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:
Aug. 11, 1992
Filed:
Aug. 10, 1990
Tokyo Electric Co., Ltd., Tokyo, JP;
Abstract
An edge emission type EL printer having a line head constituted by an array of numerous edge emission type EL devices. One group of electrodes for the EL devices receive driving pulses from a first driver means, and the other group thereof get driving pulses from a second driver means as per emission control signals. This allows the EL devices to selectively luminesce, forming an electrostatic latent image on the circumference surface of a photosensitive body charged by a charger. The image is developed by a developer and transferred to a recording medium by a transfer machine. The emission control signals entering the line head are monitored so that when the absence of EL devices luminescing within one primary scanning line is detected from the monitoring, a driving pulse stopping means is activated to stop accordingly the driving pulses continuously applied to the EL devices by the first driver means.