# US 9,438,314 B2 · Apparatus and method for wirelessly transmitting and receiving energy and data > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,438,314 B2 - Document ID: US9438314B2 - Status: Granted - Kind: B2 - Application number: 13/909,532 - Filed: 2013-06-04 - Published: 2013-10-03 - Granted: 2016-09-06 - Earliest claimed: 2010-12-17 - Assignees: Electronics and Telecommunications Research Institute - Applicants: Electronics and Telecommunications Research Institute - Inventors: Jung Ick Moon; In Kui Cho; Seong Min Kim; Je Hoon Yun; Woo Jin Byung; Kwang Seon Kim; Bong Su Kim; Min Soo Kang - Web page: https://patentgrep.com/patent/US9438314B2 ## CPC - H04B 5/79: for data transfer in combination with power transfer - H01Q 1/248: {provided with an AC/DC converting device, e.g. rectennas} - H01Q 21/28: Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} - H04B: TRANSMISSION - H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72) ## Abstract A method for wirelessly receiving energy and data, including: a resonation operation of resonating a first frequency power signal transmitted from a transmission apparatus; a reception operation of receiving a second frequency data signal transmitted from the transmission apparatus; a first matching operation of matching input/output impedance upon receiving the first frequency power signal; a rectification operation of rectifying impedance-matched power signal from the first matching operation into a DC current; a second matching operation of matching input/output impedance upon receiving the second frequency data signal; an oscillation operation of outputting a second frequency signal by using the first frequency signal output from the resonation operation, as a reference frequency; and a frequency mixing operation of mixing the impedance-matched data signal from the second matching operation with the signal output from the oscillation operation to restore a baseband data signal. ## Claims ### Claim 1 An apparatus for wirelessly receiving energy and data, comprising: a resonator to resonate a first frequency power signal transmitted from a transmission apparatus; a radiator to receive a second frequency data signal transmitted from the transmission apparatus; a first matching circuit to match input/output impedance for the first frequency power signal upon receiving the first frequency power signal; a rectifier to rectify an impedance-matched power signal from the first matching circuit into a DC current; a second matching circuit to match input/output impedance for the second frequency data signal upon receiving the second frequency data signal; an oscillator to output a second frequency signal by using a first frequency signal output from the resonator as a reference frequency; and a mixer to mix an impedance-matched data signal from the second matching circuit with a signal output from the oscillator to restore a baseband data signal. ### Claim 2 (depends on 1) The apparatus of claim 1, further comprising a load to consume the DC current rectified by the rectifier. ### Claim 3 (depends on 1) The apparatus of claim 1, further comprising a signal amplifier to amplify the impedance-matched data signal from the second matching circuit and provide the amplified data signal to the mixer. ### Claim 4 A method for wirelessly receiving energy and data, comprising: a resonation operation of resonating a first frequency power signal transmitted from a transmission apparatus; a reception operation of receiving a second frequency data signal transmitted from the transmission apparatus; a first matching operation of matching input/output impedance upon receiving the first frequency power signal; a rectification operation of rectifying impedance-matched power signal from the first matching operation into a DC current; a second matching operation of matching input/output impedance upon receiving the second frequency data signal; an oscillation operation of outputting a second frequency signal by using the first frequency signal output from the resonation operation, as a reference frequency; and a frequency mixing operation of mixing the impedance-matched data signal from the second matching operation with the signal output from the oscillation operation to restore a baseband data signal. ### Claim 5 (depends on 4) The method of claim 4, further comprising a signal amplification operation of amplifying the impedance-matched data signal, after the second matching operation. ### Claim 6 An apparatus for wirelessly receiving energy and data, comprising: a resonator to resonate a first frequency power signal transmitted from a transmission apparatus; a radiator to receive a second frequency data signal which is an integer multiple of the first frequency signal; a first matching circuit to match input/output impedance for the first frequency power signal upon receiving the first frequency power signal resonated by the resonator; a frequency multiplier to multiply the first frequency power signal resonated by the resonator into a second frequency signal of an integer multiple; a rectifier to rectify the impedance-matched power signal from the first matching circuit into a DC current; a second matching circuit to match input/output impedance for the second frequency data signal upon receiving the second frequency data signal received from the radiator; and a mixer to mix the impedance-matched data signal from the second matching circuit and a signal output from the frequency multiplier to restore a baseband data signal. ### Claim 7 (depends on 6) The apparatus of claim 6, wherein the resonator and the radiator are integrally configured. ### Claim 8 A method for wirelessly receiving energy and data, comprising: a resonation and reception operation of resonating and receiving a first frequency power signal transmitted from a transmission apparatus and a second frequency data signal obtained by integer-multiplying the first frequency signal; a first matching operation of matching input/output impedance upon receiving the resonated first frequency power signal; a rectification operation of rectifying the impedance-matched power signal from the first matching operation into a DC current; a frequency multiplication operation of multiplying the resonated first frequency power signal into a second frequency signal of an integer multiple; a second matching operation of matching input/output impedance upon receiving the received second frequency data signal; and a frequency mixing operation of mixing the impedance-matched data signal from the second matching operation with the signal multiplied in the frequency multiplication operation to restore a baseband data signal.