label circuit
A circuit and label technology, applied in circuit devices, battery circuit devices, current collectors, etc., can solve problems such as different power conversion characteristics
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no. 1 Embodiment approach 》
[0047] exist figure 2 The schematic structure and usage of the tag circuit 10 according to the first embodiment of the present invention are shown in . First, the outline of the tag circuit 10 according to this embodiment will be described using this figure.
[0048]The tag circuit 10 of the present embodiment is a circuit for constructing a system in which the reader / writer device 40 can wirelessly use the load 30 such as sensors, LEDs, ICs, and microcomputers. In addition, the tag circuit 10 is realized as any one of an IC chip, a circuit obtained by combining discrete components, and a circuit obtained by combining an IC chip and discrete components. In addition, the reader / writer device 40 refers to a device in which a reader / writer (R / W) 42 equipped with an antenna 41 is connected to a host device 43 such as a computer.
[0049] As shown in the figure, the tag circuit 10 is a circuit used in connection with an antenna 20 and a load 30, wherein the antenna 20 is used to...
no. 2 Embodiment approach 》
[0074] Hereinafter, the configuration and operation of the tag circuit 10 according to the second embodiment will be described centering on parts different from the tag circuit 10 according to the first embodiment using the same reference numerals as those used in describing the tag circuit 10 according to the first embodiment. Be explained. In addition, in the description of each of the following embodiments, the tag circuit 10 of the Lth embodiment and the rectification circuit 13 of the tag circuit 10 are described as the Lth tag circuit 10 and the Lth rectification circuit 13, respectively.
[0075] The 2nd label circuit 10 is the rectification circuit 13 of the 1st label circuit 10 ( image 3 ) is replaced by Image 6 The circuit shown is the rectifier circuit 13 of the structure.
[0076]That is, the second rectification circuit 13 (the rectification circuit 13 of the label circuit 10 according to the second embodiment) has the first rectification circuit 22 1 ~Nth re...
no. 3 Embodiment approach 》
[0079] Hereinafter, the structure of the tag circuit 10 according to the third embodiment of the present invention, Actions are described.
[0080] Figure 8 The schematic configuration of the tag circuit 10 according to the third embodiment of the present invention is shown.
[0081] The matching circuit 11, demodulation circuit 12, and modulation circuit 14 of the third tag circuit 10 (tag circuit 10 of the third embodiment) are the same as the matching circuit 11, demodulation circuit 12, and modulation circuit 14 of the first tag circuit 10, respectively. circuit.
[0082] The 3rd rectification circuit 13 (the rectification circuit 13 of the 3rd label circuit 10) has Figure 9 Circuit of the structure shown. That is, the third rectifier circuit 13 has diodes (D 11 、D 12 etc.) connected in parallel to "N-1" elements for reducing on-resistance in which switches and diodes are connected in series. Furthermore, the third rectifier circuit 13 is a circuit that uses the o...
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