Convexo concave amplifying device and convexo concave detecting method by use thereof, deformation sensing device and convexo concave detecting method by use thereof, and convexo concave position exhibiting device and convexo concave position exhibiting method
A convexo concave amplifying device for exhibiting a convexo concave by amplifying a sense of a convexo concave of an object, comprising a sensing member and an exhibiting member. The sensing member 101 comprises a flexible sheet able to contact with the surface of the object O and to deform along the surface of the object. The exhibiting member 120 that is formed on a surface of the flexible sheet and has a deformation resistance smaller than that of the flexible sheet in at least one of directions orthogonal to a direction of thickness of the flexible sheet. With such construction, the object convexo concave can be amplified and exhibited. A deformation sensing device for sensing a deformation thereof comprising a capsule deformable by stress, a viscous fluid F contained in the capsule, and a relative movement sensing member that is disposed inside of the capsule and senses a relative movement against the viscous fluid. With such construction, property of the object such as the convexo concave or the stress can be detected.
1. A convexo concave amplifying device for exhibiting a convexo concave by amplifying a sense of a convexo concave of an object, comprising:
a sensing member comprising a flexible sheet able to contact with the surface of the object and to deform concavely and convexly along the surface of the object; and
an exhibiting member that is formed on a surface of the flexible sheet and has a deformation resistance smaller than that of the flexible sheet in at least one of a plurality of directions orthogonal to a direction of thickness of the flexible sheet,
wherein the exhibiting member comprises a plurality of protrusions formed directly on a surface of the sensing member.
2. A convexo concave amplifying device according to claim 1 , wherein the exhibiting member comprises plural protrusions separated equidistantly and formed on the surface of the flexible sheet.
3. A convexo concave amplifying device according to claim 2 , wherein the protrusions are plates parallel to each other.
4. A convexo concave amplifying device according to claim 2 , wherein the protrusions are columns.
5. A convexo concave amplifying device according to claim 1 , wherein the exhibiting member is made of foam.
6. A convexo concave amplifying device according to claim 1 , wherein the exhibiting member is a sheet having plural holes extending in a direction of thickness thereof.
7. A convexo concave amplifying device according to claim 1 , wherein the sensing member or the exhibiting member is made of resin.
8. A convexo concave amplifying device according claim 1 , wherein the exhibiting member further comprises a strain sensing tool for detecting a strain of the exhibiting member.
9. A convexo concave amplifying device according to claim 8 , wherein the strain sensing tool is a strain gauge.
10. A convexo concave detecting method for detecting a convexo concave of an object, comprising
a process of using a convexo concave amplifying device comprising a sensing member comprising a flexible sheet and an exhibiting member that is formed on a surface of the flexible sheet and has a deformation resistance smaller than that of the flexible sheet in at least one of a plurality of directions orthogonal to a direction of thickness of the flexible sheet, wherein the process comprises
a contacting step of contacting the sensing member with a surface of the object and deforming the flexible sheet of the sensing member concavely and convexly along the surface of the object, and
a detecting step of detecting the convexo concave by sensing a deformation of the exhibiting member induced in the contacting step,
wherein the exhibiting member comprises a plurality of protrusions formed directly on a surface of the sensing member.
11. A convexo concave detecting method according to claim 10 , wherein
the convexo concave amplifying device in contact with the surface of the object is slid in the contacting step, thereby an amount of the deformation of the exhibiting member is induced to depend on time, and
a variation of a time-dependent amount of the deformation of the exhibiting member is sensed by a tactile sense in the detecting step.
12. A convexo concave detecting method according to claim 10 , wherein the object comprises:
a surface portion having flexibility; and
a convexo concave portion having a convexo concave covered by the surface portion, wherein
the flexible sheet is pressed onto the surface of the object and is deformed along the surface of the object in the contacting step, and the convexo concave of the convexo concave portion is detected in the detecting step.
13. A convexo concave amplifying device according to claim 1 , wherein said sensing member has a thickness, and said exhibiting member includes a surface capable of inclination and a plurality of protrusions, said protrusions inclining in a tangential direction that is proportional to a product of an inclined angle θ of the surface when the surface is inclined and a thickness T of the convex concave amplifying device, wherein said thickness T corresponds to a sum of the thickness of the sensing member and a length of the protrusions.
14. A convexo concave detecting method according to claim 10 , wherein said sensing member has a thickness, and said exhibiting member includes a surface capable of inclination and a plurality of protrusions, said protrusions inclining in a tangential direction that is proportional to a product of an inclined angle θ of the surface when the surface is inclined and a thickness T of the convex concave amplifying device, wherein said thickness T corresponds to a sum of the thickness of the sensing member and a length of the protrusions.