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L – 450 mA AC/DC series heater; was shifted here from Y; M – 1.9 V, directly heated; N – 12.6 V, indirectly heated; O – Cold cathode; by 1955 this also included semiconductors as these had no heater; Philips sold a family of 150mA series heater tubes under this letter in South America [7] P – 300 mA AC/DC series heater; Q – 2.4 V ...
Philco Socket Power A & B Battery Eliminators - 1925 August brochure Philco Model B-60 "B" Socket Power Battery Eliminator - August 1925 Until the mid- to late-1920s, all radios except crystal sets were powered by vacuum tube batteries which were expensive, needed frequent charging, and leaked battery acid , reducing the wife approval factor in ...
A zinc-carbon lantern battery, consisting of 4 round "size 25" cells in series. Terminated with spring terminals. 4LR25-2: 4: L: R: 25: 2: An alkaline lantern battery, consisting of 2 parallel strings of 4 round "size 25" cells in series 6F22: 6: F: 22: A zinc-carbon rectangular battery, consisting of 6 flat "size 22" cells. Equivalent to a PP3 ...
A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are characterized by higher specific energy, higher energy density, higher energy efficiency, a longer cycle life, and a longer calendar life.
The initial Velo 1 was a PDA device released by Philips in 1997. The device was typical of the HPCs at the time, being powered by two AA batteries or a rechargeable NiMH battery pack. It had a back-lit, greyscale, 5.1-inch resistive touchscreen with a resolution of 480×240 pixels. Employing two bits per pixel allowed for the display of four ...
Philips P2000C Philips P2000T. P 20 series (Z80 CPU) Philips P 2000 C; Philips P 2000 M; Philips P 2000 T; Philips P 2010; Philips P 2012; Philips P 2015; P 21 series (8088 CPU) Philips P 2120 (desktop) (1990s green design) P 22 series (286 CPU) Philips P 2230 (desktop) (1990s green design) P 31 series (8088 CPU) Philips P 3103. Philips P 3100 ...
Philips Norelco is the American brand name for electric shavers and other personal care products made by the Consumer Lifestyle division of Philips. [ 1 ] [ 2 ] For personal care products marketed outside the United States, Palau, Micronesia, and the Marshall Islands, Philips used the Philishave trademark until 2006.
After Philips Consumer Electronics acquired companies as Magnavox and Sylvania in the late-1970s, Philips managed to sell their 100-millionth TV-set in 1984. Throughout the 1990s, increasing competition from East Asian manufacturers (initially Japanese, then Korean and Chinese) led to a general erosion in market share, particularly in ...