Method of obtaining pressure-sensitive feedback by achieving change in the luminous flux on single optical component

Abstract

The invention discloses a method of obtaining a pressure-sensitive feedback by achieving the change in luminous flux on a single optical component. When a button portion is pressed down, the dimming region of a dimming panel gradually decreases, and dimming region area S4 of the dimming area is changed. Correspondingly, the light emitted by the dimming panel through a light-emitting element changes, and the luminous flux phi at this time also changes correspondingly. Due to the movement of the dimming region, the luminous flux phi obtained by a light-receiving element changes. Further, the pressing real-time position H is calculated based on the changing luminous flux phi, the pressing gravity and the pressing position can be calculated based on the real-time position H, and any level of pressure-sensitive feedback can be obtained. The method only requires a single optical component to obtain the pressing gravity and the pressing position, achieves any level of pressure-sensitive feedback, and performs pressure-sensitive operation correspondingly through simulation. The structure used by the method is easy to install and assemble, has a low production cost, obtains timely and sensitive feedback of the pressing when used, has a long service life, and is less prone to abrasion.

Description

technical field [0001] The invention relates to the field of potential switches, in particular to a method for achieving pressure-sensitive feedback for realizing luminous flux changes on a single optical component. Background technique [0002] The existing potential switch can only obtain two kinds of signals by blocking or not blocking the light receiver by the baffle, and cannot obtain the signal during the pressing process; at the same time, due to the small area of ​​the CCD, the height of the CCD is much smaller than the movement distance of the baffle , The light receiver is blocked when the baffle is displaced for a short distance during the pressing process, and accurate pressing speed and pressing position cannot be obtained. So someone came up with the idea of ​​setting up multiple optical receivers to obtain the signal during the pressing process, but such signals are intermittent and discontinuous, and the cost of adding optical receivers is high, and it is dif...

AI Technical Summary

Problems solved by technology

[0002] The existing potential switch can only obtain two kinds of signals by blocking or not blocking the light receiver by the baffle, and cannot obtain the signal during the pressing process; at the same time, due to the small area of ​​the CCD, the height of the CCD is much smaller than the movement distance of the baffle , the baffle shifts a short distance during the pressing process to block the light receiver, making it impossible to obtain accurate pressing speed and pressing position

So someone came up with the idea of ​​setting up multiple optical receivers to obtain the signal during the pressing process, but the interruption of such signals is discontinuous, and the cost of adding optical receivers is high, and it is difficult to arrange and install multiple optical receivers in sequence

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