H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/34, 314/9
H04N 5/335 (2006.01) G02F 1/03 (2006.01) G02F 1/133 (2006.01) G02F 1/135 (2006.01) G02F 1/136 (2006.01)
Patent
CA 2006800
There are provided a method of modulating a photo-modulation layer correspondingly with an electric field applied thereto by applying an alternating electric field to a semiconductor layer disposed adjacent to the photo-modulation layer to vary a thickness of a depletion layer thereof responsive to the alternating electric field and applying the electric field to the photo- modulation layer while the alternating electric field is applied to the semiconductor layer and varying the thickness of the depletion layer, and a system for reproducing a charge latent image recorded in a recording medium which has at least a charge hold layer holding the charge latent image comprising a photo-modulation layer disposed adjacent to the recording medium so as to be subjected to an electric field generated by the charge latent image held on the charge hold layer, a semiconductor layer disposed adjacent to the photo- modulation layer, the semiconductor layer having a depletion layer which has a capacitance variable in response to an applied varying electric field, means for applying the varying electric field to the semiconductor layer for varying the capacitance of the depletion layer thus subjecting the electric field generated by the charge latent image being applied to the photo-modulation layer and means for projecting a reading light passing through the photo-modulation layer and for detecting modulation of the reading light passed therethrough.
Asakura Tsutou
Furuya Masato
Nakagaki Shintaro
Shinonaga Hirohiko
Suzuki Tetsuji
Riches Mckenzie & Herbert Llp
Victor Company Of Japan Ltd.
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