Vibration transmission plate for inputting coordinates

A multi-layer vibration transmission plate for use in a vibration input apparatus for inputting coordinates to detect vibrations input by a vibration input pen, with the vibration input apparatus having a plurality of sensors provided on said multi-layer vibration transmission plate for detecting the contact coordinates of the vibration input pen on said multi-layer vibration transmission plate, said multi-layer vibration transmission plate comprising;

• a first layer having an upper input surface for receiving vibrations from the vibration input pen and a lower surface;
• a second later propagating the vibrations to the plurality of sensors;
• and
• a third layer disposed between said second layer and said first layer, wherein
• the respective layers are superposed so that they contact each other in an unbonded state.

A multi-layer vibration transmission plate for inputting coordinates for identifying a position of a vibration input pen generating vibrations on said multi-layer vibration transmission plate by a plurality of sensors, said multi-layer vibration transmission plate comprising:

• an input layer having an upper surface for receiving vibrations from the vibration input pen and a lower surface;
• and
• a vibration propagating layer for propagating the vibrations to the plurality of sensors, said vibration propagating layer having an upper surface contacting said lower surface of said input layer at contact portions, wherein
• one of said lower surface of said input layer and said upper surface of said vibration propagating layer has a pointed contact surface for contacting the other surface at said contact portions.

A multi-layer vibration transmission plate for inputting coordinates to identify a position of a vibration input pen generating vibrations on said multi-layer vibration transmission plate by detecting the vibrations with a plurality of sensors, said multi-layer vibration transmission plate comprising:

• an input layer for receiving the vibrations from the vibration input pen;
• a vibration propagating layer for propagating the vibrations to the sensors;
• and
• an intermediate layer, disposed between said input layer and said vibration propagating layer, for transmitting the vibrations input to said input layer to said vibration propagating layer, wherein
• said intermediate layer comprises a plurality of polygonal units arranged in a plane so as to provide cavities between said input layer and said vibration propagating layer.

A vibration transmission plate for inputting coordinates to identify a position of a vibration input pen generating vibrations on said vibration transmission plate by detecting the vibrations with a plurality of sensors, said vibration transmission plate comprising:

• an input layer for receiving vibrations from the vibration input pen;
• and
• a vibration propagating layer for propagating the vibrations to the plurality of sensors, wherein
• said input layered uses a material whose crystalline structure is a layer structure.

A multi-layer vibration transmission plate for inputting coordinates to identify a position of a vibration input pen generating vibrations on said multi-layer vibration transmission plate by detecting the vibrations with a plurality of sensors, said multi-layer vibration transmission plate comprising:

• an input layer for receiving vibrations from the vibration input pen;
• a vibration propagating layer for propagating the vibrations to the plurality of sensors;
• and
• a solid lubricating layer, disposed between said input layer and said vibration propagating layer, for transmitting the vibrations between said input layer and said vibration layer.

A multi-layer vibration transmission device for detecting vibrations input by a vibration input pen, comprising:

• a first layer having an upper surface for receiving vibrations from the vibration input pen and a lower surface;
• a second layer receiving the vibrations transmitted through said first layer;
• and
• a third layer disposed between said second layer and said first layer for transmitting the vibrations between said first layer and said second layer;
• and
• a plurality of sensors disposed on said second layer for detecting the vibrations.

A vibration transmission device, comprising:

• an input layer for receiving vibrations from a vibrating input pen;
• an intermediate layer in contact with said input layer for receiving vibrations from said input layer, said intermediate layer having means for transmitting the vibrations only in a predetermined direction that is orthogonal to a surface plane of said input layer;
• a vibration propagating layer in contact with said intermediate layer for receiving vibrations from said intermediate layer;
• and
• a plurality of sensors secured on said vibration propagating layer for detecting the vibrations.

A vibration transmission device, comprising:

• an input layer for receiving vibrations from a vibration input pen;
• a vibration propagating layer for propagating the vibrations;
• a solid lubricating layer, disposed between said input layer and said vibration propagating layer, for transmitting the vibration between said input layer and said vibration propagating layer;
• and
• a plurality of sensors disposed on said vibration propagating layer for detecting the vibrations.