# US 2018/0025882 A1 · Connector device, communication device, and communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0025882 A1 - Document ID: US20180025882A1 - Status: Published application - Kind: A1 - Application number: 15/549,335 - Filed: 2015-12-10 - Published: 2018-01-25 - Earliest claimed: 2015-02-27 - Assignees: Sony Semiconductor Solutions Corporation - Applicants: Sony Semiconductor Solutions Corporation - Inventors: KENICHI KAWASAKI - Web page: https://patentgrep.com/patent/US20180025882A1 ## CPC - H01P 1/042: {Hollow waveguide joints} - H01J 23/54: Filtering devices preventing unwanted frequencies or modes to be coupled to, or out of, the interaction circuit; Prevention of high frequency leakage in the environment - H01P 1/04: Fixed joints - H01P 5/04: with variable factor of coupling - H04B 1/04: Circuits - H01P 5/022: {Transitions between lines of the same kind and shape, but with different dimensions} - H04B 5/22: Capacitive coupling - H04B 5/24: Inductive coupling - H01P: WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE (operating at optical frequencies G02B) - H01J: ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps H01T; electric arc lamps H05B31/00; particle accelerators H05H) - H04B: TRANSMISSION ## Abstract A connector device of the present disclosure includes two waveguides configured to transmit a radio-frequency signal, a state monitoring unit configured to monitor a connection state of the two waveguides, and a control unit that is provided on a side of the waveguide, which is on a transmission side to transmit a radio-frequency signal, between the two waveguides and that stops transmission of the radio-frequency signal according to the connection state of the two waveguides, the state being monitored by the state monitoring unit. ## Claims ### Claim 1 A connector device comprising: two waveguides configured to transmit a radio-frequency signal; a state monitoring unit configured to monitor a connection state of the two waveguides; and a control unit that is provided on a side of the waveguide, which is on a transmission side to transmit a radio-frequency signal, between the two waveguides and that stops transmission of the radio-frequency signal according to the connection state of the two waveguides, the state being monitored by the state monitoring unit. ### Claim 2 (depends on 1) The connector device according to claim 1, wherein the state monitoring unit is provided on the side of the waveguide on the transmission side. ### Claim 3 (depends on 1) The connector device according to claim 1, wherein the state monitoring unit monitors whether the connection state of the two waveguides is a state in which radio wave leakage is generated at a connection part thereof. ### Claim 4 (depends on 1) The connector device according to claim 1, wherein in a case where the connection state of the two waveguides is a state in which opening ends of the two waveguides are in contact with or adjacent to each other, a leakage prevention structure to prevent leakage of a radio wave from a connection part is provided at least on the side of the waveguide on the transmission side. ### Claim 5 (depends on 4) The connector device according to claim 4, wherein the leakage prevention structure has a choke structure provided at least in a peripheral part of the opening end of the waveguide on the transmission side. ### Claim 6 (depends on 5) The connector device according to claim 5, wherein a depth of a groove of the choke structure is ¼ of a wavelength of a radio frequency transmitted between the two waveguides. ### Claim 7 (depends on 1) The connector device according to claim 1, wherein the state monitoring unit includes a leakage detector configured to detect leakage of a radio wave from a correlation between a signal of a radio wave leaked at a connection part of the two waveguides and a signal transmitted between the two waveguides. ### Claim 8 (depends on 1) The connector device according to claim 1, wherein the state monitoring unit includes a distance detector configured to detect that a distance between the two waveguides exceeds a predetermined distance. ### Claim 9 (depends on 1) The connector device according to claim 1, wherein the state monitoring unit is provided on a side of the waveguide, which is on a reception side to receive a radio-frequency signal, and transmits a return control signal corresponding to a monitoring result to the control unit on the transmission side. ### Claim 10 (depends on 9) The connector device according to claim 9, wherein the return control signal is a radio-frequency signal. ### Claim 11 (depends on 1) The connector device according to claim 1, wherein the radio-frequency signal is a signal in a millimeter waveband. ### Claim 12 A communication device comprising: a connector device configured to transmit a radio-frequency signal to a different communication device including a waveguide, wherein the connector device includes a waveguide configured to transmit a radio-frequency signal to the waveguide of the different communication device, a state monitoring unit configured to monitor a connection state of the two waveguides between itself and the different communication device, and a control unit configured to stop transmission of the radio-frequency signal according to the connection state of the two waveguides, the state being monitored by the state monitoring unit. ### Claim 13 (depends on 12) The communication device according to claim 12, wherein the radio-frequency signal is a signal in a millimeter waveband. ### Claim 14 A communication system comprising: two communication devices; and a connector device configured to transmit a radio-frequency signal between the two communication devices, wherein the connector device includes two waveguides respectively provided in the two communication devices, a state monitoring unit configured to monitor a connection state of the two waveguides, and a control unit that is provided in the waveguide, which is on a transmission side to transmit a radio-frequency signal, between the two waveguides and that stops transmission of the radio-frequency signal according to the connection state of the two waveguides, the state being monitored by the state monitoring unit. ### Claim 15 (depends on 14) The communication system according to claim 14, wherein the radio-frequency signal is a signal in a millimeter waveband.