Electronic device and sensing method
A technology of an electronic device and a sensing method, which is applied to record carriers, instruments, computer parts, etc. used in machines, can solve the problems of prolonged search time for search sensing signals, delayed response of input devices, etc., so as to shorten the search time, The effect of increasing the reaction rate
Inactive Publication Date: 2020-06-02
SHENXUN COMP KUNSHAN +1
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However, with the expansion of the sensing range required by the electronic device, the number of sensing coils that the electronic device needs to scan increases accordingly, so that the search time required to search for the sensing signal is also lengthened, which in turn causes the electronic device to The response delay of the input device
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[0015] figure 1 is a schematic block diagram of an embodiment of the electronic device and the input device 200, and figure 2 It is a schematic diagram of an embodiment of the layout of the sensing coils 111-119. see figure 1 and figure 2 The electronic device 100 can be used to sense the input signal sent by the input device 200, and calculate the input position coordinates of the input device 200 on the electronic device 100, and then perform corresponding index control or trajectory according to the obtained input position coordinates show.
[0016] In one embodiment, the electronic device 100 includes a plurality of sensing coils 111-119 and a processing unit 120, and the processing unit 120 is coupled to the plurality of sensing coils 111-119. Here, the sensing coils 111 - 119 can be disposed on the substrate to form an antenna board 110 . Hereinafter, the antenna board 110 composed of nine sensing coils 111 - 119 is taken as an example for illustration, but the nu...
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The invention provides an electronic device and a sensing method. The electronic device comprises a plurality of sensing coils and a processing unit. The plurality of sensing coils are arranged in sequence, and each sensing coil is partially overlapped with the adjacent sensing coil; a plurality of input ports of the processing unit are coupled to the sensing coils, and the processing unit scans afirst sensing coil in the plurality of sensing coils through one of the plurality of input ports at a first scanning time and scans a second sensing coil in the plurality of sensing coils through theother one of the plurality of input ports at a second scanning time; the sequence of the first sensing coils and the sequence of the second sensing coils are separated by a set number; the predetermined number is a positive integer greater than 2 and less than the total number of the plurality of sensing coils. By utilizing the electronic device and the sensing method, the searching time of the sensing signal can be shortened, and the reaction rate of the electronic device can be improved.
Description
【Technical field】 [0001] The invention relates to electromagnetic sensing technology, in particular to an electronic device and a sensing method. 【Background technique】 [0002] Electromagnetic sensing is one of the important input technologies at present, and is widely used in various electronic devices. Generally speaking, an electronic device with electromagnetic sensing is usually used together with a corresponding input device. Wherein, the electronic device may include an antenna board provided with a plurality of sensing coils. [0003] Traditionally, when the input device is close to the electronic device, the electronic device will scan each sensing coil on the antenna board one by one to search whether there is a sensing signal on each sensing coil in order, and then calculate according to the sensing signal. The input position coordinates of the input device on the electronic device. However, with the expansion of the sensing range required by the electronic de...
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IPC IPC(8): G06K19/077
CPCG06K19/07779
Inventor 王益盛
Owner SHENXUN COMP KUNSHAN