control. Do you often drove away from the garage, had in mind are going to work after the first meeting or at work today will not be late, then he suddenly thought of the garage door is not forgotten the lock. Some of us easily delusional people will immediately turn around because of ease home viewing. In fact, drove the car out of the garage immediately lock the door the already habitual action we do every day, so after we got home only to find Baipao the trip. However, if the remote control with two-way communication function, we can directly view the switch status of the garage. The use of two-way communication, which is very easy to implement. In addition, it is many consumers are willing to upgrade characteristics.
Third, the power consumption
The ordinary infrared remote control for at least a year need to replace the battery. If the number of cells in each remote control (usually two AA or AAA batteries) multiplied by the number of the remote control in the home entertainment system, we find that the annual consumption of up to one million the number of battery. In addition, due to the high power consumption of using infrared technology, infrared remote control requires a large battery, and therefore is not conducive to miniaturization. However, the low-power radio frequency remote control, you can use the battery of CR2032 button battery trumpet. Since the can use trumpet battery, so the design of the remote control can no longer subject to the limit of the battery, thereby feel more comfortable, more stylish appearance of the remote control can be devised. The following table shows the comparison of the power consumption of the ordinary infrared remote control with leading RF technology power consumption.
In addition, extending battery life also means that the home entertainment system manufacturer has received the support of the number of service calls and RMA can be reduced, because many of the so-called system issues eventually found but is in fact caused by the power supply reasons (such as battery power is exhausted) . RF remote control can extend battery run-time system, to bring a win-win result for both consumers and manufacturers will
First, line-of-sight distance
Infrared remote control technology is the most common, the most obvious limitations is the need to connect in sight. This connection is very fragile, if you accidentally touched the device, just the optical infrared receiver to block the infrared remote control will be affected. In this case, in order to turn off the TV, we do not even have to go directly to the TV in front of the corresponding operation. Similar scene remote control operation is no longer limited by the sight, that the more wonderful! As we no longer have to care about the positional relationship of the receiver in which or between the remote control and the receiver.
Based remote control infrared remote control of the radio frequency technology, its physical characteristics make the the manipulation signal can penetrate walls, carpet and home entertainment center the object blocking the line of sight. Such as WiFi network connection, and its advantage is that the user manipulation no longer have to be confined to a specific location of the desk, but can be anywhere in the home connected to the network. RF remote working principle is similar. In addition, the remote control distance of the RF technology far infrared remote control distance (1-5 meters). Radio frequency technology can easily reach the connection distance of 20-50 meters in the same handling conditions. Depending on the application, remote control distance can slightly increase the power and further extension.
Second, one-way communication
RF technology is also able to easily break the second limitation of infrared remote control technology, that is one-way communication. RF remote control in the home entertainment system is not particularly common, most people are even not aware of the infrared remote one-way communication is a limitation. Once the line of sight and distance limitations can be solved, users may soon find it really need the remote control to the feedback control system. For example, we want to find a branch songs stored in the audio system. If you are using a one-way control system, we must either clearly remember how many times the Next button to find the songs from the current track, must either each time you press a listening to identify the beginning of each song fragments. In the ideal case, the user is clearly directly on the remote control to scroll through the thumbnails tracks selected in the table to hear the song.
In addition, the bi-directional communication also supports one of each family are desired characteristics, i.e. Find the location of the remote pager function. With this feature, users no longer have time to find the remote control on where to go or to manually operate the receiver, the sound will be able to immediately discover where it is and just let the remote control. Just to name some of the new technology and innovative features of the manipulation of the home entertainment system of two-way communication connection can be achieved.
In addition to the home entertainment system, we now wish to consider other circumstances also benefit from the RF remote control function, such as garage remote control. Do you often drove away from the garage, had in mind are going to work after the first meeting or at work today will not be late, then he suddenly thought of the garage door is not forgotten the lock. Some of us easily delusional people will immediately turn around because of ease home viewing. In fact, drove the car out of the garage immediately lock the door the already habitual action we do every day, so after we got home only to find Baipao the trip. However, if the remote control with two-way communication function, we can directly view the switch status of the garage. The use of two-way communication, which is very easy to implement. In addition, it is many consumers are willing to upgrade characteristics.
Third, the power consumption
The ordinary infrared remote control for at least a year need to replace the battery. If the number of cells in each remote control (usually two AA or AAA batteries) multiplied by the number of the remote control in the home entertainment system, we find that the annual consumption of up to one million the number of battery. In addition, due to the high power consumption of using infrared technology, infrared remote control requires a large battery, and therefore is not conducive to miniaturization. However, the low-power radio frequency remote control, you can use the battery of CR2032 button battery trumpet. Since the can use trumpet battery, so the design of the remote control can no longer subject to the limit of the battery, thereby feel more comfortable, more stylish appearance of the remote control can be devised. The following table shows the comparison of the power consumption of the ordinary infrared remote control with leading RF technology power consumption.
In addition, extending battery life also means that the home entertainment system manufacturer has received the support of the number of service calls and RMA can be reduced, because many of the so-called system issues eventually found but is in fact caused by the power supply reasons (such as battery power is exhausted) . RF remote control can extend battery run-time system, to bring a win-win result for both consumers and manufacturers will
