Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
F23J15/00—Arrangements of devices for treating smoke or fumes
F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
Photosensitive circuit for detecting an object having a switch unit respectively providing positive voltage and negative voltage of a capacitance to a comparison unit at a first and a second time period
Process for producing polarizing plate, polarizing plate produced by said process, and optical film and image display device using said polarizing plate