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Microdrive
The Microdrive is a registered trademark for miniature, 1-inch hard disks produced by IBM and Hitachi. These rotational media storage devices were designed to fit in CompactFlash (CF) Type II slots. The release of similar drives by other makers led to them often being referred to as "microdrives" too. By 2010, Microdrives were viewed as obsolete, having been overtaken by solid-state flash media in read/write performance, storage capacity, durability, and price. History Prior to the 1-inch Microdrive, a 1.3-inch HDD nicknamed the " Kittyhawk" was developed and launched in June 1992 by Hewlett Packard with a capacity of 20, then later 40 MB. These units weighed about 28 g (1 oz), with dimensions of 2.0" × 1.44" × 0.414" (50.8mm × 36.5mm × 10.5mm) and were the physically smallest hard drives in the world before the Microdrive. The Kittyhawk was a failure however, and didn't last long in the market. Development The idea of the Microdrive was created by IBM researcheTimo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CompactFlash
CompactFlash (CF) is a flash memory mass storage device used mainly in portable electronic devices. The format was specified and the devices were first manufactured by SanDisk in 1994. CompactFlash became one of the most successful of the early memory card formats, surpassing Miniature Card and SmartMedia. Subsequent formats, such as MMC/ SD, various Memory Stick formats, and xD-Picture Card offered stiff competition. Most of these cards are smaller than CompactFlash while offering comparable capacity and speed. Proprietary memory card formats for use in professional audio and video, such as P2 and SxS, are faster, but physically larger and more costly. CompactFlash's popularity is declining as CFexpress is taking over. As of 2022, both Canon and Nikon newest high end cameras, e.g. the Canon EOS R5, Canon EOS R3, and Nikon Z 9 use CFexpress cards for the higher performance required to record 8K video. Traditional CompactFlash cards use the Parallel ATA interface, but ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HP Kittyhawk Microdrive
The Hewlett-Packard HP3013/3014, nicknamed Kittyhawk, was a hard disk drive introduced by Hewlett-Packard on June 9, 1992. At the time of its introduction, it was the smallest hard disk drive in the world, being only 1.3-inches in size. The drive was created by a collaboration between Hewlett-Packard, AT&T, and Citizen Watch. History It was the first ever commercially produced hard drive in a 1.3 inch form factor. The original implementation (model 3013) had the capacity of 20 MB. A 40 MB model called Kittyhawk II (model 3014) was eventually introduced, with the retail price of $499. Both models have IDE interfaces. It appears that some variations of the hard drive were produced with PC card interface as well. The drive measured 2.0" x 1.44" x 0.414" (50.8 mm x 36.5 mm x 10.5 mm), and weighed about 1 ounce (28 g). It was manufactured by Citizen Corporation, at the time a leader in small device manufacturing. The drive featured a number of unique technologies, incl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hard Disk Drive
A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnetic material. The platters are paired with magnetic heads, usually arranged on a moving actuator arm, which read and write data to the platter surfaces. Data is accessed in a random-access manner, meaning that individual blocks of data can be stored and retrieved in any order. HDDs are a type of non-volatile storage, retaining stored data when powered off. Modern HDDs are typically in the form of a small rectangular box. Introduced by IBM in 1956, HDDs were the dominant secondary storage device for general-purpose computers beginning in the early 1960s. HDDs maintained this position into the modern era of servers and personal computers, though personal computing devices produced in large volume, like cell phones and tablets, rel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hard Disk
A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnetic material. The platters are paired with magnetic heads, usually arranged on a moving actuator arm, which read and write data to the platter surfaces. Data is accessed in a random-access manner, meaning that individual blocks of data can be stored and retrieved in any order. HDDs are a type of non-volatile storage, retaining stored data when powered off. Modern HDDs are typically in the form of a small rectangular box. Introduced by IBM in 1956, HDDs were the dominant secondary storage device for general-purpose computers beginning in the early 1960s. HDDs maintained this position into the modern era of servers and personal computers, though personal computing devices produced in large volume, like cell phones and tablets, rely ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microelectromechanical Systems
Microelectromechanical systems (MEMS), also written as micro-electro-mechanical systems (or microelectronic and microelectromechanical systems) and the related micromechatronics and microsystems constitute the technology of microscopic devices, particularly those with moving parts. They merge at the nanoscale into nanoelectromechanical systems (NEMS) and nanotechnology. MEMS are also referred to as micromachines in Japan and microsystem technology (MST) in Europe. MEMS are made up of components between 1 and 100 micrometers in size (i.e., 0.001 to 0.1 mm), and MEMS devices generally range in size from 20 micrometres to a millimetre (i.e., 0.02 to 1.0 mm), although components arranged in arrays (e.g., digital micromirror devices) can be more than 1000 mm2. They usually consist of a central unit that processes data (an integrated circuit chip such as microprocessor) and several components that interact with the surroundings (such as microsensors). Because of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IBM Fujisawa
IBM Fujisawa—located in Fujisawa, Kanagawa, Japan—was a manufacturing and development site of IBM Japan, Ltd., a subsidiary of IBM Corporation. Fujisawa manufacturing IBM Fujisawa was established in 1967. As a manufacturing plant, it produced the following products: *Tabulating machine *IBM 1440 computer *IBM System/360 Model 40 computer * 2701 and other communications controllers In 1971, manufacturing of System/360, System/370 and IBM 4300 mainframes moved to the newly opened IBM Yasu in Yasu, Shiga,。 * IBM Personal System/55 * IBM ThinkPad * Harddisk In December, 2002, as Hitachi Ltd. bought IBM's hard disk division, IBM Fujisawa became the headquarters and the main plant of Hitachi Global Storage Technology. Fujisawa development In 1972, the Fujisawa development lab was established in a new building inside the Fujisawa site. It developed the following hardware and software products: ;For worldwide *IBM 3767 - Printer terminal under Systems Network Architecture (19 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hideya Ino
Hideya (written: 秀弥, 秀哉 or 英也) is a masculine Japanese given name. Notable people with the name include: * Hideya Kawahara, computer programmer and developer of Project Looking Glass * Hideya Matsumoto, Japanese mathematician *, Japanese footballer *Hideya Suzuki , commonly referred to by their contracted nickname , are a Japanese pop rock band formed in 1989. Consisting of Kazutoshi Sakurai, Kenichi Tahara, Keisuke Nakagawa, and Hideya Suzuki, they made their major label debut in 1992. They are one of ..., Japanese musician and member of Mr. Children *, Japanese footballer *, Japanese actor and model See also * Hideya Station, a railway station in Aga, Higashikanbara District, Niigata Prefecture, Japan {{given name Japanese masculine given names ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitsuhiko Aoyagi
Mitsuhiko (written: 光彦 or 三彦) is a masculine Japanese given name. Notable people with the name include: *, Japanese photographer *, Japanese basketball coach *, Japanese golfer *, Japanese sumo wrestler {{given name Japanese masculine given names ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Dollar
The United States dollar ( symbol: $; code: USD; also abbreviated US$ or U.S. Dollar, to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries. The Coinage Act of 1792 introduced the U.S. dollar at par with the Spanish silver dollar, divided it into 100 cents, and authorized the minting of coins denominated in dollars and cents. U.S. banknotes are issued in the form of Federal Reserve Notes, popularly called greenbacks due to their predominantly green color. The monetary policy of the United States is conducted by the Federal Reserve System, which acts as the nation's central bank. The U.S. dollar was originally defined under a bimetallic standard of (0.7735 troy ounces) fine silver or, from 1837, fine gold, or $20.67 per troy ounce. The Gold Standard Act of 1900 linked the dollar solely to gold. From 1934, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Micromechanics
Micromechanics (or, more precisely, micromechanics of materials) is the analysis of composite or heterogeneous materials on the level of the individual constituents that constitute these materials. Aims of micromechanics of materials Heterogeneous materials, such as composites, solid foams, polycrystals, or bone, consist of clearly distinguishable constituents (or ''phases'') that show different mechanical and physical material properties. While the constituents can often be modeled as having isotropic behaviour, the microstructure characteristics (shape, orientation, varying volume fraction, ..) of heterogeneous materials often leads to an anisotropic behaviour. Anisotropic material models are available for linear elasticity. In the nonlinear regime, the modeling is often restricted to orthotropic material models which does not capture the physics for all heterogeneous materials. Micromechanics goal is to predict the anisotropic response of the heterogeneous material on the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microtech International
Microtechnology deals with technology whose features have dimensions of the order of one micrometre (one millionth of a metre, or 10−6 metre, or 1μm). It focuses on physical and chemical processes as well as the production or manipulation of structures with one-micrometre magnitude. Development Around 1970, scientists learned that by arraying large numbers of microscopic transistors on a single chip, microelectronic circuits could be built that dramatically improved performance, functionality, and reliability, all while reducing cost and increasing volume. This development led to the Information Revolution. More recently, scientists have learned that not only electrical devices, but also mechanical devices, may be miniaturized and batch-fabricated, promising the same benefits to the mechanical world as integrated circuit technology has given to the electrical world. While electronics now provide the ‘brains’ for today's advanced systems and products, micro-mechanical devic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Digital Photography Review
''Digital Photography Review'', also known as ''DPReview,'' is a website about digital cameras and digital photography, established in November 1998. The website provides comprehensive reviews of digital cameras, lenses and accessories, buying guides, user reviews, and forums for individual cameras, as well as general photography forums. The website also has a database with information about individual digital cameras, lenses, printers and imaging applications. Originally based in London, ''Digital Photography Review'' and most of its team relocated to Seattle, Washington, in 2010. It is currently owned by Amazon. Main features ''DPReview'' has regularly published thorough, technically orientated camera reviews since the website launched in 1998. The content and scope of the reviews have changed over time, but the basic formula (extensive descriptions of controls and menus, consistent, repeatable studio tests, side-by-side pixel-level comparisons) has remained unchanged sin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
