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Title:
POWER SAVING METHOD FOR SMART VEHICLE KEY, AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/036227
Kind Code:
A1
Abstract:
A power saving method for a smart vehicle key and a system. The method comprises the following steps: step 101, an SoC being in a power-off state; step 102, a Bluetooth chip performing detection on an active status pin of the SoC to decide if the SoC is powered-on, if so, proceeding to step 103, and if not, proceeding to step 201; step 103, turning on a power supply of a modem; step 104, the Bluetooth chip performing detection on the active status pin of the SoC to see if the SoC is powered-off, if so, proceeding to step 105, and if not, proceeding to step 103; step 105, the Bluetooth chip performing detection on an active status pin of the modem to see if the modem is in an active state, if not, proceeding to step 106, and if so, continuing detection; step 106, turning off the modem; step 201, calculating a power-on frequency, and adjusting, according to whether a current time is in an early morning time period, a wakeup time interval of the modem; and step 202, if the current time is a wakeup time of the modem, proceeding to step 103, if not then proceeding to step 201. The system comprises a modem, an SoC, and a Bluetooth chip used to detect whether the SoC and the modem is powered-off and/or in an active state.

Inventors:
WU SONGKUN (CN)
Application Number:
PCT/CN2020/078774
Publication Date:
March 04, 2021
Filing Date:
March 11, 2020
Export Citation:
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Assignee:
SHENZHEN OSMARTLINK TECH CO LTD (CN)
International Classes:
G07C9/00; H04W52/02
Foreign References:
CN110443929A2019-11-12
CN208400302U2019-01-18
CN102545574A2012-07-04
CN104778767A2015-07-15
CN108089689A2018-05-29
CN209625154U2019-11-12
CN207337489U2018-05-08
US20190129836A12019-05-02
KR20070093161A2007-09-18
Attorney, Agent or Firm:
SHENZHEN KAIBO ENTERPRISE SERVICE PATENT AGENCY (SPECIAL GENERAL PARTNERSHIP) (CN)
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