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A strap 4b forms an integralpart of the ring -ele- :mentand serves as apterminal thus eliminating connections and provides a desirable short path for high frequency applications.An insulating strip-42 is provided to support-the terminals. It is still another object of this invention to provide a logarithmic voltage divider suitable for high frequency applications. R0 SENTHHL FJEENT Patented June 1, 1954 2,680,177 LOGARITHMIC POTENTIOMETER Louis A. A further object of this invention is to provide a logarithmic potentiometer capable of carrying relatively large currents.Two cuts, along faces 18 and 2e, are made to remove an angular section.It is apparent that a more complex imold-could be utilized which will directly mold the taper portion and thus eliminateithacuttingoperation.The thickness .0 of the slab will determine the power dissipation qualities (of the potentiometer) and.the impedance level of a potentiometer made from a given conductive plastic.
These and other objects, features and advantages will be made more apparent by reference to the following description and the accompanying drawings in which the same symbols refer to the same things.A greater useful attenuation is attainable since the right hand side is at true zero potential.The particular taper angle is not critical and an angle of 45 has been found satisfactory. ROSENTHAL 2,680,177 LOGARITHMIC POTENTIOMETER Filed Nov. Figure 5 is a sectional view of the potentiometer shown in Figure 4.
Figure 4 shows, in elevation, an assembled potentiometer incorporating the element shown in Figure 3.
The equipotential surface may be created by such means as spraying the element with metal, electroplating, and coating with conductive lacquer.