Examination element and examination container
First Claim
Patent Images
1. An examination container comprising:
- a container; and
an examination element provided in the container,the examination element comprising;
a battery;
an antenna configured to receive a wireless signal transmitted from an external device;
a rectifying circuit converting the wireless signal received by the antenna into direct current;
a charge circuit configured to generate current based on an electric power from the rectifying circuit and charge the battery, the charge circuit comprising a constant current source and a switch circuit;
a charge control circuit configured to monitor an amount of charge in the battery;
a reagent portion configured to be in contact with a liquid;
a sensor configured to detect a change of color or a colored degree of the reagent portion;
an insulating layer covering the sensor, wherein the reagent portion is provided over the insulating layer; and
a semiconductor device capable of wireless communication,wherein the battery is connected to the sensor, the semiconductor device, the charge circuit, and the charge control circuit,wherein the semiconductor device comprises a memory circuit and a circuit,wherein the circuit is configured to perform an analytical processing of data of the change of color or the colored degree of the reagent portion detected by the sensor,wherein the memory circuit is configured to store data processed by the circuit,wherein the semiconductor device is configured to transmit the data processed by the circuit and stored in the memory circuit to an external database,wherein a first terminal of the switch circuit is electrically connected to the constant current source,wherein a second terminal of the switch circuit is electrically connected to the battery,wherein the charge control circuit is configured to output low-level potential to a third terminal of the switch circuit so that the first terminal of the switch circuit is electrically connected to the second terminal of the switch circuit when the battery is not overcharged, andwherein the charge control circuit is configured to output high-level potential to the third terminal of the switch circuit so that the first terminal of the switch circuit is not electrically connected to the second terminal of the switch circuit when the battery is overcharged,wherein the container is a cylindrical body with a bottom, andwherein the examination element is attached to the bottom.
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Abstract
The present invention relates to an examination element that includes an antenna; a hygroscopic portion that absorbs a specimen; a reagent portion that, reacts with the specimen; and a chip including a semiconductor device capable of wireless communication and a photo sensor that detects a change in a color of the reagent portion. A change in the reagent portion is detected by the photo sensor, the detected data is stored in the semiconductor device capable of wireless communication, and the data is transmitted to an external database.
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Citations
16 Claims
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1. An examination container comprising:
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a container; and an examination element provided in the container, the examination element comprising; a battery; an antenna configured to receive a wireless signal transmitted from an external device; a rectifying circuit converting the wireless signal received by the antenna into direct current; a charge circuit configured to generate current based on an electric power from the rectifying circuit and charge the battery, the charge circuit comprising a constant current source and a switch circuit; a charge control circuit configured to monitor an amount of charge in the battery; a reagent portion configured to be in contact with a liquid; a sensor configured to detect a change of color or a colored degree of the reagent portion; an insulating layer covering the sensor, wherein the reagent portion is provided over the insulating layer; and a semiconductor device capable of wireless communication, wherein the battery is connected to the sensor, the semiconductor device, the charge circuit, and the charge control circuit, wherein the semiconductor device comprises a memory circuit and a circuit, wherein the circuit is configured to perform an analytical processing of data of the change of color or the colored degree of the reagent portion detected by the sensor, wherein the memory circuit is configured to store data processed by the circuit, wherein the semiconductor device is configured to transmit the data processed by the circuit and stored in the memory circuit to an external database, wherein a first terminal of the switch circuit is electrically connected to the constant current source, wherein a second terminal of the switch circuit is electrically connected to the battery, wherein the charge control circuit is configured to output low-level potential to a third terminal of the switch circuit so that the first terminal of the switch circuit is electrically connected to the second terminal of the switch circuit when the battery is not overcharged, and wherein the charge control circuit is configured to output high-level potential to the third terminal of the switch circuit so that the first terminal of the switch circuit is not electrically connected to the second terminal of the switch circuit when the battery is overcharged, wherein the container is a cylindrical body with a bottom, and wherein the examination element is attached to the bottom. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An examination container comprising:
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a container; and an examination element provided in the container, the examination element comprising; a battery; an antenna configured to receive a wireless signal transmitted from an external device; a rectifying circuit converting the wireless signal received by the antenna into direct current; a charge circuit configured to generate current based on an electric power from the rectifying circuit and charge the battery, the charge circuit comprising a constant current source and a switch circuit; a charge control circuit configured to monitor an amount of charge in the battery; a reagent portion configured to be in contact with a liquid; a light source configured to irradiate the reagent portion with light; a sensor configured to detect a change of color or a colored degree of the reagent portion; and a semiconductor device capable of wireless communication, wherein the battery is connected to the sensor, the semiconductor device, the charge circuit, and the charge control circuit, wherein the semiconductor device comprises a memory circuit and a circuit, wherein the circuit is configured to perform an analytical processing of data of the change of color or the colored degree of the reagent portion detected by the sensor, wherein the memory circuit is configured to store data processed by the circuit, wherein the semiconductor device is configured to transmit the data processed by the circuit and stored in the memory circuit to an external database, wherein the sensor comprises a thin film transistor formed over a substrate, wherein the light source is a light emitting diode, wherein a first terminal of the switch circuit is electrically connected to the constant current source, wherein a second terminal of the switch circuit is electrically connected to the battery, wherein the charge control circuit is configured to output low-level potential to a third terminal of the switch circuit so that the first terminal of the switch circuit is electrically connected to the second terminal of the switch circuit when the battery is not overcharged, wherein the charge control circuit is configured to output high-level potential to the third terminal of the switch circuit so that the first terminal of the switch circuit is not electrically connected to the second terminal of the switch circuit when the battery is overcharged, and wherein the reagent portion, the light source, the sensor, and the semiconductor device are stacked with each other, wherein the container is a cylindrical body with a bottom, and wherein the examination element is attached to the bottom. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification