IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0749759
(2007-05-17)
|
등록번호 |
US-7616160
(2009-11-23)
|
우선권정보 |
TW-95215845 U(2006-09-06) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
2 |
초록
▼
An electronic device and a related antenna module for integrating GPS signals and digital mobile television signals are provided. With variances of both frequency domains and bandwidths between GPS signals and digital mobile television signals in the VHF and UHF bands, said signals may be transmitte
An electronic device and a related antenna module for integrating GPS signals and digital mobile television signals are provided. With variances of both frequency domains and bandwidths between GPS signals and digital mobile television signals in the VHF and UHF bands, said signals may be transmitted inside the electronic device with different paths without interfering with each other.
대표청구항
▼
What is claimed is: 1. An electronic device for integrating a global positioning system antenna and a digital mobile television antenna, comprising: an antenna module, comprising: a first antenna for receiving a first global positioning system signal; a low noise amplifier having a first input term
What is claimed is: 1. An electronic device for integrating a global positioning system antenna and a digital mobile television antenna, comprising: an antenna module, comprising: a first antenna for receiving a first global positioning system signal; a low noise amplifier having a first input terminal coupled to the first antenna; a second antenna for receiving a first digital mobile television signal; a first filter module coupled to the low noise amplifier and the second antenna, for filtering the first global positioning system signal and the first digital mobile television signal to generate a second global positioning system signal and a second digital mobile television signal, for receiving a first DC voltage, and for filtering out noise from said first DC voltage to input the filtered first DC voltage to the low noise amplifier, wherein a mix signal is generated by mixing the second global positioning system signal with the second digital mobile television signal; and a receiving module comprising: a second filter module coupled to the first filter module for receiving the mix signal, for filtering both the second global positioning system signal and the second digital mobile television signal, for generating a third global positioning system signal, a third digital mobile television signal, and a fourth digital mobile television signal, for receiving a second DC voltage, and for filtering out noise from said second DC voltage to generate the first DC voltage; wherein a frequency domain of the third digital mobile television signal lies within the frequency domain of Very High Frequency (VHF), and a frequency domain of the fourth digital mobile television signal lies within the frequency domain of Ultra High Frequency (UHF). 2. The electronic device of claim 1, wherein the first filter module comprises: a first filter having an input terminal coupled to the output terminal of the low noise amplifier, wherein the first filter is utilized for filtering the first global positioning system signal to generate the second global positioning system signal; a second filter having an input terminal coupled to the second antenna, wherein the second filter is utilized for filtering the first digital mobile television signal to generate the second digital mobile television signal, and an output terminal of the first filter is coupled to an output terminal of the second filter; and a third filter having an input terminal coupled to the output terminal of the second filter, and having an output terminal coupled to the second input terminal of the low noise amplifier, for receiving the first DC voltage, for filtering out noise from said DC voltage, and for inputting the filtered DC voltage to the low noise amplifier. 3. The electronic device of claim 1, wherein the second filter module comprises: a fourth filter having an input terminal coupled to the antenna module, for filtering the mix signal to generate the third global positioning system signal; a fifth filter having an input terminal coupled to the antenna module, for filtering the mix signal to generate the third digital mobile television signal; a sixth filter having an input terminal coupled to the antenna module, for filtering the mix signal to generate the fourth digital mobile television signal; and a seventh filter having an output terminal coupled to the antenna module, for receiving the second DC voltage, and for filtering out noise from said second DC voltage to generate the first DC voltage. 4. The electronic device of claim 2, wherein the second filter module comprises: a fourth filter having an input terminal coupled to the antenna module, for filtering the mix signal to generate the third global positioning system signal; a fifth filter having an input terminal coupled to the antenna module, for filtering the mix signal to generate the third digital mobile television signal; a sixth filter having an input terminal coupled to the antenna module, for filtering the mix signal to generate the fourth digital mobile television signal; and a seventh filter having an output terminal coupled to the antenna module, for receiving a second DC voltage, and for filtering out noise from said second DC voltage to generate the first DC voltage. 5. The electronic device of claim 1 further comprising: a cable having a first terminal coupled to the antenna module for transmitting the mix signal; and a connector having a first terminal coupled to a second terminal of the cable, and having a second terminal connected to the receiving module for receiving the mix signal. 6. The electronic device of claim 3, wherein the receiving module further comprises: a first capacitor having a first terminal coupled to the antenna module; a global positioning system engine having an input terminal coupled to an output terminal of the fourth filter, for receiving the third global positioning system signal; a tuner comprising: a first digital mobile television channel module having an input terminal coupled to an output terminal of the fifth filter, for receiving the third digital mobile television signal; and a second digital mobile television channel module having an input terminal coupled to an output terminal of the sixth filter, for receiving the fourth digital mobile television signal; and a DC voltage source coupled to an input terminal of the seventh filter, for generating the second DC voltage. 7. The electronic device of claim 3, wherein the fourth filter is a surface acoustic wave filter. 8. The electronic device of claim 3, wherein the fifth filter comprises: a first inductor; a second capacitor having a first terminal coupled to the second terminal of the first inductor; a second inductor having a first terminal coupled to the second terminal of the second capacitor, and having a second terminal coupled to ground; a third capacitor having a first terminal coupled to the second terminal of the second capacitor, and having a second terminal coupled to ground, wherein the third capacitor and the second inductor are coupled to each other in a parallel connection; a third inductor having a first terminal coupled to the second terminal of the second capacitor; and a fourth capacitor having a first terminal coupled to the second terminal of the third inductor, and having a second terminal coupled to an input terminal of a first digital mobile television channel module. 9. The electronic device of claim 3, wherein the sixth filter comprises: a first inductor; a second capacitor having a first terminal coupled to a second terminal of the first inductor; a second inductor having a first terminal coupled to the second terminal of the second capacitor, and having a second terminal coupled to ground; a third capacitor having a first terminal coupled to the second terminal of the second capacitor, and having a second terminal coupled to ground, wherein the third capacitor and the second inductor are coupled to each other in a parallel connection; a third inductor having a first terminal coupled to the second terminal of the second capacitor; and a fourth capacitor having a first terminal coupled to the second terminal of the third inductor, and having a second terminal coupled to an input terminal of a second digital mobile television channel module. 10. The electronic device of claim 3, wherein the seventh filter comprises: a first inductor having a second terminal coupled to a DC voltage source; and a second capacitor having a first terminal coupled to a second terminal of the first inductor and a second terminal coupled to ground. 11. The electronic device of claim 2, wherein the third filter comprises: a second capacitor having a first terminal coupled to the second input terminal of the low noise amplifier, and having a second terminal coupled to ground; a first inductor having a first terminal coupled to the second input terminal of the low noise amplifier; a third capacitor having a first terminal coupled to a second terminal of the first inductor, and having a second terminal coupled to ground; a second inductor having a first terminal coupled to the second terminal of the first inductor; a fourth capacitor having a first terminal coupled to the second terminal of the second inductor, and having a second terminal coupled to ground; and a third inductor having a first terminal coupled to the second terminal of the second inductor, and having a second terminal coupled to the output terminal of the second filter. 12. The electronic device of claim 2, wherein the first filter is a high-pass filter. 13. The electronic device of claim 2, wherein the first filter comprises: a second capacitor having a first terminal coupled to the output terminal of the low noise amplifier; a first inductor having a first terminal coupled to the second terminal of the second capacitor, and having a second terminal coupled to ground; and a third capacitor having a first terminal coupled to the second terminal of the second capacitor, and having a second terminal coupled to the output terminal of the second filter. 14. An antenna module for integrating signals of a global positioning system antenna and a digital mobile television antenna comprising: a first antenna for receiving a first global positioning system signal; a low noise amplifier having a first input terminal coupled to the first antenna; a second antenna for receiving a first digital mobile television signal; and a first filter module coupled to both the low noise amplifier and the second antenna, for filtering both the first global positioning system signal and the first digital mobile television signal to generate a second global positioning system signal and a second digital mobile television signal, wherein a mix signal is generated by mixing the second global positioning system signal with the second digital mobile television signal. 15. The antenna module of claim 14, wherein the first filter module comprises: a first filter having an input terminal coupled to the output terminal of the low noise amplifier, for filtering the first global positioning system signal to generate the second global positioning system signal; a second filter having an input terminal coupled to the second antenna, and having an output terminal coupled to the output terminal of the first filter, for filtering the first digital mobile television signal to generate the second digital mobile television signal; and a third filter having an input terminal coupled to the output terminal of the second filter, and having an output terminal coupled to the second input terminal of the low noise amplifier. 16. The antenna module of claim 15, wherein the first filter is a high-pass filter. 17. The antenna module of claim 15, wherein the first filter comprises: a second capacitor having a first terminal coupled to the output terminal of the low noise amplifier; a first inductor having a first terminal coupled to the second terminal of the second capacitor, and having a second terminal coupled to ground; and a third capacitor having a first terminal coupled to the second terminal of the second capacitor, and having a second terminal coupled to the output terminal of the second filter. 18. The antenna module of claim 15, wherein the second filter comprises: a first inductor having a first terminal coupled to the second antenna; a second capacitor having a first terminal coupled to the second terminal of the first inductor; a second inductor having a first terminal coupled to the second terminal of the second capacitor, and having a second terminal coupled to ground; a third capacitor having a first terminal coupled to the second terminal of the second capacitor, and having a second terminal coupled to ground, wherein the third capacitor and the second inductor are coupled to each other in a parallel connection; a third inductor having a first terminal coupled to the second terminal of the second capacitor; and a fourth capacitor having a first terminal coupled to the second terminal of the third inductor. 19. The antenna module of claim 15, wherein the third filter comprises: a second capacitor having a first terminal coupled to the second input terminal of the low noise amplifier, and having a second terminal coupled to ground; a first inductor having a first terminal coupled to the second input terminal of the low noise amplifier; a third capacitor having a first terminal coupled to the second terminal of the first inductor and a second terminal coupled to ground; a second inductor having a first terminal coupled to the second terminal of the first inductor; a fourth capacitor having a first terminal coupled to the second terminal of the second inductor, and having a second terminal coupled to ground; and a third inductor having a first terminal coupled to the second terminal of the second inductor.
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