Remote control system and method for interference prevention, stealing copy prevention and RF signal stability improvement

Abstract

The invention provides a remote control system and a method for interference prevention, stealing copy prevention and RF signal stability improvement, and the system comprises a hand-held remote controller and a remote control host which are capable of bidirectional wireless transmission; according to the interference prevention method, mainly during function signal transmission, the hand-held remote controller automatically searches and selects an optimal channel for use so as to prevent the case of incomplete reception or no reception at all of the remote control host caused by interference of the function signal, and the remote control host immediately executes the function and replies after receiving the function signal sent by the hand-held remote controller; according to the stealing copy prevention method, both the hand-held remote controller and the remote control host adopt multiple interactive encryption technology for the transmission of various signals so as to reach high stealing copy prevention effect; according to the RF signal stability improvement method, the hand-held remote controller is provided with multiple RF transmission reception technology, and the hand-held remote controller can actively send RF signals with a preset time to reconstruct a communication pipeline when the signal emission and reception are at fault, and thus a signal transmission function with high stability is reached.

Description

technical field [0001] The invention relates to the refinement and improvement of functions of a remote control system, in particular to a remote control system and a method for preventing interference, preventing copying, and improving RF signal stability. Background technique [0002] In daily life, wireless remote controllers are used in a wide range of applications, such as household appliances, garage doors, anti-theft devices for cars or motorcycles, and so on. Through wireless control, users can obtain more convenient functions. Among the above-mentioned items, anti-theft equipment for cars or motorcycles is more affected. For example, the purpose of the anti-theft equipment is to prevent cars or motorcycles from being stolen by others, so more sophisticated thieves will try their best to interfere and crack Or receive and copy the wirelessly transmitted signal to achieve the purpose of stealing the object. Therefore, the security of the anti-theft device is particula...

AI Technical Summary

Problems solved by technology

[0004] (1) Although the structure of single-function and single-frequency RF (high-frequency transmission) devices is relatively simple, the remote control operation function is poor. When there is channel interference in the surrounding environment, it is easy to affect the transmission and reception of data, especially The receiver is interfered and cannot receive data effectively, so that the remote control operation cannot be performed correctly

[0005] (2) When there is channel interference in the surrounding environment, if in the same parking lot, there are often dozens of vehicles in the front, rear, left and right using RF (high frequency transmission) remote control, then not only the receivers are easy to communicate with each other. Interference makes it impossible to effectively receive data, and it is easy to receive wrong data but execute it, causing confusion in data transmission

[0006] (3), and because of the above-mentioned remote control system, a fixed signal is set in the remote control, and a signal with a fixed frequency and fixed data is emitted. Once the remote control is stolen, the target protected by it will be very easy to be stolen. Therefore, the security and confidentiality are low

[0017] The remote controllers with four functions must be used separately because of their different functions, which makes it very troublesome for customers to use and inventory

The disadvantage is that it wastes battery power and increases interference; sometimes the distance is too close and the power is too strong, which will cause the remote control to be unstable

[0019] In summary, the above existing wireless remote control systems still have many shortcomings, which in turn affect the convenience and safety of the user's operation, and there is a need for further improvement

Images