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Managing energy usage in mobile devices

專利號(hào)
US10097681B2
公開日期
2018-10-09
申請(qǐng)人
Hand Held Products, Inc.（US SC Fort Mill）
發(fā)明人
Mark Howe; Robert Arlan Kohtz; Rickey George Austin
IPC分類
H04M1/725; H05B1/02; H04W4/04; H04W52/02; G06F1/32
技術(shù)領(lǐng)域
u.s,mobile,no,frost,device,patent,pat,fog,battery,or
地域： SC SC Fort Mill

摘要

A method for managing energy usage by a mobile device is described. An environmental characteristic is monitored over environments in which the mobile device is operable. A location of the mobile device is tracked in relation to the environments. The mobile device is informed with data relating to the environmental characteristic of the environment in which the mobile device location is tracked. A characteristic of the mobile device is sensed. The data, related to the environmental characteristic of the tracked location, is compared to the sensed mobile device characteristic. An action is determined related to the energy-using operation of the mobile device based on the comparison. The energy-using operation of the mobile device is controlled, based on the determined action.

說(shuō)明書

Hence, in the present embodiment the sensor 119 detects the actual presence of fog or frost on a surface such as the display window 102 and this detection is used to control the heater 144 as depicted in the example flow chart of FIG. 10 starting at 240. While optical and ultrasound techniques are described above, other sensing operations might also be used to sense the presence of fog or frost (e.g., conductivity, reflectivity, etc.) At 242 the sensor is read to obtain data that is analyzed at 244 to determine if a fog or frost condition exists. If so, the heater 144 is activated at 246 until the fog/frost condition is gone at 244. Once the sensor data indicates that there is no longer a fog or frost condition at 244, the heater can be deactivated at 250.

In this example, if a fog or frost condition is established at 244, the heater 144 can be activated at 246. As will be discussed later, the activation of the heater may be further subject to other conditions such as the state of charge of the battery and temperature thereof.

Furthermore, it is noted that in all embodiments it is desirable to incorporate a level of hysteresis into the process of turning the heater on and off to assure that the system does not become unstable.

權(quán)利要求

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