Abstract: A lock device is achieved, which can prevent a battery, for supplying power to a microcomputer of an electronic control unit, from going flat by reducing the consumption power of the microcomputer, said lock device provided with a lock mechanism which holds an opening-and-closing body, for an opening in a vehicle body, an electronic control unit which operates in a microcomputer normal power mode or a microcomputer power-saving mode; and an open-state detector which detects the state of the lock mechanism. The electronic control unit transfers from the microcomputer normal power mode to the microcomputer power-saving mode when the open-state detector detects that the lock mechanism continuously remains at one of the opening state, the half-latched state and the fully-latched state for a predetermined period of time when operating during the microcomputer normal power mode.

Abstract: An opening/closing-body drive device is achieved, in which a malfunction, caused by the electrical contacts of the relay switch freezing, can be reliably prevented from occurring. The control unit 60 includes a freeze determiner 61 which determines that the relay switch(es) is frozen when an opening/closing-body drive motor 27a does not drive a specified amount in accordance with opening/closing operational conditions of a back door 3 and when the temperature of the control unit 60 that is detected by a temperature detector 80 is lower or equal to a predetermined value; and a freeze releaser 62 which releases a frozen state of the relay switch(es) by intermittently supplying electric current for a predetermined number of times to the relay switch(es) without supplying a drive current to said opening/closing-body drive motor 27a, when said freeze determiner 61 determines that the relay switch(es) is frozen.

Abstract: An opening/closing-body drive device is achieved, in which a malfunction, caused by the electrical contacts of the relay switch freezing, can be reliably prevented from occurring. The control unit 60 includes a freeze determiner 61 which determines that the relay switch(es) is frozen when an opening/closing-body drive motor 27a does not drive a specified amount in accordance with opening/closing operational conditions of a back door 3 and when the temperature of the control unit 60 that is detected by a temperature detector 80 is lower or equal to a predetermined value; and a freeze releaser 62 which releases a frozen state of the relay switch(es) by intermittently supplying electric current for a predetermined number of times to the relay switch(es) without supplying a drive current to said opening/closing-body drive motor 27a, when said freeze determiner 61 determines that the relay switch(es) is frozen.

Abstract: A lock device is achieved, which can prevent a battery, for supplying power to a microcomputer of an electronic control unit, from going flat by reducing the consumption power of the microcomputer, said lock device provided with a lock mechanism which holds an opening-and-closing body, for an opening in a vehicle body, an electronic control unit which operates in a microcomputer normal power mode or a microcomputer power-saving mode; and an open-state detector which detects the state of the lock mechanism. The electronic control unit transfers from the microcomputer normal power mode to the microcomputer power-saving mode when the open-state detector detects that the lock mechanism continuously remains at one of the opening state, the half-latched state and the fully-latched state for a predetermined period of time when operating during the microcomputer normal power mode.

Abstract: A contact detection apparatus that allows faster detection and a pinch prevention apparatus equipped with such a detection apparatus are provided. The contact detection apparatus includes a first electrode (430) made of a flexible conductive material and extending throughout a contact detection range, a second electrode (440) apart from the first electrode and extending on the back side of the first electrode, and detection means for detecting contact of an object with the first electrode based on the capacitance of the first electrode. The first electrode is made of a conductive resin containing an embedded conductor.

Abstract: An opening/closing control method for a window regulator, which is a method of performing opening/closing control with a pinching prevention function while determining a detection signal from a sensor based on a threshold value. The method includes setting the threshold value as a value offset from a reference value for control, and updating the reference value in correspondence to a value of the detection signal from the sensor in an initial stage of control, and each time when the value of the detection signal from the sensor continuously changes in a certain time within a range where the value of the detection signal from the sensor does not exceed the threshold value, the reference value is modified by a value corresponding to such a changed value.

Abstract: It is intended to realize a signal input method which makes it possible to add another method to an existing method later in a simple manner as well as an opening/closing controller which employs two methods and can be constructed by adding another method to an existing method in a simple manner. A signal processing circuit (5) is inserted in an auto signal path of a control circuit (1) which performs opening/closing control with a pinch preventing function on the basis of an auto signal (AUTO), a close signal (UP), and an open signal (DOWN) which are input via respective signal paths. The auto signal and a detection signal of an additional pinch sensor are input to the control circuit via the signal processing circuit in the form of serial signals.

Abstract: A safety device for power window comprises a storage unit for storing the pulse width change rate of continuous pulses detected by a pulse width detector during a window glass raising operation at a reference timing, a calculation unit for calculating the pulse width change rate of continuous pulses detected by the pulse width detector during a window glass raising operation at an operational timing and a control unit for comparing the stored value of a pulse width change rate with the calculated value of a pulse width change rate and driving a motor for raising/lowering window glass in a window opening direction when a total of differences between the both pulse change rates exceeds an allowable value.

Abstract: A safety device for a power window is achieved, which considers variation in capacitance during raising of a window glass, and considers variation in capacitance due to a use situation so as to reduce a possibility of false operation.

Abstract: A contact detection apparatus that allows faster detection and a pinch prevention apparatus equipped with such a detection apparatus are provided. The contact detection apparatus includes a first electrode (430) made of a flexible conductive material and extending throughout a contact detection range, a second electrode (440) apart from the first electrode and extending on the back side of the first electrode, and detection means for detecting contact of an object with the first electrode based on the capacitance of the first electrode. The first electrode is made of a conductive resin containing an embedded conductor.

Abstract: A safety device for power window, which generates pulses by rotation of a raising/lowering motor for raising or lowering a window glass of a power window for vehicle, and determines occurrence of pinching of a foreign substance from change in pulse width during closing operation of a window, and thus reverses window operation into window opening operation, is obtained, wherein false determination due to variation in voltage of a battery hardly occurs.

Abstract: It is intended to realize a signal input method which makes it possible to add another method to an existing method later in a simple manner as well as an opening/closing controller which employs two methods and can be constructed by adding another method to an existing method in a simple manner. A signal processing circuit (5) is inserted in an auto signal path of a control circuit (1) which performs opening/closing control with a pinch preventing function on the basis of an auto signal (AUTO), a close signal (UP), and an open signal (DOWN) which are input via respective signal paths. The auto signal and a detection signal of an additional pinch sensor are input to the control circuit via the signal processing circuit in the form of serial signals.