Head-mounted glasses capable of switching eyeball tracking and touch projection and used for being matched with ODP sniffing instrument

By integrating a switchable eye-tracking and touch projection module into head-mounted glasses, the problem of inaccurate information recording during the sniffing process in existing devices is solved, enabling flexible information input and accurate data recording.

CN224553595UActive Publication Date: 2026-07-24ZHENGZHOU TOBACCO RES INST OF CNTC
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Patent Information

Application Number
CN202521728509.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-14
Publication Date
2026-07-24
Estimated Expiration
2035-08-14

AI Technical Summary

Technical Problem

In the smelling process, existing head-mounted glasses devices cannot match the flexibility of keyboard input in terms of eye-tracking recognition, and cannot effectively combine projection keyboards with head-mounted glasses, resulting in inaccurate records and conclusions.

Method used

Design a head-mounted glasses that can switch between eye tracking and touch projection. By installing a movable plane mirror and a transparent plate in the optical cavity, and combining an eye tracking module and a touch projection module, the two command input modes can be switched and combined. The visualization of touch projection commands and eye tracking commands is realized by utilizing the reflection principle of the plane mirror.

Benefits of technology

This technology improves the accuracy and flexibility of information recording during the olfaction process using head-mounted glasses, reduces subjective errors, and enhances compatibility with the ODP olfactometer.

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Abstract

The utility model provides a pair of head-mounted glasses capable of switching eyeball tracking and touch projection and used for being matched with an ODP sniffing instrument. The pair of head-mounted glasses comprises a head-mounted glasses main body, a plane mirror, an eyeball tracking module and a touch projection module, in the touch projection instruction input mode, the plane mirror moves to the position between the window and the visual screen and forms a reflective mirror between the window and the transparent plate, an instruction input panel image projected by the touch projection module enters the window after passing through the transparent plate and the plane mirror, and the operation of inputting an instruction in the touch projection mode is achieved; in the eyeball tracking instruction input mode, the plane mirror leaves the space between the window and the visual screen, the window directly faces the visual screen, and the eyeball tracking module recognizes eyeball actions to carry out instruction input operation. According to the utility model, the switching of two input modes can be realized, and the adaptability with the use scene of the ODP sniffing instrument is higher.
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