preferred number wikipedia - EAS

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  1. Preferred number In industrial design, preferred numbers (also called preferred values or preferred series) are standard guidelines for choosing exact product dimensions within a given set of constraints. Product developers must choose numerous lengths, distances, diameters, volumes, and other characteristic quantities.
    en.wikipedia.org/wiki/Preferred_number
    en.wikipedia.org/wiki/Preferred_number
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    What is a preferred number in industrial design?
    Preferred number. In industrial design, preferred numbers (also called preferred values or preferred series) are standard guidelines for choosing exact product dimensions within a given set of constraints. Product developers must choose numerous lengths, distances, diameters, volumes, and other characteristic quantities.
    en.wikipedia.org/wiki/Preferred_number
    What are preferred numbers?
    Preferred numbers represent preferences of simple numbers (such as 1, 2, and 5) multiplied by the powers of a convenient basis, usually 10. [1] In 1870 Charles Renard proposed a set of preferred numbers. [2] His system was adopted in 1952 as international standard ISO 3. [3]
    en.wikipedia.org/wiki/Preferred_number
    What is Charles Renard's preferred number system?
    In 1870 Charles Renard proposed a set of preferred numbers. [2] His system was adopted in 1952 as international standard ISO 3. [3] Renard's system divides the interval from 1 to 10 into 5, 10, 20, or 40 steps, leading to the R5, R10, R20 and R40 scales, respectively.
    en.wikipedia.org/wiki/Preferred_number
    What is the E series of preferred numbers?
    The E series of preferred numbers was chosen such that when a component is manufactured it will end up in a range of roughly equally spaced values ( geometric progression) on a logarithmic scale.
    en.wikipedia.org/wiki/E_series_of_preferred_numbers
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    https://en.wikipedia.org/wiki/Preferred_number

    In industrial design, preferred numbers (also called preferred values or preferred series) are standard guidelines for choosing exact product dimensions within a given set of constraints. Product developers must choose numerous lengths, distances, diameters, volumes, and other characteristic … 查看更多內容

    In 1870 Charles Renard proposed a set of preferred numbers. His system was adopted in 1952 as international standard ISO 3. Renard's system divides the interval from 1 to 10 into 5, 10, 20, or 40 steps, leading to … 查看更多內容

    In the 1970s the National Bureau of Standards (NBS) defined a set of convenient numbers to ease metrication in the United States. This system of metric values was described as 1–2–5 series in reverse, with assigned preferences for those numbers … 查看更多內容

    When dimensioning computer components, the powers of two are frequently used as preferred numbers:
    Where a finer … 查看更多內容

    The E series is another system of preferred numbers. It consists of the E1, E3, E6, E12, E24, E48, E96 and E192 series. Based on some … 查看更多內容

    In applications for which the R5 series provides a too fine graduation, the 1–2–5 series is sometimes used as a cruder alternative. It is … 查看更多內容

    ISO 266, Acoustics—Preferred frequencies, defines two different series of audio frequencies for use in acoustical measurements. Both series are referred to the standard … 查看更多內容

    Standard metric paper sizes use the square root of two (√2) as factors between neighbouring dimensions rounded to the nearest mm (Lichtenberg series, ISO 216). An A4 sheet for example has an aspect ratio very close to √2 and an area very close to 1/16 … 查看更多內容

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  4. https://en.wikipedia.org/wiki/E_series_of_preferred_numbers

    The E series is a system of preferred numbers (also called preferred values) derived for use in electronic components. It consists of the E3, E6, E12, E24, E48, E96 and E192 series, where the number after the 'E' designates the quantity of logarithmic value "steps" per decade. Although it is theoretically possible to produce components of any value, in practice the need for inventor…

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    • Talk:Preferred number - Wikipedia

      https://en.wikipedia.org/wiki/Talk:Preferred_number

      網頁A borderline case are the following sections: Paper documents, envelopes, and drawing pens. Photography. Mathematically, sequences such as 1, 2, 4... can indeed be seen as …

      • https://wiki2.org/en/Preferred_number

        網頁In industrial design, preferred numbers (also called preferred values or preferred series) are standard guidelines for choosing exact product dimensions within a given set of …

      • Preferred number - Wikiwand

        https://www.wikiwand.com/en/Preferred_number

        網頁In industrial design, preferred numbers are standard guidelines for choosing exact product dimensions within a given set of constraints. Product developers must choose numerous …

      • Preferred number – Wikipedia – Enzyklopädie

        https://wiki.edu.vn/en/wiki8/preferred-number-wikipedia

        網頁2019年11月28日 · In 1870 Charles Renard proposed a set of preferred numbers. [2] His system was adopted in 1952 as international standard ISO 3. [3] Renard’s system divides …

      • Preferred number - HandWiki

        https://handwiki.org/wiki/Preferred_number

        網頁Page actions. In industrial design, preferred numbers (also called preferred values or preferred series) are standard guidelines for choosing exact product dimensions within a …

      • Preferred number - Wikipedia, the free encyclopedia

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        網頁Renard's system of preferred numbers divides the interval from 1 to 10 into 5, 10, 20, or 40 steps. The factor between two consecutive numbers in a Renard series is constant …

      • Preferred number - Wikipedia, the free encyclopedia

        metadatace.cci.drexel.edu/omeka/items/show/35936

        網頁Renard's system of preferred numbers divides the interval from 1 to 10 into 5, 10, 20, or 40 steps. The factor between two consecutive numbers in a Renard series is approximately …

      • https://en.wikipedia.org/wiki/Preferred_stock

        網頁Preferred stock (also called preferred shares, preference shares, or simply preferreds) is a component of share capital that may have any combination of features not possessed by common stock, including properties of both …



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