Semiconductor device and heating system
First Claim
Patent Images
1. A heating system comprising:
- a semiconductor device; and
a transmission/reception device;
the semiconductor device comprising;
a sheet containing a fibrous body,a converting circuit over the sheet,a control circuit over the sheet, the control circuit being electrically connected to the converting circuit,an insulating layer over the converting circuit and the control circuit,an antenna over and in contact with the insulating layer, the antenna being electrically connected to the converting circuit,a heater over and in contact with the insulating layer, the heater being electrically connected to the control circuit,a temperature sensor circuit over the sheet, the temperature sensor circuit being electrically connected to the control circuit,a charging circuit over the sheet, anda flexible lithium ion battery over the sheet, electrically connected to the charging circuit,wherein the antenna receives a radio wave transmitted from the transmission/reception device,wherein the converting circuit converts the radio wave into electric power,wherein the heater is heated with the electric power,wherein the temperature sensor circuit measures temperature of the heater, andwherein the transmission/reception device determines whether to heat the heater or not based on the temperature of the heater.
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Accused Products
Abstract
A device that warms a surface of a living body required to be warmed at an appropriate timing at any place indoors and outdoors or the sea without causing low temperature burns. A sheet having a heat generating function including a circuit capable of receiving electric power without contact over a sheet containing plastic or a fibrous body, a heat generating circuit, and a circuit that controls the temperature of the heat generating circuit is manufactured. The user with the sheet transmits the radio signal from the transmission device outdoors or indoors to heat the heat generating circuit on the sheet and the heat can be conducted to the skin of the user. Temperature can be automatically adjusted by the circuit for controlling the temperature of the heat generating circuit.
117 Citations
15 Claims
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1. A heating system comprising:
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a semiconductor device; and a transmission/reception device; the semiconductor device comprising; a sheet containing a fibrous body, a converting circuit over the sheet, a control circuit over the sheet, the control circuit being electrically connected to the converting circuit, an insulating layer over the converting circuit and the control circuit, an antenna over and in contact with the insulating layer, the antenna being electrically connected to the converting circuit, a heater over and in contact with the insulating layer, the heater being electrically connected to the control circuit, a temperature sensor circuit over the sheet, the temperature sensor circuit being electrically connected to the control circuit, a charging circuit over the sheet, and a flexible lithium ion battery over the sheet, electrically connected to the charging circuit, wherein the antenna receives a radio wave transmitted from the transmission/reception device, wherein the converting circuit converts the radio wave into electric power, wherein the heater is heated with the electric power, wherein the temperature sensor circuit measures temperature of the heater, and wherein the transmission/reception device determines whether to heat the heater or not based on the temperature of the heater. - View Dependent Claims (4, 6, 8, 10, 12, 14)
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2. A heating system comprising:
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a semiconductor device; and a transmission/reception device; the semiconductor device comprising; a sheet containing a fibrous body, a converting circuit over the sheet, a control circuit over the sheet, the control circuit being electrically connected to the converting circuit, an insulating layer over the converting circuit and the control circuit, an antenna over and in contact with the insulating layer, the antenna being electrically connected to the converting circuit, a heater over and in contact with the insulating layer, the heater being electrically connected to the control circuit, a temperature sensor circuit over the sheet, the temperature sensor circuit being electrically connected to the control circuit, a charging circuit over the sheet, and a flexible lithium ion battery over the sheet, electrically connected to the charging circuit, wherein the antenna receives a radio wave transmitted from the transmission/reception device, wherein the converting circuit converts the radio wave into electric power, wherein the heater is heated with electric power, wherein the temperature sensor circuit measures temperature of the heater, wherein the control circuit transmits temperature data of the heater to the transmission/reception device through the antenna, and wherein the transmission/reception device determines whether to heat the heater or not based on the temperature of the heater. - View Dependent Claims (3, 5, 7, 9, 11, 13, 15)
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Specification
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Current AssigneeSemiconductor Energy Laboratory Co., Ltd.
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Original AssigneeSemiconductor Energy Laboratory Co., Ltd.
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InventorsKuwabara, Hideaki
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Primary Examiner(s)Abraham, Ibrahime A
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Assistant Examiner(s)Calvetti, Frederick
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Application NumberUS12/207,112Publication NumberTime in Patent Office3,864 DaysField of Search219211, 219527, 219528, 219529, 219494, 219209, 320108, 257728US Class CurrentCPC Class CodesH05B 1/0233 for semiconductors manufact...
