US 9,961,280 B2 · Image forming apparatus and imaging system

Abstract

Provided by the present invention is an image forming apparatus wherein a signal to noise ratio is improved without reducing a video rate of a real-time moving image. The image forming apparatus comprises: a pixel 101 having an electromagnetic wave detecting element 111 configured to detect an electromagnetic wave; a switch 110 configured to read out a signal from the pixel; a signal generating unit 102 configured to generate a signal 114 having a predetermined period, wherein the pixel is connected to a transmission line 103 for supplying, to the pixel, the signal having the predetermined period, and to a scanning line 106 and 107 for reading out the signal from the pixel through the switch, and the pixel has a frequency converting element 113 configured to convert a frequency of a detection signal of the electromagnetic wave detecting element, using the signal having the predetermined period.

Claims17

Dependent claims

An image forming apparatus configured to form an image by using a terahertz wave, comprising:

a plurality of pixels, each having an antenna and a Schottky barrier diode connected with the antenna;
a plurality of switches connected to each of the plurality of pixels;
a signal generating unit configured to generate a signal having a predetermined period;
and
a transmission line configured to transmit the signal having the predetermined period to each of the plurality of pixels,
wherein:
each of the plurality of pixels is further connected to a scanning line for reading out a signal from the corresponding pixel through a corresponding switch among the plurality of switches, and
each of the plurality of pixels has a frequency converting element configured to convert a frequency of a detection signal of the Schottky barrier diode, using the signal having the predetermined period.

5 more elements

An imaging system comprising:

an irradiating apparatus configured to irradiate an object with an electromagnetic wave;
and
an image forming apparatus configured to form an image by using a terahertz wave, the image forming apparatus comprising:
a plurality of pixels, each having an antenna and a Schottky barrier diode connected with the antenna;
a plurality of switches connected to each of the plurality of pixels;
a signal generating unit configured to generate a signal having a predetermined period;
and
a transmission line configured to transmit the signal having the predetermined period to each of the plurality of pixels,
wherein:
each of the plurality of pixels is further connected to a scanning line for reading out a signal from the corresponding pixel through a corresponding switch among the plurality of switches, and
each of the plurality of pixels has a frequency converting element configured to convert a frequency of a detection signal of the Schottky barrier diode using the signal having the predetermined period.

8 more elements

Dependencies are inferred from the claim text.

Image forming apparatus and imaging system

Life of this patent

Image forming apparatus and imaging system

Life of this patent

Abstract

Claims17