Sheet, display medium unit, sheet attaching device, and sheet detaching device
First Claim
Patent Images
1. A sheet comprising:
- a plurality of wireless measuring units, each of the plurality of wireless measuring units measuring at least one physical property of external environmental conditions surrounding the sheet, in response to receiving a first radio signal, wherein the plurality of wireless measuring units use the first radio signal as an energy source, and a frequency of the first radio signal is one of a plurality of frequencies, with each frequency activating the measurement of only one physical property of external environmental conditions surrounding the sheet, wherein the plurality of wireless measuring units generate and transmit a second radio signal comprising data indicating the at least one measured physical property, the sheet is used alongside an electronic paper, at least one physical property consists of at least one selected from the group consisting of temperature, pressure, light, and acceleration, the at least one physical property is measured by a propagation velocity of a surface acoustic wave, and the at least one physical property is displayed on said electronic paper.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention provides a sheet with plural wireless measuring units, each of which, when a radio signal is sent, measures physical quantity surrounding itself by using the radio signal as an energy source, and generates and sends a radio signal having an attribute reflecting the measured physical quantity.
18 Citations
20 Claims
-
1. A sheet comprising:
- a plurality of wireless measuring units, each of the plurality of wireless measuring units measuring at least one physical property of external environmental conditions surrounding the sheet, in response to receiving a first radio signal, wherein the plurality of wireless measuring units use the first radio signal as an energy source, and a frequency of the first radio signal is one of a plurality of frequencies, with each frequency activating the measurement of only one physical property of external environmental conditions surrounding the sheet, wherein the plurality of wireless measuring units generate and transmit a second radio signal comprising data indicating the at least one measured physical property, the sheet is used alongside an electronic paper, at least one physical property consists of at least one selected from the group consisting of temperature, pressure, light, and acceleration, the at least one physical property is measured by a propagation velocity of a surface acoustic wave, and the at least one physical property is displayed on said electronic paper.
- View Dependent Claims (12, 13, 17)
-
2. A display medium unit comprising:
- a sheet comprising a plurality of wireless measuring units, each of the plurality of wireless measuring units measuring at least one physical property of external environmental conditions surrounding the sheet, in response to receiving a first radio signal, and a sheet-like display medium which is laid on the sheet, wherein the plurality of wireless measuring units use the first radio signal as an energy source, and a frequency of the first radio signal is one of a plurality of frequencies, with each frequency activating the measurement of only one physical property of external environmental conditions surrounding the sheet, the sheet is used alongside an electronic paper, wherein the plurality of wireless measuring units generate and transmit a second radio signal comprising data indicating the at least one measured physical property, and the at least one physical property consists of at least one selected from the group consisting of temperature, pressure, light, and acceleration, the at least one physical property is measured by a propagation velocity of a surface acoustic wave, and the at least one physical property is displayed on said electronic paper.
-
3. A display medium unit comprising:
-
a sheet comprising a plurality of wireless measuring units, each of the plurality of wireless measuring units measuring at least one physical property of external environmental conditions surrounding the sheet, in response to receiving a first radio signal, and a sheet-like display medium which is laid on the sheet, wherein the plurality of wireless measuring units use the first radio signal as an energy source, and a frequency of the first radio signal can be one of a plurality of frequencies, with each frequency activating the measurement of one physical property of external environmental conditions surrounding the sheet, the sheet is used alongside an electronic paper, plurality of wireless measuring units generate and transmit a second radio signal comprising data indicating the at least one measured physical property, the at least one physical property consists of at least one selected from the group consisting of temperature, pressure, light, and acceleration, and the at least one physical property is measured by a propagation velocity of a surface acoustic wave. - View Dependent Claims (4, 5, 14, 18)
-
-
6. A sheet attaching device comprising:
- a sheet housing unit which houses a plurality of sheets, each of the plurality of sheets comprising a plurality of wireless measuring units, each of the plurality of wireless measuring units measuring at least one physical property of external environmental conditions surrounding the sheet, in response to receiving a first radio signal;
a sheet feeder which feeds a sheet-like display medium; and
a sheet attaching unit which takes one or a plurality of sheets out of the sheet housing unit, and attaches the one or a plurality of sheets to a sheet-like display medium fed by the sheet feeder, wherein the plurality of wireless measuring units use the first radio signal as an energy source, the sheet is used alongside an electronic paper, the plurality of wireless measuring units generate and transmit a second radio signal comprising data indicating the at least one measured physical property, the at least one physical property consists of at least one selected from the group consisting of temperature, pressure, light, and acceleration, and the at least one physical property is measured by a propagation velocity of a surface acoustic wave, and the at least one physical property is displayed on said electronic paper.
- a sheet housing unit which houses a plurality of sheets, each of the plurality of sheets comprising a plurality of wireless measuring units, each of the plurality of wireless measuring units measuring at least one physical property of external environmental conditions surrounding the sheet, in response to receiving a first radio signal;
-
7. A sheet attaching device comprising:
-
a sheet housing unit which houses a plurality of sheets, each of the plurality of sheets comprising a plurality of wireless measuring units, each of the plurality of wireless measuring units measuring at least one physical property of external environmental conditions surrounding the sheet, in response to receiving a first radio signal; a sheet feeder which feeds a sheet-like display medium; and a sheet attaching unit which takes one or a plurality of sheets out of the sheet housing unit, and attaches the one or a plurality of sheets to a sheet-like display medium fed by the sheet feeder, wherein the plurality of wireless measuring units use the first radio signal as an energy source, the sheet is used alongside an electronic paper, the plurality of wireless measuring units generate and transmit a second radio signal comprising data indicating the at least one measured physical property, the at least one physical property consists of at least one selected from the group consisting of temperature, pressure, light, and acceleration, and the at least one physical property is measured by a propagation velocity of a surface acoustic wave. - View Dependent Claims (8, 9, 15, 19)
-
-
10. A sheet detaching device comprising:
- a sheet detaching unit which detaches a sheet from a sheet-like display medium to which the sheet is attached, wherein the sheet comprises a plurality of wireless measuring units, each of the plurality of wireless measuring units measuring at least one physical property of external environmental conditions surrounding the sheet, in response to receiving a first radio signal, the sheet is used alongside an electronic paper, wherein the plurality of wireless measuring units use the first radio signal as an energy source, the plurality of wireless measuring units generate and transmit a second radio signal comprising data indicating the at least one measured physical property, and at least one physical property consists of at least one selected from the group consisting of temperature, pressure, light, and acceleration, and the at least one physical property is measured by a propagation velocity of a surface acoustic wave, and the at least one physical property is displayed on said electronic paper.
-
11. A sheet detaching device comprising:
-
a sheet detaching unit which detaches a sheet from a sheet-like display medium to which the sheet is attached, wherein the sheet comprises a plurality of wireless measuring units, each of the plurality of wireless measuring units measuring at least one physical property of external environmental conditions surrounding the sheet, in response to receiving a first radio signal, the sheet is used alongside an electronic paper, plurality of wireless measuring units use the first radio signal as an energy source, the plurality of wireless measuring units generate and transmit a second radio signal comprising data indicating the at least one measured physical property, and the at least one physical property consists of at least one selected from the group consisting of temperature, pressure, light, and acceleration, and the at least one physical property is measured by a propagation velocity of a surface acoustic wave. - View Dependent Claims (16, 20)
-
Specification