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  2. 32 Best Gadgets That Will Upgrade Your Desk Space - AOL

    www.aol.com/32-best-gadgets-upgrade-desk...

    The featherweight design is ridiculously comfy, and the 24-hour battery life (with the included charging case) is built to survive the longest work days and long-haul flights. Shop Now WF-1000XM5 ...

  3. Telechron - Wikipedia

    en.wikipedia.org/wiki/Telechron

    The electric clock market grew rapidly in the 1930s, and Telechron's patented power interruption indicator gave his clocks an advantage over competing synchronous clocks, but by the 1950s battery-operated clocks that weren't dependent on the power grid took market share, and in the 1960s the quartz clock replaced synchronous clocks.

  4. Emerson Radio - Wikipedia

    en.wikipedia.org/wiki/Emerson_Radio

    Emerson Radio pioneered the Smartset clock radio which automatically sets itself with the correct time and date using a battery back-up oscillator time base to accurately set the clock's time when the alarm clock is powered-on and after a power outage. [24]

  5. Hanimex - Wikipedia

    en.wikipedia.org/wiki/Hanimex

    In August 1971 the company introduced the HC-1000. This was a portable battery operated cassette recorder featuring microphone compartment, carry handle and auxiliary input as well as mains adaptor. The machine was promoted throughout the UK during 1972 as a reduced price offer at petrol stations with 6 vouchers required to secure the offer.

  6. Sharp EL-8 - Wikipedia

    en.wikipedia.org/wiki/Sharp_EL-8

    The battery charger (model EL-81) supplies power to the calculator's charging input at voltages of 8.7 and 9.6 volts; [9] the combined input power rating is about 3.2 watts. [10] Sharp NR-AA Rechargeable Battery. The EL-8's battery pack is much smaller than that of the QT-8B, and this was critical in reducing the EL-8's size and weight.

  7. History of watches - Wikipedia

    en.wikipedia.org/wiki/History_of_watches

    In this type, the watch's quartz oscillator is set to the correct time daily by coded radio time signals broadcast by government-operated time stations such as JJY, MSF, RBU, DCF77, and WWVB, [49] [50] received by a radio receiver in the watch. This allows the watch to have the same long-term accuracy as the atomic clocks which control the time ...

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