Photoelectric sensor, information recording system, and information recording and reproducing method
A photoelectric sensor having a photoconductive layer on an electrode and used to form information on an information recording medium. The photoelectric sensor is semiconductive and has such a function that when a voltage is applied between the electrode of the photoelectric sensor and an electrode...
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Main Authors | , , , |
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Format | Patent |
Language | English French German |
Published |
08.03.1995
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Edition | 5 |
Subjects | |
Online Access | Get full text |
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Abstract | A photoelectric sensor having a photoconductive layer on an electrode and used to form information on an information recording medium. The photoelectric sensor is semiconductive and has such a function that when a voltage is applied between the electrode of the photoelectric sensor and an electrode of the information recording medium while information exposure is being carried out, or when information exposure is carried out with a voltage being applied between the two electrodes, information can be recorded on the information recording medium with an electric current amplified to a level higher than the intensity of a photoelectric current induced by the information exposure, and that even after termination of the information exposure, when the voltage is continuously applied, the photoelectric sensor shows electrical conductivity and continuously effects information recording to the information recording medium. The photoelectric sensor has a photo-induced current amplifying layer provided between the electrode and the photoconductive layer, thereby enabling an image free from unevenness and noise to be formed with high sensitivity. |
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AbstractList | A photoelectric sensor having a photoconductive layer on an electrode and used to form information on an information recording medium. The photoelectric sensor is semiconductive and has such a function that when a voltage is applied between the electrode of the photoelectric sensor and an electrode of the information recording medium while information exposure is being carried out, or when information exposure is carried out with a voltage being applied between the two electrodes, information can be recorded on the information recording medium with an electric current amplified to a level higher than the intensity of a photoelectric current induced by the information exposure, and that even after termination of the information exposure, when the voltage is continuously applied, the photoelectric sensor shows electrical conductivity and continuously effects information recording to the information recording medium. The photoelectric sensor has a photo-induced current amplifying layer provided between the electrode and the photoconductive layer, thereby enabling an image free from unevenness and noise to be formed with high sensitivity. |
Author | SHIMIZU OSAMU C O DAI NIPPON P AOKI DAIGO C O DAI NIPPON PRIN AKADA MASANORI C O DAI NIPPON IDEHARA TOMOYUKI CO DAI NIPPON |
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DocumentTitleAlternate | Photoelektrische Sensor, Aufzeichnungssystem, und Verfahren für Datenaufzeichnung und Reprographie. Détecteur photoélectrique, système d'enregistrement d'information, et méthode d'enregistrement et de reprographie. |
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Notes | Application Number: EP19940106484 |
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Snippet | A photoelectric sensor having a photoconductive layer on an electrode and used to form information on an information recording medium. The photoelectric sensor... |
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SubjectTerms | CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MAGNETOGRAPHY PHOTOGRAPHY PHYSICS |
Title | Photoelectric sensor, information recording system, and information recording and reproducing method |
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