Tuned cavity device

Claim 2

A magnetically operable vibrating reed assembly comprising a support, an elongated reed having one end thereof secured to said support with the other end thereof remaining free to vibrate, said elongated reed having a plurality of longitudinally extending slots therein adjacent the free end of said reed to break up any radio frequency currents induced in said reed, coil means secured to said reed, means to supply an electrical current through said coil means, and means for the establishment of a magnetic field perpendicular to the longitudinal axis of said coil whereby said reed is caused to vibrate.

Claim 3

A magnetically operable vibrating reed assembly comprising a support, an elongated reed having one end thereof secured to said support with the other end thereof remaining free to vibrate, said elongated reed having a plurality of longitudinally extending slots therein adjacent the free end of said reed to break up any radio frequency currents induced in said reed, coil means secured to said reed, means to supply an electrical current to said coil means and means inclusive of first and second magnetic pole pieces for the establishment of a magnetic field perPendicular to the longitudinal axis of said coil whereby said reed is caused to vibrate.

Claim 4

A magnetically operable vibrating reed assembly comprising a support, an elongated reed having one end thereof secured to said support with the other end thereof remaining free to vibrate, said elongated reed having a plurality of longitudinally extending slots therein adjacent the free end of said reed to break up any radio frequency currents induced in said reed, coil means secured to said reed, means to supply an electrical current to said coil means and means inclusive of first and second magnetic pole pieces for the establishment of a magnetic field perPendicular to the longitudinal axis of said coil whereby said reed is caused to vibrate.

Claim 5

In a microwave device having a plurality of resonant cavities, an assembly including an elongated flexible member fixed at one end and free at the other end, a plurality of cavity tuning members secured to the free end of said flexible member and extendible into a plurality of said cavities, and magnetic pole means positioned between said fixed ends and said cavity tuning members for effecting a magnetic field substantially parallel to said flexible member and a coil mounted on said flexible member within said magnetic field for moving said flexible member whereby the degree of extension of said tuning members into said cavities is varied in response to current flowing through said coil.

Claim 6

In a microwave device having a plurality of resonant cavities, an assembly including an elongated flexible member fixed at one end and free at the other end, a plurality of cavity tuning members secured to the free end of said flexible member and extendible into a plurality of said cavities, and magnetic pole means positioned between said fixed ends and said cavity tuning members for effecting a magnetic field substantially parallel to said flexible member and a coil mounted on said flexible member within said magnetic field for moving said flexible member whereby the degree of extension of said tuning members into said cavities is varied in response to current flowing through said coil.

Claim 7

A magnetron including a cathode and an anode including a plurality of circularly arranged cavities about the axis of said magnetron and resonant at a first frequency, output means for removing energy from said anode, and means for varying the resonant frequency of said cavities, said means inclusive of a vibrating cantilever member having a plurality of pin tuning members affixed to the free end thereof, successive pins insertable into successive cavities, said cantilever member having a plurality of slots therein to break up any radio frequency currents induced therein, and means for effecting the vibration of said cantilever member whereby said pins are intermittently disposed within said cavities whereby the resonant frequency of said cavities is varied.

Claim 8

A magnetron including a cathode and an anode including a plurality of circularly arranged cavities about the axis of said magnetron and resonant at a first frequency, output means for removing energy from said anode, and means for varying the resonant frequency of said cavities, said means inclusive of a vibrating cantilever member having a plurality of pin tuning members affixed to the free end thereof, successive pins insertable into successive cavities, said cantilever member having a plurality of slots therein to break up any radio frequency currents induced therein, and means for effecting the vibration of said cantilever member whereby said pins are intermittently disposed within said cavities whereby the resonant frequency of said cavities is varied.

Claim 9

A magnetron including a cathode and an anode including a plurality of circularly arranged cavities resonant at a first frequency, output means for removing energy from said anode, and means for varying the resonant frequency of said cavities, said means including a cantilever member having an odd number of pin tuning members affixed to the free end thereof, successive pins insertable into successive cavities, said cantilever member having a plurality of slots disposed therein near the free end thereof to break up any radio frequency currents induced in said cantilever member, and means for effecting the vibration of said cantilever member whereby said pins are intermittently disposed within said cavities whereby the resonant frequency of said cavities is varied.

Claim 10

A magnetron including a cathode and an anode including a plurality of circularly arranged cavities resonant at a first frequency, output means for removing energy from said anode, and means for varying the resonant frequency of said cavities, said means including a cantilever member having an odd number of pin tuning members affixed to the free end thereof, successive pins insertable into successive cavities, said cantilever member having a plurality of slots disposed therein near the free end thereof to break up any radio frequency currents induced in said cantilever member, and means for effecting the vibration of said cantilever member whereby said pins are intermittently disposed within said cavities whereby the resonant frequency of said cavities is varied.

Claim 11

A magnetron having a cavity, an assembly including an elongated flexible member fixed at one end and free at the other end, a cavity tuning member secured to the free end of said flexible member and extendable into said cavity, magnetic pole means disposed for effecting a magnetic field substantially parallel to said flexible member and a coil mounted on said flexible member between said fixed end and said free end of said flexible member and within said magnetic field for moving said flexible member whereby the degree of extension of said tuning member into said cavity is varied in response to current flowing through said coil.

Claim 12

A magnetron having a cavity, an assembly including an elongated flexible member fixed at one end and free at the other end, a cavity tuning member secured to the free end of said flexible member and extendable into said cavity, magnetic pole means disposed for effecting a magnetic field substantially parallel to said flexible member and a coil mounted on said flexible member between said fixed end and said free end of said flexible member and within said magnetic field for moving said flexible member whereby the degree of extension of said tuning member into said cavity is varied in response to current flowing through said coil.

Claim 13

A magnetron having a plurality of cavities, an assembly including an elongated flexible member fixed at one end and free at the other end, a cavity tuning member secured to the free end of said flexible member and extendable into one of said cavities, magnetic pole means disposed for effecting a magnetic field substantially parallel to said flexible member and a coil mounted on said flexible member between said fixed end and said free end of said flexible member and within said magnetic field for moving said flexible member whereby the degree of extension of said tuning member into one of said cavities is varied in response to current flowing through said coil.

Claim 14

A magnetron having a plurality of cavities, an assembly including an elongated flexible member fixed at one end and free at the other end, a cavity tuning member secured to the free end of said flexible member and extendable into one of said cavities, magnetic pole means disposed for effecting a magnetic field substantially parallel to said flexible member and a coil mounted on said flexible member between said fixed end and said free end of said flexible member and within said magnetic field for moving said flexible member whereby the degree of extension of said tuning member into one of said cavities is varied in response to current flowing through said coil.

Claim 15

A magnetron including a centrally disposed cathode, an anode including a plurality of resonant cavities circularly disposed about said cathode, output means coupled to one of said resonant cavities for removing energy from said magnetron, means adjacent said anode for varying the resonant frequency of said magnetron, said means including an elongated flexible member fixed at one end and free at thE other end, a cavity tuning member secured to the free end of said flexible member and extending into at least one of said cavities, magnetic pole means positioned between said fixed end and said free end of said flexible member for providing a magnetic field substantially parallel to said flexible member and a coil mounted on said flexible member within said magnetic field for moving said flexible member whereby the degree of extension of said tuning member into said cavity is varied in response to current flowing through said coil, said cavity tuning member spaced about said circularly disposed resonant cavities from said output means in the range of 45* to 135*.

Claim 16

A magnetron including a centrally disposed cathode, an anode including a plurality of resonant cavities circularly disposed about said cathode, output means coupled to one of said resonant cavities for removing energy from said magnetron, means adjacent said anode for varying the resonant frequency of said magnetron, said means including an elongated flexible member fixed at one end and free at thE other end, a cavity tuning member secured to the free end of said flexible member and extending into at least one of said cavities, magnetic pole means positioned between said fixed end and said free end of said flexible member for providing a magnetic field substantially parallel to said flexible member and a coil mounted on said flexible member within said magnetic field for moving said flexible member whereby the degree of extension of said tuning member into said cavity is varied in response to current flowing through said coil, said cavity tuning member spaced about said circularly disposed resonant cavities from said output means in the range of 45* to 135*.

Claim 17

A magnetron including a centrally disposed cathode, an anode including a plurality of resonant cavities circularly disposed about said cathode, output means positioned at a point on said circularly disposed resonant cavities for removing energy from said anode cavities, means adjacent said anode for varying the resonant frequency of said cavities, said means including an elongated flexible member fixed at one end and free on the other end, a cavity tuning member secured to the free end of said flexible member and extendable into at least one of said resonant cavities, said flexible member being positioned at a point on said circularly disposed resonant cavities approximately 90* from said output means, magnetic pole means positioned between said fixed end and said free end of said flexible member for effecting a magentic field substantially parallel to said flexible member and a coil mounted on said flexible member within said magnetic field for moving said flexible member whereby the degree of extension of said tuning member into said cavity is varied in response to current flowing through said coil.

Claim 18

A magnetron including a centrally disposed cathode, an anode including a plurality of resonant cavities circularly disposed about said cathode, output means positioned at a point on said circularly disposed resonant cavities for removing energy from said anode cavities, means adjacent said anode for varying the resonant frequency of said cavities, said means including an elongated flexible member fixed at one end and free on the other end, a cavity tuning member secured to the free end of said flexible member and extendable into at least one of said resonant cavities, said flexible member being positioned at a point on said circularly disposed resonant cavities approximately 90* from said output means, magnetic pole means positioned between said fixed end and said free end of said flexible member for effecting a magentic field substantially parallel to said flexible member and a coil mounted on said flexible member within said magnetic field for moving said flexible member whereby the degree of extension of said tuning member into said cavity is varied in response to current flowing through said coil.