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  2. Mode 3 (telephone) - Wikipedia

    en.wikipedia.org/wiki/Mode_3_(telephone)

    In telephony, mode 3 is a method of line sharing in which the line passes through a device (the mode 3 device) to connect to other devices. [1] This enables the mode 3 device to control the line, and gain priority in need. It is a common alternative to parallel connection. For example, a dial-up computer modem is generally provided with two ...

  3. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    A mobile phone plugged in to an AC adapter for charging. A battery charger, recharger, or simply charger, [ 1][ 2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage, current, for how long and what to do when charging is complete—depends on the size and type of the ...

  4. Radar beacon - Wikipedia

    en.wikipedia.org/wiki/Radar_beacon

    Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...

  5. AOL Mail

    mail.aol.com

    AOL Mail is free and helps keep you safe. From security to personalization, AOL Mail helps manage your digital life Start for free

  6. Switched-mode power supply - Wikipedia

    en.wikipedia.org/wiki/Switched-mode_power_supply

    A switched-mode power supply ( SMPS ), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a DC or AC source (often mains ...

  7. Social Security: Readers weigh in with questions - AOL

    www.aol.com/finance/social-security-readers...

    Here’s how the Social Security Administration runs the math: If you are receiving a Social Security benefit and are under full retirement age for the entire year, $1 is deducted from your ...

  8. Doctors Answer Your Most Pressing Menopause Questions ... - AOL

    www.aol.com/doctors-answer-most-pressing...

    The most widely used and most effective treatment for many perimenopause and menopause symptoms, including hot flashes and vaginal dryness, is hormone therapy (HT), says Nanette Santoro, M.D ...

  9. Inductive charging - Wikipedia

    en.wikipedia.org/wiki/Inductive_charging

    Inductive charging. The primary coil in the charger induces a current in the secondary coil in the device being charged. Inductive charging (also known as wireless charging or cordless charging) is a type of wireless power transfer. It uses electromagnetic induction to provide electricity to portable devices. Inductive charging is also used in ...