1. A seat cushion airbag device mountable to a vehicle seat, the vehicle seat comprising: a seat section comprising a seat cushion supported from below by a support section of a seat frame; and a blower duct having an outlet provided below the seat cushion, the vehicle seat being configured to eject air-conditioning air upward from the blower duct through the outlet,
said seat cushion airbag device comprising an airbag,
wherein at least a part of the airbag between the support section and the seat cushion is inflated with an inflating fluid generated from an inflating fluid generation source such that a seat surface of the seat section is bulged out, thereby suppressing a forward movement of an object to be restrained on the seat section,
wherein the airbag comprises a folded portion,
wherein before the airbag is inflated with the inflating fluid, the airbag is disposed at a position on a front side of the outlet while the folded portion is folded, such that the outlet is exposed from the airbag, and
wherein when the airbag is inflated, the folded portion is deployed so as to extend to a position on a rear side of the outlet.
2. The seat cushion airbag device according to claim 1, further comprising:
a contact suppressing sheet which suppresses contact between the support section and the airbag when the folded portion is folded and which suppresses contact between the support section and the airbag when the folded portion is deployed.
3. The seat cushion airbag device according to claim 1, further comprising:
a wrapping sheet which wraps an object which is at least a part of the air bag in a state prior to inflation of the airbag, wherein the object comprises at least the folded portion in a folded state.
4. The seat cushion airbag device according to claim 1,
wherein the folded portion is folded in any one form of inward folding, roll-folding, and bellows-folding.
5. A seat cushion airbag device mountable to a vehicle seat, the vehicle seat comprising: a seat section comprising a seat cushion supported from below by a support section of a seat frame; and a blower duct having an outlet provided below the seat cushion, the vehicle seat being configured to eject air-conditioning air upward from the blower duct through the outlet,
said seat cushion airbag device comprising an airbag,
wherein at least a part of the airbag between the support section and the seat cushion is inflated with an inflating fluid generated from an inflating fluid generation source such that a seat surface of the seat section is bulged out, thereby suppressing a forward movement of an object to be restrained on the seat section,
wherein before the airbag is inflated with the inflating fluid, the airbag is deployed and is disposed between the support section and the seat cushion, and
wherein the airbag comprises a ventilation portion which allows the air-conditioning air ejected from the outlet to pass therethrough and which is formed at a portion to be positioned above the outlet.
6. The seat cushion airbag device according to claim 5,
wherein the airbag comprises an annular partition wall portion formed at a part of the airbag,
wherein an area surrounded by the partition wall portion forms a non-inflation area which is not supplied with the inflating fluid from the inflating fluid generation source and which is not inflated, and
wherein the ventilation portion is formed in the non-inflation area.
7. The seat cushion airbag device according to claim 5,
wherein the airbag comprises:
an inflation portion which is supplied with the inflating fluid from the inflating fluid generation source and is inflated; and
a non-inflation portion which is not supplied with the inflating fluid and is not inflated,
wherein the inflation portion is formed at a portion except the outlet, and wherein the ventilation portion is formed at a portion of the non-inflation portion positioned above the outlet.
8. The seat cushion airbag device according to claim 7,
wherein the inflation portion comprises a pair of inflation pieces positioned on both sides of the outlet in a width direction of the seat section, respectively;
wherein the non-inflation portion comprises a non-inflation piece which extends from an outer edge portion of the airbag toward the outlet and which is interposed between both the inflation pieces, and
wherein the ventilation portion is formed at a portion of the non-inflation piece spaced apart from the outer edge portion of the airbag.
9. The seat cushion airbag device according to claim 5,
wherein the airbag comprises:
an inflation portion which is supplied with the inflating fluid from the inflating fluid generation source and is inflated; and
a non-inflation portion which is not supplied with the inflating fluid and is not inflated,
wherein a cutout portion extending from an outer edge portion of the non-inflation portion to a portion positioned above at least the outlet is formed at the non-inflation portion, and
wherein the ventilation portion is formed of a part of the cutout portion.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A pen tool for use with a machine vision interactive input system comprising:
an elongate body; and
a tip arrangement at one end of said body, an end surface of said body at least partially about said tip arrangement carrying light reflective material that is visible to at least one imaging assembly of said interactive input system when the pen tool is angled.
2. A pen tool according to claim 1 wherein said end surface surrounds said tip arrangement and wherein the end surface carries an annular ring of light reflective material.
3. A pen tool according to claim 2 wherein a side surface of said body adjacent said tip arrangement carries at least one band of light reflective material that extends around said body.
4. A pen tool according to claim 3 wherein said light reflective material is retro-reflective material.
5. A pen tool according to claim 4 wherein the at least one band of light reflective material extending around said body is continuous.
6. A pen tool according to claim 5 wherein the side surface of said body carries a plurality of spaced bands of light reflective material, each band extending around said body.
7. A pen tool according to claim 3 wherein said at least one band of light reflective material is patterned.
8. A pen tool according to claim 7 wherein said at least one band of light reflective material is interrupted at generally equal circumferentially spaced locations.
9. A pen tool according to claim 2 wherein the light reflective material on said end surface is patterned.
10. A pen tool according to claim 9 wherein the light reflective material on said end surface is interrupted at generally equal space locations.
11. A pen tool according to claim 2 wherein said tip arrangement comprises a nib and wherein light reflective material substantially surrounds said nib.
12. A pen tool according to claim 11 wherein a side surface of said body adjacent said tip arrangement carries at least one band of light reflective material that extends around said body.
13. A pen tool according to claim 12 wherein the side surface of said body carries a plurality of spaced bands of light reflective material.
14. A pen tool according to claim 12 wherein said at least one band of light reflective material is patterned.
15. A pen tool according to claim 14 wherein said at least one band is interrupted at generally equal circumferentially spaced locations.
16. A pen tool according to claim 2 wherein said tip arrangement comprises a first portion that is in general axial alignment with said body, a generally conical portion extending from said first portion and narrowing in a direction away from said first portion and a nib at the narrow end of said conical portion.
17. A pen tool according to claim 16 wherein said light reflective material is provided on a side surface of said first portion.
18. A pen tool according to claim 17 further comprising a generally light transparent cover over the light reflective material on the outer surface of said first portion.
19. A pen tool for use with a machine vision interactive input system comprising:
an elongate, generally cylindrical body; and
a tip arrangement extending from one end of said body, said tip arrangement comprising a generally conical portion that narrows in a direction away from said body and a nib at the narrow end of said conical portion, wherein an end surface of said body adjacent said tip arrangement carries an annular ring of light reflective material that is visible to at least one imaging assembly of said interactive input system when the pen tool is angled.
20. A method of identifying a pointer in a machine vision interactive input system comprising a region of interest surrounded by a bezel and at least one imaging assembly having a field of view looking into said region of interest, said method comprising:
capturing image frames; and
processing the image frames to detect the presence of a pointer and to detect the presence of a signature that is distinctive of the bezel representative of a pen tool.
21. The method of claim 20 wherein during processing of the image frames to detect the presence of a signature, the image frames are processed to detect pen tool reflections in regions of the image frames beyond the limits of the bezel.
22. The method of claim 21 wherein processing of the image frames to detect the presence of a signature comprises dividing a background image frame from each captured image frame to form a difference image frame and examining the different image frames to detect pen tool reflections in regions of the image frames beyond the limits of the bezel.
23. The method of claim 22 wherein processing of the image frames to detect the presence of a signature further comprises, after said subtracting, determining the visible end limits of the bezel in each difference image frame and masking regions of each difference image frame beyond the end limits.
24. The method of claim 23 wherein the end limit determining is performed one of manually or automatically.
25. The method of claim 23 wherein said examining comprises thresholding each difference image frame to detect the presence of reflections therein and when reflections are present, determining whether the reflections appear in regions beyond the limits of the bezel.
26. An interactive input system comprising:
a region of interest surrounded by a bezel;
at least one imaging assembly having a field of view looking into the region of interest and seeing said bezel; and
processing structure processing image frames captured by said at least one imaging assembly to detect the presence of a pointer and to detect the presence of a signature that is distinctive of the bezel representative of a pen tool.