Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Reexamination Certificate
2005-09-27
2009-11-10
Porta, David P (Department: 2884)
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
C250S50400H
Reexamination Certificate
active
07615749
ABSTRACT:
There is provided an infrared light emitting device that is capable of polarizing emission light without causing loss of the emission light and having a simple configuration. Included are a photoconductive layer22which generates optical carriers upon being irradiated with pulsed excitation light; a pair of first antenna electrodes21afor emitting infrared light, which are formed on the photoconductive layer22with a gap32disposed between tips thereof; a pair of second antenna electrodes21bfor emitting infrared light, which are formed on the photoconductive layer22and which are disposed with the gap32between tips thereof and having an angle with respect to the first antenna electrodes21a; and a control unit for independently applying voltages to the first antenna electrodes21aand the second antenna electrodes21b. The voltage applied to the first antenna electrodes21aand the voltage applied to the second antenna electrodes21bmay be selectively applied at different times or may be simultaneously applied with different phases.
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Iwamoto Toshiyuki
Nishizawa Seizi
Edwards Angell Palmer & & Dodge LLP
Eley Jessica L
Japan Science and Technology Agency
Nishizawa Seizi
Porta David P
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