Browse Prior Art Database

LIQUID CRYSTAL ELECTROMETER

IP.com Disclosure Number: IPCOM000023501D
Original Publication Date: 1977-Dec-31
Included in the Prior Art Database: 2004-Mar-31

Publishing Venue

Xerox Disclosure Journal

Abstract

As a probe (1) for an electrometer used to sense plate volt-ages on a charged photoreceptor, a liquid crystal (2), which changes light reflection and transmission in the presence of an electric field, is used. The probe (1) includes spaced base and face plates (3,4) with the liquid crystal (2) sup-ported on the base plate (3) The face plate (4) , which faces the charged photoreceptor (6) , has a viewing aperture (5) opposite the liquid crystal (2)