The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 1981
Filed:
Jul. 02, 1979
Hitachi, Ltd., Tokyo, JP;
Abstract
Disclosed is an electrostatic recording apparatus comprising a wire electrode row including a multiplicity of wire electrodes which are continuously arranged substantially in a row and are divided into a plurality of wire electrode blocks each having the same number of wire electrodes, a plurality of auxiliary electrodes respectively arranged along the wire electrode row and in opposite to the plurality of wire electrode blocks, a driving circuit for selectively applying driving signals to the wire electrodes and the auxiliary electrodes in response to a recording signal, a humidity detector which detects ambient humidity to produce a signal representing a detected value, and means for controlling a waveform of the drive signal in accordance with the output signal from the humidity detector.