A video signal receiver including a display synchronizing signal generation device and control method are disclosed. A collaborating ITP is connected to a collaborating STP, a home ITP is connected to a home STP, and a central ITP is connected to each ITP via a wide area network which is not a PSTN. The debris removal system is operable to clean a portion of the drive system when in the second position. The method determines a Session Description Protocol value of the session request if the at least one NAPTR resource record is received from the ENUM server, and processes the session request in accordance with the SDP value if the at least one NAPTR resource record is received from the ENUM server. The first magnetic-field-sensing layer is not parallel to the surface of the substrate and magnetically coupled to the horizontal magnetoresistive layer at the first side of the horizontal magnetoresistive layer. Consequently, the input interface may be triggered by the user to generate an input signal.