CN103796378B

CN103796378B - The control of light source operates

Info

Publication number: CN103796378B
Application number: CN201310530672.9A
Authority: CN
Inventors: K·拉敏帕
Original assignee: Helvar Oy AB
Current assignee: Helvar Oy AB
Priority date: 2012-10-31
Filing date: 2013-10-31
Publication date: 2019-02-12
Anticipated expiration: 2033-10-31
Also published as: EA030680B1; EA201391417A1; EP2728972B1; CN103796378A; EP2728972A1

Abstract

Provide a kind of method of the operation of the second light source of the first light source for controlling the first color and the second color, this method includes receiving the input control signal with the user controllable duration processed, it is no more than the first predetermined threshold in response to the entire duration of single input control signal and is switched on or switched off the first and second light sources, it and is more than the characteristic for changing the light provided by the first and second light sources not less than the second predetermined threshold of the first predetermined threshold in response to the duration of input control signal, the change of the characteristic depends on the duration of input control signal, and the change includes the adjustment of the ratio between first light source and the luminous intensity of second light source.

Description

The control of light source operates

Technical field

The present invention relates to the controls of two or more light sources.Particularly, the present invention relates to for controlling two or more light The device and computer program of the operation in source, such as two or more light emitting diodes (LED) of two or more light sources, two or Multiple fluorescent lamps, two or more high-intensity discharges (HID) lamp, two or more incandescent lamps etc..

Background technique

Fig. 1 schematically illustrates the switch arrangement 100 in example concept as known in the art.The switch arrangement 100 packet Include switch unit 110, controller 120 and light source 140.The switch unit 110 includes user-operable button or is configured as ringing It should be pressed in button and input control signal is supplied to the corresponding arrangement of the controller 120, which has base The duration for the duration being pressed in sheet corresponding to the button.Therefore, which is configured as by the input The duration for controlling signal controls the light source 140, so that short input control signal caused light source 140 connects on and off It opens, however long input control signal causes the change of the luminous intensity provided by light source 140, thus provides and dims functionality.

Particularly, during the off-state of the light source received short input control signal cause the light source 140 It connects, and received short driving signal causes the disconnection of light source 140 during on-state.In addition, if newest input Control signal is to turn on the short input control signal of the light source 140 or for reducing the luminous intensity provided by the light source 140 Long input control signal, then long input control signal causes to increase the luminous intensity provided by the light source 140.On the contrary, such as The newest input control signal of fruit is the input control signal for increasing the length of the luminous intensity, then long input control signal Cause to reduce the luminous intensity provided by the light source 140.In addition, when the light source 140 is in an off state received length it is defeated Entering to control signal can cause to connect the light source 140.

Although exemplary arrangement 100 as described above makes it possible to control optical element by the single switch of single push-botton operation The luminous intensity that 140 ON/OFF state and optical element 140 provides, but should it is expected it is also possible that by the optical element 140 The characteristic of the light of offer can be by different and/or more multiduty adjustment, to make it possible to better adapt to environment light The change of condition and optical element 140 are applied to the different usages in the space of illumination.For providing the function of further or replacing Known workaround, which is generally required, to be introduced arrangement 100 for more components and/or arranges 100 significant change, this leads to cloth It sets and generally constructs more complicated and manufacture more expensive.

Summary of the invention

Allow the object of the present invention is to provide a kind of based on the input control signal with the user controllable duration, The method that different and/or more multifarious control is carried out to one or more light sources.It is another object of the present invention to allow Based on the input control signal with the user controllable duration, for control one or more light sources operation it is different And/or more diverse method, the duration is not to applying to control one or more light sources (such as light of the arrangement 100 Source 140) existing method introducing significantly change.

Mesh of the invention is reached by such as the device as defined by respective independent claims and computer program.

According to the first aspect of the invention, a kind of first light source for controlling the first color and the second color are provided The device of the operation of second light source.The device includes importation and control section, which, which is configured as receiving, has The input control signal of user controllable duration, and the control section is configured to respond to single input control signal tool There is the entire duration no more than the first predetermined threshold, to be switched on or switched off the first and second light sources, the wherein control section It is configured to exceed the second predetermined threshold not less than the first predetermined threshold in response to the duration of input control signal Value, changes the characteristic of light provided by the first and second light sources, and the change of the characteristic depends on continuing for the input control signal Time, and the change includes the adjustment of the intensity ratio between first light source and second light source.

According to the second aspect of the invention, second of the first light source and the second color for controlling the first color is provided The second device of the operation of light source, the second device include at least one processor and include based on one or more programs At least one processor of calculation machine program code.At least one processor and computer program code are configured as, at least One processor makes the device at least receive the input control signal with the user controllable duration, in response to individually inputting control Signal processed has the entire duration no more than the first predetermined threshold to be switched on or switched off the first and second light sources and respond Exceed the second predetermined threshold not less than the first predetermined threshold in the duration of input control signal to change by first and the The characteristic for the light that two light sources provide, the change of the characteristic depend on the duration of the input control signal, and the change packet Include the adjustment of the ratio between first light source and the luminous intensity of second light source.

According to the third aspect of the invention we, second of the first light source and the second color for controlling the first color is provided The computer program of the operation of light source, which includes one or more sequences of one or more instructions, when the journey When sequence is run by one or more processors, so that device is at least received the input control with the user controllable duration and believe Number, entire duration for having in response to single input control signal be no more than the first predetermined threshold to be switched on or switched off first It is more than the second predetermined threshold not less than the first predetermined threshold with second light source and in response to the duration of input control signal Value changes the characteristic of the light provided by first and second light sources, and the change of the characteristic depends on the input control signal and continue Time, and the change includes the adjustment of the ratio between first light source and the luminous intensity of second light source.

The computer program can be realized in volatibility or non-volatile computer readable medium recording program performing, such as be used as meter Calculation machine program product comprising at least one computer-readable non-transitory medium of program code is stored thereon with, when the program When code is run by device, execute the device at least described in computer program as above according to the third aspect of the invention we Operation.

The example embodiments of the present invention occurred in present patent application, which should not be interpreted as causing, is applicable in claim The limitation of property.The verb " comprising " and its derivative words are used as open limitation in the present patent application, be not excluded for there is also The feature of non-record.Unless explicitly stated otherwise, the feature being described below mutually can be combined freely.

Especially elaborate in the following claims be considered as feature of the invention novel feature.However, when merging It, can sheet of the best understanding about both its structure and its operating method from the detailed description of following specific examples when attached drawing is read Invention itself and additional target and advantage.

Detailed description of the invention

Fig. 1 schematically illustrates exemplary arrangement as known in the art.

Fig. 2 schematically illustrates the exemplary arrangement of embodiment according to the present invention.

Fig. 3 schematically illustrates the controller of embodiment according to the present invention.

Fig. 4 a provides the example for illustrating the relationship between input control signal and as exemplary entire luminous intensity and color The change of temperature.

Fig. 4 b provides the example for illustrating the relationship between input control signal and as exemplary entire luminous intensity and color The change of temperature.

Fig. 5 schematically illustrates the exemplary arrangement of embodiment according to the present invention.

Fig. 6 schematically illustrates the exemplary arrangement of embodiment according to the present invention.

Fig. 7 schematically illustrates the exemplary arrangement of embodiment according to the present invention.

Fig. 8 schematically illustrates devices in accordance with embodiments of the present invention.

Specific embodiment

Fig. 2 schematically illustrates the arrangement 200 of example concept comprising switch unit 210, controller 220 and two or Multiple light sources 240.It is clear and briefly in order to describe, the one or more light source 240 be described as including first light source 240a with Second light source 240b, although two or more light sources 240 may include further light source.Two or more light sources 240 can To be arranged to one or more optical elements, so as to each optical element include one in two or more light sources 240 or It is multiple.

The arrangement 200 provides logical construction, and its element may be provided as unit or the part of single device, or The unit of person's one or more device or part.In other words, the switch unit 210 and the controller 220 are logic entities, It can implement in one or more devices, two or more light sources 240 can be connected to including controller 220 or part thereof The device of one or more devices.Example in this regard is described below.

As an example, whole units can be implemented in single device, thus the single device include switch unit 210, Controller 220 and arrangement for two or more light sources 240 to be connected to this.It is switched for example, this device can be referred to as Device, control device, switch controlling device, driving device etc..

As another example, can implement switch unit 210 in first device, and can by controller 220 with And implement for two or more light sources 240 to be connected to being arranged in second device for this.In this arrangement, for example, Two devices can be referred to as control device, switching device, driving device etc..

As further example, the switch unit 210 can be implemented in first device, can be implemented in second device The first part of the controller 220, and the second part of the controller 220 can be implemented in 3rd device and by two Or multiple light sources 240 are connected to this arrangement.In this arrangement, second device can be referred to as control device, switch control Device etc., however for example, 3rd device can be referred to as driving device.

Mode said elements being arranged to one or more devices is not considered, and the controller 220 or part thereof can be by It is embodied as hardware, software or the combination as hardware or software.Particularly, which can be for example including containing there are many discrete elements The circuit of part, one or more integrated circuits, one or more microcontrollers, one or more processors etc., however this is soft Part for example may include computer-readable instruction, be set in the program code that can be run by microcontroller or processor.

The switch unit 120 can be similar to the control unit 110 of the above so-called arrangement 100.The switch unit 210 can Be user-operable button to include button 212, be arranged to make input control signal be provided to controller 220 or It is issued in controller 220.Particularly, which is configured as when pressing the button 212, provides input control letter Number the controller 220 is given, which has matching or substantially match the duration that the button 212 is pressed Duration.In other words, which is configured to supply the control signal with the user controllable duration.Example Such as, this button can be implemented as the actuator for the switch for closing circuit by using the button 212 to arrange, be configured To provide the input control signal for showing predetermined voltage and/or scheduled current when by lower button.

The switch unit 210 is direct or is coupled to controller 220 via one or more intervening components or element.For example, The switch unit 210 can be wired to the controller 220 so that can be straight using input control signal as electric signal It connects and is provided in this, such as the electric signal for showing the predetermined properties about voltage and or current.The switch unit 210 and should Wired connection between controller 220, which can be related to trustship, to be had between the switch unit 210 and the separator of controller 220 Wired connection or trustship have the wired connection in the single device of switch unit 210 and controller 220.

On the other hand, the connection between the switch unit 210 and the controller 220 can be wireless connection.With this side Formula, the switch unit 210 may include for example infrared (IR) transmitter, be configured to supply the IR of description input control signal Signal and IR signal is transmitted to the controller 220 for possessing IR receiver, which is configured as receiving the IR signal And the IR signal is converted back to be suitable for the input control signal of the format of subsequent processing in controller 220.Alternatively Ground, the wireless transmission can use radio frequency (RF) transmitter and RF receiver, which is arranged on the switch In unit 210 and the RF receiver is arranged in the controller 220.Instead of IR or RF, can also use in this field The other types of wireless connectivity known.For example, based on the wireless connection between the switch unit 210 and the controller 220 This mode makes it possible to implement switch unit 210 in remote controllers.

The controller 220 directly or via one or more intervening components or element is coupled to two or more light sources 240.Fig. 3 schematically illustrates the exemplary construction of the controller 220.The controller 220 includes in input control signal The control section of received importation 222 and the operation for controlling two or more light sources 240.The importation 222 It is configured as receiving input control signal, wherein the input control has the user controllable duration.For example, the input control Signal can be originated from switch unit 210.Particularly, the input control signal, Huo Zheke directly can be received from switch unit 210 To receive the input control signal via intermediary element, which can cause to buffer the input control signal is held with short The continuous time.Although for practical purpose, it should any buffering are maintained at minimum limit, to ensure to from (user's operation ) input control signal of switch unit 210 timely responds to, but such as opened at this even if very short buffering may also lead to Close the start and end time for the input control signal that unit 210 issues and such as the received input of institute in the controller 220 Control the time difference between the start and end time of signal.Therefore, the input control signal the termination of controller 220 can be with It is different in time with the termination of the corresponding input control signal in the switch unit 210.

The importation 222 can be configured to before input control signal is transmitted to control section 224 Manage the input control signal.The example of this processing be on the radio connection received input control signal to being suitable for by controlling The conversion of the format of 224 subsequent processing of part.

The control section 224 can be configured as by issuing one or more output control signals or order or no The operation of two or more light sources 240 then is controlled by controlling the operating parameter of two or more light sources 240, to connect Or light source 240a, 240b of two or more light sources 240 are disconnected, and/or change (increasing or decreasing) by two or more light The luminous intensity that light source 240a, the 240b in source 240 are provided.Particularly, the control section can be configured as by issue one or Multiple output control signals are ordered to control the operation of two or more light sources 240, and each of these signals or order are matched It is set to the variation of the luminous intensity for causing first light source 240a and/or the predetermined amount in the luminous intensity of second light source 240b.Below In be more fully described the controller 220 and including importation 222 and control section 224 operation.

Herein, term luminous intensity is used to refer to any applicable measurement to the intensity of light provided by light source. For example, the luminous intensity can be the measurement with the every solid angle of lumen (lm/sr) or the illumination intensity surveyed with candela (cd).Such as Further example, the luminous intensity can be with lumens per square meter (lm/m²) illumination and luminosity measurement or with bank Every square metre of De La (cd/m²) measurement of brightness surveyed.It, can be direct by the luminous intensity that light source provides such as further example It is proportional to the electric current and/or voltage that be used to drive the light source, and thus the electric current and/or the voltage can be used as the light The measurement of intensity.For example, the luminous intensity can directly be leading (prevailing) electric current supplied to it for LED light source Measurement.Such as further example, constant current and/or given voltage are being given, is controlling pulsewidth modulation (PWM) letter of the luminous intensity of light source Number duty cycle (duty cycle) or duty ratio can be directly proportional to leading (prevailing) luminous intensity, so as to 100% duty cycle implied that light source was implied in the maximum light intensity to constant current and/or given voltage, such as 60% duty cycle Light source to the 60% of constant current and/or the maximum light intensity of given voltage, such as 40% duty cycle imply that light source to The 40% of the maximum light intensity of constant current and/or given voltage, etc..Luminous intensity measurement discussed herein is as unrestricted Example set, and as a result, without departing from protection scope of the present invention under the premise of, can be surveyed using other luminous intensities applicatory Amount.

Two or more light sources 240 can be connected or be coupled to the controller 220, and two or more light sources 240 can be coupled to the controller 220 directly or via intermediary element.The first light source of two or more light sources 240 240a is capable of providing the light of the first color, and the second light source 240b of two or more light sources 240 is capable of providing the second face The light of color.First color and the second color can be visibly different predetermined color.Alternatively, the first color and the second face Color can be the similar or substantially similar color under different predetermined colour temperatures, such as white under different predetermined colour temperatures Color.In other words, first light source 240a can be the light source of the first color or the first colour temperature, and second light source 240b can be with It is the light source of the second color or the second colour temperature, wherein the first color or the first colour temperature are different from the second color or the second colour temperature.Make Further to replace, which can be similar or basic under similar or substantially similar colour temperature with the second color Similar color.

As a specific example, first light source 240a can be capable of providing in colour temperature B₁White light and second light source 240b can To be capable of providing in colour temperature B₂White light, wherein B₁<B₂.First and second light source 240a, 240b can be controlled so as to provide from B₁To B₂Range in colour temperature: when the merging luminous intensity of first and second light source 240a, 240b depends solely on first light source When 240a, obtained colour temperature is B₁, however when depending solely on second light source 240b, obtained colour temperature is B₂.For example, if First light source 240a contributes the 60% of the merging luminous intensity, and second light source 240b contributes the 40% of the merging luminous intensity, changes sentence It talks about, if the ratio between luminous intensity provided by the luminous intensity as provided by first light source 240a and second light source 240b is 60/40=1.5, then obtained colour temperature is 0.6 × B₁+0.4×B₂.First and second this example of light source 240a, 240b as a result, It is required to provide that the relative light intensity made it possible to by correspondingly adjusting first and second light source 240a, 240b is set Colour temperature.

It is provided above by two light sources of the light being capable of providing under predetermined colour temperature fixed, different from each other are used The example of required colour temperature, general chemical conversion include the cloth of the other light sources other than first and second light source 240a, 240b It sets, i.e., is generally melted into two or more light sources 240, each of which can provide the light that colour temperature is different from the colour temperature of other light sources, Wherein the colour temperature of the merging is the weighted sum of the colour temperature of two or more light sources 240, which indicates by respective light source The ratio for the merging luminous intensity contributed.Along similar thinking, above-mentioned example is generalized to the arrangement of two or more light sources 240, Each light source can provide color different from the light of the color of other light sources, wherein merging color is two or more light sources The weighted sum of 240 color, the ratio for the merging luminous intensity that weighted factor instruction is contributed by respective light source.

The controller 220 is returned to, which can be configured as when receiving input control signal and/or receiving During the input control signal, the duration t of input control signal is determined_in.Particularly, which can be matched It is set to and determines duration t_inMeet the duration of the period of predetermined properties for input control signal.For example, the predetermined spy Property may include control signal more or less than predetermined voltage level requirement.As another example, the predetermined properties are in addition Or the requirement of the electric current more or less than scheduled current level is alternatively shown including the control signal.The importation 222 duration that can be configured to the input control signal that will be determined were supplied to control section 224.

The importation 222, which can be configured as, monitors the input control signal, and particularly monitors in the input control The duration of the input control signal of signal reception period processed.Monitoring generally may relate to importation 222 or controller 220, to keep and update the information of the duration in relation to still being accumulated in the input control signal of continuation, and make this A information can use control section 224, for example to control via the determination to one or more corresponding output control signals Make the operation of first and second light source 240a, 240b.Monitoring may further include the end of detection input control signal simultaneously And it is provided and is indicated to the control section 224 so that for following additional information, which can be in control first and second It is utilized in light source 240a, 240b.

The importation 222 can be configured as based on monitoring period the reception for monitoring the sequence of input control signal. If a pair of continuous input control signal is by being less than predetermined threshold t_mTime interval separate, then they may be considered that category In same sequence.Particularly, predetermined threshold t_mIt can define the first input control of a pair of continuous input control signal Maximum time between the end of signal and the beginning to the second input control signal of continuous input control signal wherein should Same sequence is considered to belong to continuous input control signal.The sequence of monitoring input control signal makes it possible in addition to based on defeated The duration for entering to control signal controls except first and second light source 240a, 240b or as replacement, is based on input control The sequence of signal controls first and second light source 240a, 240b.

The control section 224 can be configured as the duration t for determining the identified input control signal_inWhether do not have Have more than the first predetermined threshold Th_L1And/or whether the identified input control signal duration is more than the second predetermined threshold Th_L2.First predetermined threshold Th_L1Be set to be considered as the input control signal of short input control signal duration The upper limit value, and the second predetermined threshold Th_L2Be set to be considered as long input control signal input control signal Duration t_inLower limit value, be enable to according to the duration of the input control signal and sequence (such as basis Single input control signal is classified as the signal of short signal or length), such as signal is controlled by one or more export It determines and forms, or be used to control the parameter of the operation of first and second light source 240a, 240b additionally by control to control Make first and second light source 240a, 240b.Preferably, the first predetermined threshold Th_L1It is set to the second predetermined threshold ThL2 Equal value, to guarantee that each input control signal is classified into short or long signal.However, it is possible to pre- using second Determine threshold value Th_L2Value be higher than the first predetermined threshold Th_L1, to guarantee the clearer differentiation between short and long input. However, this method causes the duration to fall within Th_L1And Th_L2Between input control signal be neither classified as it is short nor It is classified as long input control signal, the special place to the input control signal of this intermediate duration may be needed Reason.

The control section 224 is configured to respond to entire duration t_inNo more than the first predetermined threshold Th_L1It is single Input control signal, control are switched on or switched off two or more optical elements 240.If first and second light source 240a, 240b is currently disconnected, then control may include that first light source 240a and second light source are connected in the control section 224 control More multiple light courcess in 240b and possible two or more light sources 240.If first and second light source 240a, 240b is current It connects, then control, which may further include the control section 224 control, disconnects first light source 240a and second light source 240b And the more multiple light courcess in possible two or more light sources 240.Due to the input control signal termination before and it is unknown should The entire duration tin of input control signal, so at this point, the behaviour of first and second light source 240a, 240b of control Work cannot start, until receiving input control signal completely.

The control section 224 can be configured as when disconnecting two or more light sources 240, will indicate the first light source The information of leading ratio (prevailing ratio) between 240a and the luminous intensity of second light source 240b and/or instruction are by the One and second light source 240a, 240b provide leading merging luminous intensity information storage in memory.It can be in the controller In addition this memory or the memory are provided in 220 can be may have access to by controller 220.For example, this information can wrap Include the luminous intensity of the luminous intensity and second light source 240b of instruction first light source 240a when disconnecting two or more light sources 240 Information.As another example, this information may include indicating first light source when disconnecting two or more light sources 240 The information of the luminous intensity of 240a or the luminous intensity of second light source 240b and leading ratio between the two.These information make it possible to Enough for example when disconnecting first and second light source 240a, 240b with the ratio of luminous intensity and/or with the combined luminous intensity of use Connect first and second light source 240a, 240b.

The control section 224 can be configured as to obtain when connecting two or more light sources 240 and indicate to deposit from this The message of desired ratio between reservoir, first light source 240a and the luminous intensity of second light source 240b, and be configured as connecing Logical first light source 240a and second light source 240b, in order to provide the desired ratio between luminous intensity.This can be related to deposit from this The respective luminous intensity that reservoir is read connects first light source 240a and second light source 240b.Alternatively, this can be related to To connect first light source 240a and second light source 240b since the different luminous intensities of the luminous intensity of memory reading, and still keeps Thus desired ratio between the luminous intensity of first and second light source 240a, 240b makes when connecting two or more light sources 240 Can be provided with the desired ratio between them first and second light source 240a, 240b desired or may it is scheduled, Combine luminous intensity.

The control section 224 is configured to the duration t in response to the input control signal_inIt is pre- more than second Determine threshold value Th_L2To change by the characteristic of first and second light source 240a, 240b light provided.The change of the characteristic of light depends on should The duration of input control signal, the change include the luminous intensity for adjusting first light source 240a and the light intensity of second light source 240b Ratio between degree.In other words, which includes the relative light intensity for adjusting first and second light source 240a, 240b.Such as with It is upper described, the second predetermined threshold Th_L2Value be not less than the first predetermined threshold Th_L1.In the second predetermined threshold Th_L2Value be greater than the One predetermined threshold Th_L1In the case where, then the control section 224 is configured as ignoring the duration, to fall within first and second predetermined Input control signal between threshold value.

As an example, the first and second predetermined threshold Th_L1And Th_L2It can for example be set in 300 to 450 milliseconds of models Value in enclosing, such as it is set to 350 milliseconds.As another example, the first predetermined threshold Th_L1It can be set to 200 To the value in 300 milliseconds of ranges, such as 250 milliseconds are set to, and the second predetermined threshold Th_L2It can be set to arrive 300 Value in 450 milliseconds of ranges, such as it is set to 350 milliseconds.However, these values are merely possible to example and of the invention It is any so that Th in the first and second predetermined thresholds in protection scope_L1≤Th_L2Value be applicatory.For example, this is predetermined Boundary t_mThe value that can be set in 100 to 300 milliseconds of ranges, such as it is set to 200 milliseconds.

The control section 224, which can be configured as, increases first light source 240a by the luminous intensity about second light source 240b Luminous intensity, until the input control signal terminates or the maximum light intensity until reaching first light source 240a or second light source The minimum light intensity (whichever occurs first) of 240b, come adjust first and second optical element 240a, 240b luminous intensity it Between ratio.Within a context, maximum light intensity refer to selected respective light source 240a, 240b maximum intensity --- it can To be maximum light intensity that respective light source 240a, 240b are capable of providing --- herein referred to as respective light source 240a, The absolute maximum luminous intensity of 240b.Alternatively, selected maximum light intensity can be lower than respective light source 240a, 240b The luminous intensity of the predetermined selection of absolute maximum luminous intensity.Similarly, in this context, minimum light intensity refers to selected each From the minimum light intensity of light source 240a, 240b, it is substantially switched off to be generally zero for example respective light source 240a, 240b, or Alternatively, which can be the non-zero light intensity of predetermined selection.

With similar route, which be can be configured as through the luminous intensity reduction about second light source 240b The luminous intensity of first light source 240a, the termination until the input control signal or the largest light intensity until reaching first light source 240a Degree or second light source 240b maximum light intensity (whichever occurs first), come adjust the first and second optical element 240a, Ratio between the luminous intensity of 240b.Such as in front in example, selected maximum light intensity can be the absolute of respective light source Maximum intensity is either lower than the luminous intensity of the predetermined selection of absolute maximum intensity, and selected minimum light intensity can be Zero either predetermined selection non-zero light intensity.

It, can be at least in the context for the luminous intensity that the luminous intensity about second light source 240b increases first light source 240a It is operated in the minimum light intensity of the maximum intensity and second light source 240b that reach first light source 240a in two different ways One or two when ratio adjustment.It, as already stated above, can be in response to the end of input control signal as the first example One of minimum light intensity only or in response to the maximum light intensity and second light source 240b that reach first light source 240a, to terminate The adjustment of the ratio.As the second example, the adjustment of the ratio can continue, until the input control signal terminates or until Through reaching both the maximum light intensity of first light source 240a and minimum light intensity of second light source 240b.This can be related to reaching To first light source 240a maximum light intensity when the luminous intensity of first light source 240a is maintained at its maximum value, and continue to adjust The luminous intensity of (reduction) second light source 240b, until reaching its minimum value, and/or in the minimum intensity of light for reaching second light source 240b When spending, the luminous intensity of second light source 240b is maintained at its minimum value, and continues to adjust the light of (increase) first light source 240a Intensity, until reaching its maximum value.The feelings of the luminous intensity of first light source 240a are reduced in the luminous intensity about second light source 240b It is similar to consider have when the maximum light intensity of the minimum light intensity and/or second light source 240b that reach first light source 240a in condition Effect.

Lead to the light intensity that first light source 240a is reduced about the luminous intensity of second light source 240b in the newest adjustment of the ratio In the case where degree, then the control section 224, which can be configured as, increases by first by the luminous intensity about second light source 240b The luminous intensity of light source 240a, to adjust the ratio.On the contrary, the newest adjustment in the ratio causes about second light source 240b's Luminous intensity increase first light source 240a luminous intensity in the case where, then the control section 224 can be configured as by about The luminous intensity of second light source 240b reduces the luminous intensity of first light source 240a, to adjust the ratio.In this context, newest Ratio adjustment is referred to as caused by newest input control signal, and is particularly believed by the newest input control terminated Caused by number (i.e. by the input control signal before newest, rather than " current " input control signal by still proceeding with) most New ratio adjustment.

The luminous intensity that luminous intensity about second light source 240b increases first light source 240a may include increasing first light source Luminous intensity of the luminous intensity of 240a without changing second light source 240b.Therefore, also increase by first and second light source 240a, 240b's Combined luminous intensity.As the variation of this technology, increase the light intensity of first light source 240a about the luminous intensity of second light source 240b Degree may include the luminous intensity for reducing the luminous intensity of second light source 240b without changing first light source 240a, this cause to reduce this The merging luminous intensity of one and second light source 240a, 240b.

Similarly, the luminous intensity for reducing first light source 240a about the luminous intensity of second light source 240b may include reduction the Luminous intensity of the luminous intensity of one light source 240a without changing second light source 240b, the result is that reducing first and second light source The merging luminous intensity of 240a, 240b.Related technology includes, by increasing the luminous intensity of second light source 240b without changing the first light The luminous intensity of source 240a reduces the luminous intensity of first light source 240a about the luminous intensity of second light source 240b, thus causes to increase Add the merging luminous intensity of first and second light source 240a, 240b.

As further option, the luminous intensity that the luminous intensity about second light source 240b increases first light source 240a be can wrap It includes, increase the luminous intensity of first light source 240a by the first amount and makes luminous intensity the second amount of reduction of second light source 240b, first Amount is greater than or equal to the second amount.Particularly, the first amount can be equal to the first amount, thus cause ratio adjustment that will be performed, so as to The merging luminous intensity of first light source 240a and second light source 240b is kept constant or substantial constant.Similarly, about the second light The luminous intensity that the luminous intensity of source 240b reduces first light source 240a may include that the luminous intensity of first light source 240a is made to reduce first It measures and increases the luminous intensity of second light source 240b by the second amount, preferably situation is that the first amount and the second amount are equal, causes to compare Value adjustment will be performed, so that the merging luminous intensity of first light source 240a and second light source 240b is kept constant or substantially permanent It is fixed.

As an example, ratio adjustment may further include, reaching the (selected) maximum of first light source 240a After the one or both of luminous intensity and (selected) minimum light intensity of second light source 240b, do not consider that the input control is believed Number situation and terminate the ratio adjustment.Ratio adjustment equally may include reaching the (selected of first light source 240a ) after the one or both of (selected) maximum light intensity of minimum light intensity and second light source 240b, do not consider that this is defeated The situation for entering to control signal terminates ratio adjustment.

As the first replaceable example, ratio adjustment may include, in (selected) for reaching first light source 240a After the one or both of maximum light intensity and (selected) minimum light intensity of second light source 240b, about second light source The luminous intensity of 240b reduces the luminous intensity of first light source 240a, until input control signal terminates or until reaching first light source (selected) minimum light intensity of 240a or second light source 240 (selected) maximum light intensity (whichever first Occur).Alternatively, it is possible to continue the adjustment of this ratio, until the input control signal terminates or until reaching first light source (whichever is first for both (selected) minimum light intensity of 240a and (selected) maximum light intensity of second light source 240 First occur).Similarly, ratio adjustment may include, in (selected) minimum light intensity that reaches first light source 240a and After the one or both of (selected) maximum light intensity of second light source 240b, the luminous intensity about second light source 240b increases The luminous intensity for adding first light source 240a, until input control signal termination or (selected) until reaching first light source 240a (selected) minimum light intensity of maximum light intensity or second light source 240b (whichever occurs first).Alternatively, It can continue the adjustment of this ratio, until input control signal termination or (selected) until reaching first light source 240a Both maximum light intensity and (selected) minimum light intensity of second light source 240b (whichever occurs first).

As the example of the second replacement, ratio adjustment may include, in (selected) for reaching first light source 240a After the one or both of maximum light intensity and (selected) minimum light intensity of second light source 240b, by first light source 240a Luminous intensity be set to its (selected) minimum light intensity and that the luminous intensity of second light source 240b is set to it is (selected ) maximum light intensity, and then increase the luminous intensity of first light source 240a about the luminous intensity of second light source 240b, until defeated Enter to control signal terminating or (selected) maximum light intensity until reaching first light source 240a or second light source 240b (selected) minimum light intensity (whichever occurs first).Alternatively, it is possible to continue the adjustment of this ratio, until this is defeated Enter to control signal terminating or the (institute until (selected) maximum light intensity and second light source 240b that reach first light source 240a Selection) both minimum light intensity (whichever occurs first).Similarly, ratio adjustment may include reaching first One or two of (selected) minimum light intensity of (selected) maximum light intensity and second light source 240b of light source 240a After person, the luminous intensity of first light source 240a is set to its (selected) maximum light intensity and by second light source 240b's Luminous intensity is set to its (selected) minimum light intensity, and then reduces by the first light about the luminous intensity of second light source 240b The luminous intensity of source 240a, until input control signal termination or (selected) the maximum light until reaching first light source 240a The minimum light intensity of intensity or (selected) second light source 240b (whichever occurs first).Alternatively, it is possible to continue This ratio adjustment, until the input control signal terminate or until reaching first light source 240a(it is selected) largest light intensity Both (selected) minimum light intensity of degree and second light source 240b (whichever occurs first).

First and second replacement examples in, be used in response to reach as described above first or second light source 240a, (selected) maximum and/or (selected) minimum light intensity of 240b and operate, ratio adjustment may further include, Before ratio between the further luminous intensity of first and second light source 240a, 240b of adjustment, predetermined period t is waited_W, can With the waiting time of being known as.This waiting time is used to the ratio for promoting to set luminous intensity, is related to its (selected) Maximum or minimum light intensity operates first and/or second light source close to its (selected) maximum or minimum light intensity 240a,240b.For example, waiting time t_WThe value that can be set in 0.5 to 1.5 seconds ranges, such as be set to One second.

The control section 224 can be configured to make it possible to adjust first and second light source 240a, 240b's The ratio adjustment for merging luminous intensity, rather than being provided solely between the luminous intensity of first and second light source 240a, 240b.In other words It says, in response to the duration t of input control signal_inMore than the second predetermined threshold Th_L2The change of characteristic of light can be into one Step includes adjusting the merging luminous intensity of first light source 240a and second light source 240b.Be preferably carried out this adjustment, so as to this Ratio between one light source 240a and the luminous intensity of second light source 240b is kept constant or substantial constant.

Particularly, which can be configured as has more than second in advance in response to single input control signal Determine threshold value Th_L2Duration t_in, the adjustment of ratio adjustment and combined luminous intensity is carried out in a continuous manner.This company The adjustment of continuous light characteristic may include adjusting the merging luminous intensity first without changing the ratio, then according to the input control The duration of signal processed and the ratio is adjusted according to the current light intensity of first and/or second light source 240a, 240b.

In this regard, which can be configured as the duration t in response to the input control signal_inIt is super Cross the second predetermined threshold Th_L2, change by adjusting the merging luminous intensity of first light source 240a and second light source 240b by One and second light source 240a, 240b provide light characteristic, to keep the ratio of the luminous intensity to have not been changed or to have not been changed substantially.It should Control section 224, which can be configured as, continues adjustment merging luminous intensity, until the input control signal terminates, until reaching first With second light source 240a, 240b it is (selected) it is maximum merge luminous intensity or until reach the first and second light source 240a, (selected) minimum merging luminous intensity of 240b (whichever occurs first).The control section 224 can further be matched Be set in response to reach certainly first and second light source 240a, 240b it is (selected) it is maximum merge luminous intensity have already passed through it is predetermined Period t_CTThe input control signal continues later, adjusts first light source 240a's and second light source 240b according to the first pre-defined rule Ratio between luminous intensity changes the characteristic of light.In other words, if t_XExpression reaches first and second light source 240a, 240b It is (selected) maximum at the time of merge luminous intensity, then indicate reach (selected) it is maximum merge luminous intensity after Have already passed through predetermined period t_CTT_X+t_CTThe adjustment of the Shi Qidong ratio.

In the case where the input control signal of newest front causes to reduce the merging luminous intensity, the first and second light sources The adjustment of the merging luminous intensity of 240a, 240b may include increasing the merging luminous intensity, and/or the input control in newest front Signal causes in the case where increasing the merging luminous intensity, and the adjustment of the merging luminous intensity of first and second light source 240a, 240b can To include reducing the merging luminous intensity.

As described above, foregoing is directed to (selected) the maximum intensity that merges can be wherein the first and second light source At least one of 240a, 240b have reached the luminous intensity of its (selected) maximum light intensity.It can although this method makes Maximum merges luminous intensity and depends on current intensity ratio, but it makes it possible to be fully utilized the first and second light sources simultaneously The ability of 240a, 240b, to provide maximum luminous intensity in current intensity ratio.

As another example, it can be limited according to the leading luminous intensity of first and second light source 240a, 240b (selected ) it is maximum merge luminous intensity, if so that first light source 240a is with the x% operation of its (selected) maximum light intensity and the Two light source 240b are operated with the y% of its (selected) maximum light intensity, then the combined value of x+y does not allow more than 100%.Change sentence It talks about, being somebody's turn to do (maximum) merging luminous intensity can be by respective (selected) largest light intensity of first and second light source 240a, 240b The limited proportion of degree, so that the sum of the ratio is 100% in (selected) maximum merging luminous intensity.Although this method can The ability of first and second light source 240a, 240b can be not exclusively utilized, but it makes obtainable maximum merging luminous intensity simultaneously Ratio between the luminous intensity of first and second light source 240a, 240b is unrelated, and condition is first and second light source 240a, 240b (selected) maximum light intensity it is equal or be essentially equal.

Although by (selected) (selected) of the merging maximum light intensity based on first and second light source 240a, 240b The above-mentioned example of the ratio of individual luminous intensity is provided for controlling (selected) merging most under the ratio of leading luminous intensity Big luminous intensity, but this may cause for example (selected) maximum light intensity of first and second light source 240a, 240b not When phase, (selected) the merging maximum light intensity discovered is made to depend on the leading ratio of luminous intensity.Interchangeable In exemplary method, (selected) (selected) maximum light intensity for merging maximum light intensity and being set to first light source 240a With the minimum value of (selected) maximum light intensity of second light source 240b.Therefore, the merging luminous intensity is limited, so as to the first He (selected) maximum light intensity that the is luminous intensity of second light source 240a, 240b and not allowing more than first light source 240a and The smaller value of (selected) maximum light intensity of two light source 240b.In this approach, (selected) merging maximum intensity In the case where (selected) maximum light intensity of first and second light source 240a, 240b is different also with the leading luminous intensity Ratio is unrelated.

(selected) minimum any for merging luminous intensity and being preferably wherein first and second minimum light source 240a, 240b A luminous intensity for having reached its (selected) minimum light intensity.Alternatively, (selected) the minimum intensity that merges can be with It is the luminous intensity for both having reached its (selected) minimum light intensity of wherein light source 240a, 240b.However, this is replaced The method of changing can cause the ratio between luminous intensity before (selected) minimum light intensity for reaching two light sources 240a, 240b Value changes.

Alternatively, have in response to single input control signal more than the second predetermined threshold Th_L2Duration t_in's The characteristic of light it is continuous adjustment may include adjusting the ratio between the luminous intensity first, then adjustment merge luminous intensity without Change the ratio, wherein be fixed against the duration of the input control signal and be fixed against first and/or second light source 240a, The current luminous intensity of 240b implements the adjustment.

In this regard, which can be configured as, by adjusting first light source 240a and second light source Ratio between the luminous intensity of 240b, in response to the duration t of the input control signal_inMore than the second predetermined threshold Th_L2, change the characteristic by first and second light source 240a, 240b light provided.The control section 224 can be configured as, after The continuous ratio that adjusts is until input control signal termination, (selected) maximum light intensity until reaching first light source 240a Or second light source 240b (selected) minimum light intensity or until reaching the (selected) minimum of first light source 240a (selected) maximum light intensity of luminous intensity or second light source 240b (whichever occurs first).Alternatively, it is possible to after It is continuous to adjust this ratio, until the input control signal terminates, (selected) the maximum light until reaching first light source 240a (selected) minimum light intensity or (selected) until reaching first light source 240a of intensity and second light source 240b (selected) maximum light intensity of minimum light intensity and second light source 240b (whichever occurs first).

Control section 224 can be configured to, (selected described in first light source 240a in response to reaching certainly ) (selected) minimum light intensity of maximum light intensity and/or second light source 240b has already passed through predetermined period t_CTIt The input control signal continues afterwards, by the merging for adjusting first light source 240a and second light source 240b according to the second pre-defined rule Luminous intensity makes the ratio for keeping the luminous intensity have not been changed or have not been changed substantially, to change the characteristic of light.It is somebody's turn to do along as described above Thinking, if t_YIndicate (selected) maximum light intensity and/or second light source 240b that reach first light source 240a At the time of (selected) minimum light intensity, then in t_Y+t_CTThe adjustment of the Shi Qidong merging luminous intensity, wherein t_Y+t_CT Expression is reaching the described (selected of (selected) maximum light intensity and/or second light source 240b described in first light source 240a Select) predetermined period t is had already passed through after minimum light intensity_CT。

The luminous intensity about second light source 240b is caused to reduce first light source 240a in newest front input control signal Luminous intensity in the case where, then the ratio adjustment may include by about second light source 240b luminous intensity increase the first light The luminous intensity of source 240a adjusts the ratio.On the contrary, causing in the newest front input control signal about second light source In the case that the luminous intensity of 240b increases the luminous intensity of first light source 240a, then ratio adjustment can be additionally or in the alternative The ratio is adjusted including reducing the luminous intensity of first light source 240a by the luminous intensity about second light source 240b.

For example, predetermined period t_CTCan be in 1 to 5 seconds ranges, such as 3 seconds.However, these values are as just non-limit Example processed provides, and without departing from protection scope of the present invention, which be can have in exemplary model Value other than enclosing.Ratio adjustment also be used whole users, thus avoid from the merging luminous intensity is adjusted (to this (selected) maximum value) to the ratio adjustment change between unwanted long delay in the case where, be used for the pre- timing Section t_CTShort value such as 1 second or less, can be advantageous.On the other hand, it is meant merely for safeguarding in ratio adjustment In the case that personnel are to reduce the danger that casual user surprisingly activates the ratio adjustment function, then being used for predetermined period t_CT's It long value such as 5 seconds or more, can be beneficial.

The first of the ratio between the luminous intensity for adjusting first and second light source 240a, 240b being hereinbefore related to Pre-defined rule may include increasing the luminous intensity of first light source 240a until this is defeated by the luminous intensity about second light source 240b Enter to control signal terminating or selected until reaching first light source 240a() (the institute of maximum light intensity and second light source 240b Selection) one or both of minimum light intensity, to adjust the ratio.

First pre-defined rule of the ratio between luminous intensity for adjusting first and second light source 240a, 240a can wrap It includes, the input control signal in the newest front for causing the ratio to adjust causes the luminous intensity about second light source 240b to increase by the In the case where the luminous intensity of one light source 240a, increase the light intensity of first light source 240a by the luminous intensity about second light source 240b Degree, to adjust the ratio.On the contrary, the first pre-defined rule may include, the input in the newest front for causing the ratio to adjust Control signal cause about second light source 240b luminous intensity reduce first light source 240a luminous intensity in the case where, by about The luminous intensity of second light source 240b reduces the luminous intensity of first light source 240a to adjust the ratio.In other words, the first pre- set pattern It then may include between the luminous intensity for continuing the first and second light source 240a on the same direction of newest ratio adjustment Ratio adjustment.

Alternatively, the first pre-defined rule may include starting ratio adjustment in a predetermined direction always, that is, pass through pass Subtract in the luminous intensity of luminous intensity increase first light source 240a of second light source 240b or the luminous intensity about second light source 240b The luminous intensity of few first light source 240a.As further replacement, the first pre-defined rule may include defeated with newest front Enter to control ratio caused by signal and adjusts beginning ratio adjustment on opposite direction.

First pre-defined rule of the ratio between luminous intensity for adjusting first and second light source 240a, 240b can be into One step includes, (selected) maximum light intensity and second light source 240b that reach first light source 240a (selected) most After the one or both of small luminous intensity, the luminous intensity of first light source 240a is reduced about the luminous intensity of second light source 240b, directly It is terminated to input control signal, or (selected) minimum light intensity until reaching first light source 240a and second light source (selected) maximum light intensity of 240b (whichever occurs first).Alternatively, it is possible to continue the adjustment of this ratio, directly To input control signal termination or (selected) minimum light intensity until reaching first light source 240a and second light source Both (selected) maximum light intensity of 240b (whichever occurs first).On the contrary, the first pre-defined rule can be into one Step includes, in the (selected) maximum of (selected) minimum light intensity and second light source 240b for reaching first light source 240a After the one or both of luminous intensity, increase the luminous intensity of first light source 240a about the luminous intensity of second light source 240b, until The input control signal terminates or selected until reaching first light source 240a() maximum light intensity and second light source 240b (selected) minimum light intensity (whichever occurs first).Alternatively, it is possible to continue the adjustment of this ratio, until this Input control signal terminates or (selected) maximum light intensity until reaching first light source 240a and second light source 240b Both (selected) minimum light intensity (whichever occurs first).

Alternatively, first of the ratio between the luminous intensity for adjusting first and second light source 240a, 240b is predetermined Rule may further include, and reaching, first light source 240a(is selected) selected by maximum light intensity and second light source 240b( Select) after the one or both of minimum light intensity, it is (selected) minimum that the luminous intensity of first light source 240a is set as its Luminous intensity and the luminous intensity of second light source 240b is set as its (selected) maximum light intensity, and about second light source The luminous intensity of 240b increases the luminous intensity of first light source 240a, until input control signal terminates or until reaching first light source (whichever sends out first for (selected) maximum light intensity of 240a or (selected) minimum light intensity of second light source 240b It is raw).Alternatively, it is possible to continue the adjustment of this ratio, until the input control signal terminates or until reaching first light source (whichever is first for both (selected) maximum light intensity of 240a and (selected) minimum light intensity of second light source 240b First occur).

(selected) maximum value in response to reaching the first or second light source 240a, 240b and/or (selected is not considered ) method applied by minimum value, which may further include, in further the first and second light sources of adjustment Before ratio between the luminous intensity of 240a, 240b, using waiting time t as described above_W。

Foregoing is directed to the second pre-defined rule of the merging luminous intensity for adjusting first and second light source 240a, 240b can To include, merging luminous intensity is adjusted by increasing or decreasing the luminous intensity of first and second light source 240a, 240b, so as to light intensity Ratio between degree is kept constant or substantial constant, until the input control signal terminates, until reaching first light source 240a It is selected with second light source 240b() maximum merge luminous intensity or until reaching first light source 240b and second light source 240b (selected) minimum merge luminous intensity (whichever occurs first).

The second pre-defined rule for adjusting merging luminous intensity may include leading to the adjustment of the merging luminous intensity most Input control signal causes to increase the merging luminous intensity in the case where increasing the merging luminous intensity before new.On the contrary, being used for The second pre-defined rule that adjustment merges luminous intensity may include inputting in the newest front for leading to the adjustment of the merging luminous intensity Control signal causes to reduce the merging luminous intensity in the case where reducing the merging luminous intensity.In other words, the second pre-defined rule can To include adjusting the merging that identical side continues up second and second light source 240a, 240b merging luminous intensity with newest its Luminous intensity adjustment.Alternatively, the second pre-defined rule may include the tune for starting the merging luminous intensity in a predetermined direction always It is whole, i.e., by increasing the merging luminous intensity or by reducing the merging luminous intensity.As further replacement, the second pre-defined rule It may include starting merging light on the opposite direction of the adjustment of luminous intensity causing to merge with newest front input control signal The adjustment of intensity.

The second pre-defined rule for adjusting the merging luminous intensity of first and second light source 240a, 240b can be wrapped further It includes, after reaching (selected) the maximum merging luminous intensity of first light source 240a and second light source 240b, reduces by the first light The luminous intensity of source 240a and second light source 240b, to keep the ratio between it to have not been changed or substantially to have not been changed, until this Input control signal terminates or (selected) the minimum merging light until reaching first light source 240a and second light source 240b Intensity (whichever occurs first).On the contrary, additionally or in the alternative, the second pre-defined rule may further include, and reach To first light source 240a and second light source 240b it is (selected) it is minimum merge luminous intensity after, increase first light source 240a and The luminous intensity of second light source 240b, to keep the ratio between it to have not been changed or substantially to have not been changed, until the input control Signal terminating or selected until reaching first light source 240a and second light source 240b() it is maximum merge luminous intensity (no matter Which occurs first).

Along the thinking described on this point of the first pre-defined rule, the second pre-defined rule can further include, Before further adjusting the merging luminous intensity, in (selected) the maximum merging for reaching first and second light source 240a, 240b After luminous intensity and/or (selected) minimum merging luminous intensity, using waiting time t as described above_W。

Instead of the duration t in response to single input control signal_inMore than the second predetermined threshold Th_L2And it applies to the The merging luminous intensity of ratio and first and second light source 240a, 240b between one and the luminous intensity of second light source 240a, 240b Continuous adjustment, which can be configured as the duration t in response to single input control signal_inMore than Two predetermined threshold Th_L2, and alternately adjust the ratio of luminous intensity and merge luminous intensity.

Particularly, which can be configured as, and cause first in newest front input control signal In the case where the adjustment of the merging luminous intensity of light source 240a and second light source 240b, in response to continuing for single input control signal Time t_inMore than the second predetermined threshold Th_L2, according to the light of the first pre-defined rule adjustment first light source 240a and second light source 240b Ratio between intensity, until the termination of the input control signal.On the contrary, the control section 224 can be configured as, most Input control signal has caused the adjustment of ratio between first light source 240a and the luminous intensity of second light source 240b before new In the case where, in response to the duration t of single input control signal_inMore than the second predetermined threshold Th_L2, predetermined according to second The merging luminous intensity of rule adjustment first light source 240a and second light source 240b is terminated until the input control signal, to keep The ratio of the luminous intensity has not been changed or substantially has not been changed.This is considered for the current state according to controller 220 It adjusts the ratio between luminous intensity or merges the method for luminous intensity, wherein the condition responsive is in duration t_inMore than second Predetermined threshold Th_L2Each input control signal and change.

As for the duration t in response to input control signal_inMore than the second predetermined threshold Th_L2, according to controller The interchangeable exemplary method of ratio or merging luminous intensity between 220 current state adjustment luminous intensity, the control section It can be configured as the ratio adjusted between luminous intensity in a first state and adjust in the second state and merge luminous intensity.

Particularly, in a first state, which can be configured as, such as by about second light source The luminous intensity of 240b increases the luminous intensity of first light source 240a, to adjust the luminous intensity of first light source 240a and second light source 240b Between ratio, until the input control signal terminate or (selected) largest light intensity until reaching first light source 240a (selected) minimum light intensity of degree or second light source 240b (whichever occurs first).Alternatively, it is possible to continue this A ratio adjustment, until input control signal termination or (selected) maximum light intensity until reaching first light source 240a With (selected) minimum light intensity of second light source 240b (whichever occurs first).In the second state, the control unit 224 are divided to can be configured as, adjustment increases or decreases the merging luminous intensity of first light source 240a and second light source 240b, so as to The ratio of the luminous intensity is kept to have not been changed or substantially have not been changed, until the input control signal terminates or until reaching first With second light source 240a, 240b it is (selected) it is maximum merge luminous intensity or until reach the first and second light source 240a, 240b(is selected) minimum merging luminous intensity.

The control section 224 can be configured as, in response to predetermined number control signal by the state of controller 220 from First state changes to the second state or changes from the second state to first state, does not surpass wherein each control signal has Cross the first predetermined threshold Th_L1The entire duration.As non-restrictive example, cause the change between the first and second states This " short " input control signal of the predetermined number for example can be two.Particularly, which can be matched It is set to, triggers the change between the first and second states in response to receiving " short " sequence for controlling signal of predetermined number, Wherein individual input control signal separates from neighbouring " short " input control signal is less than predetermined threshold t_mTime interval, As previously described.In addition, the control section 224 can be configured as, in response to the duration t of each input control signal_inAll More than the second predetermined threshold Th_L2, i.e., cause the change of ratio in response to " length " input control signal or merge changing for luminous intensity Become, the state of controller 220 is changed from first state to the second state.

The control section 224 can be configured as, and increase or decrease its luminous intensity by the respective light source of control predetermined Amount, come cause optical element 240a, 240b luminous intensity change.Therefore, change to generate desired luminous intensity, Ke Nengxu Carry out many continuous changes of predetermined amount.Particularly, which can be configured as, as long as control signal continues, So that its luminous intensity is increased or decreased predetermined amount at a predetermined interval with regard to repetitive control light source, thus generates the first and second light sources 240a, 240 intensity between ratio be altered in steps or the merging luminous intensity of first and second light source 240a, 240b It is altered in steps.

Alternatively, instead of a series of continuous change of predetermined amounts at a predetermined interval of repetitive control, the control section 224 It can be configured as being stepped up or subtracting for the luminous intensity of respective light source 240a, 240b of control predetermined amounts at a predetermined interval Few starting.The control section 224 can be configured to control respective light in response to the termination of input control signal The luminous intensity of source 240a, 240b be stepped up or the termination of reduction.

As the side being altered in steps for being related to control section 224 and causing the luminous intensity of first and second light source 240a, 240b The variation of method, the control section 224 can be configured as, by meeting one for adjusting the ratio in input control signal Or during the period of multiple criteria, change between multiple predetermined ratios according to preassigned pattern, to adjust the first and second light sources Ratio between the luminous intensity of 240a, 240b.Particularly, this preassigned pattern may include being related to from R₁To R₅Five kinds not With in the example context of predetermined ratio, by ratio from R_iIt is adjusted to ratio R_i+1And ratio is from R₅It is adjusted to ratio R₁.As another A example, the pre-defined rule may include, by ratio from R_iIt is adjusted to ratio R_i+1And reaching ratio R₅It will be related to comparing later It is worth from R_iIt is adjusted to ratio R_i-1Until reaching the ratio R₁.The adjustment may include from it is newest adjustment or from the adjustment starting (by Current ongoing input control signal starting) by current ratio being adjusted to down by preassigned pattern after predetermined space Thus one predetermined ratio provides and changes at a predetermined interval from a predetermined ratio to another by preassigned pattern, and simultaneously should Input control signal continues.Multiple predetermined ratio R_iAnd/or preassigned pattern can be arranged to for example provide following ratio sequence Column, wherein the ratio is monotonously from a ratio of first light source 240a is depended on to depending on second light source 240b A ratio change, and/or vice versa.As another example, multiple predetermined ratio R_iAnd/or preassigned pattern can be with It is arranged to provide the essentially random change from a ratio to another, such as changes from a light scene to another, Without providing dullness or smooth change by the contribution of any one of first and second light source 240a, 240b.Instead of using such as One group of five predetermined ratio in above-mentioned example can use any number of predetermined ratio depending on the requirement of usage scenario, Such as any number in the range from 2 to 20.

Predetermined amount for increasing or decreasing the luminous intensity of light source 240a, 240b can be predetermined fixed amount.As non-limit Example processed, the predetermined amount can be for example fixed as by the predetermined ratio of respective light source 240a, 240b maximum light intensity provided, Such as the 5% of respective (absolute or selected) maximum light intensity.Selection can cause more accurate for the smaller value of predetermined amount And therefore smoother --- but the general slower --- light characteristic of adaptation, however select the larger value that can cause faster --- but it is general Rougher --- adaptation.

As another example, which can depend on the current light intensity that respective light source 240a, 240b are provided, example If as respective light source 240a, 240b current light intensity close to respective light source 240a, 240b (absolutely or it is selected ) minimum light intensity (for example, if current light intensity respective light source 240a, the 240b (absolute or selected) most In 0 to 10% range of big luminous intensity) or close to respective light source 240a, 240b (absolute or selected) maximum light Intensity (for example, if current light intensity is in 90 to 100% range of the maximum light intensity of respective light source 240a, the 240b), So just smaller step-length by application for example in 1 to 3% range of respective (absolute or selected) maximum light intensity This mode.On the contrary, biggish step-length is used for the luminous intensity of medium range, for example, if current light intensity is in respective light source In 10 to 90% range of (absolute or selected) maximum light intensity of 240a, 240b.The adaptation of this step-length causes to connect The slower adaptation of photocurrent versus light intensity at the end of nearly available light strength range.

Instead of the predetermined ratio or percentage of (absolute or selected) maximum light intensity using light source 240a, 240b Determine the predetermined amount, which can be fixed absolute magnitude, not directly about respectively (absolute or selected) Maximum light intensity.Typically, however, the absolute magnitude of the fixation is small about respectively (absolute or selected) maximum light intensity , 1/10th or smaller of e.g., about respective (absolute or selected) maximum light intensity, it is each in order to provide allowing The step-length smoothly changed from the luminous intensity of light source.

The predetermined space is preferably fixed intervals, in order to provide steady state value and to the continuous response of input control signal. The time span of the predetermined space is can be selected to provide to regulate the speed in view of the respectively expectation of predetermined amount as described above Parameter.As non-restrictive example, which can be the value in the range from 0.01 to 0.3 second, such as 0.1 second. Furthermore, it is possible to select the predetermined amount and the predetermined space, so as in the desired period in holding by single input control signal Continuous time t_inMore than the second predetermined threshold Th_L2Caused by the case of, execute first and second light source 240a, 240b light intensity The adjustment of the merging luminous intensity of the adjustment of the ratio of degree and/or first and second light source 240a, 240b.For example, this desired Period can be in the range from 1 to 5 second, such as two seconds.

Below, the exemplary scene of the change of the luminous intensity about first and second light source 240a, 240b is provided, so as into One step illustrates the above concepts some in greater detail.Particularly, this exemplary scene is related to using being capable of providing colour temperature 3200K White light first light source 240a and be capable of providing colour temperature about 7000K light second light source 240b.In addition, single input control The duration t of signal processed_inMore than the second predetermined threshold Th_L2Be assumed first by adjusting the first and second light source 240a, The merging luminous intensity of 240b then passes through the duration by input control signal and relies on first without changing the ratio And/or second light source 240a, 240b current light intensity adjust first and second light source 240a, 240b intensity ratio without Change and merge luminous intensity, to generate ratio adjustment in a continuous manner and merge luminous intensity adjustment.

Illustrate the input control signal at this point, Fig. 4 a is provided, merge between luminous intensity and the change of colour temperature The example of relationship.It should be noted that in this illustration, which reflects the luminous intensity of first and second light source 240a, 240b Between ratio.The upper figure of Fig. 4 a is shown in bold the situation of the switch controlled by the button 212 as the function of time, therefore It indicates by the received input control signal of controller 220.The following figure of Fig. 4 a illustrates the (phase as the function of time using heavy line It is right) merge luminous intensity and the colour temperature as the function of time is illustrated using thick dashed line.

The time t being pressed in response to button 212₁The first input control signal started is short signal, thus makes this The control after the termination of the first input control signal of controller 220 is connected with the maximum luminous intensity that merges of the colour temperature of about 4500K One or more optical elements 240.In time t₂The second input control signal started is long signal, makes the controller 220 from t₂ +Th_L2Start control and reduce to merge luminous intensity until the second input control signal terminates, be directed to most so as to cause merging luminous intensity About the 55% of big merging luminous intensity is without influencing colour temperature.

In time t₃The third input control signal of beginning is long signal, and it makes controller 220 from t first₃+ Th_L2Start control and increase merging luminous intensity, until in time t₄Have reached the maximum merging luminous intensity.Third input control letter Number in time t₅=t₄+t_CTIt still proceeds with, thus in time t₄Reaching the maximum luminous intensity that merges is more than later predetermined period t_CT, and So that controller 220 is changed the ratio between the luminous intensity of first and second light source 240a, 240b, and therefore changes colour temperature.Therefore, From time t₅Start, which is adapted to provide higher colour temperature first, then the maximum colour temperature for reaching about 7000K it After adjust the ratio to provide compared with low color temperature, then then adjust the ratio after the minimum colour temperature for reaching about 3200K to mention For higher color temperature.When first light source 240a provides zero luminous intensity and second light source 240b provides (selected) maximum light intensity Reach maximum colour temperature, and when first light source 240a provides its (selected) maximum light intensity and second light source 240b provides zero Reach minimum colour temperature when luminous intensity.The ratio adjusts the termination in response to third input control signal and terminates, to generate big The colour temperature of about 5200K.

In time t₆The 4th input control signal started is long signal, makes the controller 220 from t₆+Th_L2Start to control System, which is reduced, merges luminous intensity, until the termination of the 4th input control signal, is directed to maximum entire light so as to cause luminous intensity is merged About the 35% of intensity influences colour temperature without the ratio between influence luminous intensity and therefore.Finally, in time t₇The 5th started Input control signal is short signal, make the controller 220 the 5th input control signal termination after control disconnect one or Multiple optical elements 240.

The example provided in the background of Fig. 4 a is assumed in response to reaching the (selected) maximum of light source 240a, 240b Or (selected) minimum light intensity, in desired waiting time t_WContinue ratio adjustment in the other directions later.Phase Instead, Fig. 4 b provides explanation according to the ratio (reflection of the input control signal of the second exemplary scene, merging luminous intensity and luminous intensity For colour temperature) change between exemplary relationship, second exemplary scene assume in response to reaching the (selected of light source 240a, 240b Select) maximum or (selected) minimum light intensity, and ratio is adjusted to another extreme value.

Such as in Fig. 4 a and Fig. 4 b, upper figure is shown in bold the shape by 212 control switch of button as the function of time Condition, and the following figure using heavy line illustrate as the function of time (opposite) merging luminous intensity and using thick dashed line illustrate as The ratio of the luminous intensity of the function of time and colour temperature thus.Duration of the exemplary input control signal of Fig. 4 b and timing with It is consistent in Fig. 4 a example.

In fig. 4b in illustrated example, to the responses of the first and second input control signals with as above say in fig.4 It is consistent described in bright exemplary context.Meanwhile described in the response to third input control signal and the example for Fig. 4 a It is identical, until time t₅.Since the third input control signal is in time t₅=t₄+t_CTIt still proceeds with, thus in time t₄Reach (selected) the maximum luminous intensity that merges is more than later predetermined period t_CT, the controller 220 control adjustment luminous intensity between ratio Value, and therefore change colour temperature.Therefore, from time t₅Start, which is adapted to provide higher colour temperature first, is then reaching Continue to adjust the ratio to higher colour temperature from the minimum colour temperature of about 3200K after to the maximum colour temperature of about 7000K.This ratio Value adjusts and colour temperature therefore adjusts the termination in response to third input control signal and terminates, to generate about 3700K Colour temperature.It is consistent described in exemplary background of the response with Fig. 4 a to the 4th and the 5th control signal, however it is defeated in third Enter to control the ratio of the luminous intensity of first and second light source 240a, 240b and the colour temperature therefore generated and Fig. 4 after signal Difference in first exemplary scene.

As illustrated schematically that in Fig. 5, which can optionally further comprise driver portion 226.The drive Dynamic device part 226 is configured as driving two or more such as first light sources of light source 240 according to the control that controller 220 provides 240a and second light source 240b operation.As described above, the control can by the controller 220 issue control signal or order come Implement.Particularly, which, which can be configured as, is switched on or switched off first according to the control that controller 220 provides Light source 240a and/or second light source 240b, and change by first light source 240a and/or the light intensity provided by second light source 240b Degree.The driver portion 226 can be configured to drive or control the more multi-functional of two or more optical elements 240.

The driver portion 226, which can be configured as, is switched on or switched off the by the operating parameter for changing respective light source 240 One and second light source 240, and/or change the luminous intensity of the first or second light source 240a, 240b.This may relate to starting or in Operation power only is supplied to two or more light sources 240, to be switched on or switched off respective light source.In addition, this may relate to for example By changing the characteristic to respective light source 240a, 240b voltage and or current provided, to change to first or second light source 240a, 240b provide the signal of operation power, change to generate the expectation of its luminous intensity.The change of this characteristic can wrap It includes, such as changes the voltage level or current level for being provided to first and/or second light source 240a, 240b, and/or change control The duty cycle of the pwm signal of system first and/or the luminous intensity of second light source 240a, 240b or duty ratio.

Driver portion 226 can be configured as the (institute for providing to control section 224 and having reached light source 240a, 240b Selection) instruction of (selected) minimum light intensity of maximum light intensity or light source 240a, 240b, consequently facilitating control characteristic Change.In addition, the driver portion 226 can be configured to, the first and second light sources are provided to control section 224 The instruction of the current light intensity of 240a, 240b, consequently facilitating the ratio of merging luminous intensity and/or luminous intensity that monitoring is dominated.Phase Instead, which, which can be configured as from driver portion 226, receives this instruction.

As illustrated schematically that in Fig. 6, instead of providing driver portion 226, the function of the driver portion 226 to controller Can and/or operate can be provided as driver 230, form the logic and functional entity isolated with controller 220.Especially Ground, can with serve as or device that the device of trustship controller 220 separates in the driver 230 is provided, implementation is as above Operation and/or function described in driver portion 226.

In this arrangement for being related to special purpose driver 230, which be can have for connecing from controller 220 It is receiving addressing first light source 240a or second light source 240b, such as output control information or the control information of order single defeated Enter.The control signal or order may include the information for identifying respective light source 240a, 240b, so that 230 energy of driver Enough preset light sources 240a, 240b that output control signal or order are addressed to two or more light sources 240.Alternatively, should Driver 230 can have the dedicated input for each light source 240a, 240b, be used to be addressed to from the reception of controller 220 Respective light source 240a, 240b, such as control of output control signal or order.In the case where dedicated input, it may be not required to Will in driver 230 include the information for identifying respective optical element in received control signal or order.

Instead of single driver 230, the controller 220 can this be two or more via two or more driver controls The operation of light source.Particularly, as illustrated schematically that in Fig. 7, which may include for driving the first light First driver 230a of the operation of source 240a and the second driver 230b for driving the operation of second light source 240b.By This, the first driver 230a and the second driver 230b may be considered that the two or more drivers of expression, each driver It is configured as controlling the operation that may connect to this respective light source 240a, 240b independently of other drivers (but controlling Under the control of device 220 processed).

In general, the drive part 226 or driver 230(if there is) be configured for according to it light source of driving The characteristic of 240a, 240b and requirement provide driver functions or drive assembly.

As an example, the driver may include LED driver, and the light source that may connect to this may include one or Multiple LED light sources.As another example, which may include electric ballast, and the light source that may connect to this can be with Including one or more fluorescent lamps.As further example, which may include the driver for HID lamp, and can connect The light source for being connected to this may include one or more HID lamps.

The structural unit for distributing to controller 220 for example distributes to importation 222, control section 224 and possible drive Operation, process and/or the function of dynamic device part 226 can divide between these portions in different ways.In addition, the control Device 220 may include further part or unit, can be configured as implementation be assigned to above-mentioned importation 222, Some operations, process and/or the function of control section 224 and/or possible driver portion 226.On the other hand, it is assigned to Importation 222, the operation of control section 224 and/or possible driver portion 226, process and/or function can be distributed to Single part or single processing unit in controller 220.

Particularly, which can be provided as the first light source 240a and second for controlling the first color The control device of the operation of the second light source 240b of color, the control device include when for receiving there is user controllable system to continue Between input control signal device, for the entire duration t in response to single input control signal_inIt is pre- no more than first Determine threshold value Th_L1It is switched on or switched off the device of first light source 240a and second light source 240b and for believing in response to the input control Number duration t_inMore than the second predetermined threshold Th for being not less than the first predetermined threshold_L2To change by the first and second light sources The device of the characteristic for the light that 240a, 240b are provided, the change of the characteristic depend on the duration of input control signal and should Change including the ratio adjustment between first light source and the luminous intensity of second light source.

As non-restrictive example, Fig. 8, which schematically illustrates to be used in, realizes exemplary device 800 of the invention.It should Device 800 includes processor 810 and memory 820, which is configured as reading from the memory 820 or writing this Memory 820.The device 800 may further include communication interface 830, such as make it possible to and another one or more dress Set the network interface card wirelessly or non-wirelessly communicated or network adapter.The device 800 may further include for providing to processor 810 Data, order and/or other inputs and/or user interfaces 840 for receiving data or other outputs from the processor 810, The user interface 840 for example including one or more displays, one or more key, keyboard, mouse or respective pointer device, Touch screen etc..The device 800 may include the further component for not having explanation in the example of Fig. 8.

Although the processor 810 exists as single component in the example of fig. 8, which be can be used as One or more separation units execute.Although the memory 820 is shown as single component, which can be with As one or more separation units implement, some or all of them can be integrated/can be removed and/or can provide permanently/ Semipermanent/dynamic/buffer memory.

The device 800 may be implemented as the dedicated or general-purpose device with enough processing capacities.Alternatively, the device 800 can be implemented as being dedicated to the device as controller 220 as described above.

The memory 820 can store the computer program 850 including computer executable instructions, these instructions, which are worked as, to be carried Enter in processor 810 and control when being run by processor 810 operation of the device 800.For example, computer program 850 can be with One or more sequences including one or more instruction.Computer program 850 can be provided as computer program code. The processor 810 can by from memory 820 read including one or more instructions one or more sequences come It is loaded into and runs computer program 850.One or more sequences of one or more instruction can be configured as, when by one Or when the operation of multiple processors, make the device of such as device 800 execute the as above operation described in the background of controller 220, Process and/or function.

As a result, the device 800 may include at least one processor 810 and at least one include for one or more journeys The memory 820 of the computer program code of sequence, at least one processor 820 and computer program code are configured as with extremely A few processor 810 makes device 800 carry out as above operation, process and/or function described in the background of controller 220.

Computer program 850 can be provided independently of the device, and computer program 850 can be via transmission appropriate Mechanism is provided in the device 800.For example, the transport mechanism may include at least one computer for being stored thereon with program code Readable non-transitory medium, the program code cause device at least to execute processing when being run by device, to implement to exist above Operation, process and/or function described in controller 220.Transport mechanism may, for example, be computer readable storage medium, calculate Machine program product, storage component part, such as CD-ROM, DVD, respective optical medium, the system for visibly implementing computer program 850 Recording medium of the divine force that created the universe etc etc..As further example, which can be configured as reliable delivery computer The signal of program 850.

The reference of processor is not construed as only covering programmable processor, and including special circuit, all Such as field programmable gate array (FPGA), specific integrated circuit (ASIC), signal processor.Spy described in previously mentioned Sign can use in the combination other than the combination being expressly recited.Although describing function by reference to certain features, It is that these functions can be executed by other features for describing or not describing.Although describing feature by reference to some embodiments, But these features can also appear in description or the other embodiments not described.

Claims

1. a kind of device of the operation of the second light source of first light source for controlling the first color and the second color, described device Including

Importation is configured as receiving the input control signal with the user controllable duration,

It is characterized in that described device includes control section, the control section is configured as

It is no more than the first predetermined threshold in response to the entire duration of single input control signal and is switched on or switched off described the One light source and second light source, and

Duration in response to the input control signal is more than the second predetermined threshold not less than first predetermined threshold, Change the characteristic of the light provided by the first light source and second light source, the change of the characteristic is believed depending on the input control Number duration, and it is described change include ratio between the first light source and the luminous intensity of the second light source tune Whole and described change further includes the merging luminous intensity for adjusting the first light source and the second light source, so that first light Ratio between source and the luminous intensity of the second light source keeps substantially constant.

2. the apparatus according to claim 1, wherein the change includes

The merging luminous intensity for adjusting the first light source and the second light source continues to the adjustment for merging luminous intensity Until input control signal termination or the maximum until reaching the first light source and the second light source or minimum merging Luminous intensity, and

It is predetermined in response to being had already passed through after reaching the maximum merging luminous intensity of the first light source and the second light source The input control signal continues after period, adjusts the first light source and the second light source according to the first pre-defined rule Ratio between the luminous intensity.

3. the apparatus according to claim 1, wherein the change includes

The ratio between the first light source and the luminous intensity of the second light source is adjusted, the adjustment to the ratio is continued Until the input control signal terminates or the maximum light intensity until reaching the first light source and/or the second light source Minimum light intensity, and

In response to the minimum light intensity in the maximum light intensity and/or the second light source that reach the first light source After have already passed through the input control signal after predetermined period and continue, according to the second pre-defined rule adjust the first light source and The merging luminous intensity of the second light source.

4. the apparatus according to claim 1, wherein described change includes following state until the input control signal is whole Only:

The merging of the first light source and the second light source is already led in response to newest front input control signal The adjustment of luminous intensity adjusts between the first light source and the luminous intensity of the second light source according to the first pre-defined rule Ratio, and

The light intensity of the first light source and the second light source is already led in response to newest front input control signal The adjustment of ratio between degree adjusts the merging light of the first light source and the second light source according to the second pre-defined rule Intensity.

5. the apparatus according to claim 1, wherein the change includes according to the adjustment of the current state of described device Ratio between first light source and the luminous intensity of the second light source, or adjust the first light source and the second light source Merging luminous intensity,

Wherein, in the first state of described device, the change includes by the luminous intensity increase about the second light source The luminous intensity of the first light source adjusts the ratio between the first light source and the luminous intensity of the second light source until described Input control signal terminates or the minimum light intensity of the maximum light intensity until reaching the first light source or the second light source, And

Wherein, in the second state of described device, described change includes adjusting the first light source and the second light source The merging luminous intensity, until the input control signal terminates or until reaching the first light source or the second light source Maximum or minimum light intensity.

6. device according to claim 5, wherein the condition responsive of described device in predetermined number control signal and from The first state changes to second state, or vice versa, wherein the entire duration of each control signal No more than first predetermined threshold.

7. the device according to any one of claim 2 and 4, wherein first pre-defined rule includes by about institute The luminous intensity for stating second light source increases the luminous intensity of the first light source to adjust the ratio, until the input control signal The minimum light intensity of termination or the maximum light intensity until reaching the first light source and/or the second light source.

8. device according to claim 7, wherein the adjustment of the ratio further comprises reaching the first light source The maximum light intensity and/or the second light source the minimum light intensity after one of the following:

Luminous intensity about the second light source reduces the luminous intensity of the first light source, until the input control signal is whole Only or the maximum light intensity of the minimum light intensity until reaching the first light source and/or the second light source, and

The luminous intensity of the first light source is set to its minimum light intensity and is set to the luminous intensity of the second light source Its maximum light intensity, and the luminous intensity about the second light source increases the luminous intensity of the first light source, until described defeated Enter to control the minimum intensity of light of signal terminating or the maximum light intensity until reaching the first light source and/or the second light source Degree.

9. device according to claim 8, wherein the adjustment of the ratio further comprises reaching the first light source Maximum light intensity and/or the second light source minimum light intensity after, further adjusting the first light source and described The second predetermined period is waited before ratio between the luminous intensity of second light source.

10. the device according to any one of claim 3 and 4, wherein second pre-defined rule includes passing through increase Or the luminous intensity of the first light source and second light source is reduced to adjust the merging luminous intensity, until the input control signal It terminates or the maximum light intensity until reaching the first light source or the second light source or until reaching the first light source Or the minimum light intensity of the second light source.

11. device according to claim 10, wherein adjust the merging luminous intensity and further comprise,

After the maximum light intensity for reaching the first light source or the second light source, the first light source and the second light are reduced The luminous intensity in source, until input control signal termination or the minimum until reaching the first light source or the second light source Luminous intensity, and/or

After the minimum light intensity for reaching the first light source or the second light source, increase the first light source and the second light The luminous intensity in source, until input control signal termination or the largest light intensity until reaching described first or the second light source Degree.

12. device described in any one of -6 according to claim 1, wherein implementing the light of the first light source and second light source The adjustment of ratio between intensity, so that the first light source and the merging luminous intensity of the second light source keep substantially permanent It is fixed.

13. device described in any one of -6 according to claim 1, wherein the first light source and/or the second light source The change of luminous intensity provided by the change as one or more predetermined amounts, it is each to change the light for making respective light source Intensity increases or decreases the predetermined amount.

14. device described in any one of -6 according to claim 1, wherein described device is configured as issuing one or more Signal is controlled, so that the expectation of the first light source and/or the luminous intensity of the second light source is caused to change.

15. the apparatus according to claim 1, described device include:

At least one processor and include at least one processor for the computer program code of one or more programs, institute It states at least one processor and the computer program code is configured as making described device using at least one described processor At least execute the importation and the control section.

16. a kind of computer-readable medium, wherein the second light source of first light source and the second color for controlling the first color The computer program of operation be embodied as on the computer-readable medium, the computer program refers to including one or more One or more sequences of order execute device at least when being run by one or more processors:

The input control signal with the user controllable duration is received,

It is characterized in that the computer program makes device when being run by one or more of processors:

Duration in response to the input control signal is more than the second predetermined threshold not less than first predetermined threshold, Change the characteristic of the light provided by the first light source and second light source, the change of the characteristic is believed depending on the input control Number duration and it is described change include ratio between the first light source and the luminous intensity of the second light source tune Whole and described change further includes the merging luminous intensity for adjusting the first light source and the second light source, so that described first Ratio between light source and the luminous intensity of the second light source keeps substantially constant.