50 results about "Waveguide channel" patented technology

The present disclosure relates to an antenna layer (1) having a rear face (2) and a front face (3) and a method for producing an antenna layer (1). The antenna layer (1) comprises at least two waveguide channels (4) extending at the rear face (2), each comprising at least one waveguide hole (5) arranged at the front face (3) for transmitting and / or receiving signals. The waveguide channels (4) each comprise at least one radiation opening (6) which is arranged in the antenna layer (1) and which is interconnected to the waveguide aperture (5) by at least one radiation channel (7). A parting line (8) is arranged in the at least one radiation channel (7) between the rear face (2) and the front face (3), which parting line (8) is spaced apart from the at least one radiation opening (6) towards the at least one waveguide hole (5) by a distance (D) and preferably extends circumferentially within the at least one radiation channel (7). The present disclosure also relates to an antenna assembly (17) comprising the antenna layer (1) and an antenna arrangement (23) comprising the antenna assembly (17).

An antenna device for automotive radar applications includes a printed circuit board having a front face and a back face and an electronic component which is interconnected to the printed circuit board and an antenna layer having a front face and a back face, which back face is interconnected to the front face of the printed circuit board. At least one waveguide aperture is interconnected to the front face of the antenna layer and is communicatively connected to the electronic component by at least one waveguide channel, wherein the at least one waveguide channel comprises a conductive surface for guiding an electromagnetic field between the electronic component and is formed by a recess arranged between the back face of the antenna layer and the front face of the printed circuit board.

The invention provides a sound amplification device based on an M-H metamaterial and a sound transmission method using the sound amplification device, the sound amplification device at least comprises an upper shell, a lower shell and a waveguide located between the upper shell and the lower shell, and the waveguide is made of the Mie metamaterial; the waveguide comprises an outer wall, a plurality of sound wave inlets are formed in the outer wall, and the upper shell, the lower shell and the outer wall enclose a waveguide space; a through hole penetrating through the waveguide and the upper shell is formed in the waveguide space, and the through hole is a sound wave outlet in the sound amplification device; the waveguide comprises a plurality of fan parts which are arranged around the through hole in a circumferential radiation manner; a waveguide channel penetrating through the sound wave outlet and the sound wave inlet is formed between the adjacent fan parts; the control current of the sound source is determined by the size of the sound amplifying device and the scattering distribution condition of the sound amplifying device in different resonance modes, the sound at the sound wave outlet is larger than the sound at the sound source in energy level, and an included angle exists in the propagation direction. By determining the control current at the sound source which is most matched with the size of the sound amplifying device, the sound propagation control with low cost, high accuracy and wide application range is realized.

This invention discloses a method and device for detecting the load at the charging port of an electric vehicle charging pile, relating to the field of charging safety technology. The method includes: acquiring an electrical signal from the charging port; extracting a clean load response signal using a quantum noise-resistant processor based on Majorana fermion operators; inputting the clean load response signal into a pulse neural network autoencoder to generate a neural pulse sequence through a pulse firing mechanism; performing time-frequency domain transformation on the neural pulse sequence to reconstruct a complex impedance tensor, and solving the eigenvalue sequence of the complex impedance tensor; embedding the eigenvalue sequence into a five-dimensional anti-de Sitter space boundary based on the AdS / CFT duality principle, and generating a three-dimensional holographic tomographic map by solving the Einstein field equations relating the volume to the boundary; this invention achieves topological separation of noise and load signal through a Majorana zero-mode waveguide channel, solving the problem of insufficient high-frequency noise suppression in dynamic load scenarios.

The invention discloses a 3D waveguide type multi-core optical fiber link monitor which comprises an optical chip platform with n layers of stacked waveguide structures and a photoelectric detector, n is larger than or equal to 2, and the number n of waveguide layers of the optical chip platform is equal to the number of layers of connected multi-core optical fibers. The cross section distribution of waveguides in the optical chip platform and the cross section distribution of fiber cores of the multi-core optical fiber are the same and are in one-to-one correspondence; a waveguide channel corresponding to each fiber core of the multi-core optical fiber in the optical chip platform comprises an optical fiber signal coupling fan-out module, an optical signal beam splitting module, an optical signal monitoring module and a multi-core optical fiber signal coupling fan-in module which are connected in sequence; after an optical signal of a multi-core optical fiber transmitting end is coupled by the fan-out module, a small part of the signal is separated by the beam splitting module through a waveguide coupling effect and is used for monitoring, and most of the signal is transmitted back to a transmission link through the fan-in module; and the monitoring module realizes real-time detection through a photoelectric detector. According to the invention, no extra optical fiber fan-in / fan-out module is needed, the insertion loss is low, and the device is not sensitive to polarization.

The invention relates to the technical field of waveguide microwave probes, in particular to a terahertz-band waveguide microwave probe with a waveguide-coaxial conversion structure, which comprises an elastic needle tip, the elastic needle tip is positioned outside a waveguide cavity and is connected with one end of a coaxial cable, the other end of the coaxial cable is connected with a waveguide ball, and the waveguide ball is connected with the waveguide cavity. The coaxial cable extends into the main body from the outside of the waveguide cavity, a waveguide channel is arranged in the waveguide cavity, and the small waveguide ball is arranged at one end of the waveguide channel. The elastic needle point is connected to one end of the coaxial cable and is mainly used as a detection needle point to transmit a signal to the coaxial cable, and the other tail end of the elastic needle point is connected with the small waveguide ball and goes deep into the waveguide cavity to transmit a coaxial line signal to an internal waveguide channel.

The application provides a cooking assembly and a microwave oven. The cooking assembly is applied to the microwave oven. The cooking assembly has a cooking cavity. A cavity bottom wall of the cooking cavity is formed with a plurality of first microwave feed openings. The cooking assembly comprises a microwave generator and a waveguide channel. The microwave generator is used to generate microwaves. The waveguide channel is used to conduct the microwaves generated by the microwave generator to the cooking cavity through the plurality of first microwave feed openings. The waveguide channel comprises a plurality of standing waves arranged along the propagation direction of the microwaves. The cavity bottom wall is equally divided into a plurality of sub-zones along the propagation direction of the microwaves. The number of the sub-zones is the same as the number of the standing waves. At least one first microwave feed opening is arranged in each sub-zone. The center of each sub-zone is taken as the origin of the corresponding four quadrants. The first microwave feed openings of two adjacent sub-zones are arranged in pairs. The absolute value of the difference between the number of the quadrants in the sub-zone where the same pair of the first microwave feed openings is arranged is 2. The cooking assembly and the microwave oven provided by the application can improve the radiation efficiency.

The utility model provides a multimode resonant waveguide slot antenna structure and a waveguide radar, and the structure comprises a waveguide antenna which is provided with a waveguide channel; the waveguide channel comprises a waveguide input cavity, a waveguide power division cavity, a waveguide extension cavity and a multimode coupling window; the waveguide input cavity is vertically connected with the waveguide power division cavity; the plurality of waveguide extension cavities are in offset connection with the two ends of the waveguide power division cavity respectively, the waveguide power division cavity and the waveguide extension cavities are communicated through the multimode coupling window, and the opening of the multimode coupling window is smaller than the widths of the waveguide power division cavity and the waveguide extension cavities; and a plurality of radiation slots penetrate through the top of the waveguide channel. According to the utility model, the multimode coupling window is additionally arranged between the waveguide power division cavity and the waveguide extension cavity, and the opening width of the multimode coupling window is smaller than the widths of the waveguide power division cavity and the waveguide extension cavity, so that a dual-mode or multimode resonant mode is excited, and the bandwidth is greatly broadened; and the increase of manufacturing difficulty and cost caused by a complex power division structure or a power division network in the structural design is also avoided.

The utility model relates to a three-dimensional tunable coupling packaging structure based on a PPLN waveguide device. The three-dimensional tunable coupling packaging structure comprises a waveguide device internally provided with an installation cavity, a waveguide chip fixedly assembled in the installation cavity, and an optical fiber patch cord connector movably assembled in the installation cavity. The waveguide chip is provided with at least two waveguide channels, and the waveguide channels correspond to different polarization periods; and a position adjusting mechanism used for adjusting the position of the optical fiber patch cord connector so as to enable the axis of the optical fiber patch cord connector to be coaxially matched with each waveguide channel in a one-to-one manner to realize coupling is arranged in the mounting cavity. A user can realize matching wavelength adaptation in a larger range under the condition that a waveguide device is not replaced; therefore, high-conversion-efficiency output light of the corresponding matched wavelength is realized.

The utility model relates to the technical field of electromagnetic isolation efficient waveguide ventilation, in particular to an electromagnetic isolation efficient waveguide ventilation structure convenient to disassemble and assemble, which comprises a waveguide ventilation structure main body. The waveguide ventilation structure comprises a waveguide ventilation structure body and further comprises an isolation cover, a waveguide window assembly, a sealing ring and a connecting assembly, a mounting hole is formed in the lower end of the waveguide ventilation structure body, the isolation cover is fixed to the upper end of the waveguide ventilation structure body, a mounting window is formed in the lower end of the waveguide ventilation structure body, and the waveguide window assembly is connected to the inner side of the mounting window; according to the utility model, through precise sleeving of the waveguide window sleeve and the mounting window and stable connection of the limiting base and the bolt, the waveguide channel can be rapidly disassembled and assembled, and through arrangement of the copper foil electromagnetic isolation layer and the hexagonal waveguide channel, external electromagnetic interference is blocked while ventilation requirements are effectively guaranteed, and the ventilation effect is improved. The waveguide ventilation structure is convenient to disassemble and assemble, so that a user can operate more conveniently, the maintenance difficulty is effectively reduced, and the user experience is improved.

An integrated digital RF circuit system includes: a substrate, the substrate including a substrate integrated waveguide, the substrate integrated waveguide including a waveguide width, a first plurality of vias and a second plurality of vias; and a source circuit board including a waveguide channel, wherein: the waveguide channel is at least partially positioned between the first plurality of vias and the second plurality of vias; the waveguide channel defines a channel length and a channel width; the channel length is greater than the channel width; and the channel length is greater than the waveguide width.

The invention provides a topological interference power divider, a power control method and related equipment. The topological interference power divider comprises a dielectric substrate; the upper copper layer and the lower copper layer are arranged on the surface of the dielectric substrate; the valley photonic crystal structure is composed of triple symmetric apertures of periodic triangular lattices etched on the upper copper layer; the structure comprises A-type unit cells and B-type unit cells which are alternately arranged, the topological waveguide channel is a domain wall formed by the interface of the A-type unit cell and the B-type unit cell, and the channel comprises a plurality of branches which are intersected in a central area to form a coherent interference area; the input port and the output port are respectively arranged at the head end and the tail end of the topological waveguide channel; a matching network is arranged between each port and the channel and is used for realizing conversion between a conventional guided wave mode and a topological edge state; the modulation of the output power distribution ratio, the central working frequency or the transmission bandwidth of the topological interference power divider can be realized by regulating and controlling the topological edge state in the coherent interference region, and the flexibility and the reconstruction capability of power distribution are improved.

This invention discloses an ultra-low residual amplitude modulation waveguide-optical phase modulator, comprising a first electrode layer and a second electrode layer parallel to each other. An α-phase waveguide channel and a substrate layer are disposed between the first and second electrode layers. The optical axes of the α-phase waveguide channel and the substrate layer are both perpendicular to the plane of the first electrode layer. The difference between the thermo-optical coefficient of the α-phase waveguide channel and the thermo-optical coefficient of the substrate layer is less than a preset thermo-optical coefficient difference threshold. Part of the side of the α-phase waveguide channel is covered by the substrate layer. The electric field between the first and second electrode layers uniformly covers the entire α-phase waveguide channel and the substrate layer. The two ends of the α-phase waveguide channel serve as the input and output ends of the light beam, respectively. This invention, by changing the electric field application method and thermo-optical coefficient matching, fundamentally maintains the consistency of the interference phase, thereby significantly reducing the sensitivity of RAM signals to voltage and ambient temperature fluctuations.

This invention relates to the field of optical sensing technology, and more particularly to a metasurface waveguide array and spectral sensing system based on a silicon carbide substrate. The system includes a coupling modulation module, a waveguide transmission module, and a spectral analysis module. The coupling modulation module achieves multi-physics coupling modulation through the nonlinear coupling superposition principle of thermo-optic and electro-optic effects. The waveguide transmission module selectively activates waveguide channel combinations based on a neural network prediction model and dynamically optimizes transmission parameters through an online reinforcement learning algorithm. The spectral analysis module performs environmental compensation correction on spectral feature parameters and outputs the corrected recognition results. This invention innovatively combines multi-physics coupling modulation, intelligent waveguide channel selection, and environmental adaptive compensation technology, solving the problems of insufficient accuracy and poor adaptability of traditional spectral sensing systems in complex environments, and achieving high-precision, adaptive spectral sensing.

An antenna device (1) including a printed circuit board (2) and a thereon arranged electronic component (3). The antenna device (1) includes at least two individual antenna elements (12) which are interconnected to the electronic component (3) configured to transmit and receive a signal. The antenna elements (12) each include at least one waveguide channel (9) interconnecting in the antenna assembly (6). A first waveguide aperture (10) is arranged at a back face (16) of the antenna assembly (6). The first waveguide aperture (10) is interconnected to the electronic component (3) and configured to transmit and / or receive a signal. A second waveguide aperture (11) is arranged at a front face (17) of the waveguide assembly (6) and is also configured to transmit and / or receive a signal.

A rotatable circular waveguide structure is described that may include a circular waveguide segment configured to propagate electromagnetic radiation. The circular waveguide segment may enable transmission of data signals between portions of an electronic device, such as a chassis portion and a display portion, which may be rotatable relative to each other. The rotatable circular waveguide structure may include one or more circular waveguide segments routed through a hinge of the electronic device, and one or more rotatable junction points. The rotatable junction enables rotation of the circular waveguide segments relative to each other when the coupling portion of the electronic device is also rotated. The rotatable circular waveguide structure may replace the use of a data cable conventionally used to carry data signals between portions of an electronic device.

High-frequency device (1; 3; 5) with: - several rectangular waveguide tubes (11a-11e) for transmitting high-frequency signals, wherein the several rectangular waveguide tubes (11a-11e) have different lengths in their longitudinal direction, the lengths being adapted such that high-frequency signals are transmitted in the several rectangular waveguide tubes (11a-11e) in such a way that a phase ratio among the high-frequency signals at the input terminals of the several rectangular waveguide tubes (11a-11e) is maintained at the output terminals of the several rectangular waveguide tubes (11a-11e), wherein - each of the several rectangular waveguide tubes (11a-11e) has a waveguide passage, wherein the waveguide passages corresponding to the several rectangular waveguide tubes (11a-11e) are formed separately on the same plane, - each of the several rectangular waveguide tubes (11a-11e) has a rectangular cross-section that is cut perpendicular to the longitudinal direction of the waveguide tube, - the rectangular cross-section has a long side edge and a short side edge, - a length of the longitudinal side edge and a length of the short side edge are defined as a longitudinal side length (a1-a5) and as a short side length respectively, characterized in that - each of the longitudinal side lengths (a1-a5) of the multiple rectangular waveguide tubes (11a-11e) is determined on the basis of a conductor length of each rectangular waveguide tube such that the longitudinal side length (11a-11e) increases with decreasing conductor length in order to allow a conductor wavelength of the high-frequency signal in the waveguide tube to be shorter, and by each of the multiple rectangular waveguide tubes (11a-11e) having: - a metallic plate (10; 40; 50) on which grooves (14a-14e) are formed, having a depth corresponding to the short side length and a width corresponding to the long side length (a1-a5); and - a substrate (20) attached to the metallic plate (10) on a surface on which grooves (14a-14e) are formed, and having a mass pattern (25) at a position which covers the entire grooves (14a-14e), except for sections of a connecting surface to the metallic plate (10; 40; 50) in which the input terminals and the output terminals of the rectangular waveguide tubes are formed.

This application provides a sound amplification device based on M-H metamaterials and a sound propagation method utilizing them. The sound amplification device includes at least an upper shell, a lower shell, and a waveguide located between the upper and lower shells. The waveguide is made of Mie metamaterials. The waveguide includes an outer wall with multiple sound wave inlets. The upper shell, lower shell, and outer wall enclose and form a waveguide space. A through-hole is provided within the waveguide space, penetrating the waveguide and the upper shell, serving as the sound wave outlet in the sound amplification device. The waveguide includes multiple fan-shaped sections arranged circumferentially around the through-hole. A waveguide channel is formed between adjacent fan-shaped sections, connecting the sound wave outlet and the sound wave inlets. The control current of the sound source is determined by the size of the sound amplification device and the scattering distribution of the sound amplification device under different resonance modes. The sound energy level at the sound wave outlet is higher than that at the sound source, and the propagation direction has an angle. By determining the control current at the sound source that best matches the size of the sound amplification device, low-cost, high-precision, and widely applicable sound propagation control is achieved.

The present application relates to a kind of optical waveguide plate with vertical coupling structure and the production method of vertical coupling structure, optical waveguide plate is provided with vertical coupling structure and waveguide channel, vertical coupling structure is arranged at waveguide channel;The vertical coupling structure includes rectangular slot and spin coating in rectangular slot with inclined plane or concave photosensitive material, inclined plane or concave corresponds with waveguide channel, and inclined plane or concave can make optical waveguide vertical diversion, inclined plane or concave is also plated with gold film or dielectric high reflection film, and resin material is also spin coated in rectangular slot.The present application opens rectangular slot on glass-based waveguide plate, and spin coating photosensitive material in rectangular slot, obtains the inclined plane mirror or concave mirror that can make optical waveguide vertical diversion in rectangular slot using laser etching or gray scale lithography method, improves mirror reflectivity by plating gold film or dielectric high reflection film on inclined plane or concave, spin coating low refractive resin material in rectangular slot protects mirror, solves the process difficulty that glass-based waveguide plate itself is difficult to laser ablation.

The application discloses a construction of a magneto-optical photonic crystal waveguide and a nontrivial one-way bulk state robust transmission method. The waveguide can excite a reverse-handed one-way boundary state and a one-way bulk state with reverse transmission simultaneously by parameter design of a square magneto-optical photonic crystal waveguide. The reverse-handed one-way boundary state is absorbed by upper and lower boundary conditions with scattering boundary conditions. Under the strong light transmission restriction of the square magneto-optical photonic crystal, the one-way bulk state is limited in the strip to transmit in one direction, thereby avoiding being absorbed, so that the waveguide forms a nontrivial one-way bulk state. The structure is topologically protected, and the nontrivial one-way bulk state robust transmission with complete one-way conductivity of the waveguide channel is realized. Further, the controllability of the nontrivial one-way bulk state transmission frequency can be realized by adjusting the magnetic field strength. The application has wide application prospects in the fields of robust energy transmission, optical communication technology and integrated photonic circuit.

The invention relates to the technical field of space optical communication, in particular to a space optical communication-oriented lithium niobate waveguide array adaptive phase shaping method, which specifically comprises the following steps of: extracting a space phase matrix set and packaging to form an original phase sequence; calculating a phase change rate matrix sequence, and performing reconstruction processing on an original phase sequence to obtain a slowly-changed phase sequence; establishing a space mapping relation with a waveguide channel; calculating a target compensation phase sequence of each waveguide channel to obtain a channel compensation phase sequence of the calibrated array; forming a shaping light field time sequence by combining the light field amplitude sequence of each channel; and constructing a slowly varying reference phase matrix, calculating a phase deviation matrix of each period and setting a convergence index, performing convergence judgment in combination with an allowable phase deviation threshold, and outputting the shaping light field passing the convergence judgment as a final shaping light field. According to the invention, the problem that the physical response speed of the array is mismatched with the disturbance change rate in a slow turbulence scene in the prior art is solved.

The utility model provides a waveguide antenna port with an isolation structure and a waveguide antenna, and the waveguide antenna port comprises a waveguide antenna port which comprises an upper connection port and a matching port; the upper connecting port is communicated with the matching port, the upper connecting port is used for connecting a waveguide channel, and the matching port is used for connecting a chip waveguide port on a radio frequency chip; separating walls are arranged on the two sides of the matching port, and the inner walls of the separating walls are flush with the inner wall of the matching port. According to the utility model, the isolation wall is arranged on the waveguide antenna port, so that the transmission efficiency is ensured, the relatively high port isolation degree is also ensured, a certain height gap is allowed to exist between the waveguide antenna port and the waveguide chip port, and the reduction of the manufacturing precision is facilitated.

The invention discloses a K and Ka wide-frequency-band linear polarization four-port network device which comprises an integrally-formed metal body, waveguide cavities communicated with one another are formed in the metal body, and each cavity comprises a common waveguide channel extending in the axial direction of the metal body and a step-shaped main channel communicated with the common waveguide channel and provided with cascade steps on the inner wall. The side wall coupling holes are formed in the side wall of the wide edge of the step-shaped main channel, axially staggered and different in length, the lateral branch channels are communicated through the corresponding side wall coupling holes respectively, the T-shaped branch channel is communicated with the tail end of the step-shaped main channel, and the T-shaped branch channel is provided with at least two tail end branch channels extending outwards in the opposite directions. Cascade resonant cavities are formed in the lateral branch channels and the tail branch channels. Through the integrated cavity structure, high integration of polarization separation and frequency band separation is realized, the problems of high insertion loss, large volume and low reliability of traditional discrete device cascading are solved, and the broadband low-loss frequency divider has the characteristics of wide frequency band, low loss and excellent impedance matching.

The present disclosure provides a tunable waveguide attenuator comprising a base structure with a bottom wall, a first side wall, and a second side wall, wherein the first side wall and the second side wall are arranged on opposite sides of the bottom wall, and wherein the bottom wall, the first side wall, and the second side wall enclose a hollow waveguide channel on three sides. The tunable waveguide attenuator further comprises a movable cover for the hollow waveguide channel that on a surface facing the bottom wall comprises a first section and a second section with different surface loss properties, wherein the movable cover is movable such that the area of the hollow waveguide channel that is covered by the first section and the second section changes with the movement of the movable cover.

A sensing layer composition is provided. The sensing layer composition is particularly suited to be adhered to at least one side of one or more waveguide channels in / on a waveguide chip of an interferometric system. The sensing layer composition includes at least one polymeric receptor and at least one amino silane. Methods for preparing a test sample composition for detection as well as methods of detecting and quantifying one or more analytes using an interferometric sensing system are also provided.

The application discloses a waveguide switch device for microwave transmission, which comprises a stator and a rotor of a switch, the stator and the rotor are sleeved, at least two waveguide channels for microwave transmission are arranged around the periphery of the stator, a waveguide through channel for transmitting microwave is arranged on the rotor, the rotor is rotated, the waveguide through channel of the rotor is connected with or cut off the two waveguide channels of the stator, or when the waveguide channels are more than two, the switching of the waveguide channels is realized, when the two waveguide channels of the stator are connected in the horizontally placed state of the waveguide switch, the connection interfaces of the waveguide through channel in the rotor and the waveguide channels of the stator are relatively horizontal planes or conical planes, the horizontal plane or the conical plane facilitates the seamless contact of the periphery of the connection interfaces when the waveguide channels of the stator and the waveguide through channel of the rotor are connected. The application avoids the strict requirement of reserving a gap for the interface of the waveguide transmission channels of the stator and the rotor.

The invention relates to the field of communication radars, and discloses a strip line waveguide antenna and a vehicle-mounted radar, and the strip line waveguide antenna comprises three layers of metal sheet structures: a top layer metal sheet, a middle signal layer metal sheet and a bottom layer metal sheet; the top surface of the top-layer metal sheet is provided with a radiation slot array and long grooves at two sides. The three layers of metal sheets are fastened through screws to form a strip line waveguide channel, and the working mode is a TEM mode; the section size of the strip line waveguide is smaller than 1mm * 1mm, and the section size of the middle signal layer is smaller than 0.5 mm (width) * 0.3 mm (height). According to the invention, the problem of half-wavelength arraying is solved, grating lobes are eliminated, and meanwhile, the metal sheet structure replaces a plastic metallization process, so that SMT welding is omitted, the cost is reduced, and the consistency of mass production is improved.

The invention provides an onboard optical coupling device which is connected between two data processing devices. The onboard optical coupling device includes an optical waveguide having a plurality of alignment channel units and a plurality of waveguide channels. The first photonic device includes a plurality of first return channels and a first optical channel. The second photonic device includes a plurality of second return channels and a second optical channel. In the one-time alignment process, the multiple first optical channels and the multiple second optical channels are optically aligned with the corresponding waveguide channels, and meanwhile the first return channel and the second return channel are optically aligned with the alignment channel unit, so that the optical alignment efficiency is improved.

A waveguide including two waveguide parts. Each waveguide part has a waveguide body and a part of at least one waveguide channel, which are arranged such that they form the at least one waveguide channel when the two waveguide parts are joined together. The opposing surfaces of the two waveguide parts are configured in parallel. A pin is formed in the waveguide body of the first waveguide part, which projects in a direction of the second waveguide part. A recess receiving the pin is formed in the waveguide body of the second waveguide part. The pin and the recess are arranged coaxially relative to one another and the pin and the recess do not come into contact in the assembled state of the waveguide.

A rotatable circular waveguide structure is described that may comprise circular waveguide sections configured to propagate electromagnetic radiation. The circular waveguide sections may enable data signals to be transmitted between portions of an electronic device, such as a chassis and display portion, which may be rotatable with respect to one another. The rotatable circular waveguide structure may comprise one or more circular waveguide sections that are routed through a hinge of the electronic device, as well as one or more rotatable junctions. The rotatable junctions enable a rotation of circular waveguide sections with respect to one another as the coupled portions of the electronic device are also rotated. The rotatable circular waveguide structure may replace the use of data cables that are conventionally used to carry data signals between portions of an electronic device.