# US 11,114,760 B2 · Magnetic shutter antenna > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,114,760 B2 - Document ID: US11114760B2 - Status: Granted - Kind: B2 - Application number: 16/197,335 - Filed: 2018-11-20 - Published: 2019-05-23 - Granted: 2021-09-07 - Earliest claimed: 2017-11-20 - Assignees: The Regents of the University of Colorado, a body corporate - Applicants: The Regents of the University of Colorado, a body corporate - Inventors: Mark Golkowski; Jae-Do Park; Ronald A. L. Rorrer; Zbigniew Celinski - Web page: https://patentgrep.com/patent/US11114760B2 ## CPC - H01Q 3/44: varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element - H01Q 1/1264: {Adjusting different parts or elements of an aerial unit} - H01Q 3/04: for varying one co-ordinate of the orientation - H01Q 3/20: wherein the primary active element is fixed and the reflecting device is movable - H01Q 3/2611: {Means for null steering; Adaptive interference nulling} - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract In one example embodiment, a magnetic shutter antenna is provided including at least one dipole magnet comprising a first end and a second end and at least one shutter of magnetically soft material comprising at least one opening and disposed proximate the first end of the at least one dipole magnet. The antenna further includes a motor coupled to the shutter and configured to move the shutter between a first closed position comprising the magnetic material being positioned adjacent the first end of the dipole magnet and a second open configuration comprising the opening being positioned adjacent the first end of the dipole magnet. Alternation between the first closed position and the second open position modulates a magnetic flux emitting from the first end of the at least one dipole magnet. ## Claims ### Claim 1 A magnetic shutter antenna comprising: at least one dipole magnet comprising a first end and a second end; at least one shutter of magnetically soft material comprising at least one opening and disposed proximate the first end of the at least one dipole magnet; and a motor coupled to the shutter, the motor configured to move the shutter between a first closed position comprising the magnetic material being positioned adjacent the first end of the dipole magnet and a second open configuration comprising the opening being positioned adjacent the first end of the dipole magnet, wherein alternation between the first closed position and the second open position modulates a magnetic flux emitting from the first end of the at least one dipole magnet. ### Claim 2 (depends on 1) The magnetic shutter antenna of claim 1 wherein the motor is adapted to rotate the at least one shutter to alternate the antenna between the first closed position and the second open position and modulate the magnetic flux emitting from the first end of the dipole magnet. ### Claim 3 (depends on 2) The magnetic shutter antenna of claim 2 wherein the at least one dipole magnet comprises a plurality of dipole magnets disposed in an array. ### Claim 4 (depends on 2) The magnetic shutter antenna of claim 2 wherein the at least one dipole magnet comprises a plurality of dipole magnets disposed in a radial array. ### Claim 5 (depends on 4) The magnetic shutter antenna of claim 4 wherein the radial array of dipole magnets comprises a center recess disposed between the plurality of dipole magnets. ### Claim 6 (depends on 5) The magnetic shutter antenna of claim 5 wherein the motor is disposed within the recess. ### Claim 7 (depends on 6) The magnetic shutter antenna of claim 6 wherein the at least one dipole magnet comprises at least two dipole magnets that form a magnetic component of the motor. ### Claim 8 (depends on 6) The magnetic shutter antenna of claim 6 wherein the at least one dipole magnet comprises at least two dipole magnets that form a component of the motor and the motor comprises at least one rotor configured to index grooves formed in an internal surface of the at least two dipole magnets. ### Claim 9 (depends on 1) The magnetic shutter antenna of claim 1 wherein the motor is adapted to translate the at least one shutter to alternate the antenna between the first closed position and the second open position and modulate the magnetic flux emitting from the first end of the dipole magnet. ### Claim 10 A magnetic shutter antenna comprising: at least one dipole magnet comprising a first end and a second end; a first shutter of magnetically soft material comprising at least one opening and disposed proximate the first end of the at least one dipole magnet; a second shutter of magnetically soft material comprising at least one opening and disposed proximate the second end of the at least one dipole magnet; and at least one motor coupled to the first and second shutters, the at least one motor configured to move the first and second shutters between a first closed position comprising the magnetic material of the first and second shutters being positioned adjacent the first and second ends of the at least one dipole magnet and a second open configuration comprising the openings of the first and second shutters being positioned adjacent the first and second end of the at least one dipole magnet, wherein alternation between the first closed position and the second open position modulates a magnetic flux emitting from the first and second ends of the at least one dipole magnet. ### Claim 11 (depends on 10) The magnetic shutter antenna of claim 10 wherein the motor is adapted to rotate the first and second shutters to alternate the antenna between the first closed position and the second open position and modulate the magnetic flux emitting from the first end of the dipole magnet. ### Claim 12 (depends on 11) The magnetic shutter antenna of claim 11 wherein the at least one dipole magnet comprises a plurality of dipole magnets disposed in an array. ### Claim 13 (depends on 11) The magnetic shutter antenna of claim 11 wherein the at least one dipole magnet comprises a plurality of dipole magnets disposed in a radial array. ### Claim 14 (depends on 13) The magnetic shutter antenna of claim 13 wherein the radial array of dipole magnets comprises a center recess disposed between the plurality of dipole magnets. ### Claim 15 (depends on 14) The magnetic shutter antenna of claim 14 wherein the motor is disposed within the recess. ### Claim 16 (depends on 15) The magnetic shutter antenna of claim 15 wherein the at least one dipole magnet comprises at least two dipole magnets that form a magnetic component of the motor. ### Claim 17 (depends on 15) The magnetic shutter antenna of claim 15 wherein the at least one dipole magnet comprises at least two dipole magnets that form a component of the motor and the motor comprises at least one rotor configured to index grooves formed in an internal surface of the at least two dipole magnets. ### Claim 18 (depends on 10) The magnetic shutter antenna of claim 10 wherein the motor is adapted to translate the at least one shutter to alternate the antenna between the first closed position and the second open position and modulate the magnetic flux emitting from the first end of the dipole magnet. ### Claim 19 A method of transmitting a signal with an antenna, the method comprising: providing a magnetic shutter antenna comprising: at least one dipole magnet comprising a first end and a second end; at least one shutter of magnetically soft material comprising at least one opening and disposed proximate the first end of the at least one dipole magnet; and a motor coupled to the shutter, the motor configured to move the shutter between a first closed position comprising the magnetic material being positioned adjacent the first end of the dipole magnet and a second open configuration comprising the opening being positioned adjacent the first end of the dipole magnet, controlling the motor to alternate the at least one shutter between the first closed position and the second open position modulates a magnetic flux emitting from the first end of the at least one dipole magnet. ### Claim 20 (depends on 19) The method of claim 19 wherein the operation of controlling the motor comprises controlling the motor to rotate or translate the at least one shutter between the first closed position and the second open position.