Development electrode专利检索-图像对比度图形技术专利检索查询-专利查询网

Development electrode

阅读：613发布：2022-01-04

专利汇可以提供Development electrode专利检索，专利查询，专利分析的服务。并且An electrostatic photocopy apparatus uses a liquid developer for developing the electrostatic image on an image bearing sheet. The structure of the developing means utilizes upper and lower electrode means connected to the same electric potential between which the sheet passes in a pool of developer liquid. Both electrodes in a preferred embodiment are in the form of metallic screens, the upper electrode having a mesh size within a range of about 30 mesh to 325 mesh and the lower electrode having a mesh size within a range of about 10 mesh to about 80 mesh. The spacing between the electrodes is in a range between about 1/4 to about 1/16 inch, such close spacing providing improved image contrast without causing any jamming of the sheet as it passes therethrough.，下面是Development electrode专利的具体信息内容。

权利要求

1. Apparatus for developing electrostatic images on sheet material comprising a developer station, means for moving said sheet material through said developer station, an upper electrode at said developer station, a lower electrode at said developer station positioned opposite said upper electrode, said sheet material being conveyed between the electrodes, said upper electrode and said lower electrode being of perforated material and being equipotential members, said lower electrode being in contact with said moving sheet material, and the spacing between the electrodes being less than about 1/4 inch.

2. Apparatus in accordance with claim 1 wherein said upper electrode is made of metallic screen material having a mesh size in the range from about 30 mesh to about 325 mesh.

3. Apparatus in accordance with claim 2 wherein said electrode mesh size is about 80 mesh.

4. Apparatus in accordance with claim 1 wherein said lower electrode is a metallic screen.

5. Apparatus in accordance with claim 4 wherein the screen size is within a range from about 10 mesh to about 80 mesh.

6. Apparatus in accordance with claim 5 wherein said mesh size is about 30 mesh.

7. Apparatus in accordance with claim 1 wherein the spacing between said electrodes is in a range from about 1/4 inch to about 1/16 inch.

8. Apparatus in accordance with claim 7 wherein said spacing is about 1/8 inch.

9. Apparatus in accordance with claim 1 wherein said electrodes are at the same electrical potential.

10. Apparatus in accordance with claim 7 wherein said electrical potential is ground potential.

11. Apparatus in accordance with claim 1 wherein at least one of said electrodes is coated with a dielectric material.

12. Apparatus in accordance with claim 11 wherein both said electrodes are coated with a dielectric material.

13. Apparatus in accordance with claim 11 wherein the coating is a dielectric material having a thickness of about 1 mil or less.

14. Apparatus in accordance with claim 13 wherein said dielectric material is an epoxy resin.

说明书全文

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Development electrode

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