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[11] [12] [13] Battery-operated electric razors have been available using rechargeable batteries sealed inside the razor's case, previously nickel cadmium or, more recently, nickel metal hydride. Some modern shavers use Lithium-ion batteries (which do not suffer from memory effect). Sealed battery shavers either have built-in or external ...
In 2003, the Kiam family and Vestar sold Remington to the battery company Rayovac. Rayovac changed its name to Spectrum Brands and markets Remington brand men's and women's electric shavers, [1] hair clippers, beard and moustache trimmers, nose and ear hair trimmers, [2] foot massagers, make-up mirrors, heated hair rollers, blow dryers, and ...
2012: Oral-B Trizone 1000 electric toothbrush with brush head shape and brushing technique similar to a manual brush. 2014: the first toothbrush with Bluetooth 4.0 Oral-B SmartSeries technology. 2017: New version of the battery, holds a charge 2 times longer and charges 2 times faster. 2019: Genius X toothbrush with artificial intelligence.
The chip's high-level design had to be turned into drawings of transistors and interconnects. At MOS Technology, the layout was a very manual process done with colored pencils and vellum paper. The layout consisted of thousands of polygon shapes on six different drawings; one for each layer of the fabrication process.