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CN-122018732-A - Equivalent implementation method and device for light guide type non-authority interaction

CN122018732ACN 122018732 ACN122018732 ACN 122018732ACN-122018732-A

Abstract

The application discloses an equivalent implementation method and device for light guide type non-authority interaction, and belongs to the technical field of non-authority man-machine interaction. The method comprises the steps of obtaining interface state information through an unauthorized sensing mode (ultrasonic waves, low-frequency electromagnetic induction and the like), transmitting the interface state information to an external AI processing unit to generate operation guidance and converting the operation guidance into optical signals, directionally focusing the optical signals to a target position through a cover plate integrated micro-nano structure, temporarily attaching an optical patch, an air gap light guide channel and the like and the optical guidance carrier, triggering physical changes such as light-induced refractive index change, micro-bubble generation (based on optical addressing+micro-cavity array) and the like to trigger a capacitive screen to realize unauthorized interaction, and guaranteeing stability through anti-interference schemes such as frequency hopping, polarization coding, phase locking and the like. The application discloses complete implementation details of each core technology, covers various equivalent technical characteristics, has the advantages of wide protection range, strict logic, strong scene suitability, effective blocking of avoidance paths, high patent authorization stability and maintenance effectiveness, and is suitable for non-authority interaction scenes of various touch screen devices.

Inventors

  • CHANG LE

Assignees

  • 常乐

Dates

Publication Date
20260512
Application Date
20260322

Claims (9)

  1. 1. An equivalent implementation method of light guide type non-authority interaction is characterized by comprising the following steps: S1, acquiring interface state information of a target device screen through an external non-authority sensing mode, wherein the external non-authority sensing mode is defined as 'no reading of target device system data, no application of system auxiliary function authority, no access to a system API interface, no establishment of any communication connection with the target device', and specifically comprises at least one of ultrasonic sensing and low-frequency electromagnetic induction sensing (< 1 GHz) or a combination of any two non-visual sensing modes; s2, transmitting the interface state information to an external AI processing unit, generating operation guide information comprising operation coordinates and operation types based on preset interaction logic, and converting the operation guide information into optical signals of preset parameters; S3, directionally focusing the optical signal to a target touch position through an equivalent optical guide carrier, wherein the equivalent optical guide carrier comprises any one of a cover plate integrated micro-nano structure, a temporary attached optical patch and an air gap light guide channel; s4, the optical signal acts on a physical triggering unit, and a preset physical change is induced at a target touch position, wherein the physical change enables the capacitive screen to be identified as user operation, so that no-authority interaction is realized; S5, guaranteeing stability of optical signal transmission and physical triggering through an equivalent anti-interference scheme, wherein the equivalent anti-interference scheme comprises at least one of frequency hopping, polarization coding and phase locking.
  2. 2. The method according to claim 1, characterized in that in step S3: forming a grating array on the inner side of screen cover plate glass of target equipment through magnetron sputtering and nanoimprint technology, wherein the grating period is 0.6-1.0 times of the central wavelength of a corresponding transmission optical signal, and forming an undetachable composite structure with the cover plate glass, and the light transmittance is more than or equal to 92%; The thickness of the temporary bonding optical patch is 0.1-0.3mm, an optical adhesive layer capable of being repeatedly bonded is adopted, and an anti-fingerprint coating is arranged on the surface of the temporary bonding optical patch; the realization mode of the air gap light guide channel is that a sealed air gap of 0.5-2mm is formed between the surface of a screen and an optical emission module through a support structure arranged on the frame of the screen, optical coupling layers (refractive index is 1.5-1.6) are arranged at two ends of the air gap, and the optical signal transmission efficiency is more than or equal to 70%.
  3. 3. The method of claim 1, wherein in the step S4, the specific implementation mode of microbubble generation is that a physical trigger unit is designed by adopting 'optical addressing + microcavity array', microcavity arrays are uniformly distributed according to the density of 100-300PPI, 5-10 mu L of deionized water and a titanium nitride heat absorption layer with the thickness of 50-100nm are arranged in each microcavity, an optical signal is focused to a microcavity corresponding to a target coordinate through an optical guide carrier, the heat absorption layer is heated at the speed of more than or equal to 5 ℃ per ms, so that water is gasified to form microbubbles with the diameter of 1-3mm, non-target coordinate microcavity signals are focused without generating bubbles, the bubble existence time is 5-10ms, and the bubbles are rapidly dissipated through a heat dissipation channel without residues.
  4. 4. The method according to claim 1, wherein in step S4, the implementation manner of the photoinduced refractive index change is that liquid crystal microbeads with diameters of 1-5 μm are added into the optical guiding carrier, the arrangement direction of molecules of the liquid crystal microbeads is changed when the optical signals are irradiated, the local refractive index change range is 0.05-0.1, and the capacitive screen touch recognition threshold is adapted.
  5. 5. The method according to claim 1, characterized in that in step S5: The frequency hopping is realized in such a way that the frequency of an optical signal is dynamically switched within a range of 1kHz-10kHz, the switching period is synchronous (20 ms) with the touch detection period of target equipment, and the hopping step length is 1kHz; the polarization coding is realized by adopting linear polarized light coding, setting the polarization direction to be 0 degree/90 degree/180 degree/270 degree, and decoding by matching with a receiving end polarization filter, wherein the crosstalk rate is less than or equal to 5 percent; the implementation mode of the phase locking is that the optical signal trigger window is locked in a 5-10ms gap after touch detection is completed, and the non-window time period is closed for triggering judgment.
  6. 6. The method of claim 1, wherein all the parameters of physical change meet the conditions that the click-through accuracy is more than or equal to 99%, the false touch rate is less than or equal to 0.1%, the single-shot energy is less than or equal to 0.5mJ, and the local Wen Sheng ℃ is at a temperature of 0.1 ℃ without damaging a screen of the target equipment.
  7. 7. An equivalent implementation device for light-guide type non-authority interaction, comprising: The non-permission sensing module is used for acquiring interface state information through at least one of ultrasonic sensing and low-frequency electromagnetic sensing (< 1 GHz) or the combination of any two non-visual sensing modes, has no electrical connection with target equipment, independently supplies power, has standby power consumption less than or equal to 10 mu W and has working power consumption less than or equal to 1mW; The communication interface is used for establishing data connection with an external AI processing unit, receiving operation guide information, wherein the communication mode comprises wired (USB-C) or wireless (Bluetooth BLE 5.0), and the data transmission rate is more than or equal to 1Mbps; The equivalent optical guiding module is used for directionally focusing the optical signal to a target touch position and comprises any one of a cover plate integrated micro-nano structure, a temporary bonding optical patch and an air gap light guide channel, wherein the light transmittance is more than or equal to 85 percent, and the focusing precision of the optical signal is less than or equal to 0.5mm; the physical triggering module is arranged corresponding to the output end of the equivalent optical guiding module and comprises at least one of a microcavity array structure (comprising a titanium nitride heat absorption layer, deionized water and a heat dissipation channel), a liquid crystal microbead doping layer and a photoinduced polarization material layer, and is used for generating preset physical change under the action of an optical signal; The equivalent anti-interference module is integrated at the optical signal transmitting end and comprises at least one of a frequency hopping unit, a polarization coding unit and a phase locking unit, and the bit error rate is less than or equal to 10- 6 under a strong electromagnetic environment.
  8. 8. The device of claim 7, wherein in the microcavity array of the physical triggering module, the photo-thermal conversion efficiency of a single microcavity is more than or equal to 80%, the bubble generation success rate is more than or equal to 98% after 10000 times of cyclic tests, the deformation attenuation is less than or equal to 5%, the response time of the liquid crystal microbead doped layer is less than or equal to 10ms, and the recovery time is less than or equal to 5ms.
  9. 9. The apparatus of claim 7, wherein the frequency hopping unit of the equivalent anti-interference module supports dynamic switching between 1kHz and 10kHz, the polarization direction identification accuracy of the polarization encoding unit is greater than or equal to 99.5%, and the timing synchronization error of the phase locking unit is less than or equal to 0.1ms.

Description

Equivalent implementation method and device for light guide type non-authority interaction Technical Field The invention relates to the technical field of unmanned man-machine interaction, in particular to an optical guidance-based method and an optical guidance-based device for realizing the same, which are particularly suitable for various touch screen devices such as smart phones, vehicle-mounted touch screens, industrial touch screens, intelligent watches, intelligent household appliance touch panels and the like, and are compatible with multiple operating systems such as hong Mongolian, android, iOS, windows, mac OS, linux and the like. Background The existing non-authority interaction technology mainly relies on specific optical guide carriers such as a light guide film and a micro lens array, interface information is obtained through visual perception or radio frequency/millimeter wave perception, and interaction is realized by combining physical triggering mechanisms such as photo-thermal micro deformation, photo-induced electric field change and the like. However, this type of technology has significant drawbacks: The optical guide carrier is single in form and limited to fixed structures such as a light guide film and a micro lens array, and is lack of coverage of equivalent carriers such as a cover plate integrated structure, a temporary bonding patch and an air gap light guide channel, so that the optical guide carrier is easy to avoid by an adversary through replacing the carrier; The physical triggering mechanism is limited to photo-thermal micro-deformation and photo-induced electric field change, does not cover equivalent mechanisms such as photo-induced refractive index change, micro-bubble generation and the like which can realize the same touch effect, and has loopholes in the protection range; The anti-interference scheme adopts a fixed combination of electromagnetic shielding, digital coding and time sequence locking, does not cover equivalent anti-interference means such as frequency hopping, polarization coding, phase locking and the like, and has insufficient suitability in a complex electromagnetic environment; the insufficient implementation details of some key technologies, such as the technological parameters of the equivalent carrier, the accurate control logic of physical triggering, etc., lead to the doubtful feasibility of the technical scheme, and leave avoidance space for opponents. In order to solve the technical problems, the application provides the non-authority interaction method and the device which cover a plurality of equivalent technical characteristics, are fully disclosed, have self-consistent logic and strong anti-interference capability, fill the protection blank of the prior art and improve the practicability and the patent protection force of the technical scheme. Disclosure of Invention Object of the Invention The invention aims to solve the problems of narrow protection range, easy avoidance by equivalent replacement, insufficient key detail disclosure and insufficient anti-interference scene adaptation of the existing non-authority interaction technology, provides a complete and logic strict non-authority interaction method and device which cover various equivalent carriers, trigger mechanisms and anti-interference schemes, and ensures patent authorization stability and follow-up right maintenance effectiveness. Technical proposal Method part A method for realizing equivalent optical guide type interaction includes the following steps of S1, obtaining interface state information of a target device screen through an external non-authority sensing mode, wherein the external non-authority sensing mode is defined as 'system data of the target device is not read, system auxiliary function authority is not applied, any communication connection is not established with the target device, specifically, at least one of ultrasonic sensing and low-frequency electromagnetic induction sensing (< 1 GHz), or a combination of any two non-visual sensing modes is included', S2, transmitting the interface state information to an external AI processing unit, generating operation guide information containing operation coordinates and operation types based on preset interaction logic, converting the operation guide information into optical signals of preset parameters, S3, focusing the optical signals to a target touch position in a directional mode through an equivalent optical guide carrier, wherein the equivalent optical guide carrier comprises a cover plate integrated micro-nano structure, a temporary bonding optical patch and an air gap light guide channel, S4, enabling the optical signals to act on a physical triggering unit, inducing a preset physical change at the target touch position, enabling the physical change to be enabled by the electric field, and enabling the optical guide information to be in a local optical guide mode, and at least one of the optical guide car