Abstract: An engine control system for an engine system with electromagnetically operated intake and exhaust valves has a control unit. The control unit is arranged to decide whether each of the intake and exhaust valves is put in an abnormal condition, to close a normal valve of the intake and exhaust valves when one of the intake and exhaust valves is put in the abnormal condition, and to stop the current-flowing to a primary ignition coil when one of the intake and exhaust valves is put in the abnormal condition and when the primary ignition coil is not starting the current-flowing.

Abstract: The invention provides a control apparatus for an engine driving motor having a function of driving a crankshaft of an engine and another function of generating electric power from power from the crankshaft by which an engine can be started up efficiently in a short time.

Abstract: When a pulse width limitation control is carried out, an air-fuel ratio feedback correction control such as O2 feedback or an A/F (air-fuel ratio) learning correction control is prohibited or limited. When the pulse width limitation control is carried out, various kinds of factors for carrying out a basic injection amount are made a prohibition condition or a limitation condition, and when other operation conditions arise, the operability is not damaged.

Abstract: An engine control system for an internal combustion engine comprises a combustion system for changing over a combustion mode from a first mode such as a stratified charge combustion mode to a second mode such as a homogeneous charge combustion mode, and an EGR system for controlling an EGR flow to the engine with an EGR control valve. A controller calculates a delayed target equivalent ratio which varies gradually from a first ratio for the first mode to a second ratio for the second mode, and further calculates a modified target equivalent ratio in consideration of an amount of an EGR gas. The controller determines the combustion changeover timing by monitoring a parameter based on the modified target equivalent ratio to take account of the influence of the EGR gas.

Abstract: A failure diagnosis apparatus for an internal combustion engine having an intake air swirl control valve, includes a broken wire detection unit, a target opening degree/actual opening degree deviation detection unit, an opening degree abnormally detection unit and a target opening degree execution abnormality detection unit. Outputs from these detection units are used to detect a failure of the swirl control valve which becomes a factor for inviting an aggravation of an operability such as a knocking etc.

Abstract: An engine fuel supply apparatus is provided with an accident judging device for effecting accident judgement in a fuel control system under the conditions that the fuel pressure regulator driver is subjected to feedback control of the fuel pressure, and that there is a change in the fuel pressure and the change continues for a predetermined time of period within a set time range.

Abstract: Disclosed is an apparatus for controlling the fuel injection quantity for an internal combustion engine. The apparatus includes an operating condition detecting unit for detecting the operating conditions of an internal combustion engine on the basis of the engine speed and the intake air amount or the internal pressure of an intake pipe, a purge control variable calculating unit for calculating the amount of the purge control on the basis of the detected operating conditions, an A/F ratio learning and calculating unit for learning the deviation from the desired A/F ratio control by inputting the effect of the disturbance due to the canister purge and performing the A/F ratio feedback control, a memory unit for storing the deviation learned by the calculating unit, and a fuel injection quantity calculation means unit for determining the fuel injection quantity by the amount of correction based on the result of the learned deviation and the A/F ratio deviation obtained by the A/F ratio control.

Abstract: A fuel injection control method controls the air-fuel ratio of the air-fuel mixture to be supplied to an internal-combustion engine provided in its exhaust system with an NOx reducing catalytic converter so that the NOx reducing catalytic converter is able to give full play to its ability. A first air-fuel mixture of a stoichiometric or a fuel-rich air-fuel ratio and a second air-fuel mixture of a lean-fuel air-fuel ratio are supplied alternately for predetermined time intervals respectively.

Abstract: A control apparatus of an internal combustion engine has: an air flow amount determining unit for determining a request intake air flow amount corresponding to a target output of an engine; a fuel flow amount determining unit for determining a request fuel flow amount to be supplied to the engine; an intake air amount limiting unit for outputting a predetermined limit value as an intake gas total amount value when the determined request intake air flow amount exceeds the predetermined limit value under a predetermined control condition; and a correcting unit for correcting the value of the request fuel flow amount so that the engine generates the target output on the basis of the request intake air flow amount and the limit intake air flow amount when the intake air amount of the engine is limited.

Abstract: An engine control unit is configured to detect the revolution of an engine and to obtain the intensity of both the first order component of revolution for every combustion (one cycle per combustion) and the second order component of revolution. The second order is twice as much as the first order component. The unit further obtains dispersion or deviation in these intensities. Thereby, it is possible to detect combustion conditions and to correct them to desirable conditions.

Abstract: An image-forming machine comprising a cassette for feeding sheet materials that moves between an acting position and a drawn position which is forwardly drawn from the acting position in the housing of the image-forming machine. Provision is made of a locking mechanism which reliably locks at a preset position a front width restriction member and a rear width restriction member of the cassette for feeding sheet materials. The locking mechanism includes a locking member, a resilient urging member and a forcing means. When the cassette for feeding sheet materials is at the drawn position, the resilient urging member urges the locking member to the release position and when the cassette for feeding sheet materials is moved toward the acting position, the forcing member forces the locking member to the locking position to lock the front width restriction member and the rear width restriction member.

Abstract: An engine control method and apparatus wherein a combustion state in each cylinder of an internal combustion engine is detected based on the fluctuation the rotating angular speed of an engine. A correction control is performed to make the combustion states in each of the cylinders uniform, followed by the base value for the purpose of correction control is obtained when the fluctuation in the rotating angular speed is small.

Abstract: A connector having a housing with a cavity, a terminal fixed in the housing and a resistance board. The resistance board has an elastic insulating board and a number of conductors which are provided in the insulating board such that each conductor shows on an upper surface and a lower surface of the insulating board. The resistance board is inserted in the cavity of the housing so as to lie on an end portion of a flexible cable. A signal-transmitting conductor of the flexible cable is electrically connected with the terminal via the conductors of the resistance board.

Abstract: Disclosed herein is a flexible wiring cable being provided on its forward end with a connecting portion to be connected with a connector, which comprises a base film, a wiring conductor provided on the base film, a dielectric member electrically connected with the wiring conductor in the connecting portion of the base film, and a ground electrode electrically connected with the dielectric member for forming a capacitor with the wiring conductor.

Abstract: A modular jack to be mounted on a circuit board, the modular jack having contactors which will come into contact with a plug and terminals which will be connected with printed wires on the circuit board. The contactors and the terminals are stamped out of a hoop and fixed in a body case of the modular jack. An end of the contactors and an end of the terminals are arranged nearby, and filter elements for eliminating noise are disposed between the nearby ends.

Abstract: A modular jack incorporating a varistor. The varistor reduces noise and surge (abnormal voltage) entering the modular jack, and thereby an electronic appliance such as a telephone connected with the modular jack is not affected by the noise and surge. The varistor is electrically connected between at least a pair of contact leads. Alternatively the varistor is electrically connected between the pair of contact leads and a grounding terminal. Further, the modular jack incorporates a common mode choke coil so as to obtain a common mode noise reduction effect.

Abstract: A triangular to sine wave converters has a first multiplier having inputs connected in the form of a square multiplier and receiving a triangular-wave input; a direct current bias shifting a parabolic wave output of the first multiplier to a negative polarity; and a second multiplier having an input Y receiving a shifting output of the direct current bias, the second multiplier having an output X receiving the triangular-wave input, whereby the second multiplier produces a cubic-wave output approximate to a sine wave.

Abstract: This data display system includes a wireless transmitter mounted on a vehicle. The wireless transmitter is used for transmitting a signal representative of data related to operation of the vehicle. A wireless receiver is mounted on a helmet worn by a driver of the vehicle. The receiver receives a transmitted data signal from the transmitter and generates an output signal. A power supply is mounted on the helmet, and comprises a solar cell and a secondary battery for supplying electric power to the receiver. Converter circuits are connected to an output stage of the wireless receiver for converting the output signal of the receiver into a light display signal of visible rays. A display and mirror are mounted on the helmet for projecting and displaying the display signal from the converter circuits in a forward visual field of the driver.

Abstract: Disclosed is a modular jack to be mounted on a circuit board, and the modular jack has a printed board containing a noise suppressing electronic element in a housing. The printed board is fitted with contactors for contacting with plugs and terminals to be used for mounting the modular jack on the circuit boad. The contactors and the terminals are electrically connected with the noise suppressing electronic element by wires on the printed board.

Abstract: A basic fuel injection pulse width value indicating an individual performance of an injector and an intake air flow amount value indicating an individual performance of an air flow sensor are prepared so as to memorize in plural memory areas in a store table, respectively. Deviations due to the basic fuel injection pulse width and deviations due to the intake air flow amount are memorized in the memory areas as learning values for controlling an air-fuel ratio, respectively. A corrected fuel injection pulse width is requested under the memorized learning values. An estimation learning is carried out at a first time learning. A first time learning value of the basic fuel injection pulse width is memorized in a whole area of the store table, and a first time learning value of the intake air flow amount is memorized in a corresponding area of the store table.