Method for identifying correctly and blanketing noise interference fault in remote-controlled toy chip
A noise interference and correct technology, applied in remote control toys, toys, entertainment, etc., can solve problems such as inability to distinguish code errors, and achieve the effect of improving the remote control without shaking distance
Inactive Publication Date: 2005-12-28
ACTIONS SEMICONDUCTOR
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Problems solved by technology
In this way, when the chip of the remote control toy receives the wrong signal, it cannot distinguish whether the cause of the error is the transmitter stopped transmitting or the code error due to noise interference, and it is impossible to deal with these situations separately.
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[0009] Such as figure 1 , the remote control toy car that is moving forward suddenly receives the signal (A) from the remote control transmitter to let the car go forward, and the remote control toy chip performs head signal detection on the received signal to let the car go forward (B). If the frame head signal is correct and the data is wrong, the car will continue to move forward (C, D, E); if the remote control toy chip does not detect the head signal for t seconds, the car will stop moving forward (G); A signal with correct head signal and wrong data is detected within seconds, and the car continues to move forward (C, D, E).
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An anti-interference method able to recognize and mask the noise for the chip of remotely controlled toy features use of an error mask technique. When a detectable error signal is received by said chip, it is first recognized that whether the emitter is stopped or the error code is generated by noise interference and the error code is then treated in such manner that the output is closed for the former or the previous output is retained for the latter.
Description
Technical field [0001] The invention relates to a method for correctly identifying and covering noise interference errors in remote-control toy chips. Background technique [0002] During the remote control process of remote control toys, due to the influence of the surrounding environment or distance, the receiver has a certain probability of receiving wrong signals. After the current remote control toy chip receives these wrong signals, if the detected signals within a fixed period is an error signal (no matter what the cause is), clear the output. In this way, when the chip of the remote control toy receives an erroneous signal, it cannot distinguish whether the cause of the error is that the transmitter stopped transmitting or a code error due to noise interference, and these situations cannot be processed separately. Contents of the invention [0003] In order to overcome the disadvantages that the remote control toy chip cannot distinguish the cause of the error sig...
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Inventor 王峰
Owner ACTIONS SEMICONDUCTOR