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This new system accepts various national power plugs and most laptop chargers will function properly at 120 V 60 Hz AC even if sold in 230 V 50 Hz AC markets. Apple offered an EmPower MagSafe power adapter for their MacBook , MacBook Pro , and MacBook Air lines of notebooks, and also included a cigarette lighter socket adapter.
Harman Kardon has made desktop computer speakers. Harman Kardon has also made laptop speakers, which have been used in certain models of Toshiba, Acer notebooks, Asus laptops, Apple iMacs and Huawei's M5 tablets. A pair of Harman Kardon transparent spherical speakers, along with the Apple G4 Mac Cube for which they were designed and produced ...
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 and current, for how long and what to do when charging is complete—depends on the size and type of the battery being charged.
IEC Technical Specification 62700: DC Power supply for notebook computer is an IEC specification of a common standard for external laptop computer AC adapters.Laptops and AC adapters following this standard will have interchangeable power supplies, which will enable easy reuse of used power supplies (thereby reducing electronic waste) and make buying a new compatible power supply for a laptop ...
Sidney Harman and Bernard Kardon founded the predecessor to Harman International, Harman Kardon, in 1953. Both Harman and Kardon were engineers by training and had worked at the Bogen Company, which was a manufacturer of public address systems. They developed high-fidelity audio products together.
MagSafe is a series of proprietary magnetically attached power connectors developed by Apple Inc. for Mac laptops. MagSafe was introduced on 10 January 2006, in conjunction with the MacBook Pro, the first Intel-based Mac laptop, at the Macworld Expo.