Resources Contact Us Home
Photosensor circuit presenting linear and logarithimic output characteristics and image sensor using the same

Image Number 4 for United States Patent #7696463.

Photosensor circuit includes: a photoelectric conversion element; a first MOS transistor for converting a current signal into a voltage signal, a first capacitor element; a second capacitor element; a second MOS transistor for controlling charge transfer from the first capacitor element to the second capacitor element; and a control section for supplying gate voltages and drain voltages to the first and second MOS transistors. The control section performs initial setting and voltage control such that the charge transfer can be carried out efficiently for setting of the gate voltages and drain voltages to be supplied the first and second MOS transistors. Time length of the charge transfer is set so as not to exceed 100 .mu.sec.

  Recently Added Patents
Systems and methods for building axes, co-axes and paleo-geographic coordinates related to a stratified geological volume
Magnetoresistive element and manufacturing method of the same
Modular connector for touch sensitive device
Maize variety hybrid X13A495
Image processing apparatus and image processing method
Haloalky -substituted amides as insecticides and acaricides
Animation control apparatus, animation control method, and non-transitory computer readable recording medium
  Randomly Featured Patents
Multi-position chair control mechanism for synchronously adjusting the seat and backrest of a chair
Metal laminate gasket with double seal rings
Rechargeable flashlight
Automated scrolling of browser content and automated activation of browser links
Vehicular rearview/sideview mirror assembly utilizing afocal optical assembly
Field emission microcathode array and printer including the array
Refractory binder
Secondary battery of proton conductive polymer
System and method for comparing documents
Foundation and floor construction means