Method and apparatus for handling a charging state in a mobile electronic device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-007/00
H02J-007/16
출원번호
US-0645152
(2012-10-04)
등록번호
US-8610407
(2013-12-17)
우선권정보
GB-0312079.7 (2003-05-27)
발명자
/ 주소
Veselic, Dusan
Skarine, Alexei
출원인 / 주소
BlackBerry Limited
대리인 / 주소
Conley Rose, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
49
초록▼
Disclosed is a mobile device comprising a voltage supervisor and reset (VSAR) module configured to detect an input voltage, start a timer set to a predetermined time period responsive to detecting the input voltage, and output a low signal responsive to detecting the input voltage. The mobile device
Disclosed is a mobile device comprising a voltage supervisor and reset (VSAR) module configured to detect an input voltage, start a timer set to a predetermined time period responsive to detecting the input voltage, and output a low signal responsive to detecting the input voltage. The mobile device also comprises a battery charger module configured to receive the input voltage, receive the low signal, output a power signal, and charge a battery. The mobile device also comprises a processing module configured to receive the power signal, and attempt enumeration responsive to receiving the power signal, wherein the VSAR module is further configured to output a high signal to the battery charger module when the timer expires and enumeration has not been completed.
대표청구항▼
1. A mobile device comprising: a voltage supervisor and reset (VSAR) module configured to detect an input voltage, start a timer set to a predetermined time period responsive to detecting the input voltage, and output a low signal responsive to detecting the input voltage;a battery charger module co
1. A mobile device comprising: a voltage supervisor and reset (VSAR) module configured to detect an input voltage, start a timer set to a predetermined time period responsive to detecting the input voltage, and output a low signal responsive to detecting the input voltage;a battery charger module configured to receive the input voltage, receive the low signal, output a power signal, and charge a battery;a processing module configured to receive the power signal, and attempt enumeration responsive to receiving the power signal,the VSAR module further configured to output a high signal to the battery charger module when the timer expires and enumeration has not been completed. 2. The mobile device of claim 1, wherein the battery charging module is further configured to receive the high signal and cease charging the battery responsive to receiving the high signal. 3. The mobile device of claim 1, wherein the predetermined time period is 100 ms. 4. The mobile device of claim 1, wherein the input voltage is received from a USB host. 5. The mobile device of claim 4 wherein the enumeration is between the mobile device and the USB host. 6. The mobile device of claim 1, wherein the VSAR module is further configured to delay outputting the high signal for a predetermined delay time. 7. The mobile device of claim 6, wherein the predetermined delay time is 150 ms. 8. A method for charging comprising: detecting an input voltage by a voltage supervisor and reset (VSAR) modulestarting, by the VSAR module, a timer set to a predetermined time period responsive to detecting the input voltageoutputting, by the VSAR module, a low signal responsive to detecting the input voltage;receiving the input voltage at a battery charger module;receiving, by the battery charger module, the low signal;outputting, by the battery charger module, a power signalcharging, battery charger module, a battery;receiving the power signal at a processing module; andattempting, by the processing module, enumeration responsive to receiving the power signal,outputting, by the VSAR module, a high signal to the battery charger module when the timer expires and enumeration has not been completed. 9. The method of claim 8, further comprising receiving, by the battery charging module, the high signal and ceasing charging the battery responsive to receiving the high signal. 10. The method of claim 8, wherein the predetermined time period is 100 ms. 11. The method of claim 8, wherein the input voltage is received from a USB host. 12. The method of claim 11 wherein the enumeration is between the mobile device and the USB host. 13. The method of claim 8, further comprising delaying, by the VSAR module, outputting the high signal for a predetermined delay time. 14. The method of claim 13, wherein the predetermined delay time is 150 ms.
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