Memory card reader device having television broadcast signal reception function

摘要

There is provided a memory card reader device including: a memory card reader unit reading data stored on a memory card; a broadcast signal receiving unit receiving a television broadcast signal under control; a main control unit controlling operations of the memory card reader unit and the broadcast signal receiving unit and converting data from the memory card reader unit or a signal from the broadcast signal receiving unit into a signal suitable for a predetermined interface; and a wired connection unit transferring the signal from the main control unit to an external connection device.

主权项

1. A memory card reader device comprising:
a memory card reader unit reading data stored on a memory card; a broadcast signal receiving unit receiving a television broadcast signal under control; a main control unit controlling operations of the memory card reader unit and the broadcast signal receiving unit and converting data from the memory card reader unit or a signal from the broadcast signal receiving unit into a signal suitable for a predetermined interface; and a wired connection unit transferring the signal from the main control unit to an external connection device, wherein the broadcast signal receiving unit includes: an RF circuit unit passing and amplifying a signal in a corresponding broadcast band among RF signals coming through an antenna under the control of the main control unit; a conversion unit converting an RF signal of the corresponding broadcast band into an IF signal under the control of the main control unit; and an IF circuit unit passing and amplifying the IF signal from the conversion unit under the control of the main control unit, wherein the RF circuit unit includes an automatic gain control amplifier adjusting an amplification factor according to the strength of a received RF signal and maintaining the strength of the received RF signal at an appropriate level.