dual-use line
11Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… …
12Dual-band blade antenna — Contents 1 Introduction 2 Theory 2.1 Monopoles 2.1.1 Blade Antennas 2.2 Slot Antennas …
13Dual-mode bus — This article concerns buses that can operate from two independent fuel sources. For other hybrid technologies, see Hybrid bus or Fuel cell bus Boston Neoplan AN460LF dual mode trolleybus, operating in diesel mode (with its trolley poles lowered)… …
14Dual SIM — A dual SIM phone. A dual SIM mobile phone is one which holds two SIM cards. Initially, dual SIM adapters were made available to use in regular mobile phones to allow them to contain two SIMs, and to switch from one to the other as required. This… …
15Dual-sector model — This article is about the economic model. For the diagram representing atomic bonding, see Lewis structure. Sir W. Arthur Lewis Sir William Arthur Lewis, official Nobel Prize photo …
16Line coordinates — In geometry, line coordinates are used to specify the position of a line just as point coordinates (or simply coordinates) are used to specify the position of a point. Contents 1 Lines in the plane 2 Tangential equations 3 Tangential equation of… …
17Dual quaternion — The set of dual quaternions is an algebra that can be used to represent spatial rigid body displacements.[1] A dual quaternion is an ordered pair of quaternions  = (A, B) and therefore is constructed from eight real parameters. Because rigid… …
18Dual purpose gun — The Mark 37 Model 6 5 inch dual purpose gun on display at the National Museum of the Pacific War. The gun had a range of over 6 miles and could fire 22 rounds a minute. A dual purpose gun is a naval artillery mounting designed to engage both… …
19Dual number — For dual grammatical number found in some languages, see Dual (grammatical number). In linear algebra, the dual numbers extend the real numbers by adjoining one new element ε with the property ε2 = 0 (ε is nilpotent). The collection of dual… …
20Line matrix printer — A line matrix printer is a computer printer that is a compromise between a lineprinter and a dot matrix printer. Basically, it prints a page wide line of dots. It builds up a line of text by printing lines of dots. Robert A. Kleist and business… …
