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Measuring device, container device, and measuring system

Foreign code F210010599
File No. K110P15WO
Posted date 2021年11月4日
Country アメリカ合衆国
Application number 201917052583
Gazette No. 20210240014
Date of filing 令和元年5月15日(2019.5.15)
Gazette Date 令和3年8月5日(2021.8.5)
International application number JP2019019265
International publication number WO2019221166
Date of international filing 令和元年5月15日(2019.5.15)
Date of international publication 令和元年11月21日(2019.11.21)
Priority data
  • 特願2018-093952 (2018.5.15) JP
  • 特願2019-010727 (2019.1.25) JP
  • 2019JP19265 (2019.5.15) WO
Title Measuring device, container device, and measuring system
Abstract The Present invention is a measuring system including a measuring device 10 that is attached to a living body, the measuring device 10 being configured to store information about an amount of electric power generated using sugars in a body fluid or bodily secretion of a living body, and a container device 15 for storing the measuring device 10, the container device 15 receiving the information about the amount of electric power generated, which is stored in the measuring device 10, using a near-field wireless communication method when the measuring device 10 is stored in the container device 15.
Outline of related art and contending technology BACKGROUND ART
There has been known a biomolecule detection device that includes a power generation unit that is provided to a contact lens or the like and utilizes the decomposition reaction of biomolecules such as sugars, and transmits radio signals at a frequency based on the power generation amount of the power generation unit (for example, Patent Document 1).
Scope of claims [claim1]
1. A measuring system comprising:
a measuring device that is attached to a living body, the measuring device being configured to store information about an amount of electric power generated using sugars in a body fluid or bodily secretion of a living body; and
a container device for storing the measuring device, the container device receiving the information about the amount of electric power generated, which is stored in the measuring device, using a near-field wireless communication method when the measuring device is stored in the container device.

[claim2]
2. The measuring system according to claim 1, wherein the measuring device is configured to use an electric power generated using sugars in the body fluid or bodily secretion of the living body as a power supply to generate and store the information about the amount of electric power generated.

[claim3]
3. The measuring system according to claim 1,
wherein the container device includes a first antenna and a second antenna,
wherein the measuring device includes a third antenna to be sandwiched between the first antenna and the second antenna when the measuring device is stored in the container device,
wherein the measuring device transmits the information to the container device by the third antenna inhibiting electromagnetic coupling between the first antenna and the second antenna or propagation of an electromagnetic wave.

[claim4]
4. The measuring system according to claim 1,
wherein the measuring device includes:
a power generation unit that generates an electromotive force through a reaction of the sugars,
a first oscillator that uses the electromotive force of the power generation unit as a power-supply voltage, and generates a first oscillation signal of which a period varies in response to a variation in the electromotive force,
a second oscillator that uses the electromotive force as a power-supply voltage and generates a second oscillation signal of which a variation in period with respect to a variation in the electromotive force is smaller than that of the first oscillator,
a timing circuit that uses the electromotive force as a power-supply voltage and generates a first timing and a second timing according to the second oscillation signal,
a counter circuit that uses the electromotive force as a power-supply voltage, and counts the number of pulses of the first oscillation signal between the first timing and the second timing, and
a storage unit that stores the number of pulses as the information.

[claim5]
5. The measuring system according to claim 1, wherein the measuring device is mounted to a contact lens, and the body fluid or bodily secretion of the living body is a tear.

[claim6]
6. A measuring device to be attached to a living body, comprising:
a power generation unit that generates electric power using sugars in a body fluid or bodily secretion of the living body;
a storage unit that stores information about a power generation amount of the power generation unit; and
a transmission unit that transmits the information about the power generation amount stored in the storage unit to a container device using a near-field wireless communication method when the measuring device is stored in the container device.

[claim7]
7. A container device comprising:
a container unit for storing a measuring device to be attached to a living body, the measuring device storing information about an amount of electric power generated using sugars in a body fluid or bodily secretion of the living body; and
a reception unit that receives the information about the amount of electric power generated, which is stored in the measuring device, using a near-field wireless communication method when the measuring device is stored in the container unit.

[claim8]
8. A measuring device comprising:
a power generation unit that generates an electromotive force through a reaction of biomolecules;
a first oscillator that uses the electromotive force as a power-supply voltage and generates a first oscillation signal of which a period varies in response to a variation in the electromotive force;
a second oscillator that uses the electromotive force as a power-supply voltage and generates a second oscillation signal of which a variation in period with respect to a variation in the electromotive force is smaller than that of the first oscillator, and
a timing circuit that uses the electromotive force as a power-supply voltage and generates a first timing and a second timing according to the second oscillation signal; and
a counter circuit that uses the electromotive force as a power-supply voltage and counts the number of pulses of the first oscillation signal between the first timing and the second timing.

[claim9]
9. The measuring device according to claim 8, further comprising a memory circuit that stores information on the number of pulses.

[claim10]
10. The measuring device according to claim 9, further comprising a transmission circuit that transmits the information about the number of pulses stored in the memory circuit using a near-field wireless communication method.

[claim11]
11. The measuring device according to claim 9, further comprising an electricity storage device that accumulates electric power generated by the power generation unit, and supplies an electric power for retaining the information about the number of pulses stored in the memory circuit to the memory circuit when the power generation unit does not generate electric power.

[claim12]
12. A measuring device to be attached to a living body, comprising:
a power generation unit that generates a first electromotive force using sugars in a body fluid or bodily secretion of the living body;
a conversion circuit that uses the first electromotive force as a power-supply voltage and converts the first electromotive force into a digital signal;
a transmission circuit that transmits information about the digital signal using a wireless communication method; and
a power supply that supplies electric power to the transmission circuit without supplying electric power to the conversion circuit.

[claim13]
13. The measuring device according to claim 12, wherein the power supply is a solar cell.

[claim14]
14. The measuring device according to claim 13, further comprising a booster circuit that is activated according to an activation signal generated by the conversion circuit and boosts a second electromotive force generated by the solar cell.

[claim15]
15. A measuring device comprising:
a power generation unit that generates an electromotive force through a reaction of biomolecules;
an oscillator that uses the electromotive force as a power-supply voltage and generates an oscillation signal;
a voltage-time conversion circuit that uses the electromotive force as a power-supply voltage and converts a magnitude of the electromotive force into a period; and
a counter circuit that uses the electromotive force as a power-supply voltage and counts the number of pulses of the oscillation signal within the period.
  • Inventor, and Inventor/Applicant
  • NIITSU KIICHI
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
IPC(International Patent Classification)
Reference ( R and D project ) PRESTO Design of Information Infrastructure Technologies Harmonized with Societies AREA
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