Method and selector switch for switching between two antenna...

Details Method and selector switch for switching between two antenna... Method and selector switch for switching between two antenna...

2006-04-18

2006-04-18

Arana, Louis (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

C324S322000

Reexamination Certificate

active

07030614

ABSTRACT:
In an antenna selector switch and a switching method, a number of antenna units of a magnetic resonance apparatus can be operated via one RF channel. The antenna selector switch has at least two antenna connectors for connection with one antenna unit. A first of the antenna units can be set in terms of its resonance frequency via a control signal. The selector switch also has an RF channel connector for making a connection with a radio frequency unit of the magnetic resonance apparatus; and a switching unit to make a radio frequency connection between one of the antenna connectors and the RF channel connector. The switching unit can activated with the control signal. This allows a reduction of the necessary reception channels without additional control signal lines.

REFERENCES:
patent: 4881034 (1989-11-01), Kaufman et al.
patent: 5097210 (1992-03-01), Requardt et al.
patent: 6223065 (2001-04-01), Misic et al.
patent: 6867593 (2005-03-01), Menon et al.

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