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The Acorn Electron (nicknamed the Elk inside Acorn [1] and beyond [2]) was introduced as a lower-cost alternative to the BBC Micro educational/home computer, also developed by Acorn Computers, to provide many of the features of that more expensive machine at a price more competitive with that of the ZX Spectrum. [3]
Hitachi, Ltd. [nb 1] (Japanese pronunciation: [çi̥taꜜtɕi]) is a Japanese multinational conglomerate founded in 1910 and headquartered in Chiyoda, Tokyo.The company is active in various industries, including digital systems, power and renewable energy, railway systems, healthcare products, and financial systems. [4]
Union Switch & Signal (commonly referred to as US&S) was an American company based in Pittsburgh, Pennsylvania, which focused on railway signaling equipment, systems and services. The company was acquired by Ansaldo STS (from 2015, Hitachi Rail STS ) in 1988, [ 1 ] operating as a wholly-owned company until January 2009, when US&S was renamed ...
In July 2020, ABB divested its power grid business and sold 80.1% of that to Hitachi Ltd., leading to the formation of Hitachi ABB Power Grids. [1] In October 2021, Hitachi ABB Power Grids changed its company name to Hitachi Energy. In December 2022, it was confirmed that Hitachi acquired the remaining 19.9 percent shares from ABB Ltd. [2]
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The General Electric Switchgear Plant is a historic factory building located at 421 North 7th Street at Willow Street in the Callowhill neighborhood of Philadelphia, Pennsylvania. It was built in 1916, and is a seven-story, seven bay by nine bay, reinforced concrete building with brick facing.
Hitachi HD64180 DIP64. The HD64180 is a Z80-based embedded microprocessor developed by Hitachi with an integrated memory management unit (MMU) and on-chip peripherals. [1] It appeared in 1985. [2] The Hitachi HD64180 "Super Z80" was later licensed to Zilog and sold by them as the Z64180 and with some enhancements as the Zilog Z180.
AT&T Long Distance was the primary customer for the switch. Driving development from the customer's perspective was AT&T VP Billy Oliver. [4] Previous tandem switching systems, primarily the No. 4 Crossbar switch, used analog voice signaling. The decision to switch in a digital voice format was controversial at the time, both from a technical ...