JPH0522359B2 - - Google Patents

Description

[Detailed description of the invention]

INDUSTRIAL APPLICATION FIELD The present invention relates to a light control device, and more specifically,
The present invention relates to a dimming device that performs dimming control of a lighting load based on information regarding dimming stored in a memory. Prior Art A typical prior art dimming operation is shown in FIG. The scene is configured to start progressing by executing multiple queues.
Brightness, fade time, and delay time are stored in the memory corresponding to each cue, and by operating the first start button, the stored contents of the memory are sequentially read out. Automatically,
When a part cue is stored in the memory, for example, as shown in Table 1, the playback operation is as shown in FIG. 8, which is configured to perform light adjustment for each scene.

[Table] Here, queue 1 in Table 1 represents the start of the 0th scene by executing queue 1, and queue 1 part 1 represents the start of the 1st scene by executing queue 1. In the same expression below,
Table 1 is listed. When the start button is operated at time t1, Kyu 1 immediately starts fading and completes the fading three seconds later. Kew 1 Part 1 and Kew 1 Part 2 start fading simultaneously at time t2, which is delayed by 2 seconds from time t1, and Kew 1 Part 1 starts fading again after another 5 seconds.
Part 2 completes each fade after 7 seconds. Q1 part 3 finally starts the fade at time t3, which is delayed by 5 seconds from time t1, and completes the fade in 3 seconds. Problems to be Solved by the Invention In such prior art, a plurality of predetermined scenes are continuously played back by one trigger, that is, by operating the start button. Therefore, if the stage is progressing according to the schedule according to the fade time and delay time stored in memory, there will be no problem, but if a problem occurs, the stage's progress may be delayed, or it may be delayed. There is a problem that the prior art is unable to cope with the situation when it is not possible to store the fade time and delay time in advance in the memory due to the addition of ad-libs or the like. An object of the present invention is to provide a light control device that can perform effective lighting effects in accordance with stage progress. Means for Solving the Problems The present invention provides a scene setting operation circuit that includes lighting loads L1 to Ln and a plurality of scene setting elements 12 provided for each scene, and sets a dimming level LV for each scene. 3, a memory 7, a memory operation circuit 4 that sets pages that are sets of scenes, scenes included in each page, and a fade time T2 for each scene and stores them in the memory 7.
, page selection circuits 6, 34, and 34a that select a page during scene playback and recall scenes included in the selected page from the memory 7; and a playback circuit 5 that corresponds to each scene to be played. a reproducing circuit 5 having a scene reproducing feeder 25 provided for each scene, and a start operating means 28 provided corresponding to each scene to be reproduced; From the elapsed time T1 from the point in time and the fade time T2 stored in the memory 7 of the scene to be played, the first fade progress fi, fi=T1/T2×100(%), is calculated as time passes. the first fade progression degree fi calculated by the first calculation means and the output of the scene playback fader 25 set corresponding to the scene to be played; , the larger value is set as the second fade progression degree Fi, and the dimming level of the scene to be played is set as LV
Then, the second calculation means for calculating the output level SO, SO=Fi・LV, and the output level SO of each scene for each lighting load L1 to Ln, corresponding to the output level SO of the second calculation means.
outputs the higher level of lighting load L1~Ln
This is a light control device characterized in that it includes means 8, D1 to Dn, for driving. Effects According to the present invention, fade times for each of a plurality of sheets are stored in the memory, and by operating the start operation means, it is possible to instruct the start of fading for each scene. Therefore, based on the output of this start operation means, the fade time stored in the memory is calculated to calculate the fade progress, and the dimming control of the lighting load is performed. Therefore, even if there are changes in the progress of the stage,
It becomes possible to effectively produce lighting in accordance with the progress of the stage. In particular, according to the present invention, the first calculation means:
A first fade progress fi is calculated for each one or more sheets to be played, and a second calculating means manually sets the fade progress fi in the first diagram corresponding to the scene to be played. The output level SO
is calculated, it is easy to change the dimming level by manually operating the scene playback fader 25. Embodiment FIG. 1 is an overall block diagram of an embodiment of the present invention. A processing circuit 1 realized by a microcomputer or the like connects a scene setting operation circuit 3, a memory operation circuit 4, and a playback circuit 5 via a bus 2.
, a page selection circuit 6 for selecting a scene and therefore a page, and a memory 7 for storing information regarding dimming, to which an output circuit 8 is connected. The output circuit 8 includes a digital-to-analog converter 9 for converting the digital dimming signal from the bus 2 into an analog signal, and the output of the digital-to-analog converter 9 is held in a sample fold circuit 10. Outputs for each of the lighting loads L1 to Ln from the sample fold circuit 10 are given to drive circuits D1 to D7, thereby controlling the duty of the lighting loads L1 to Ln and dimming the stage lighting.
Lighting effect is achieved. Along with the memory operation of the scene shown in Figure 2,
The configuration will be further described. In the scene setting operation circuit 3, the brightness, that is, the dimming level is set using the scene setting fader 12 provided for each scene. The output of each scene setting fader 12 is sequentially applied to an analog/digital converter 14 via a multiplexer 13, converted into a digital signal, and applied to the processing circuit 1 via a bus 2.
Such an operation is shown at step a2 in FIG. Next, in the memory operation circuit 4, the numerical keys 15 are operated to set the number of the page which is a set of scenes, the number of the scenes included in each page, and the fade time for each scene. Next, the execution key 16 is operated. The outputs of the numeric key 15 and execution key 16 are sent from the input port 17 to the processing circuit 1 via the bus 2.
given to. Such an operation is indicated by step a3 in FIG. In step a4, the processing circuit 1 stores in the memory 7,
The contents set in the storage operation circuit 4, ie, the page number, scene number, and fade time are stored. In this memory operation circuit 4, the set contents can be visually displayed on the display 18. Display 18 shows page number 19 and scene number 2
0 and fade time 21 are displayed, and the contents thereof can be confirmed. By repeating such operations and operations, a plurality of scenes are sequentially stored in the memory 7. With reference to FIG. 3, the scene reproduction operation will be explained, and the configuration of the embodiment shown in FIG. 1 will also be explained.
The page selection circuit 6 has a plurality of page selection buttons 22, and by operating these page selection buttons 12,
Select the page of the scene to be played. The output of the page selection button 22 is applied to the processing circuit 1 from the input port 23 via the bus 2. Such an operation is shown at step b2 in FIG. In the next step b3, the processing circuit 1
Among the stored contents, the scene that matches the page number selected by the page selection button 22 is called to the processing circuit 1. The reproduction circuit 5 is provided with a scene reproduction fader 25 for operating and setting the degree of fade progression corresponding to each scene. The outputs of these scene reproduction faders 25 are applied to an analog/digital converter 27 via a multiplexer 26 and converted into digital signals, which are applied to the processing circuit 1 via the bus 2. The reproduction circuit 5 is also provided with a start button 28 which is a start operation means corresponding to each scene. The output of the start button 28 is applied to the processing circuit 1 from the bus 2 via the input port 29. By pressing the start button 28 of the corresponding scene in step b4, the processing circuit 1 calculates the degree of fade progress fi over time. fi=T1/T2×100(%)...(1) Here, T1 represents the elapsed time from the time when the start button 28 was operated, and T2 represents the fade time stored in the memory 7 corresponding to each scene. represents time. The processing circuit 1 compares the fade progress degree fi shown by the first equation with the output of the scene reproduction fader 25 set corresponding to the scene, and selects the larger value as the actual fade progress degree Fi. Then perform the following operation. SO=Fi·LV (2) Here, SO is the output corresponding to the dimming level of the lighting loads L1 to Ln. LV is. This is the dimming level stored in the memory 7, and is the final level when the fade is completed. In this way, the output level SO of the scene is calculated and determined in step b5. These calculations are performed for all the scenes recalled from the memory 7 for each page,
For each lighting load L1-Ln, the higher level of the output level SO of each scene is outputted to the output circuit 8 in step b6, thereby driving each lighting load L1-Ln. In this way, when the operator operates the start button 28, it becomes possible to perform effective lighting effects in accordance with the progress of the stage. As another embodiment of the present invention, the scene setting operation circuit 3 is provided with a push button in place of the scene setting fader 12, and the input operation of the push button directly causes the
The dimming level of the lighting load may also be set. The page number of the memory operation circuit 4 is set by operating the page selection button 22 provided in the scene selection circuit 6, and the scene number is set by the start button 28 of the playback circuit 5. In this case, the numerical keys 15 may be used only for inputting the fade time. Instead of the page selection button 22 in the page selection circuit 6, numerical keys and a display may be used to select a page and therefore a scene. FIG. 4 is an overall block diagram of another embodiment of the invention. This embodiment is similar to the previous embodiment and corresponding parts are provided with the same reference numerals. It should be noted that in this embodiment, a display 31 is provided which is used together with the memory operation circuit 4 to input the playback order. The numerical keys 15 in the memory operation circuit 4 are used to store the playback order, and at this time, the queue number 32 and the page number 3 are used to store the playback order.
3 is displayed on the display 31, allowing confirmation at the time of operation. Furthermore, a reproduction order calling circuit 34 is provided. This reproduction order calling circuit 34 has a queue forwarding button 35, and the output of this queue forwarding button 35 is applied from the bus 2 to the processing circuit 1 via an input port 36. In the embodiment shown in FIG. 4, scene storage and scene playback are similar to the configuration and operation described in connection with FIGS. 2 and 3 above. In order to store the playback order of scenes, the operation of FIG. 5 is performed. In step c2, in the memory operation circuit 4, the cue number and page number that give the prompt to start the scene are set using the numeric keys 15, and after confirming them on the display 31, the execution key 16 is pressed. do. As a result, step c2 in FIG. 5 is executed, and the processing circuit 1 stores the queue number and page number set above in the memory 7. Such operations and actions are repeated, and the queues are sequentially stored in step c3. The operation of automatically reproducing a scene is shown in FIG. In step d2, the queue advance button 35 in the reproduction order calling circuit 34 is pressed. As a result, the processing circuit 1 reads the page number stored in the memory 7 corresponding to the queue number 1 from the memory 7 in step d3. Next, the scene included in this page number is transferred from the memory 7 to the processing circuit 1 in step d4.
Call in. In this way, each time the cue forwarding button 35 is pressed, the scenes are sequentially called up to the processing circuit 1 in the order stored in the memory 7 in advance. As another embodiment of the present invention, when setting the cue number, the dimming levels of the lighting loads L1 to Ln set in the scene setting operation circuit 3 are simultaneously stored in the memory 7, and during playback, the dimming levels of the lighting loads L1 to Ln are stored together with the lights during playback. It may also be called. FIG. 7 is an electrical circuit diagram showing a part of the reproduction order calling circuit 34a according to another embodiment of the present invention. In this playback order calling circuit 34a, two faders 3
7 and 38 are configured as a so-called cross feeder in which the sliders 7 and 38 are connected in reverse to each other, and the sliding pieces 39 and 40 can be displaced in conjunction with each other. The output of one feeder 37 is 0% and the output of the other feeder 38 is 0%.
When the output of the one feeder 37 is 100%, or the output of the one feeder 37 is 100% and the output of the other feeder 3
When the output of 8 is 0%, the scene is called from the memory 7 to the processing circuit 1. Faders 37 and 38 correspond to the current scene and the scene to be played next, respectively. Further, a submaster fader 41 may be provided corresponding to the current scene, and used to sequentially start fading scenes within one page and execute a cue. By using the cross faders 37, 38 and the submaster fader 41 in this manner, it becomes possible to show changes in the light for performing a play, for example. In addition, in order to produce a rock show, etc., one page can be stored in the memory 7 corresponding to the lighting effects for one song, and selection for each page can be quickly performed by the page selection circuit 6. It is. In this way, it is possible to realize a fade start for each scene, that is, a part cue, by using a submaster memory that assigns and stores scenes to faders on a dimming desk that has a submaster fader that can perform page switching. can. A dimming device that has a submaster memory that can switch pages is advantageous for producing rock show performances, etc., and is conveniently designed to produce lighting effects using one page of submaster memory for each song. Ru. When the song changes, you can instantly call up a different page and perform lighting effects.
A piano switch is also provided so that each submaster memory can be blinked instantly. In this way, the number of pages is 20 to 50 pages, and the submaster memory is 10 to 40 scenes/page. On the other hand, when performing lighting effects for a play, elements that show changes in light become important, so part control is incorporated. In the above-mentioned embodiment, these two conflicting performances, ie, rock show and play, can be realized with one light control device. That is, by making it possible to use the sub-master memory as a part queue, it is possible to perform contradictory lighting performances such as a rock show and a play with a single light control device. Queue feed by crossfader 3 in Figure 7.
In the example performed in 7 and 38, the performance ability in the play is particularly enhanced. Effects of the Invention As described above, according to the present invention, it is possible to instruct the start of the fade progression of each scene by operating the start operating means, and by operating the start operating means, The fade progress can be calculated based on the fade time for each scene, and the lighting load can be controlled, so even when stage progress is delayed or accelerated, or when there is improvisation, etc. According to the present invention, the first fade progression degree fi calculated by the first calculation means and its Compare the output of the scene playback fader 25 set corresponding to the scene to be played, and set the output level FO to the second fade progress level Fi by using the larger value.
Since the calculation is performed using the calculation means, an excellent effect is achieved in that the fade of the scene can also be changed by manual operation of the scene reproduction fader 25.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the overall configuration of an embodiment of the present invention, FIG. 2 is a flowchart for explaining the storage operation in the embodiment of FIG. 1, and FIG. 3 is the same as that shown in FIG. 1. A flowchart for explaining the playback operation of the embodiment, FIG. 4 is a block diagram showing the overall configuration of another embodiment of the present invention, and FIG. 5 shows the playback order of scenes in the embodiment shown in FIG. 4. FIG. 6 is a flowchart for explaining the automatic scene playback operation of the embodiment shown in FIG. Electric circuit diagram showing the configuration of the playback order calling circuit 34a of another embodiment, No. 8
The figure is a diagram for explaining the prior art. DESCRIPTION OF SYMBOLS 1... Processing circuit, 2... Bus, 3... Scene setting operation circuit, 4... Memory operation circuit, 5... Playback circuit, 6... Page selection circuit, 7... Memory, 8...
...Output circuit, 12...Scene setting fader, 15
...Numeric key, 16...Execution key, 22...Page selection button, 25...Scene playback fader, 28...
...Start button, 34, 34a... Playback order calling circuit.

Claims (1)

[Scope of Claims] 1. Lighting loads L1 to Ln, a scene setting operation circuit 3 having a plurality of scene setting elements 12 provided for each scene and setting a dimming level LV for each scene, and a memory. 7, and a memory operation circuit 4 that sets pages that are sets of scenes, scenes included in each page, and fade time T2 for each scene and stores them in the memory 7.
, page selection circuits 6, 34, and 34a that select a page during scene playback and recall scenes included in the selected page from the memory 7; and a playback circuit 5 that corresponds to each scene to be played. a playback circuit 5 having a scene playback fader 25 provided for each scene to be played; and a start operation means 28 provided corresponding to each scene to be played; From the elapsed time T1 from the point in time and the fade time T2 stored in the memory 7 of the scene to be played, the first fade progress fi, fi=T1/T2×100(%), is calculated as time passes. the first fade progression degree fi calculated by the first calculation means and the output of the scene playback fader 25 set corresponding to the scene to be played; , the larger value is set as the second fade progression degree Fi, and the dimming level of the scene to be played is set as LV
Then, a second calculation means calculates the output level SO, SO=Fi・LV, and in response to the output level SO of the second calculation means, the output level SO of each scene is calculated for each lighting load L1 to Ln.
outputs the higher level of lighting load L1~Ln
A light control device comprising means 8, D1 to Dn for driving.