Image processing apparatus including a print board including a layered board and a cylindrical magnetic body
In an image processing apparatus, a print board includes a layered board, frequency signal lines, and a cylindrical magnetic body. The frequency signal lines are formed on an intermediate layer of the layered board. The cylindrical magnetic body includes a lower portion, an upper portion, and a pair of side portions, wherein the lower portion and the upper portion are respectively formed on layers of the layered board that are, in a thickness direction of the print board, located under and on the intermediate layer on which the frequency signal lines are formed, and the pair of side portions connect the lower portion and the upper portion at opposite sides of the frequency signal lines. The cylindrical magnetic body is formed in a shape of a cylinder in such a way as to extend along the frequency signal lines and surround a circumference of the frequency signal lines.
1. An image processing apparatus comprising:
an image forming device configured to execute a print process of forming an image on a sheet, or an image reading device configured to execute an image reading process of reading an image from a document sheet; and
a print board including a layered board and one or more frequency signal lines that are wiring patterns formed on an intermediate layer of the layered board, the print board transmitting, through the one or more frequency signal lines, frequency signals concerning the print process or the image reading process, wherein
the print board further includes a cylindrical magnetic body that includes a lower portion, an upper portion, and a pair of side portions, the lower portion and the upper portion being respectively formed on layers of the layered board that are, in a thickness direction of the print board, located under and on the intermediate layer on which the one or more frequency signal lines are formed, the pair of side portions connecting the lower portion and the upper portion at opposite sides of the one or more frequency signal lines, the cylindrical magnetic body being formed in a shape of a cylinder in such a way as to extend along the one or more frequency signal lines and surround a circumference of the one or more frequency signal lines, the cylindrical magnetic body being electrically insulated from the one or more frequency signal lines by the layered board.
2. The image processing apparatus according to claim 1 , further comprising:
a plurality of developer containers storing developer and being attached to a container attachment portion of an apparatus main body in a detachable manner, the developer being supplied to the image forming device;
a plurality of electronic tags respectively attached to the plurality of developer containers; and
a control device configured to control the image forming device based on data read from the plurality of electronic tags, wherein
the print board includes:
a plurality of the frequency signal lines;
a modulation/demodulation circuit electrically connected to the plurality of the frequency signal lines; and
a plurality of antennas electrically connected to the modulation/demodulation circuit through the plurality of the frequency signal lines, and configured to transmit and receive radio signals to and from the plurality of electronic tags,
the modulation/demodulation circuit, in accordance with a control command from the control device, outputs transmission frequency signals to the plurality of antennas through the plurality of the frequency signal lines, reads data from the electronic tags by receiving reception frequency signals through the plurality of antennas and the plurality of the frequency signal lines, and transmits the data read from the electronic tags to the control device, and
the cylindrical magnetic body surrounds, in a batch, the plurality of the frequency signal lines in a range in which the plurality of the frequency signal lines are parallel to each other.
3. The image processing apparatus according to claim 2 , wherein
the plurality of the frequency signal lines are formed on a plurality of the intermediate layers in the layered board, and
the cylindrical magnetic body surrounds, in a batch, the plurality of the frequency signal lines formed on the plurality of the intermediate layers, in a range in which the plurality of the frequency signal lines are parallel to each other.
4. The image processing apparatus according to claim 1 , further comprising:
a control device configured to control the image reading device, wherein
the print board includes:
a plurality of the frequency signal lines electrically connected to one or more devices including the image reading device; and
a timing control circuit electrically connected to the one or more devices including the image reading device through the plurality of the frequency signal lines, and configured to output frequency signals to the one or more devices including the image forming device or the image reading device in accordance with control commands from the control device so as to control timing of the image reading process, the timing control circuit outputting the frequency signals through the plurality of the frequency signal lines, and
the cylindrical magnetic body surrounds, in a batch, the plurality of the frequency signal lines in a range in which the plurality of the frequency signal lines are parallel to each other.
5. The image processing apparatus according to claim 4 , wherein
the plurality of the frequency signal lines are formed on a plurality of the intermediate layers in the layered board, and
the cylindrical magnetic body surrounds, in a batch, the plurality of the frequency signal lines formed on the plurality of the intermediate layers, in a range in which the plurality of the frequency signal lines are parallel to each other.