A coke oven door comprises a generally rectangular outer frame, a generally rectangular inner frame positioned within the outer frame and a seal operably mounted to the inner frame and adapted for effecting sealing against a jamb of a coke oven. Possible devices include a filter assembly that is capable of rotary action during real time image acquisition. There is a determination as to whether any of the message receivers has a corresponding wireless mobile communication device. The encoder is configured to receive a set of data pattern peak positions associated with the identifier. , file system crawling and index building, consume a significant amount of time and space which in many cases cannot be justified by the infrequent usage of such solutions.