first coupler
1Acoustic coupler — In telecommunications, the term acoustic coupler has the following meanings: # An interface device for coupling electrical signals by acoustical means usually into and out of a telephone instrument. # A terminal device used to link data terminals …
2Oldham coupler — An Oldham coupler is a method to transfer torque between two parallel but not collinear shafts. It has three discs, one coupled to the input, one coupled to the output, and a middle disc that is joined to the first two by tongue and groove. The… …
3Prism coupler — are instruments used to measure the refractive index/birefringence and thickness of dielectric and polymer films. Since refractive indices of a material depend upon the wavelength of the electromagnetic radiation transmitted, a monochromatic… …
4Coupling (railway) — Knuckle (AAR Type E ) couplers in use ICE coupler A c …
5Lincoln Industrial Corporation — (Lincoln) is a manufacturer of automated lubrication systems, manual lubrication equipment and industrial pumping systems. Founded in 1910, the company has been responsible for many of the inventions that established modern lubrication practices… …
6Power dividers and directional couplers — A 10 dB 1.7–2.2 GHz directional coupler. From left to right: input, coupled, isolated (terminated with a load), and transmitted port …
7keyboard instrument — ▪ music Introduction any musical instrument on which different notes can be sounded by pressing a series of keys, push buttons, or parallel levers. In nearly all cases in Western music the keys correspond to consecutive notes in the… …
8Rail transport modelling — Rail transport Operations Track Maintenance High speed Gauge Stations …
9N scale — This article is about the model railway track size. For the handheld video game system/mobile telephone, see N Gage. U.S. Prototype model of an N scale (1:160) Chesapeake and Ohio Railway 2 6 6 2 Mallèt shown with a pencil for size N scale is a… …
10motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
