Automatic Frequency Controlled Ramp Procedure
Original Publication Date: 2007-Aug-25
Included in the Prior Art Database: 2007-Aug-25
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MR systems should check the frequency with the field plotting device or phantom in the body coil during magnet ramping. If the system detects a signal, the magnet power supply should be controlled via the system and the magnet supervisory in that way that the magnet is ramped to the specified maximum system frequency. The ramp procedure should also work without this function if a problem occurred. This option helps to prevent additional installation time if the magnet field is influenced by the magnetic shield or other environmental conditions.