Abstract: An apparatus provides a correct image of the surface of an inner wall of a narrow red-hot coking chamber of a coke oven. The apparatus employs linear CCD cameras (LC2 to LC5). The cameras are arranged so that optical axes thereof obliquely cross the inner wall. The cameras are moved by a carriage (HSA) with a linear view field of the cameras being substantially in parallel with the inner wall. The cameras provide linear images while being moved. The linear images are combined into a two-dimensional image and stored in an image memory under the control of an image processing unit (11A). The image is read out of the memory and displayed or printed on an output unit (10, MOV, CPTR, PTR).

Abstract: Disclosed is a facsimile mail system which comprises: a switching means having an input side connected to an outside telephone circuit and an output side connected to a plurality of telephones and at least one facsimile device; a facsimile mail storage means connected to the output side of the switching means and having a plurality of storage regions use of which are specified respectively; a judgment and control means for judging whether a telephone signal received by the switching means is a voice signal or a facsimile signal to thereby give a transfer request to the switching means that the switching means connects the telephone signal to one of the telephones addressed by a destination of the telephone signal when the telephone signal is a voice signal while the switching means connects the telephone signal to the facsimile mail storage means when the telephone signal is a facsimile signal; and means for selecting one of the storage regions specified by the destination of the telephone signal and for accu