ANTENNA MEMBER AND DIGITAL TV RECEIVER USING SAME

• US 20080165284A1
• Filed: 11/08/2007
• Published: 07/10/2008
• Est. Priority Date: 01/05/2007
• Status: Abandoned Application

• Current Assignee: Fitilink Integrated Technology, Inc.
• Original Assignee: Fitipower Integrated Technology Inc.
• Inventors: KUNG, FAN-HSI, YANG, WEN-PIN
• Application Number:
  US11/937,346
• Publication Number:
  US 20080165284A1
• Time in Patent Office: Days
• US Class Current: 348/554
• CPC Class Codes: H04N 21/42206 characterized by hardware details
• CPC Class Codes: H04N 21/42221 Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
• CPC Class Codes: H04N 5/63 Generation or supply of power specially adapted for television receivers
• CPC Class Codes: H04N 5/64 Constructional details of receivers, e.g. cabinets or dust covers furniture aspects of television cabinets A47B81/06

Abstract

An antenna member (120) includes a main body (122), a receiver (121) extending from the main body configured for receiving TV signals, an infrared receiver (123) arranged in the main body configured for receiving remote control signals sent out from a remote device.

Claims

1. An antenna member, comprising:

a main body;

a receiver extending from the main body configured for receiving TV signals;

an infrared receiver arranged in the main body configured for receiving remote control signals sent out from a remote device.

2. The antenna member as claimed in claim 1, further comprising a power supply arranged therein for supplying a working voltage to the infrared receiver.

3. The antenna member as claimed in claim 2, wherein the power supply is one of a battery and a power adapter.

4. The antenna member as claimed in claim 2, further comprising a first low-pass filter, a first resistor R1 and a first capacitor C1 arranged therein, the first low-pass filter including a first inductor L1 and a second capacitor C2, the power supply, the first resistor R1 and the first capacitor C1 being electrically connected together to form a loop, an input terminal Vcc of the infrared receiver connecting to a first node defined between the first resistor R1 and the first capacitor C1, another terminal of the first capacitor C1 electrically connecting to a ground, a grounding terminal GND of the infrared receiver electrically connecting to the ground, an output terminal Vout of the infrared receiver electrically connecting to a second node defined between the first inductor L1 and the second capacitor C2, another terminal of the second capacitor C2 electrically connecting to the ground, and another terminal of the first inductor L1 being served as an output of the antenna member configured for transmitting the remote control signals received from the infrared receiver.

5. The antenna member as claimed in claim 4, further comprising a second resistor R2 electrically connecting between the power supply and the output terminal Vout of the infrared receiver.

6. The antenna member as claimed in claim 1, further comprising a first low-pass filter, a first resistor R1 and a first capacitor C1 arranged in the main body, the first low-pass filter including a first inductor L1 and a second capacitor C2, an input terminal Vcc of the infrared receiver electrically connecting to a first node defined between the first resistor R1 and the first capacitor C1, another terminal of the first capacitor C1 electrically connecting to a ground, another terminal of the first resistor R1 electrically connecting to a second node defined between the first inductor L1 and the second capacitor C2, another terminal of the second capacitor C2 electrically connecting to the ground, another terminal of the first inductor L1 being served as an input of the antenna member configured for supplying a working voltage to the infrared receiver, a grounding terminal GND of the infrared receiver electrically connecting to the ground, and an output terminal Vout of the infrared receiver being served as an output of the antenna member configured for transmitting the remote control signals received from the infrared receiver.

7. The antenna member as claimed in claim 6, further comprising a second resistor R2 electrically connecting between the output terminal Vout of the infrared receiver and the second node defined between the first inductor L1 and the second capacitor C2.

8. A digital TV receiver, comprising:

a TV tuner;

a RF cable;

an antenna member electrically connecting to the TV tuner through the RF cable, the antenna member including a main body, a receiver extending from the main body configured for receiving TV signals and transmitting the TV signals to the TV tuner through the RF cable, an infrared receiver arranged in the main body configured for receiving remote control signals sent out from a remote device.

9. The digital TV receiver as claimed in claim 8, wherein the antenna member further includes a power supply arranged in the antenna member configured for supplying a working voltage to the infrared receiver, and the remote control signals received from the infrared receiver are transmitted to the TV tuner through the RF cable.

10. The digital TV receiver as claimed in claim 9, wherein the power supply is one of a battery and a power adapter.

11. The digital TV receiver as claimed in claim 9, wherein the antenna member further includes a first low-pass filter, a first resistor R1 and a first capacitor Cl arranged therein, the first low-pass filter includes a first inductor L1 and a second capacitor C2;

the TV tuner includes a RF connector connected to the RF cable, a second low-pass filter connected to the RF connector, the second low-pass filter includes a second inductor L2, a third capacitor C3 and a fourth capacitor C4;

the power supply, the first resistor R1 and the first capacitor C1 are electrically connected together to form a loop, an input terminal Vcc of the infrared receiver electrically connects a first node defined between the first resistor R1 and the first capacitor C1, another terminal of the first capacitor C1 electrically connects to a ground, a grounding terminal GND of the infrared receiver electrically connects to the ground, an output terminal Vout of the infrared receiver electrically connects to a second node defined between the first inductor L1 and the second capacitor C2, another terminal of the second capacitor C2 electrically connects to the ground, and another terminal of the first inductor L1 electrically connects to a third node defined between the second inductor L2 and the fourth capacitor C4 of the TV tuner through the RF cable and the RF connector, the receiver also electrically connects to the third node defined between the second inductor L2 and the fourth capacitor C4 of the TV tuner through the RF cable and the RF connector, another terminal of the fourth capacitor C4 is served as a first output of the digital TV receiver configured for outputting the TV signals received from the receiver, another terminal of the second inductor L2 electrically connects to one terminal of the third capacitor C3, another terminal of the third capacitor C3 electrically connects to the ground, and a fourth node defined between the second inductor L2 and the third capacitor C3 is served as a second output terminal of the digital TV receiver configured for outputting the remote control signals received from the infrared receiver.

12. The digital TV receiver as claimed in claim 11, wherein the antenna member further includes a second resistor R2 electrically connecting between the power supply and the output terminal Vout of the infrared receiver.

13. The digital TV receiver as claimed in claim 8, wherein an input terminal Vcc of the infrared receiver obtains a working voltage from the TV tuner through the RF cable, and an output terminal Vout of the infrared receiver electrically connects to a transmitting wire served as a second output terminal of the TV tuner configured for outputting directly the remote control signals received from the infrared receiver.

14. The digital TV receiver as claimed in claim 13, wherein the antenna member further includes a first low-pass filter, a first resistor R1 and a first capacitor C1 arranged therein, the first low-pass filter includes a first inductor L1 and a second capacitor C2;

the TV tuner includes a RF connector electrically connecting to the RF cable, a second low-pass filter electrically connecting to the RF connector, the second low-pass filter includes a second inductor L2, a third capacitor C3 and a fourth capacitor C4;

the input terminal Vcc of the infrared receiver electrically connects to a first node defined between the first resistor R1 and the first capacitor C1, another terminal of the first capacitor C1 electrically connects to a ground, another terminal of the first resistor R1 electrically connects to a second node defined between the first inductor L1 and the second capacitor C2, another terminal of the second capacitor C2 electrically connects to the ground, and another terminal of the first inductor L1 electrically connects to a third node defined between the second inductor L2 and the fourth capacitor C4 of the TV tuner through the RF cable and the RF connector, the receiver also electrically connects to the third node defined between the second inductor L2 and the fourth capacitor C4 of the TV tuner through the RF cable and the RF connector, another terminal of the fourth capacitor C4 is served as a first output of the digital TV receiver configured for outputting the TV signals received form the receiver, another terminal of the second inductor L2 electrically connects to one terminal of the third capacitor C3, another terminal of the third capacitor C3 electrically connects to the ground, and a fourth node defined between the second inductor L2 and the third capacitor C3 is served as an input terminal of the digital TV receiver configured for supplying a working voltage to the input terminal Vcc of the infrared receiver, a grounding terminal GND of the infrared receiver electrically connects to the ground, and the output terminal Vout of the infrared receiver electrically connects to the transmitting wire configured for transmitting the remote control signals to the TV tuner.

15. The digital TV receiver as claimed in claim 14, wherein the antenna member further includes a second resistor R2 electrically connecting between the output terminal Vout of the infrared receiver and the second node defined between the first inductor L1 and the second capacitor C2.