JPS6160263U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面はこの考案の一実施例を示し、第１図は全
体的な構成図、第２図は電極板の斜視図、第３図
は現像トナー像と検出電圧の関係を示す線図であ
る。 ２は電極板、２ｂは電極、５は交番電源、６は
発光素子、７は受光素子。 The drawings show one embodiment of this invention, with FIG. 1 being an overall configuration diagram, FIG. 2 being a perspective view of an electrode plate, and FIG. 3 being a diagram showing the relationship between a developed toner image and a detected voltage. 2 is an electrode plate, 2b is an electrode, 5 is an alternating power supply, 6 is a light emitting element, and 7 is a light receiving element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 互に間隔を存して対設され、かつ対向面に蒸着
された複数本の同一面の相隣接する電極２ｂに交
番電源５の印加された一対の電極板２と、これら
電極板２の間に現像剤を流動させる手段と、上記
電極板２を挾んで対向するように設けられ、かつ
電極板２に付着したトナーより現像剤中のトナー
量を検出する発光素子６及び受光素子７を具備し
てなる複写機の現像トナー量検出装置。 A pair of electrode plates 2 to which an alternating current power source 5 is applied to a plurality of mutually adjacent electrodes 2b on the same surface, which are disposed opposite to each other with a gap between them and are deposited on opposing surfaces, and between these electrode plates 2. A light emitting element 6 and a light receiving element 7 are provided to face each other with the electrode plate 2 in between and detect the amount of toner in the developer from the toner adhered to the electrode plate 2. A developing toner amount detection device for a copying machine.