Abstract: A head-up display device includes a display unit for displaying information, a reflector rotatably supported by frame members fixed to a vehicle, and an adjuster for adjusting a rotational position of the reflector by a gearing system. The information displayed on the display unit is reflected by the reflector to a projection area on a vehicle windshield. The adjuster so adjusts the rotational position to allow a vehicle driver to see both a front view through the windshield and a superimposed reflected image of the information. The head-up display device further includes a regulator to allow the reflector to rotate in a rotational direction within a range where the reflector is adjustable by the adjuster, and to prevent the reflector from shifting in a direction other than the rotational direction.

Abstract: A display system has a display unit and a reflector which are disposed in an instrument panel of an automotive vehicle. The display unit emits an image that is reflected by the reflector, and the image is projected on a windshield of the vehicle via an opening of the instrument panel. The display system superposes the image on a foreground seen from the vehicle such that a diver of the vehicle can recognize the superposed image and the foreground via the windshield simultaneously. The display system includes a shutter device disposed between the display unit and the opening. The shutter device is transformable to pass indication beams of the emitted image through the opening in conformity with a size of the emitted image.

Abstract: A head-up display device includes a display unit for displaying information, a reflector rotatably supported by frame members fixed to a vehicle, and an adjuster for adjusting a rotational position of the reflector by a gearing system. The information displayed on the display unit is reflected by the reflector to a projection area on a vehicle windshield. The adjuster so adjusts the rotational position to allow a vehicle driver to see both a front view through the windshield and a superimposed reflected image of the information. The head-up display device further includes a regulator to allow the reflector to rotate in a rotational direction within a range where the reflector is adjustable by the adjuster, and to prevent the reflector from shifting in a direction other than the rotational direction.

Abstract: A display system has a display unit and a reflector which are disposed in an instrument panel of an automotive vehicle. The display unit emits an image that is reflected by the reflector, and the image is projected on a windshield of the vehicle via an opening of the instrument panel. The display system superposes the image on a foreground seen from the vehicle such that a diver of the vehicle can recognize the superposed image and the foreground via the windshield simultaneously. The display system includes a shutter device disposed between the display unit and the opening. The shutter device is transformable to pass indication beams of the emitted image through the opening in conformity with a size of the emitted image.

Abstract: A display source unit for a display device in a vehicle is provided, by which the driver is not given a physical or mental oppressive feeling to his or her head upon getting on and off the vehicle. The display source unit 9, which irradiates a light of a display image containing instrument information on a combiner 7 situated in front of an eye point I so that the irradiated light can be seen as a virtual image S from the eye point I, is provided with a cover member 13 consisting of: a front cover body 15 putting an optical element 21 for image magnification thereonto; and a rear cover body 17 hinged to the front cover body 15 with receiving a display device 23 therein. The cover member 13 is folded, thereby the light of the display image displayed on a display surface 23a of the display device 23 is reflected on a reflector 25 disposed in the cover member 13 to the optical element 21, passes through the optical element 21, and goes toward the eye point I after being reflected by the combiner 7.

Abstract: The apparatus moves back a combining screen into a dashboard of a vehicle when the combining screen is not used. The combining screen is used for receiving an image emitted from a displaying device to superpose the image on a foreground of the vehicle such that the superposed image is visible for a driver's eye. The displaying device is disposed in the dashboard. The combining screen is positioned above the dashboard and inclined by a predetermined angle relative to an upward direction of the vehicle at its operational position. The apparatus has an outer moving means for moving the combining screen along a straight line between an operational position and an intermediate position and has an inner moving means for moving the combining screen along a curve between the intermediate position and a stored position in the dashboard. The intermediate position is located in the dashboard and above the displaying device.

Abstract: A system switch comprises an operation switch constituted by a mode switch and low-ranking switches of the mode switch; a display unit; and a control unit. The control unit makes the display unit display the operation switch, interprets the function of the operation switch at that time, and outputs a control signal for executing the function of the operation switch at that time when the operation switch is operated.

Abstract: In the developed state of the combiner 13, the first arm 19 extends along a vertical line passing the center of gravity G of the combiner 13, and the second arm 21 and the third arm 23 are aligned on and extended along a line which couples the rear end of the base member 17 and the other end 19b of the first arm 19 and tilts from the vertical direction toward the horizontal direction so that the combiner 13 is arranged in front of the eye point I at a tilting angle of reflecting the image light of the displayed image emitted from the display device of the projector unit 9 toward the eye point I of the driver 3. In such a configuration, the virtual image of the displayed image on the combiner which is to be visually recognized from the eye point can be visually recognized stable with no shaking in a vehicle which is susceptible to the vibration from the road face.

Abstract: In the on-vehicle display unit 5, an indicated image on an indication surface 51a of the display 51 is reflected by a semi-transparent mirror 55 to be directed above a dashboard 1 through a window 59b formed in a cover plate 59a disposed on an upper surface 1a of the dashboard 1. Thereby, the image is projected on a windscreen 3. The semi-transparent mirror 55 is moved in a longitudinal direction of the vehicle, so that the vertical position of a projection point P1 or P3 of the image S1 or S3 on the windscreen 3 is changed such that the image is superimposed over the foreground at which a driver of the vehicle is looking. The cover plate 59a is supported by a cover support construction 59c so as to be movable in a longitudinal direction of the vehicle relative to the upper surface 1a of the dashboard 1.

Abstract: A system switch comprises an operation switch constituted by a mode switch and low-ranking switches of the mode switch; a display unit; and a control unit. The control unit makes the display unit display the operation switch, interprets the function of the operation switch at that time, and outputs a control signal for executing the function of the operation switch at that time when the operation switch is operated.

Abstract: The apparatus moves back a combining screen into a dashboard of a vehicle when the combining screen is not used. The combining screen is used for receiving an image emitted from a displaying device to superpose the image on a foreground of the vehicle such that the superposed image is visible for a driver's eye. The displaying device is disposed in the dashboard. The combining screen is positioned above the dashboard and inclined by a predetermined angle relative to an upward direction of the vehicle at its operational position. The apparatus has an outer moving means for moving the combining screen along a straight line between an operational position and an intermediate position and has an inner moving means for moving the combining screen along a curve between the intermediate position and a stored position in the dashboard. The intermediate position is located in the dashboard and above the displaying device.

Abstract: A system switch comprises an operation switch constituted by a mode switch and low-ranking switches of the mode switch; a display unit; and a control unit. The control unit makes the display unit display the operation switch, interprets the function of the operation switch at that time, and outputs a control signal for executing the function of the operation switch at that time when the operation switch is operated.

Abstract: In the developed state of the combiner 13, the first arm 19 extends along a vertical line passing the center of gravity G of the combiner 13, and the second arm 21 and the third arm 23 are aligned on and extended along a line which couples the rear end of the base member 17 and the other end 19b of the first arm 19 and tilts from the vertical direction toward the horizontal direction so that the combiner 13 is arranged in front of the eye point I at a tilting angle of reflecting the image light of the displayed image emitted from the display device of the projector unit 9 toward the eye point I of the driver 3. In such a configuration, the virtual image of the displayed image on the combiner which is to be visually recognized from the eye point can be visually recognized stable with no shaking in a vehicle which is susceptible to the vibration from the road face.

Abstract: A display source unit for a display device in a vehicle is provided, by which the driver is not given a physical or mental oppressive feeling to his or her head upon getting on and off the vehicle. The display source unit 9, which irradiates a light of a display image containing instrument information on a combiner 7 situated in front of an eye point I so that the irradiated light can be seen as a virtual image S from the eye point I, is provided with a cover member 13 consisting of: a front cover body 15 putting an optical element 21 for image magnification thereonto; and a rear cover body 17 hinged to the front cover body 15 with receiving a display device 23 therein. The cover member 13 is folded, thereby the light of the display image displayed on a display surface 23a of the display device 23 is reflected on a reflector 25 disposed in the cover member 13 to the optical element 21, passes through the optical element 21, and goes toward the eye point I after being reflected by the combiner 7.

Abstract: In the on-vehicle display unit 5, an indicated image on an indication surface 51a of the display 51 is reflected by a semi-transparent mirror 55 to be directed above a dashboard 1 through a window 59b formed in a cover plate 59a disposed on an upper surface 1a of the dashboard 1. Thereby, the image is projected on a windscreen 3. The semi-transparent mirror 55 is moved in a longitudinal direction of the vehicle, so that the vertical position of a projection point P1 or P3 of the image S1 or S3 on the windscreen 3 is changed such that the image is superimposed over the foreground at which a driver of the vehicle is looking. The cover plate 59a is supported by a cover support construction 59c so as to be movable in a longitudinal direction of the vehicle relative to the upper surface 1a of the dashboard 1.

Abstract: When an operational unit is inclined in an X- or Y-direction, an universal support mechanism and a rotation angle detection mechanism are used to detect the inclined direction and angle. The detection results are supplied to a computer system (not shown). When the operational unit is pushed down at the neutral position, a push detection switch detects it. The detection result is also supplied to the computer system. In addition, a rotation angle detection switch 10 detects rotation of the operational unit about a Z-axis. The detection result is supplied to the computer system.

Abstract: While a power source is being supplied from a sub-battery by a voltage-current change trend calculating section, the voltage-current change trend calculating section collects currents from a battery and terminal voltages. A voltage-current approximate straight line calculating section obtains an approximately linear function, and a battery residual capacity calculating section obtains a residual capacity voltage based upon the approximately linear function and open-circuit voltages. A current storage stop discriminating section integrates the currents while the residual capacity voltage is lower than a previous residual capacity voltage, and when supplying from the sub-battery is stopped, obtains total capacity according to the open-circuit voltages at the stop and supplying and according to the integrated currents.

Abstract: A voltage sensor detects a terminal voltage of a battery connected to a load and a current sensor detects a current flowing through the load. A voltage-current changing tendency calculation unit reads a detected voltage and a detected current detected by the voltage sensor and the current sensor and outputs, every predetermined period of time, plural data of the detected voltage and the corresponding detected current as dispersed data. A voltage-current approximating line calculation unit inputs the dispersed data and determines, based on the dispersed data, a voltage-current approximating linear function each time the predetermined period of time. A battery remaining capacity calculation unit determines, each time the voltage-current approximating linear function is determined, a remaining capacity of the battery based on the voltage-current approximating linear function.

Abstract: The apparatus and method of the present invention measure the remaining capacity of a battery connected to a fluctuating load. The apparatus senses dispersive terminal voltages and dispersive discharge currents from the battery, and samples the sensed terminal voltages and discharge currents. On the basis of the sampled terminal voltages and discharge currents, the apparatus calculates a watt-hour value of the battery for a predetermined time interval, and checks whether the calculated watt-hour value reaches a predetermined value. If the calculated watt-hour value reaches the predetermined value, the apparatus calculates an approximate linear function indicative of a trend of the sampled terminal voltages and discharge currents, and calculates a voltage corresponding to a reference discharge current in accordance with the calculated approximate linear function as a remaining capacity voltage.