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Preferred number, the Glossary

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.^[1]

59 relations: American National Standards Institute, American Society of Mechanical Engineers, Approximation error, Aruban florin, Aspect ratio, Bosch (company), Charles Renard, Computer graphics, Convenient number, Currency, Decade (log scale), Denomination (currency), Dutch guilder, DX encoding, E series of preferred numbers, Electronic Industries Alliance, Electronics, Euro, F-number, Federal Telegraph Company, Film speed, Franzis Verlag, Geometric progression, Georg Christoph Lichtenberg, Guideline, IEC 60228, Industrial design, Institute of Radio Engineers, International Electrotechnical Commission, International Organization for Standardization, International standard, Iraqi dinar, ISO 216, Jordanian dinar, JPEG, Lebanese pound, Logarithmic scale, Metrication in the United States, Moving Picture Experts Group, National Institute of Standards and Technology, Netherlands Antillean guilder, Nominal impedance, Planned obsolescence, Pound sterling, Preferred metric sizes, Proceedings of the IEEE, Quantity, Raster graphics, Real versus nominal value, Renard series, ... Expand index (9 more) »
Logarithmic scales of measurement

American National Standards Institute

The American National Standards Institute (ANSI) is a private nonprofit organization that oversees the development of voluntary consensus standards for products, services, processes, systems, and personnel in the United States.

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American Society of Mechanical Engineers

The American Society of Mechanical Engineers (ASME) is an American professional association that, in its own words, "promotes the art, science, and practice of multidisciplinary engineering and allied sciences around the globe" via "continuing education, training and professional development, codes and standards, research, conferences and publications, government relations, and other forms of outreach." ASME is thus an engineering society, a standards organization, a research and development organization, an advocacy organization, a provider of training and education, and a nonprofit organization.

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Approximation error

The approximation error in a data value is the discrepancy between an exact value and some approximation to it.

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Aruban florin

The florin (sign: Afl.; code: AWG) or Aruban guilder is the currency of Aruba.

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Aspect ratio

The aspect ratio of a geometric shape is the ratio of its sizes in different dimensions.

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Bosch (company)

Robert Bosch GmbH, commonly known as Bosch (styled BOSCH), is a German multinational engineering and technology company headquartered in Gerlingen, Baden-Württemberg, Germany.

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Charles Renard

Charles Renard (1847–1905) born in Damblain, Vosges, was a French military engineer.

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Computer graphics

Computer graphics deals with generating images and art with the aid of computers.

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Convenient number

A convenient number is a number which in several situations can prove convenient for use by humans for counting and measuring, and is related to preferred numbers (which are standard recommendations used for choosing product dimensions). Preferred number and convenient number are industrial design, logarithmic scales of measurement and numbers.

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Currency

A currency is a standardization of money in any form, in use or circulation as a medium of exchange, for example banknotes and coins.

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Decade (log scale)

One decade (symbol dec) is a unit for measuring ratios on a logarithmic scale, with one decade corresponding to a ratio of 10 between two numbers.

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Denomination (currency)

Denomination is a proper description of a currency amount, usually for coins or banknotes.

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Dutch guilder

The guilder (gulden) or florin was the currency of the Netherlands from 1434 until 2002, when it was replaced by the euro.

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DX encoding

DX (Digital indeX) encoding is an ANSI and I3A standard, originally introduced by Kodak in March 1983, for marking 135 and APS photographic film and film cartridges.

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E series of preferred numbers

The E series is a system of preferred numbers (also called preferred values) derived for use in electronic components. Preferred number and e series of preferred numbers are industrial design, logarithmic scales of measurement and numbers.

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Electronic Industries Alliance

The Electronic Industries Alliance (EIA; until 1997 Electronic Industries Association) was an American standards and trade organization composed as an alliance of trade associations for electronics manufacturers in the United States.

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Electronics

Electronics is a scientific and engineering discipline that studies and applies the principles of physics to design, create, and operate devices that manipulate electrons and other electrically charged particles.

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Euro

The euro (symbol: €; currency code: EUR) is the official currency of 20 of the member states of the European Union.

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F-number

An f-number is a measure of the light-gathering ability of an optical system such as a camera lens. Preferred number and f-number are logarithmic scales of measurement.

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Federal Telegraph Company

The Federal Telegraph Company was a United States manufacturing and communications company that played a pivotal role in the 20th century in the development of radio communications.

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Film speed

Film speed is the measure of a photographic film's sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system introduced in 1974.

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Franzis Verlag

The Franzis Verlag GmbH is a German publisher based in Haar, Germany and part of the WEKA Mediengruppe.

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Geometric progression

A geometric progression, also known as a geometric sequence, is a mathematical sequence of non-zero numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.

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Georg Christoph Lichtenberg

Georg Christoph Lichtenberg (1 July 1742 – 24 February 1799) was a German physicist, satirist, and Anglophile.

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Guideline

A guideline is a statement by which to determine a course of action.

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IEC 60228

IEC 60228 is the International Electrotechnical Commission (IEC)'s international standard on conductors of insulated cables.

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Industrial design

Industrial design is a process of design applied to physical products that are to be manufactured by mass production.

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Institute of Radio Engineers

The Institute of Radio Engineers (IRE) was a professional organization which existed from 1912 until December 31, 1962.

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International Electrotechnical Commission

The International Electrotechnical Commission (IEC; Commission électrotechnique internationale) is an international standards organization that prepares and publishes international standards for all electrical, electronic and related technologies – collectively known as "electrotechnology".

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International Organization for Standardization

The International Organization for Standardization (ISO) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries.

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International standard

An international standard is a technical standard developed by one or more international standards organizations.

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Iraqi dinar

The Iraqi dinar (Arabic: دينار; sign: ID in Latin, د.ع in Arabic; code: IQD) is the currency of Iraq.

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ISO 216

ISO 216 is an international standard for paper sizes, used around the world except in North America and parts of Latin America.

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Jordanian dinar

The Jordanian dinar (دينار أردني; code: JOD; unofficially abbreviated as JD) has been the currency of Jordan since 1950.

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JPEG

JPEG (short for Joint Photographic Experts Group) is a commonly used method of lossy compression for digital images, particularly for those images produced by digital photography.

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Lebanese pound

The lira or pound is the currency of Lebanon.

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Logarithmic scale

A logarithmic scale (or log scale) is a method used to display numerical data that spans a broad range of values, especially when there are significant differences between the magnitudes of the numbers involved. Preferred number and logarithmic scale are logarithmic scales of measurement.

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Metrication in the United States

Metrication (or metrification) is the process of introducing the International System of Units, also known as SI units or the metric system, to replace a jurisdiction's traditional measuring units.

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Moving Picture Experts Group

The Moving Picture Experts Group (MPEG) is an alliance of working groups established jointly by ISO and IEC that sets standards for media coding, including compression coding of audio, video, graphics, and genomic data; and transmission and file formats for various applications.

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National Institute of Standards and Technology

The National Institute of Standards and Technology (NIST) is an agency of the United States Department of Commerce whose mission is to promote American innovation and industrial competitiveness.

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Netherlands Antillean guilder

The Netherlands Antillean guilder (gulden; florin) is the currency of Curaçao and Sint Maarten, which until 2010 formed the Netherlands Antilles along with Bonaire, Saba, and Sint Eustatius.

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Nominal impedance

Nominal impedance in electrical engineering and audio engineering refers to the approximate designed impedance of an electrical circuit or device.

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Planned obsolescence

In economics and industrial design, planned obsolescence (also called built-in obsolescence or premature obsolescence) is the concept of policies planning or designing a product with an artificially limited useful life or a purposely frail design, so that it becomes obsolete after a certain predetermined period of time upon which it decrementally functions or suddenly ceases to function, or might be perceived as unfashionable.

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Pound sterling

Sterling (ISO code: GBP) is the currency of the United Kingdom and nine of its associated territories.

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Preferred metric sizes

Preferred metric sizes are a set of international standards and de facto standards that are designed to make using the metric system easier and simpler, especially in engineering and construction practices.

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Proceedings of the IEEE

The Proceedings of the IEEE is a monthly peer-reviewed scientific journal published by the Institute of Electrical and Electronics Engineers (IEEE).

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Quantity

Quantity or amount is a property that can exist as a multitude or magnitude, which illustrate discontinuity and continuity.

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Raster graphics

smiley face in the top left corner is a raster image. When enlarged, individual pixels appear as squares. Enlarging further, each pixel can be analyzed, with their colors constructed through combination of the values for red, green and blue. In computer graphics and digital photography, a raster graphic represents a two-dimensional picture as a rectangular matrix or grid of pixels, viewable via a computer display, paper, or other display medium.

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Real versus nominal value

The distinction between real value and nominal value occurs in many fields.

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Renard series

Renard series are a system of preferred numbers dividing an interval from 1 to 10 into 5, 10, 20, or 40 steps. Preferred number and Renard series are industrial design, logarithmic scales of measurement and numbers.

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Seychellois rupee

The rupee is the currency of the Seychelles.

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Shutter speed

In photography, shutter speed or exposure time is the length of time that the film or digital sensor inside the camera is exposed to light (that is, when the camera's shutter is open) when taking a photograph.

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Springer Science+Business Media, commonly known as Springer, is a German multinational publishing company of books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.

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Square root

In mathematics, a square root of a number is a number such that y^2.

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Square root of 2

The square root of 2 (approximately 1.4142) is a real number that, when multiplied by itself or squared, equals the number 2.

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Standardization

Standardization (American English) or standardisation (British English) is the process of implementing and developing technical standards based on the consensus of different parties that include firms, users, interest groups, standards organizations and governments.

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References

[1] https://en.wikipedia.org/wiki/Preferred_number

Also known as 1-2-5 series, Modular coordination, Preferred dimension, Preferred numbers, Preferred value, Preferred values, Preferred values system, Preffered number.

, Seychellois rupee, Shutter speed, Springer Science+Business Media, Square root, Square root of 2, Standardization, Surinamese dollar, Syrian pound, Vendor lock-in.

Preferred number, the Glossary

Table of Contents

See also

Logarithmic scales of measurement

References