Abstract: A high-frequency composite component is provided by placing an antenna on a multi-layer wiring board, placing a multiplexer/demultiplexer circuit, first and second matching circuits, and first and second balanced-to-unbalanced transformer circuits inside the board respectively, and providing first to fourth input and output terminals on the side surface of the board. The antenna is connected to the multiplexer/demultiplexer circuit via a first unbalanced line path, and the multiplexer/demultiplexer is connected to the first and second matching circuits via second and third unbalanced line paths, respectively. The first and second matching circuits are connected to the first and second balanced-to-unbalanced transformer circuits, respectively, via fourth and fifth unbalanced line paths, respectively.

Abstract: The problem of interference and coupling between circuits that arises in reducing the size of a voltage-controlled oscillator by using low temperature co-fired ceramics (LTCC) substrate technology is alleviated. A voltage-controlled oscillator includes an amplifier 11; a surface acoustic wave device 15 that forms a feedback circuit for the amplifier; a frequency adjuster 14 that is provided in the feedback circuit and has a filter configuration; a phase shifter 13 including a hybrid coupler having an additional controller that receives a control voltage from an external source and changes a phase in an oscillation loop; an equal power distributor 12 that equally distributes output power in the oscillation loop and outputs the power to the outside of the oscillation loop; and a delay line 16 concentratedly provided in a place where coupling or interference does not occur in the oscillation loop for correcting a phase condition in the oscillation loop.

Abstract: A voltage controlled oscillator is provided. The oscillator includes a surface acoustic wave element for forming a feedback circuit for an amplifier, and a phase adjustment circuit including a filter which is interposed in the feedback circuit. The oscillator also has a phase shifter including a hybrid coupler to which an additional control part is attached for changing a phase value within an oscillation loop with a control voltage supplied from an external source. An equal power divider equally distributes output power within the oscillation loop and supplies the output power outside the oscillation loop. A multi-layer board is used for mounting the amplifier, surface acoustic wave element, phase adjustment circuit, phase shifter, and equal power divider in at least two separate layers.

Abstract: An oscillator is provided that can be flexibly retrofitted to become usable for a wide range of applications, that is compatible with different users'requests, and that enables a user to design a high-frequency unit using the oscillator without concerns. The oscillator includes a SAW resonator and an oscillation unit provided in the form of an integrated circuit. The SAW resonator and oscillation unit are encapsulated in the same package and then sealed. The whole oscillator is thus provided in the form of a module. The oscillation circuit includes a first adjustment terminal with which a current flowing through a current source is adjusted externally. A resistor offering a desired resistance is connected between the first adjustment terminal and a ground terminal, whereby a negative resistance can be adjusted. Moreover, a second adjustment terminal with which a current flowing through a current source in an amplification circuit is included.

Abstract: A surface acoustic wave element 1, an amplifier 2, a phase shifter 3, a phase adjustment circuit 4, and an equal power divider 5 are disposed in multiple layers of a multi-layer board.

Abstract: The invention relates to a sensor provided with a magnet (52) and a magnetic detecting element (53) comprising a detection shaft (38a), a detection disc (59a) which is fixed to the detection shaft, a magnetic piece (59b) which is fixed to the outer circumference edge of the detection disc, a yoke (59c) which is disposed to hold the magnetic piece in a predetermined shaped gap, and the magnet and the magnetic detecting element both fixed to the yoke. The sensor is used for a drive force auxiliary device which combines a human power drive force and a motor drive force. The drive force auxiliary device comprises a torque sensor (30), a vehicle speed detecting means (40) for detecting a running speed of the drive force auxiliary device, and an auxiliary power means using a motor (M). The vehicle speed detecting means (40) detects a running speed by virtue of the drive force auxiliary device based on a rotation position signal obtained from a rotor rotation position detector.

Abstract: A driving force auxiliary device for combining a manpower drive force and a motor drive force comprises a manpower drive unit, an auxiliary power drive unit, and a leg power detecting means, wherein the manpower drive unit has a first one-way clutch and an elastic body 16 for transmitting a turning force disposed on a crank shaft to transmit a manpower drive force to an output, gear 17, a motor drive force of the auxiliary power drive unit is added to the manpower drive means at the outer periphery of the crank shaft via a second one-way clutch, and the leg power detecting unit includes first and second rotor members 31, 32 disposed at the front and rear of the elastic body 16, a pair of bevel gears 33, 34 which is interconnected with the first and second rotor members 31, 32 respectively, a bevel gear 35 is disposed to be engaged between the bevel gears 33, 34, an output shaft 37 which is fixed with and intersected at right angles with a supporting shaft 36 for supporting the bevel gear 35, and a sensor 38 c

Abstract: A control system for and exhaust retarder in and exhaust pipe of an engine to which a mixer and throttle valve are connected including terminating means for terminating fuel feed into the engine upon receipt of an exhaust retarder shutter operation signal, an oxygen richness sensor on the exhaust pipe and a control system for operating an actuator for the exhaust retarder shutter when sensed oxygen density in the exhaust pipe deviates from a predetermined oxygen range.

Abstract: The present invention relates to a governor device for an internal combustion engine where a portion of the engine output is taken off as driving force for vehicle mounted accessory equipment which requires constant speed rotation with changes in load. By controlling the intake air quantity passing through a bypass passage which bypasses a mixing device for mixing fuel and intake air at a predetermined ratio, controlling a sub-throttle valve provided in an intake passage in series with a main throttle valve, and controlling a supply quantity of auxiliary gas fuel so that a detected air-fuel ratio is constant, the engine output is increase/decrease controlled in spite of changes in load in accessory equipment, to give constant engine rotational speed and good operability of an auxiliary power take-off device.

Abstract: An improved slow release oxamide fertilizer comprising an oxamide powder bonded by polyvinyl alcohol in a ratio of 0.2-10 weight parts of polyvinyl alcohol per 100 weight parts of oxamide is disclosed. The oxamide fertilizer is in the shape of spherical particles having an average minor diameter of 2 to 5 mm, and not less than 70% of total numbers of the particles have shapes in a ratio of major diameter to minor diameter of 1 to 1.3. The oxamide fertilizer has a respose angle not greater than 39.degree..

Abstract: A dual air conditioner having a pair of air conditioning units for front and rear seats within the compartment of a vehicle adjusts the temperatures of air output to the front and rear seats in accordance with the difference between the temperature desired at one of the front and rear seats and a typical temperature sensed within the compartment corrected by a function of the difference between desired temperatures in order to condition the front and rear seats to the respective desired temperatures.

Abstract: An air conditioner system for an automotive vehicle is provided with a main and an auxiliary cooling unit for discharging cooling air to respective front and rear portions of the vehicle compartment. The main and auxiliary cooling units operate to control air flow amounts independently of each other. A main control switch for controlling the amount of cooling air from the main cooling unit cooperates with a pair of auxiliary cooling unit switches to control the auxiliary cooling unit. One member of the pair of auxiliary cooling unit switches is provided adjacent the driver's seat and the other adjacent the rear seat for turning the auxiliary cooling unit on and off. The auxiliary cooling unit can be controlled by either one of the pair of switches as long as the main control switch is on.

Abstract: A structure for fitting a tank in an engine compartment of a vehicle body comprises a bracket for fixing the tank at its top portion relative to the vehicle body, and means for positioning the tank at its bottom portion in its longitudinal and lateral directions relative to the vehicle body.