Abstract: In a polarization angle adjusting mechanism for an antenna apparatus constructed of a supporting base and a transmitter/receiver apparatus equipped with a primary antenna at a right end portion thereof formed in an integral form, the primary antenna being located at a focal portion of an antenna, the supporting base has a cylindrical bearing for receiving a rotation shaft of the transmitter/receiver apparatus at a left end portion thereof, and also a plurality of subdivided projections are provided on this shaft receiving plane along a circumferential direction. On the other hand, projections and grooves fitted to a plurality of projections provided on the supporting base, which can be inserted among these plural grooves, are provided in the circumferential surface of the rotation shaft of the transmitter/receiver apparatus.

Abstract: A branching filter for a transmitter-receiver which is used in a microwave band comprising an orthogonal-mode transducer (waveguide branching filter), a reception filter comprising a band-eliminating filter 4 which is connected to the extension of the center axis of the waveguide of the orthogonal-mode transducer, and a transmission filter comprising a high pass filter containing a cut off waveguide which is directly and orthogonally connected to the orthogonal-mode transducer. The parts of the branching filter for the transmitter-receiver are integrally manufactured as one body by a lost wax process. Therefore, the branching filter for the transmitter-receiver can be manufactured as a compact-size single body having no patch or linking portion.

Abstract: A radio transceiver having an integrated transmitter and receiver for transmitting and receiving microwaves or higher frequency electromagnetic waves is one of a series of device products corresponding to different transmission output power capacities. In this invented series of device products, a radio transceiver which is of a minimum size to meet its transmission output power requirement without an amplifier is composed of entirely standardized basic components, a transmission module, a reception module, and a transmission and reception shared circuit which are housed in a heat radiating housing case irrespective of different transmission output power requirements. Corresponding to the transmission output power requirement, a power amplifier is added to the basic components.

Abstract: A composite microwave circuit module assembly has a dielectric substrate which is formed by a lower layer, an intermediate layer and an upper layer. The lower layer and the upper layer include a lower ground surface and an upper ground surface, respectively, and the intermediate layer includes a radio frequency signal circuit formed by an active circuit element and a passive circuit element. A number of via-holes filled with metal are arranged along the radio frequency signal circuit to short-circuit the upper ground surface and the lower ground surface so as to shield the radio frequency signal circuit. An element mounting cavity is disposed on the intermediate layer with a portion of dielectric above the intermediate layer being removed, and the active circuit element is mounted on an element mounting land in the cavity. The cavity is covered by a conductor plate member.

Abstract: In a branching filter, a transmit filter (14) is divided into first and second transmit filter parts (17, 18). A waveguide branching filter (15) is divided into first and second branching filter parts (19, 20). A receive filter (16) is divided into first and second receive filter parts (21, 22). The first transmit filter part is assembled with the second branching filter part and the second receive filter part. The second branching filter part is assembled with the second receive filter part. The first branching filter part is assembled with the first receive filter part. Alternative assembly is possible. As a further alternative, an installation hole may be formed in the branching filter for removable installation of a cable and be covered with a cover with a packing interposed for hermetic seal and waterproofing.

Abstract: A process for producing a protein-rich fish meal and a fish oil which comprises treating fish bodies with a protease acting at a relatively low temperature to give a slurry and dividing and drying said slurry at a relatively low temperature. The products thus obtained scarcely undergo thermal denaturation and contain a large amount of partially decomposed protein. Thus they are highly useful as a protein source for, e.g., feeds, baits and pet foods.

Abstract: In a microwave connector assembly for electrical connection of adjacent ones of microwave circuit components, an internal conductor is accommodated in a cavity formed by an external conductor member and is supported by an insulator support member within the cavity. The internal conductor is operable as a leaf spring and elastically brought into contact with a pair of contacts fixed to radio frequency terminals of the adjacent microwave circuit components. The external conductor member may be formed either by a base plate for mounting the circuit components or by a conductive case which is covered with a conductive cap and which is located in an opening of the base plate. A print board may mechanically be attached to the base plate so as to supply a bias voltage to each circuit component through bias terminals thereof.

Abstract: An aqueous preparation containing vitamin E prepared by emulsifying or solubilizing vitamin E in an aqueous phase in the presence of a saponin shows excellent transparency and thermal stability, and can be widely used in the fields of medicines, cosmetics, foodstuffs, animal feeds and the like. Quillaiasaponin is the preferred saponin.