公开(公告)号：US3926145A

公开(公告)日：1975-12-16

申请号：US44770174

申请日：1974-03-04

Applicant: HONEYWELL INF SYSTEMS

Inventor： MUTH ROBERT M

IPC: G03G15/08 ,  B05B5/02

CPC classification number: G03G15/0855

Abstract: An improved apparatus for applying toner solution to a charged recording medium wherein the concentration of toner particles in the solution is continuously monitored and adjusted is disclosed. The apparatus includes means to measure toner concentration comprising a light source, a transparent chamber receiving a continuously flowing stream of toner solution and means for measuring light intensity from the light source as passed through the transparent chamber. Preferably the means for measuring light is particularly sensitive to light in the near infrared region (about 8500 Angstroms). The output signal from the means for measuring light is a measure of the concentration of toner particles in the toner solution and is used to add toner concentrate to the toner solution as the concentration of toner particles in the solution is depleted. In preferred embodiments, means for controlling the output from the light source and for measuring toner concentration independent of the position of the light source are disclosed.

Abstract translation: 公开了一种用于将调色剂溶液施加到充电的记录介质上的改进的设备，其中连续监测和调整溶液中调色剂颗粒的浓度。 该装置包括测量调色剂浓度的装置，其包括光源，容纳连续流动的调色剂溶液的透明室和用于测量通过透明室的来自光源的光强度的装置。 优选地，用于测量光的装置对近红外区域（约8500埃）的光特别敏感。 来自用于测量光的装置的输出信号是调色剂溶液中调色剂颗粒浓度的量度，并且用于将调色剂浓缩物添加到调色剂溶液中，因为溶液中的调色剂颗粒的浓度被耗尽。 在优选实施例中，公开了用于控制来自光源的输出和用于独立于光源的位置测量调色剂浓度的装置。