Rolf Magel

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Circuit arrangement for an electronic exposure meter

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Circuit arrangement for reducing the settling time of logarithmi

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
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Circuit arrangement for the compensation of the temperature coef

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
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Circuit arrangement to ascertain and indicate that a luminous de

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
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Device for exposure metering

Photography – Having photocell at specific position within camera – Movable into or out of light path
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Profile ID: LFUS-PAI-P-47484

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