Fig. 1. Scent device attached to HMD
Fig. 2. Inner structure of scent device
Fig. 3. Structure of piezo liquid pump
Fig. 4. Position for scent display determined by box collider
Fig. 5. Scent positioning box determined by box collider
Fig. 6. Sphere collider for determination of relative distance and orientation
Fig. 7. Object for scent display determined by sphere collider
Fig. 8. Structure diagram of scent display using real time
Fig. 9. Structure diagram of scent display using time delay
Fig. 10. Scent condition and scent position pre-established by local position (a) The first position, (b) The second position
Fig. 11. Scent display of scent position in virtual reality (a) The first scent position, (b) The second position,
Fig. 12. Scent condition pre-established by relative distance and orientation between user and sphere collider (a) a close distance and proper orientation, (b) a long distance, (c) a close distance, but improper orientation
Fig. 13. Scent display by relative distance and orientation in virtual reality (a) a close distance and proper orientation, (b) a long distance (c) a close distance, but improper orientation
Fig 14. Scent condition pre-established by time (a) The forest, (b) The flower garden
Fig. 15. Scent display by time setting (a) After 10 sec, (b) After 70 sec
References
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