Device and method for realizing alarm clock function

An alarm clock and functional technology, applied in the electronic field, can solve the problem of adding additional hardware clock chips, etc., and achieve the effects of low power consumption, low power consumption, and low cost

Active Publication Date: 2007-06-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The problem to be solved by the present invention is to provide a device and method for realizing the function of the alarm clock, so as to o

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  • Device and method for realizing alarm clock function
  • Device and method for realizing alarm clock function

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[0032] The specific implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments:

[0033] A system of the present invention for realizing the alarm clock function is shown in FIG. 2, the system includes a power supply 21, a memory 22, a clock oscillator 23, a control unit 24 and a reminder signal generating device 25. Wherein, the control unit 24 may be a general-purpose CPU, which executes software programs to complete software functions. The control unit 24 further includes one or more timer interrupters 26. The timer interrupter 26 is a hardware circuit. The control unit 24 sets the timer time to the timer interrupter 26, and then the timer interrupter 26 starts timing. After the fixed time, the timing interrupter 26 initiates an interrupt to the control unit 24, and the control unit 24 processes the interrupt. However, the maximum timing time of a general-purpose CPU timer interrupter is relati...

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Abstract

A method for realizing alarm clock function includes setting a timing time of timing interruption unit by control unit according to alarm clock time, starting up timing by timing interruption unit and triggering up alarm clock when system time is on preset alarm clock time. The device used for realizing said method is also disclosed.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a device and method for realizing the function of an alarm clock. Background technique [0002] At present, electronic products such as mobile phones and handheld devices all have a demand for an alarm clock function. When the electronic product is turned off, the main functions of the electronic product are closed without display. For example, after the mobile phone is turned off, the mobile phone is in a state of no display and unable to make and receive calls. When the electronic product is turned off, to realize the alarm clock function, a hardware clock chip is generally used now. In an actual system, the main control device writes the set value of the preset alarm clock time to the corresponding register of the hardware clock chip. After the electronic product is shut down, the hardware clock chip continues to work. When the system time and the preset alarm clock time...

Claims

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Application Information

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IPC IPC(8): G04G15/00G04G13/02G06F9/00G06F9/06G06F9/44
Inventor 薛林
Owner HUAWEI TECH CO LTD
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