DE1704775U - PHOTOELECTRIC EXPOSURE METER WITH RING-SHAPED CALCULATOR. - Google Patents

Description

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Claims (1)

j. «.« η w * w < _,. ·, w. υ α 3βχ Measiaetruaentebau GmbH .H. Brlangen, June 8, 1955 11517 Schute claims: Photoelectric light meter with beetles ^ through it gefcennzeiclanet that a ring-shaped SJcaleÄtfräger (2) for the Bellclitimg3Zei1 »objected against that se (1) is rotatably arranged in such a way that the pointer aussoiilagfeld (3) encircles its Beliciilraiigazeit legs against an inner »concentric on this» - the row of panels (8) fixed to the housing is read off. pC exposure meter according to claim \ _t characterized * that on the scale carrier for the exposure time values (2). Another - preferably connected to this by heating or toothed ratchet - is a ring-shaped slide 7Orge # «aeii, on which one or more series of values are applied in a suitable distribution in such a way that photographically equally effective sensitivity values are visible under recesses in (2), and scale carrier (2) together with Hing-Sonieber (5) by a setting pointer (6) on the 702t measuring mechanism or a pointer deflection range against the scale carrier for the exposure time values adjustable ¹ iat * A <<pvlhdz ^ * UA-it / ^ " ^T -A2- Hex Messinstrumentebau Gmb ^ H., -A2- Erlangen, ά.βα 8 ·. «Funi 1955 ϊ 151 7 Light meter after. Claims 1 and 2, characterized in that disposed inside the scale support (2) has a scale on the housing (1) of measurement figures (Lientwerten) as Bingabschnitt _r whose values: Feider door all the settings of the slider g®S9H the scale carrier at a with the measurement numbers with the same color mark on this - as '' light values * can be read " "4. Exposure meter according to claim 3, characterized in that value fields on the scale of the measurement numbers (9) (calibration values) are linked by guide lines a or areas (fO) with the assigned pointer deflection areas, ·, Exposure meter according to Claims 1 to 4 *, characterized in that that on the light meter housing (1) within the ring-shaped scale carrier (2) the on the scale carrier (2) "plotted exposure time values assigned aperture values on a concentric to the scale carrier Section (S) of a hinged scale are arranged » Exposure meter according to claims t to 5> characterized by the fact that the measurement number scale (9) and the scale d * r aperture values (S) in diametrically opposed circles lie within the rotatable scale holder