摘要:
A technique is proposed for reducing leakage electromagnetic field that reduces the electromagnetic leakage from a connection point between a communication coupler and a signal transmission apparatus and that can conduct both communication and transmission of electric power. The signal transmission apparatus includes: a first sheet conductive body portion constituting a lower portion electrode; and a second sheet conductive body portion in a mesh shape which is laminated on the first sheet conductive body portion while a gap area is sandwiched therebetween and which includes an uneven mesh size area on which a sheet impedance is continuously changed.
摘要:
A technique is proposed for reducing leakage electromagnetic field that reduces the electromagnetic leakage from a connection point between a communication coupler and a signal transmission apparatus and that can conduct both communication and transmission of electric power. The signal transmission apparatus includes: a first sheet conductive body portion constituting a lower portion electrode; and a second sheet conductive body portion in a mesh shape which is laminated on the first sheet conductive body portion while a gap area is sandwiched therebetween and which includes an uneven mesh size area on which a sheet impedance is continuously changed.
摘要:
A communication medium includes: a first sheet conductor portion; a second sheet conductor portion that is arranged facing the first sheet conductor portion; and a conductor portion that surrounds an end part of the first sheet conductor portion and an end part of the second sheet conductor portion. The second sheet conductor portion includes: a shield part that has no opening part; a communication power feed part that has opening parts; and a matched line part that is provided between the shield part and the communication power feed part, and impedance of which matches with the shield part and the communication power feed part. The conductor portion surrounds the end part of the shield part.
摘要:
An object is to provide a compact interface apparatus capable of receiving electric power, supplying electric power, or/and performing communication on a communication sheet while reducing the influence of a standing wave. A power receiving apparatus (100) that receives electric power from a electromagnetic-wave propagation sheet (10) includes a first conductor section (110) and a second conductor section (120) that couple with an electromagnetic wave propagating through the electromagnetic-wave propagation sheet (10) and thereby receive electric power. The first and second conductor sections (110 and 120) are arranged so that the interval in a first direction between one end of the first conductor section (110) and one end of the second conductor section (120) in the first direction is no less than 2λ/14 and no greater than 5λ/14, where λ is the effective wavelength of the electromagnetic wave propagating through the electromagnetic-wave propagation sheet (10).
摘要:
A communication medium includes: a first sheet conductor portion; a second sheet conductor portion that is arranged facing the first sheet conductor portion; and a conductor portion that surrounds an end part of the first sheet conductor portion and an end part of the second sheet conductor portion. The second sheet conductor portion includes: a shield part that has no opening part; a communication power feed part that has opening parts; and a matched line part that is provided between the shield part and the communication power feed part, and impedance of which matches with the shield part and the communication power feed part. The conductor portion surrounds the end part of the shield part.
摘要:
Provided is a polychloroprene latex extremely superior in adhesion properties.According to the present invention, chloroprene or a mixture of chloroprene and a monomer copolymerizable with chloroprene is polymerized in the presence of a surfactant in an aqueous medium, in which the surfactant's concentration is lower than its critical micelle concentration (CMC) to obtain a polychloroprene latex. The polychloroprene latex produced according to the present invention is extremely superior in adhesion properties and others and give a smaller amount of deposits during production.
摘要:
A lever mechanism for connector fitting 1 includes a hold part 2 for holding a connector housing 4, and a handle part 3. When the handle part 3 is rotated and the connector housing 4 is thereby inserted into the connector housing 5, an engaging projection 24 is caused to retreat from the inner surface of a side plate 21 toward the connector housing 4, thereby removing the holding of the connector housing 4 by the hold part 2.
摘要:
A wireless communication device (100) includes a first casing (10) and a second casing (20), and is switched between at least a first state and a second state by displacement of the first casing (10) and the second casing (20). The first casing (10) includes a first conductor (15) and a conductor element (36a) connected thereto. The second casing (20) includes a second conductor (25), and is connected to the first casing (10) so as to be rotationally displaceable with respect to each other around a perpendicular axis. In a first state, an opposite region (241) in the second conductor (25) and the conductor element (36a) are located at positions opposite to each other, and the conductor element (36a) and the second conductor (25) allow electrical conduction to each other at a predetermined frequency. In a second state, the electrical conduction state is different from that in the first state.
摘要:
Provided is a surface communication apparatus that includes: propagation sheet through which electromagnetic waves are propagated; an electromagnetic wave transmission unit disposed on a surface of propagation sheet to transmit the electromagnetic waves to propagation sheet, and an electromagnetic wave reception unit disposed on the surface of propagation sheet to receive the electromagnetic waves propagated through propagation sheet. The electromagnetic wave transmission unit includes an electromagnetic wave generator, and a transmission electromagnetic wave coupler that couples electromagnetic waves generated by the electromagnetic wave generator with propagation sheet. The electromagnetic wave reception unit includes a reception electromagnetic wave coupler that couples the electromagnetic waves propagated through propagation sheet, and an electromagnetic wave output unit that outputs the electromagnetic waves coupled by the reception electromagnetic wave coupler. Propagation sheet has a periodic structure that sets wavelengths of the electromagnetic waves propagated through propagation sheet to be longer than the length of propagation sheet in its extending direction.
摘要:
A liquid ejecting head and a recording device are disclosed. The head includes a fluid channel member and a piezoelectric substrate on the fluid channel member. The fluid channel member includes chambers, each having a diamond shape with two obtuse angle portions and two acute angle portions. In a plan view, the chambers are arranged in a matrix, and aligned in directions of a row and of a column. The substrate includes a first electrode, a piezoelectric body and second electrodes. Each of the second electrodes includes a main electrode and a lead-out portion. The main electrode overlaps with the respective chamber, and is located inside the chamber in the plan view. The lead-out electrode includes: a first end which overlaps with the respective chamber; and a second end located outside the chamber and located in a region that does not overlap with the column in the plan view.