Abstract: An image sensor includes a pixel array including a first pixel and a second pixel which are connected to a same column line, the first pixel including 2N sub-pixels sharing a first floating diffusion node and the second pixel including 2N sub-pixels sharing a second floating diffusion node, wherein N is a positive integer greater than or equal to two, a timing generator configured to change a reset order and a readout order of 4N sub-pixels included in the first pixel and the second pixel, according to an exposure time setting value, and output a row address according to the changed orders, and a row driver configured to drive the pixel array based on the row address.

Abstract: An image sensor includes a pixel array; a logic circuit configured to convert an image signal generated from the pixel array during a first period into image data; and a memory. The image data may be written in the memory during a second period, of which at least a portion overlaps the first period. The logic circuit may write dummy data in the memory during a third period overlapping the first period and not overlapping the second period.

Abstract: An object is to reduce the required numbers of connector pins and A/D converters, without degrading the detection accuracy. There is provided an ignition apparatus which includes: ignition plugs provided for multiple cylinders; an ignition coil provided for each cylinder, and having a primary coil and a secondary coil magnetically coupled to the primary coil and connected to the ignition plug; switching devices each for switching between application and shut-off of current to the primary coil; a primary-voltage-signal separator provided for each cylinder, for inputting thereto a voltage of the primary coil and outputting the voltage as a primary signal; a primary-signal combiner for electrically combining together each primary signal corresponding to each cylinder, to thereby output a composite primary signal; and a primary-voltage-information detector for inputting thereto the composite primary signal, to thereby output primary voltage information of each cylinder.

Abstract: An image sensor includes a pixel array; a logic circuit configured to convert an image signal generated from the pixel array during a first period into image data; and a memory. The image data may be written in the memory during a second period, of which at least a portion overlaps the first period. The logic circuit may write dummy data in the memory during a third period overlapping the first period and not overlapping the second period.

Abstract: The internal-combustion-engine combustion state control apparatus includes an ignition control means that generates two or more ignition signals during a single compression stroke or a single combustion stroke of an internal combustion engine, a high voltage means that makes an ignition plug, provided in a combustion chamber of the internal combustion engine, perform an ignition discharge based on the ignition signal, an ignition-discharge parameter detection circuit that detects a parameter indicating a state of the ignition discharge, an ignition-discharge duration detection means that detects two or more ignition discharge durations, based on an output signal of the ignition-discharge parameter detection circuit, and an abnormal-combustion determination means that diagnoses a combustion state of the internal combustion engine, based on at least one of the two or more ignition discharge durations; an abnormal-combustion-suppression control means is made to operate based on the result of a determination by t

Abstract: An image sensor includes a pixel array; a logic circuit configured to convert an image signal generated from the pixel array during a first period into image data; and a memory. The image data may be written in the memory during a second period, of which at least a portion overlaps the first period. The logic circuit may write dummy data in the memory during a third period overlapping the first period and not overlapping the second period.

Abstract: An object is to reduce the required numbers of connector pins and A/D converters, without degrading the detection accuracy. There is provided an ignition apparatus which includes: ignition plugs provided for multiple cylinders; an ignition coil provided for each cylinder, and having a primary coil and a secondary coil magnetically coupled to the primary coil and connected to the ignition plug; switching devices each for switching between application and shut-off of current to the primary coil; a primary-voltage-signal separator provided for each cylinder, for inputting thereto a voltage of the primary coil and outputting the voltage as a primary signal; a primary-signal combiner for electrically combining together each primary signal corresponding to each cylinder, to thereby output a composite primary signal; and a primary-voltage-information detector for inputting thereto the composite primary signal, to thereby output primary voltage information of each cylinder.

Abstract: An ignition device for an internal combustion engine includes an ignition coil, a first switch, a secondary current adjuster, and controller The ignition coil includes a primary coil, a core, and a secondary coil. The first switch switches an energized state of the primary coil between an ON state and an OFF state. The secondary current adjuster adjusts a current value of a secondary current flowing through the secondary coil. The controller controls the secondary current adjuster so that a current value of the secondary current in at least a part of a charging period of the ignition plug, which is a period from when the energized state of the primary coil is switched from the ON state to the OFF state by the first switch to when dielectric breakdown occurs in the ignition plug, becomes smaller than a peak value of the secondary current after the dielectric breakdown occurs.

Abstract: An ignition device for an internal combustion engine includes an ignition coil, a first switch, a secondary current adjuster, and controller. The ignition coil includes a primary coil, a core, and a secondary coil. The first switch switches an energized state of the primary coil between an ON state and an OFF state. The secondary current adjuster adjusts a current value of a secondary current flowing through the secondary coil. The controller controls the secondary current adjuster so that a current value of the secondary current in at least a part of a charging period of the ignition plug, which is a period from when the energized state of the primary coil is switched from the ON state to the OFF state by the first switch to when dielectric breakdown occurs in the ignition plug, becomes smaller than a peak value of the secondary current after the dielectric breakdown occurs.

Abstract: An image sensor includes a pixel array; a logic circuit configured to convert an image signal generated from the pixel array during a first period into image data; and a memory. The image data may be written in the memory during a second period, of which at least a portion overlaps the first period. The logic circuit may write dummy data in the memory during a third period overlapping the first period and not overlapping the second period.

Abstract: The invention provides an internal combustion engine combustion state detecting device such that ascertaining a combustion state using ionic current detection is carried out accurately over a wide operating range of an internal combustion engine. The internal combustion engine combustion state detecting device includes a spark plug that has a central electrode and a grounding electrode opposing across a gap, and a discharge stopping-induced current detecting device that estimates an induced current caused by a stopping of a spark discharge generated in the gap between the central electrode and the grounding electrode, wherein an ionic current detection threshold is set to a threshold value that is not affected by the induced current using the induced current estimated by the discharge stopping-induced current detecting device.

Abstract: To provide a control device, of an internal combustion engine, that accurately identifies the combustion state through ion current detection in a wide operation range of the internal combustion engine, without impairing the reliability and the durability of the control device of the internal combustion engine. This internal combustion engine control device includes: an ignition plug having a center electrode and a ground electrode opposed to each other with a gap therebetween; a circulation device for short-circuiting a primary winding to cause a circulation route to enter a conduction state, thereby stopping spark discharge; and an ion-current-detection bias voltage control device for controlling bias voltage for ion current detection. The potential of the center electrode in an ion current detection period is controlled by adjusting the value of the bias voltage and the changing speed of the bias voltage.

Abstract: To provide a controller and a control method for an internal combustion engine capable of suppressing causing erroneous determination of combustion state even if noise component is superimposed on the ion current. In combustion state determination processing which determines combustion state of each combustion based on ion current, a controller for an internal combustion engine calculates a minimum value of ion current during a processing period, and prohibits determination of combustion state at a time point when the minimum value of ion current is below a preliminarily set determination prohibition threshold value.

Abstract: To provide a control device, of an internal combustion engine, that accurately identifies the combustion state through ion current detection in a wide operation range of the internal combustion engine, without impairing the reliability and the durability of the control device of the internal combustion engine. This internal combustion engine control device includes: an ignition plug having a center electrode and a ground electrode opposed to each other with a gap therebetween; a circulation device for short-circuiting a primary winding to cause a circulation route to enter a conduction state, thereby stopping spark discharge; and an ion-current-detection bias voltage control device for controlling bias voltage for ion current detection. The potential of the center electrode in an ion current detection period is controlled by adjusting the value of the bias voltage and the changing speed of the bias voltage.

Abstract: There is provided an internal combustion engine control apparatus that is capable of determining accurately from an ignition discharging time period whether the intake valve and the exhaust valve are in the operative condition or in the inoperative condition. A cylinder deactivation controller causes a first ignition controller to perform a first ignition control on the basis of the ignition timing when issuing no cylinder deactivation request, and causes a second ignition controller to perform a second ignition control on the basis of an energizing time period when issuing the cylinder deactivation controller. The discharging time period is calculated by a discharging time period calculation section on the basis of an ion current signal output from the ignition coil.

Abstract: The invention provides an internal combustion engine combustion state detecting device such that ascertaining a combustion state using ionic current detection is carried out accurately over a wide operating range of an internal combustion engine. The internal combustion engine combustion state detecting device includes a spark plug that has a central electrode and a grounding electrode opposing across a gap, and a discharge stopping-induced current detecting device that estimates an induced current caused by a stopping of a spark discharge generated in the gap between the central electrode and the grounding electrode, wherein an ionic current detection threshold is set to a threshold value that is not affected by the induced current using the induced current estimated by the discharge stopping-induced current detecting device.

Abstract: The ignition control device includes a spark plug that includes a first electrode and a second electrode disposed so as to oppose each other, an ignition coil that includes a plurality of sets of a primary coil and a secondary coil, generates a high voltage in the secondary coil by energizing or interrupting a primary current supplied to the primary coil, and applies the generated high voltage to the first electrode, and a control unit that, in a case where a plurality of the primary coils are driven during a single ignition process, temporarily stops energization of a primary current supplied to a second primary coil when a primary current supplied to a first primary coil is interrupted, and re-energizes the primary current supplied to the second primary coil following the elapse of an energization stoppage period.

Abstract: An internal-combustion-engine combustion state detecting apparatus is configured in such a way as to include a circulation unit that short-circuits a primary winding so as to form a circulation path including the primary winding, while a spark discharge is produced in an ignition plug, and a circulation current control unit that controls a circulation current flowing in the circulation path and in such a way that based on an ion current detected by an ion current detection apparatus, the combustion state of an inflammable fuel-air mixture is detected.

Abstract: To provide a controller and a control method for an internal combustion engine capable of suppressing causing erroneous determination of combustion state even if noise component is superimposed on the ion current. In combustion state determination processing which determines combustion state of each combustion based on ion current, a controller for an internal combustion engine calculates a minimum value of ion current during a processing period, and prohibits determination of combustion state at a time point when the minimum value of ion current is below a preliminarily set determination prohibition threshold value.

Abstract: An internal-combustion-engine combustion state detecting apparatus is configured in such a way as to include a circulation unit that short-circuits a primary winding so as to form a circulation path including the primary winding, while a spark discharge is produced in an ignition plug, and a circulation current control unit that controls a circulation current flowing in the circulation path and in such a way that based on an ion current detected by an ion current detection apparatus, the combustion state of an inflammable fuel-air mixture is detected.