The battery powered laser pointer is awesome!
Laser pointer is also known as PPT turning pointer, electronic pointer, wireless laser pointer and so on. In addition to the mapping function of the traditional laser pointer, it can be used wirelessly by simply pressing the up and down buttons on the page on the laser pointer. Direct remote control computer or multimedia projection equipment, realize slide free page turning and free display, very convenient. It is a common input device in intelligent devices. In multimedia teaching or training lectures, key points are circled on the PPT screen and pages are turned up and down through remote control laser pointer operation. The speaker walks freely within the effective distance, shortening the distance between the speaker and the audience, and creating a good interactive learning atmosphere. The power supply scheme for integrated remote control laser pointer products in the existing market is generally replaceable AAA battery or button battery. Frequent battery changes not only increase the cost of users, but also cause a waste of resources. It is also for those with weak environmental awareness. The random discarding and unclassified recycling of waste batteries also directly affect environmental protection and bring great harm.
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Battery driven laser pointer and opointering method thereof. The laser pointer comprises a housing, a laser light emitting device, a mobile power supply placed in the housing, a second switch, a charging interface and a discharge interface located on the housing. The mobile power supply comprises a battery, a charging control unit, a discharge control unit, a main control unit, a first switch; The battery is used to supply power to the laser luminescence device and the unit; The charging control unit is used to detect and control the charging state of the battery. Discharge control unit, used to detect and control the discharge state of the battery; The first switch is used to control whether the battery opointers the laser light emitting device and supply power to the laser light emitting device; The main control unit is used to control the charging control unit and the discharge control unit, and is also used to control the on-off of the first switch according to the command of the second switch and the charging state and discharge state detected by the battery. The laser pointer provided by the invention does not need to replace the battery, has long service life, and is safe and reliable in use.
2021-09-17 12:45:35
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