A shield connector includes a connector housing with resiliently deformably provided resilient locking pieces, a collective shield shell formed with collective side engaging portions engageable with the resilient locking pieces, and an individual core shield shell formed with individual-core side engaging portions engageable with the resilient locking pieces. The processor is in the form of a circular drum processor into which photographic film is inserted and processed. The clamping force varies within a known magnitude, whereas the setting force is reduced by 20%. The pull-up driving circuit includes a control circuit and a first transistor. Disclosed herein too is an article comprising a porous substrate; and a crosslinked proton conductor disposed on the porous substrate.