초록

A vehicle simulation system includes a sound resonant chamber assembly for simulating audio sounds representative of the sounds produced during the operation of the simulated vehicle, comprising a speaker and a sound resonant tube attached to the speaker for enhancing and directing the audio sounds.

대표청구항 ▼

A vehicle simulation system includes a sound resonant chamber assembly for simulating audio sounds representative of the sounds produced during the operation of the simulated vehicle, comprising a speaker and a sound resonant tube attached to the speaker for enhancing and directing the audio sounds.

A vehicle simulation system includes a sound resonant chamber assembly for simulating audio sounds representative of the sounds produced during the operation of the simulated vehicle, comprising a speaker and a sound resonant tube attached to the speaker for enhancing and directing the audio sounds. a first mold half which works in conjunction with a second mold half, wherein said second mold half comprises inserts, and said first mold half comprises a base, attachment means, and at least one changeable cassette removably attached by said attachment means to said molding base, said at least one changeable cassette comprising a surface not in contact with said molding base and inserts, wherein said attachment means are accessible on said surface of said changeable cassette not in contact with said base, and further wherein said inserts in said at least one changeable cassette comprise optical quality surfaces. 2. The mold of claim 1 wherein said first mold half when in use comprises at least two changeable cassettes. 3. The mold of claim 2 wherein said changeable cassettes comprise inserts for the formation of lens curves. 4. The mold of claim 3 wherein said changeable cassettes comprise inserts shaped to form back curves and front curves. 5. The mold of claim 1 wherein said inserts are contact lens forming inserts. 6. The mold of claim 1 wherein said first mold half comprises the inserts for the optically critical surface of said ophthalmic devices, and said second mold half comprises the inserts for the non-optically critical surface of said ophthalmic devices. 7. The mold of claim 6 wherein said first mold half comprises the inserts for the optically critical surfaces of said front curves and back curves. 8. The mold of claim 1 wherein said second mold half comprises at least one changeable cassette comprising said inserts of said second mold half, and said inserts in said first mold half and said second mold half form optically critical surfaces of said ophthalmic devices. 9. The mold of claim 4 wherein said inserts for said optically critical surfaces of said front curves are in a first cassette, and said inserts for said optically critical surfaces of said back curves are in a second cassette, said first and second cassettes being simultaneously attached to said first mold half. 10. The mold of claim 1 wherein said inserts in said at least one changeable cassette are cooled indirectly. 11. The mold of claim 1 wherein said inserts are cooled by contact with a heat transfer block. 12. The mold of claim 1 wherein said ophthalmic devices are ejected from said first mold half or said second mold half by at least one pulse of air. 13. The mold of claim 1 wherein said ophthalmic devices are ejected from said first mold half and said second mold half by at least one pulse of air from each of said first mold half and said second mold half. 14. The mold of claim 13 wherein said inserts in said at least one changeable cassette are cooled indirectly. 15. The mold of claim 1 wherein said ophthalmic devices are removed from said inserts by water. 16. The mold of claim 1 wherein said mold is inserted into an injection molding machine. 17. The mold of claim 16 wherein said injection molding machine is a vertical injection molding machine wherein said first mold half is the lower mold half. 18. The mold of claim 17 wherein said vertical injection molding machine comprises a direct drive robot which picks up said ophthalmic devices. 19. The mold of claim 18 wherein said mold simultaneously forms optical quality front curves and back curves. 20. The mold of claim 16, wherein the cycle time of said injection molding machine is less than 4 seconds. 21. The mold of claim 17, wherein said first mold half is changed with another first mold half in less than sixty seconds. 22. The mold of claim 1 wherein said attachment means are selected from the group consisting of screws, brackets, braces, bolts, quick-clamps, and magnetism. 23. A molding system for forming ophthalmic devices comprising a mold comprising a first mold half and a second mold half, wherein said first mold half comprises at least one changeable cassette, and said molding system further comprises at least one more said changeable cassette than the number of said changeable c