A fine filter assembly for a dishwasher includes a filter body, a filter screen coupled to the body; and a pressure relief tube. Each protocol is allocated a fraction of the available transmission bandwidth. The mobile device selects one of the first local market signal and the second local market signal in response to the local market for the mobile device. This structure provides a large storage capacitance in a small area. The bedside-pharmacy system may include a liquid inlet for connection to a liquid supply, vial receptacles, and a liquid outlet for providing the intravenous drug in mixed, liquid form to the patient. After a quarter resonant period of the resonant circuit, the first switch is turned off once the first control signal is lower than a first threshold.