GB2435919A - Vehicle lamp assembly with variable illuminating direction - Google Patents

Vehicle lamp assembly with variable illuminating direction Download PDF

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Publication number
GB2435919A
GB2435919A GB0604566A GB0604566A GB2435919A GB 2435919 A GB2435919 A GB 2435919A GB 0604566 A GB0604566 A GB 0604566A GB 0604566 A GB0604566 A GB 0604566A GB 2435919 A GB2435919 A GB 2435919A
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United Kingdom
Prior art keywords
default
lamp unit
control
driving
lamp
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Granted
Application number
GB0604566A
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GB2435919B (en
GB0604566D0 (en
Inventor
Sheng-Lung Wu
Chien-Hung Lee
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Sheng-Lung Wu
Chien-Hung Lee
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Application filed by Sheng-Lung Wu, Chien-Hung Lee filed Critical Sheng-Lung Wu
Priority to GB0604566A priority Critical patent/GB2435919B/en
Publication of GB0604566D0 publication Critical patent/GB0604566D0/en
Publication of GB2435919A publication Critical patent/GB2435919A/en
Application granted granted Critical
Publication of GB2435919B publication Critical patent/GB2435919B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangements or adaptations of optical signalling or lighting devices
    • B60Q1/02Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely controlled from inside vehicle
    • B60Q1/08Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely controlled from inside vehicle automatically
    • B60Q1/12Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely controlled from inside vehicle automatically due to steering position
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangements or adaptations of optical signalling or lighting devices
    • B60Q1/02Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely controlled from inside vehicle
    • B60Q1/08Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely controlled from inside vehicle automatically
    • B60Q1/12Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely controlled from inside vehicle automatically due to steering position
    • B60Q1/124Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely controlled from inside vehicle automatically due to steering position by mechanical means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangements or adaptations of optical signalling or lighting devices
    • B60Q1/02Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/18Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights being additional front lights
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/10Indexing codes relating to particular vehicle conditions
    • B60Q2300/11Linear movements of the vehicle
    • B60Q2300/116Vehicle at a stop
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/10Indexing codes relating to particular vehicle conditions
    • B60Q2300/12Steering parameters
    • B60Q2300/122Steering angle

Abstract

A vehicle lamp assembly includes a transmission axle (21) coupled to a lamp unit (3), and a drive unit (22) for driving the transmission axle (21) to rotate such that the lamp unit (3) is movable to a selected one of a default position, where the illuminating direction of the lamp unit (3) is parallel to a vehicle axis, and left and right limit positions, where the illuminating direction forms left and right limit angles with the vehicle axis, respectively. A detecting device (4) generates a default position signal when the lamp unit (3) is at the default position. A control device (5) is operable to control the drive unit (22) for restoring the lamp unit (3) to the default position with reference to the default position signal, and for moving the lamp unit (3) according to angular displacement of a vehicle steering linkage system (7).

Description

<p>1 2435919</p>
<p>LAMP ASSEMBLY WITH VARIABLE ILLUMINATING DIRECTION</p>
<p>The invention relates to a vehicle lamp assembly, more particularly to a vehicle lamp assembly with variable illuminating direction.</p>
<p>Vehicles are generally equipped with fog lights, which are capable of long range illumination to assist drivers in viewing road conditions during heavy rain, thick fog, or at night. Fog lights are usually fixed to a front end of a vehicle and only illuminate an area directly in front of the vehicle. Hence, effectiveness of the fog lights is seriously diminished when the vehicle is moving along a winding road.</p>
<p>Therefore, the object of the present invention is to provide a lamp assembly capable of variable illuminating direction according to the steering direction of a vehicle so as to overcome the above</p>
<p>drawback associated with the prior art.</p>
<p>Accordingly, a lamp assembly of this invention is adapted for use with a vehicle that includes a steering linkage system, and comprises a base, a lamp unit, a driving device, a detecting device, anda control device.</p>
<p>The driving device is mounted to the base, and includes a transmission axle that is coupled to the lamp unit, and a drive unit for driving the transmission axle to rotate in opposite first and second directions relative to the base such that the lamp unit is movable to a selected one of a default position, where the lamp unit has an illuminating direction parallel to a vehicle axis, and left and right limit positions, where the illuminating direction of the lamp unit forms left and right limit angles with thevehicle axis, respectively.</p>
<p>The detecting device includes a detected component providedonthe transmissionaxle, andadefault sensing component provided on the base and cooperating with the detected component so as to generate a default position signal when the lamp unit is at the default position.</p>
<p>The control device is coupled to the driving device and the detecting device, and is operable soas to control the driving device to restore the lamp unit to the default position with reference to the default position signal from the detecting device. The control device is adapted to be coupled to the steering linkage system, and is further operable in response to user manipulation of the steering linkage system so as to control the driving device to move the lamp unit according to angular displacement of the steering linkage system.</p>
<p>Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiment with reference to the accompanying drawings, of which: Figure 1 is a perspective view to illustrate a vehicle steering linkage system and the preferred embodiment of a lamp assembly according to the present invention; Figure 2 is a schematic circuit block diagram of the preferred embodiment; Figure 3 is a schematic side view of the preferred embodiment; Figure 4 is a schematic front view of the preferred embodiment; and Figure 5 is a fragmentary perspective view to illustrate a detecting device of the preferred embodiment.</p>
<p>ReferringtoFiguresland2, thepreferredembodiment of a lamp assembly according to the present invention is shown to be adapted for use with a vehicle (not shown) that includes a steering linkage system 7. The steering linkage system 7 is manipulated by a vehicle driver to steer the vehicle in a conventional manner, and includes a steering rod 71, a drive gear 72 fixed to the steering rod 71, a driven gear 73 meshing with the drive gear 72, and a variable resistor 74 connected coaxially to the driven gear 73. The resistance of the variable resistor 74 varies with the angular displacement of the steering rod 71. The lamp assembly comprises a pair of bases 1 (only one is shown in Figure 1) , a pair of lamp units 3, apairof driving devices 2, apairof detecting devices 4 (only one is shown in Figure 2) , and a control device 5.</p>
<p>With further reference to Figures 3 and 4, each of the bases 1 confines a compartment 11. Each base 1 may be mounted under a front vehicle bumper or on a front end of a vehicle roof according to the vehicle type to optimize the illuminating effect.</p>
<p>Each of the driving devices 2 is mounted in the compartment 11 of a respective one of the bases 1, and includes a transmission axle 21 and a drive unit 22.</p>
<p>The transmission axle 21 has one end that extends out of the respective base 1 for coupling fixedly with a respective one of the lamp units 3. The drive unit 22 is used to drive the transmission axle 21 to rotate in opposite first and second directions (e.g., clockwise and counterclockwise directions) relative to the respective base 1 such that the respective lamp unit 3 is movable to a selected one of a default position, where the respective lamp unit 3 has an illuminating directionparallel toavehicle axis, and left and right limit positions, where the illuminating direction of the respective lamp unit 3 forms left and right limit angles with the vehicle axis, respectively. In this embodiment, the drive unit 22 includes a motor 221, a drive gear 222 coupled to and driven by the motor 221, and a driven gear 223 coupled to the transmission axle 21 and driven by the drive gear 221 through a speed-reducing gear unit 23 that meshes with the drive and driven gears 222, 223 and that includes a set of speed-reducing gears 231. The transmission axle 21 thus rotates at a slower speed in view of the speed-reducing gear unit 23.</p>
<p>With further reference to Figure 5, each of the detecting devices 4 includes a detected component 41 provided on the transmission axle 21 of a respective one of the driving devices 2, and a default sensing component 42 provided in the compartment 11 of a respective one of the bases 1. The default sensing component 42 cooperates with the detected component 41 so as to generate a default position signal (DPsignal) when the respective one of the lamp units 3 is at the default position. In this embodiment, the default sensing component 42 includes a known optical sensor, and the detected component 41 includes a light shield detected by the optical sensor when the respective lamp unit 3 is at the default position. Each detecting device 4 further includes left and right limit sensing components 43 mounted in the compartment 11 and having the respective transmission axle 21 disposed therebetween. Each of the left and right limit sensing components 43 cooperates with the detected component 41 so as to generate a limit position signal when the respective lamp unit 3 is at a corresponding one of the left and right limit positions. In this embodiment, each of the left and right limit angles formed by the illuminating direction of the lamp unit 3 relative to the vehicle axis when the lamp unit 3 is at the left or right limit position is at least 90 degrees, and each of the left and right limit sensing components 43 includes a contact switch that is contacted by the detected component 41 when the respective lamp unit 3 is at the corresponding one of the left and right limit positions. One of the detecting devices 4 further includes a speed detector 44 that is adapted to detect vehicle speed and to generate a vehicle speed signal corresponding to the vehicle speed detected thereby.</p>
<p>Referring once again to Figures 1 and 2, the control device 5 is coupled to the driving devices 2, the detecting devices 4, and the variable resistor 74 of the steering linkage system 7, and includes a controller 51, a signal generator 52, a state setting unit 53, and a control panel 54. The controller 51 receives the default position signals, the limit position signals, and the vehicle speed signal, and is operable so as to control the driving devices 2 to restore the lamp units 3 to the default position with reference to the default position signals from the default sensing components 42 of the detecting devices 4. Moreover, by referring to the limit position signals received from the left and right limit sensing components 43 of the detecting devices 4, the controller 51 is able to control the driving devices 2 to stop continued rotation of the transmission axles 21 in one of the first and second directions when the lamp units 3 reach the corresponding one of the left and right limit positions. The signal generator 52 is coupled to the variable resistor 74 of the steering linkage system 7, and is adapted to generate an angular displacement signal indicative of the angular displacement of the steering rod 71 of the steering linkage system 7. The signal generator 52 is coupled to the controller 51 so as to provide the angular displacement signal thereto. The controller 51 is responsive to the angular displacement signal so as to control the driving devices 4 to move the lamp units 3 according to the angular displacement of the steering rod 71. In this embodiment, by referring to the vehicle speed signal from the speed detector 44, the controller 51 can control the driving devices 2 to restore the lamp units 3 to the default position when the vehicle speed signal indicates zero vehicle speed, and to move the lamp units 3 to change the illuminating direction according to the angular displacement of the steering rod 71 when the vehicle speed signal indicates non-zero vehicle speed. The state setting unit 53 is coupled to the controller 51 for selectivelyenabling anddisabling operation of the controller 51 in an automatic control mode, where the lamp units 3 are moved automatically under the control of the controller 51 to change the illuminating direction according to the angular displacement of the steering rod 71. The control panel 54 is coupled to the state setting unit 53, and includes at least one control key for controlling activation and deactivation of the lamp units 3, and a mode key 543 for selectively enabling and disabling the automatic control mode. In this embodiment, the control panel 54 includes an ON key 541 for controlling activation of the lamp units 3, and an OFF key 542 for controlling deactivation of the lamp units 3. Preferably, the controller 51 controls the driving devices 2 to restore the lamp units 3 to the default position each time power to the lamp units 3 is activated (i.e., when the ON key 541 of the control panel 54 is operated) . Preferably, the controller 51 further controls the driving devices 2 to restore the lamp units 3 to the default position eachtimepowerto the lampunits 3 is deactivated (i.e., when the OFF key 542 of the control panel 54 is operated) In use, when the vehicle driver operates the mode key 543 of the control panel 54 to enable the automatic control mode, and subsequently operates the ON key 541 of the control panel 54 to activate the lamp units 3, the controller 51 initially controls the driving devices 2 to move the lamp units 3 to the default position.</p>
<p>When moving the lamp units 3 to the default position, the driving devices 2 are controlled to rotate the transmission axles 21 in one of the first and second directions until the detected component 41 of each of the detecting devices 4 is detected by the respective default sensing component 42, which indicates that the respective lamp unit 3 has reached the default position, or until the detected component 41 abuts against one of the left and right limit sensing components 43, which indicates that the respective lamp unit 3 has reached one of the left and right limit positions. In the latter case, the controller 51 will respond to the limit position signal received thereby to control the driving devices 4 to rotate the transmission axles 21 in the opposite direction until the detected components 41 of the detecting devices 4 are detected by the default sensing components 42.</p>
<p>In the meantime, the signal generator 52 generates the angular displacement signal based on the resistance of the variable resistor 74 of the steering linkage system 7, and provides the same to the controller 51.</p>
<p>The controller 51 then controls the driving devices 2 to move the lamp units 3 in accordance with the angular displacement signal, i.e., according to the angular displacement of the steering rod 71 of the steering linkage system7. Asaresult, the illuminatingdirection of the lamp units 3 varies concurrently with the vehicle steering direction when the controller 51 is operated in the automatic control mode.</p>
<p>Thereafter, when the OFF key 542 of the control panel 54 is operated to deactivate the lamp units 3, the controller 51 controls the driving devices 2 to restore the lamp units 3 to the default position in the manner described hereinabove.</p>
<p>On the other hand, the lamp units 3 are maintained at the default position regardless of activation or deactivation of the lamp units 3 when operation of the controller 51 in the automatic control mode is disabled.</p>
<p>Asmentionedhereinabove, byreferringtothevehicle speed signal from the speed detector 44, the controller 51 can control the driving devices 2 to restore the lamp units 3 to the default position when the controller 51 is operated in the automatic control mode and when the vehicle speedsignal indicates zerovehicle speed (e.g., when the vehicle is parked or is stopped due to a red traffic light) . Therefore, the light radiated by the lamp units 3 can be prevented from interfering with the vision of drivers of vehicles that are in front or that are on the opposite lane. The controller 51 controls the driving devices 2 to move the lamp units 3 to change the illuminating direction according to the angular displacement of the steering rod 71 onlywhen the vehicle speed signal indicates non-zero vehicle speed, i.e., the vehicle is moving.</p>
<p>Moreover, if the lamp units 3 deviate from ideal angular orientations relative to the steering linkage system 7 due to interference of an object with transmission of the driving devices 2, impact to the lamp units 3, or forced movement of the lamp units 3, upon removal of the interfering object (if any) , power to the lamp units 3 is deactivated to restore the lamp units3tothedefaultpositionasdescribedhereinabove, and is subsequently activated to continue with normal operation of the lamp assembly of the present invention.</p>
<p>Furthermore, the left and right limit sensing components 43 also serve to limit range of angular rotation of the transmission axles 21 to avoid tangling of electric wires.</p>

Claims (1)

  1. <p>CLAIMS: 1. A lamp assembly adapted for use with a vehicle that includes
    a steering linkage system, said lamp assembly comprising: a base; a lamp unit; a driving device mounted to said base, and including a transmission axle that is coupled to said lamp unit, and a drive unit for driving said transmission axle to rotate in opposite first and second directions relative to said base such that said lamp unit is movable to a selected one of a default position, where said lamp unit and left and right limit positions, where the illuminating direction of said lamp unit forms left and right limit angleswiththevehjcj5 respectively; a detecting device including a detected component provided on saidtransmissionaxle anda default sensing component provided on said base and cooperating with said detected component so as to generate a default position signal when said lamp unit is at the default position; and a control device coupled to said driving device and said detecting device and operable so as to control said driving device to restore said lamp unit to the default position with reference to the default position signal from said detecting device, said control device being adapted to be coupled to the steering linkage system and being further operable in response to user manipulation of the steering linkage system so as to control said driving device to move said lamp unit according to angular displacement of the steering linkage system.</p>
    <p>2. The lamp assembly as claimed in Claim 1, wherein said drive unit of said driving device includes a motor, a drive gear coupled to said motor, and a driven gear coupled to said transmission axle and driven by said drive gear.</p>
    <p>3. The lamp assembly as claimed in Claim 2, wherein said drive unit of said driving device further includes a speed-reducing gear unit that meshes with said drive and driven gears.</p>
    <p>4. The lamp assembly as claimed in Claim 1, wherein said detecting device further includes left and right limit sensing components having said transmission axle disposed therebetween, each of said left and right limit sensing components cooperating with said detected component so as to generate a limit position signal when said lamp unit is at a corresponding one of the left and right limit positions, and providing the limit position signal to said control device to enable said control device to stop continued rotation of said transmission axle in one of the first and second directions when said lamp unit reaches the corresponding one of the left and right limit positions.</p>
    <p>5. The lamp assembly as claimed in Claim 4, wherein each of said left and right limit sensing components includes a contact switch that is contacted by said detected component when said lamp unit is at the corresponding one of the left and right limit positions.</p>
    <p>6. The lamp assembly as claimed inClaim4, wherein each of the left and right limit angles is at least 90 degrees.</p>
    <p>7. The lamp assembly as claimed in Claim 1, wherein said default sensing component includes an optical sensor, and said detected component includes a light shield detected by said optical sensor when said lamp unit is at the default position.</p>
    <p>8. The lamp assembly as claimed in Claim 1, wherein said control device includes: a controller for controlling operation of said driving device and for receiving the default position signal from said detecting device; and a signal generator adapted to be coupled to the steering linkage system and adapted to generate an angular displacement signal indicative of the angular displacement of the steering linkage system, said signal generator being coupled to said controller so as to provide the angular displacement signal thereto.</p>
    <p>9. The lamp assembly as claimed in Claim 1, wherein said control device includes: a controller for controlling operation of said driving device and for receiving the default position signal from said detecting device; a state setting unit coupled to said controller for selectively enabling and disabling operation of said controller inanautomatic controlmode, where saidlamp unit is moved automatically under control of said controller to change the illuminating direction according to the angular displacement of the steering linkage system; and a control panel coupled to said state setting unit and including at least one control key for controlling activation and deactivation of said lamp unit, and a mode key for selectively enabling and disabling the automatic control mode.</p>
    <p>10. The lamp assembly as claimed in Claim 1, wherein: said control device includes a controller for controlling operation of said driving device and for receiving the default position signal from said detecting device; said detecting device further including a speed detector adapted to detect vehicle speed and to generate a vehicle speed signal corresponding to the vehicle speed detected thereby, said speed detector being coupled to saidcontrollersoastoprovidethevehiclespeedsigflal thereto; said controller controlling said driving device to restore said lamp unit to the default position when the vehicle speed signal indicates zero vehicle speed, and to move said lamp unit to change the illuminating direction according to the angular displacement of the steering linkage system when the vehicle speed signal indicates non-zero vehicle speed.</p>
    <p>11. The lamp assembly as claimed in Claim 1, wherein said control device controls said driving device to restore said lamp unit to the default position each time power to said lamp unit is activated.</p>
    <p>12. The lamp assembly as claimed in Claim 1, wherein said control device controls said driving device to restore said lamp unit to the default position each time power to said lamp unit is deactivated.</p>
    <p>13. The lamp assembly substantially as hereinbefore described with reference to and as illustrated in the accompanying drawings.</p>
    <p>Amendments to the claims have been filed as follows</p>
    <p>CLAIMS</p>
    <p>1. A lamp assembly adapted for use with a vehicle that includes a steering linkage system, said lamp assembly Comprising: a base; a lamp unit; a driving device mounted to said base, and including a transmission axle that is coupled to said lamp unit, and a drive unit for driving said transmission axle to rotate in Opposite first and second directions relative to said base such that said lamp unit is movable to a selected one of: a) a default Position, b) a left limit position, and c) a right limit Position, wherein said S.' lamp unit has an illuminating direction parallel to a vehicle axis when at the default position, the illuminating direction of said lamp unit forming a left limit angle with the vehicle axis when at the left limit Position and forming a right limit angle with the vehicle axis when at the right limit POsition; a detecting device including a detected component Providedon saidtransmission axle, andadefault sensing component provided on said base and cooperating with said detected component so as to generate a default Position signal when said lamp unit is at the default POsition; and a control device coupled to said driving device and said detecting device and Operable so as to control said driving device to restore said lamp unit to the default Position by rotating said transmission axle until the default position signal from said detecting device is received by the control device, said control device being adapted to be coupled to the steering linkage system and being further operable inresponsetousermanipultif the steeringlinkage system so as to control said driving device to move said lamp unit according to angular displacement of the steering linkage system.</p>
    <p>2. Thelampassemb1yasclaj inClai 1 wherein said drive unit of said driving device includes a motor, a drive gear coupled to said motor, and a driven gear coupled to said transmission axle and driven by said drive gear.</p>
    <p>3. The lampassemblyas claimedinclaim2, wherein said drive unit of said driving device further includes a speed-reducing gear unit that meshes with said drive and driven gears.</p>
    <p>4. The lamp assembly as claimed in Claim 1, wherein said detecting device further includes left and right limit sensing components having said transmission axle disposed therebetween, each of said left and right limit sensing components cooperating with said detected component so as to generate a limit Position signal when said lamp unit is at a corresponding one of the left and right limit Positions, and said control device receives the limit Position signal to enable said control device to stop continued rotation of said transmission axle in one of the first and second directions when said lamp unit reaches the corresponding one of the left and right limit Positions.</p>
    <p>5. The Cl4 wherein each of said left and right limit sensing components includes a contact switch that is contacted by said detected component when said lamp unit is at the corresponding one of the left and right limit positions.</p>
    <p>6. The lamp assembly as claimed inClaim4, wherein each of the left limit angle and the right limit angle is * at least 90 degrees. *S..</p>
    <p>7. The lamp assembly as claimedinClaimi wherein said default sensing component includes an optical sensor, and said detected component includes a light shield detected by said optical sensor when said lamp unit is at the default position.</p>
    <p>8. The lamp assembly as claimed in Claim 1, wherein said control device includes: a controller for controlling operation of said driving device and for receiving the default Position signal from said detecting device; and a signal generator adapted to be coupled to the steering linkage system and adapted to generate an angular displacement signal indicative of the angular disPlacement ofthesteeringlinkage5y5 said signal generao being coupled to said controller so as to provide the angular displacement signal thereto.</p>
    <p>9. The lampassemblyas claimedinClaimi wherein said control device includes: a controller for controlling operation of said driving device and for receiving the default Position signal from said detecting device; a state setting unit coupled to said controller for selectively enabling and disabling operation of said controller in an automatic controlmode where said lamp unit is moved automatically under control of said controller to change the illuminating direction according to the angular displacement of the steering *.S.</p>
    <p>linkage system; and a control panel coupled to said state setting unit and including at least one control key for controlling activation and deactivation of said lamp unit, and a mode key for selectively enabling and disabling the automatic Control mode.</p>
    <p>lO.The lamp assembly as claimed in Claim 1, wherein: said control device includes a controller for controlling operation of said driving device and for receiving the default Position signal from said detecting device; said detecting device further including a speed detector adapted to detect vehicle Speed and to genera a vehicle speed signal correspond t detected thereby, said speed detector being coupled to said controller so as to provide the vehicle speed signal thereto; said controller controlling said driving device to restore said lamp unit to the default position when the vehicle speed signal indicates zero vehicle speed, and to move said lamp unit to change the illuminating direction according to the angular displacement of the steering linkage system when the vehicle speed signal indicates non-zero vehicle speed.</p>
    <p> wherein said control device controls said driving device to restore said lamp unit to the default Position each time power to said lamp unit is activated.</p>
    <p>12.The lampassemblyas claimedinclajml, wherein said control device controls said driving device to restore said lamp unit to the default position each time power to said lamp unit is deactivated.</p>
    <p>13.The lamp assembly substantially as hereinbefore described with reference to and as illustrated in the accompanying drawings.</p>
GB0604566A 2006-03-07 2006-03-07 Lamp Assembly With Variable Illuminating Direction Expired - Fee Related GB2435919B (en)

Priority Applications (1)

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GB0604566A GB2435919B (en) 2006-03-07 2006-03-07 Lamp Assembly With Variable Illuminating Direction

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Application Number Priority Date Filing Date Title
GB0604566A GB2435919B (en) 2006-03-07 2006-03-07 Lamp Assembly With Variable Illuminating Direction

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GB0604566D0 GB0604566D0 (en) 2006-04-19
GB2435919A true GB2435919A (en) 2007-09-12
GB2435919B GB2435919B (en) 2008-02-13

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61211146A (en) * 1985-03-15 1986-09-19 Matsushita Electric Ind Co Ltd Light axis control device for head light
GB2208919A (en) * 1987-08-21 1989-04-19 View Transportation Co Ltd Headlight control apparatus
US20040090788A1 (en) * 2002-11-05 2004-05-13 Tetsuya Ishida Vehicle headlamp apparatus
US20060039131A1 (en) * 2004-08-23 2006-02-23 Yuichi Nakazawa Irradiation direction control apparatus and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61211146A (en) * 1985-03-15 1986-09-19 Matsushita Electric Ind Co Ltd Light axis control device for head light
GB2208919A (en) * 1987-08-21 1989-04-19 View Transportation Co Ltd Headlight control apparatus
US20040090788A1 (en) * 2002-11-05 2004-05-13 Tetsuya Ishida Vehicle headlamp apparatus
US20060039131A1 (en) * 2004-08-23 2006-02-23 Yuichi Nakazawa Irradiation direction control apparatus and method

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GB0604566D0 (en) 2006-04-19
GB2435919B (en) 2008-02-13

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