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InterDigital, Inc. is an American technology research and development company that provides wireless and video technologies for mobile devices, networks, and services worldwide. Founded in 1972, InterDigital is listed on the Nasdaq and is included in the S&P 600 index.
An interdigital transducer (IDT) is a device that consists of two interlocking comb-shaped arrays of metallic electrodes (in the fashion of a zipper). These metallic electrodes are deposited on the surface of a piezoelectric substrate , such as quartz or lithium niobate , to form a periodic structure.
White is known for inventing the Interdigital Transducer (IDT) and for his surface acoustic wave work, he received the 2003 Rayleigh Award. [4] He received the IEEE Cledo Brunetti Award in 1986. [5] He was born in 1930 and grew up in Denver. [6] He attended Harvard University for his B.A. degree in 1951 and A.M. in 1952.
Stripline interdigital filter Three Interdigital Coupled Line filters from a spectrum analyser PCB. Interdigital filters are another form of coupled-line filter. Each section of line is about λ/4 in length and is terminated in a short-circuit at one end only, the other end being left open-circuit.
The wildebeest only has interdigital (hoof) glands in its fore legs. Analysis of chemical constituents from a free ranging blue wildebeest from Zimbabwe (Cawston Block) showed this gland contains cyclohexanecarboxylic acid, phenol, 2-phenolethanol, and six short-chain carboxylic acids. . [48]
The interdigital membrane increases the surface area, which increases the propulsive drag the animal can generate with each stroke of its foot. [ 24 ] [ 25 ] This is a drag-based mode of propulsion. However, some waterfowl also utilize lift-based modes of propulsion, where their feet generate hydrodynamic lift due to the angle of attack of the ...
An example of interdigital webbing on an Abah River flying frog.. In oryzomyines, a mainly South American rodent group, the marsh rice rat, Pseudoryzomys simplex, and Sigmodontomys alfari all have small webs, which do not extend to the end of the proximal phalanges, whereas Amphinectomys savamis, Lundomys molitor and the members of the genera Holochilus and Nectomys have more expansive webbing ...
A transducer is a device that converts energy from one form to another. Usually a transducer converts a signal in one form of energy to a signal in another. [1] Transducers are often employed at the boundaries of automation, measurement, and control systems, where electrical signals are converted to and from other physical quantities (energy, force, torque, light, motion, position, etc.).