摘要:
A stripline filter includes a ground electrode, input and output electrodes, top-surface resonant lines, side-surface resonant lines, side-surface line portions, connection electrode portions, and top-surface line portions. The ground electrode is provided on the bottom side of a dielectric substrate. The input and output electrodes are provided on the bottom surface of the substrate so as to be separate from the ground electrode. The top-surface resonant lines are provided on the top surface of the substrate. The side-surface line portions, the connection electrode portions, and the top-surface line portions connect two of the top-surface resonant lines to the input and output electrodes. The line width of the two top-surface resonant lines is smaller than the line width of the remainder of the top-surface resonant lines.
摘要:
The element size of a stripline filter that achieves a high efficiency percentage with optional stable filter characteristics, is reduced. A stripline filter includes substantially L-shaped top surface resonant lines. The top surface resonant lines include connection electrode parts, first line parts, and second line parts. The connection electrode parts are formed so as to have a width greater than line widths of side surface resonant lines. Each line part faces an edge of a corner portion of a central top surface resonant line at an interval. An edge of each first line part on an edge side of a dielectric substrate, other than a connection portion with the connection electrode part, faces an edge of the dielectric substrate at an interval.
摘要:
The element size of a stripline filter that achieves a high efficiency percentage with optional stable filter characteristics, is reduced. A stripline filter includes substantially L-shaped top surface resonant lines. The top surface resonant lines include connection electrode parts, first line parts, and second line parts. The connection electrode parts are formed so as to have a width greater than line widths of side surface resonant lines. Each line part faces an edge of a corner portion of a central top surface resonant line at an interval. An edge of each first line part on an edge side of a dielectric substrate, other than a connection portion with the connection electrode part, faces an edge of the dielectric substrate at an interval.
摘要:
A plurality of flat-plate filter elements are placed on a pallet having a plurality of holding holes. Each of the filter elements includes a rear-principal-surface electrode pattern having a ground electrode provided on a rear principal surface and a front-principal-surface electrode pattern having a principal-surface electrode provided on a front principal surface. One of a first side surface and a second side surface of each of the filter elements is placed on a printing surface of the pallet. A first side-surface electrode pattern of a point-symmetric form in the side surfaces is formed on the side surfaces placed on the printing surface of the pallet. Then, the filter elements are vertically inverted, and a second side-surface electrode pattern having the same form as the first side-surface electrode pattern is formed on the side surfaces facing each other.
摘要:
Provided are stable hydrate crystals of 14.alpha.-hydroxy-4-androstene-3,6,17-trione having a biological activity of human placenta-originating estrodiene synthesis enzyme inhibitory action. These hydrate crystals include two kinds of 14.alpha.-hydroxy-4-androstene-3,6,17-trione hydrate crystals having a diffraction pattern having characteristic peaks at diffraction angles in crystalline powder X-ray diffraction. Processes for producing these hydrate crystals are also provided.
摘要:
In an antenna-sharing device, a transmission filter is electrically connected between a transmission terminal and an antenna terminal, and a reception filter is electrically connected between a reception terminal and the antenna terminal. A signal pattern and a ground electrode are formed on a resonator-mounting surface of a circuit substrate. On the ground electrodes, the resonators constituting the transmission filter are integrally soldered and the resonators constituting the reception filter are integrally soldered. On the mounting surface of the circuit substrate, a transmission filter ground electrode and a reception filter ground electrode are formed. Both ground electrodes are isolated from each other by a gap (slit), and are disconnected from each other.
摘要:
The provision of a one-way clutch having a high strength and a small size and manufactured significantly readily. The one-way clutch includes a casing for supporting a rotating shaft, and a clutch mechanism provided inside the casing. The clutch mechanism allows the shaft inserted in the casing to slide in the casing when the shaft is rotated in one direction and locks the sliding of the shaft when the shaft is rotated in the other direction. The casing 22 include a laminate of a bottom plate member 23a and a plurality of intermediate plate members 23b. Each of the plate members has a press-fit recess 31 extending on one surface, and a press-fit height 32 which extends on the other surface and is press-fitted into a corresponding press-fit recess 31 of an adjacent plate member.
摘要:
A shared-antenna device having a transmission circuit electrically connected between a transmission terminal and an antenna terminal, and a reception circuit electrically connected between a reception terminal and the antenna terminal. The transmission circuit is a variable-frequency band-stop filter circuit and the reception circuit is a variable-frequency bandpass filter circuit. Control-voltage supplying resistors are connected to the PIN diodes such that the DC voltages for individually controlling the PIN diodes are applied to the PIN diodes via only the resistors.
摘要:
Provided are stable hydrate crystals of 14.alpha.-hydroxy-4-androstene-3,6,17-trione having a biological activity of human placenta-originating estrodiene synthesis enzyme inhibitory action. These hydrate crystals include two kinds of 14.alpha.-hydroxy-4-androstene-3,6,17-trione hydrate crystals having a diffraction pattern having characteristic peaks at diffraction angles in crystalline powder X-ray diffraction. Processes for producing these hydrate crystals are also provided.
摘要:
A duplexer comprising: &lgr;/4-type dielectric coaxial resonators constituting a transmitting-side filter; &lgr;/4-type dielectric coaxial resonators constituting a receiving-side filter; and coupling elements for coupling said resonators; wherein the dielectric coaxial resonators constituting the transmitting-side filter and the dielectric coaxial resonators constituting the receiving-side filter are placed in parallel; and the open end surfaces of the dielectric coaxial resonators constituting the transmitting-side filter and the open end surfaces of the dielectric coaxial resonators constituting the receiving-side filter are disposed in opposite directions, and/or are alternately disposed side-by-side.