KR100821807B1 - Landing display device for elevator - Google Patents

Abstract

After the operation of the destination button, the elevator platform displays the assigned vehicle over a predetermined time period after the display of the assigned car starts, and the passengers of the platform can clearly recognize the assigned car. Get

The destination floor registration device 10 has a destination button 11 and an assigned car display panel 12, and the elevator group management control device 20 registers a landing destination call according to the operation of the destination button 11. Destination call registration means 21, assignment car determination means 22 for determining an assigned car to respond to the landing destination call, and assignment car display mode control means 23 for setting the display form of the assignment car. And assignment car display means 24 for displaying the assignment car on the assignment car display panel 12 in the set display form.

The assigned car display mode control means 23 displays the display of the assigned car over the period from the start of displaying the assigned car to the assigned car display panel 12 until a predetermined time elapses. After the predetermined time has elapsed, the display of the assigned car is set to the second display form.

Description

Platform display device of elevator {LANDING DISPLAY DEVICE FOR ELEVATOR}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a platform display device for an elevator in which a destination button is installed in a platform, and more particularly, to a new technology for clearly identifying an assigned car to answer a landing destination call to a passenger who has operated a destination button at the platform. It is about.

In general, a destination floor registration device is provided in a platform serving as a service floor of a car, and a destination button and an assigned car display panel are disposed adjacent to the destination floor registration device. The destination floor registration device is connected to the landing destination call registration means and the assigned car display means in the elevator group management control device.

Therefore, when the destination button of the destination floor registration device is operated at the landing and the landing destination call is registered, the assigned elevator car to which the landing destination call is to be answered in the elevator group management control device is determined, and the allocation elevator of the destination floor registration device is determined. The assigned car is displayed on the cell display panel.

In addition, as a conventional elevator platform display device, the assigned elevator car display on the assigned car display panel is continued until the assigned car arrives at the passenger waiting floor where the destination button is operated, thereby allowing the user to actually elevate the elevator. An apparatus for easily recognizing has been proposed (see Patent Document 1, for example).

Patent Document 1: Japanese Patent Application Laid-Open No. 2000-272850

In the conventional elevator platform display apparatus, the assigned car is displayed for each registered destination floor. Therefore, when the landing destination call of multiple floors is registered, a plurality of assigned cars are displayed. There was a problem that it took time to recognize an assigned car corresponding to one's destination.

Moreover, when the destination button which is already registered is operated again, there existed a problem that the indication of the assigned car corresponding to the operated destination floor was not able to be judged promptly, and to which elevator the elevator should be lifted.

An elevator platform display apparatus according to the present invention is connected to an elevator group management control device that controls a plurality of cars and an elevator group management control device, and registers a destination floor provided in a platform corresponding to a service floor of a plurality of cars. The destination floor registration device includes a destination button and an assigned car display panel provided adjacent to the destination button, and the elevator group management control device registers a destination destination call for registering a destination destination call according to the operation of the destination button. Means, an assignment car determining means for determining an assigned car to respond to a landing destination call, an assignment car display form control means for setting a display form of the assignment car, and an assignment car display form control means. doxy Allocation car display means for displaying the allocation car on the allocation car display panel in a predetermined display form, and in response to the operation of the destination button, when the landing destination call is registered and the allocation car is determined, the allocation car display An elevator platform display device for displaying an assigned car on a panel, wherein the assigned car display mode control means assigns a display for allocating a car on the assigned car display panel over a period of time until a predetermined time elapses. The display of the car is set to the first display form, and after a predetermined time has elapsed since the display of the assigned car is started, the display of the allocated car is set to the second display form.

BRIEF DESCRIPTION OF THE DRAWINGS The block diagram which shows the whole structure of the boarding point display apparatus of the elevator which concerns on embodiment of this invention (Example 1).

Fig. 2 is a block diagram showing the circuit configuration of the boarding point display device of the elevator according to the first embodiment of the present invention (Embodiment 1).

3 is a flowchart (Example 1) showing a specific operation example of the boarding point display device of an elevator according to Embodiment 1 of the present invention.

Fig. 4 is a block diagram showing the overall configuration of a boarding point display device of an elevator according to a second embodiment of the present invention (Embodiment 2).

5 is a flowchart (Example 2) showing a specific operation example of the boarding point display apparatus of the elevator according to Example 2 of the present invention.

Fig. 6 is a block diagram showing the overall configuration of a boarding point display device of an elevator according to a third embodiment of the invention (Embodiment 3).

Fig. 7 is a block diagram showing the circuit configuration of the boarding point display device of the elevator according to the third embodiment of the present invention (Embodiment 3).

8 is a flowchart (Example 3) showing a specific operation example of the boarding point display apparatus of the elevator according to Example 3 of the present invention.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and provides an elevator platform display device capable of clearly recognizing an assigned car to be responded to a passenger who has operated a destination button at the platform and smoothly guiding the vehicle. For the purpose of

Example l

BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram which shows the whole structure of the boarding point display apparatus of the elevator which concerns on Example 1 of this invention with a peripheral related apparatus.

In Fig. 1, the destination floor registration device 10 is provided with a platform for each service floor of an elevator car (hereinafter, simply referred to as an "elevator car") 40 and arranged in correspondence with each floor. The button 11 and the allocation car display panel 12 arrange | positioned adjacent to each destination button 11 are provided.

The elevator group management control device 20 assigns a platform destination call registration means 21 for registering a platform destination call according to the operation of the destination button 11, and an assignment car for determining the assigned car that should respond to the registered platform destination call. Assigned car display in the display form set by the car determination means 22, the assigned car display form control means 23 which sets the display form of the assigned car, and the assigned car display form control means 23 Allocation car display means 24 which displays the allocation car on the panel 12 are provided.

The allocation car determination means 22 in the elevator group management control device 20 is connected to the car control device 30 which controls the car 40.

The car control device 30 cooperates with the elevator group management control device 20 to control the plurality of cars 40 and register the assigned car determined by the assigned car determination means 22. Answer the destination call.

In Fig. 1, when a desired destination button 11 is operated at a place where a passenger waits, the desired destination floor is registered, and the elevator group management control device 20 assigns an assigned car to answer the landing destination call. It is determined and displayed on the assigned car display panel 12.

That is, the elevator group management control device 20 registers the landing destination call corresponding to the destination floor by the landing destination call registration means 21 in response to the operation of the destination button 11, and assigns the assigned car determination means. The assigning car which should answer a landing destination call is determined by 22, the assigning car display form control means 23 sets the display form of an allocating car, and assigns the car display means 24 ), The assigned car is displayed on the assigned car display panel 12.

In this case, in the platform in which the destination floor registration apparatus 10 is installed, the destination buttons 11 (refer to a thick border) of the 4th and 7th floors are operated by a passenger, and the B and A machines are performed for each destination floor. It is assigned (refer to "A" and "B" in the assigned car display panel 12), and has shown the state in which the assigned breath was displayed.

The assigned car display mode control means 23 has timekeeping means for measuring a predetermined time, and the period from the start of displaying the assigned car to the assigned car display panel 12 until the predetermined time elapses. After the predetermined time has elapsed since the display of the assigned car is set to the first display form (for example, a blinking display) and the display of the assigned car is started, the display of the assigned car is changed to the second display form. (For example, lit display).

The display form of the assigned car can also be distinguished by different display colors and the like.

The assigned car display means 24 displays the assigned car on the assigned car display panel 12 in the display mode set by the assigned car display form control means 23.

The elevator group management control apparatus 20 and the car control apparatus 30 are comprised with the microcomputer (henceforth "microcomputer"), and the elevator group management control apparatus 20 is a plurality of car 40 ) Is managed as a group, and the car control device 30 controls the operation of each car 40.

Fig. 2 is a block diagram showing the circuit configuration of the boarding point display device of the elevator according to the first embodiment of the present invention, and shows the configuration of the elevator group management control device 20 and the car control device 30.

In FIG. 2, the elevator management control device 20 is a transmission device 20B that transmits and receives data between the central processing unit (hereinafter referred to as “CPU”) 20A and the car control device 30. And a storage device 20C for storing programs and data, and a conversion device 20D for converting signal levels of input / output data.

Similarly, the car control device 30 includes a transfer device 30B that transmits and receives data between the CPU 30A and the elevator group management control device 20, and a storage device 30C that stores programs and data. And a converter 30D for converting the signal level of the input / output data.

The elevator group management control device 20 and the car control device 30 are connected via the transmission devices 20B and 30B.

The destination floor registration device 10 of the platform is connected to the conversion device 20D in the elevator group management control device 20, and the car 40 is connected to the conversion device 30D in the car control device 30. have.

In addition, the storage device 20C in the elevator group management control device 20 has a landing destination call registration unit 21, an assigned car determining unit 22, an assigned car display mode control unit 23, and an assigned car. The processing program of the display means 24 is stored.

Next, the concrete operation | movement by Embodiment 1 of this invention is demonstrated with reference to the flowchart of FIG. 3 with FIG. 1 and FIG.

In FIG. 3, the destination floor registration apparatus 10 provided in the boarding point first determines whether the destination button 11 was pressed in the boarding point (step S1), and the destination button 11 is not pressed (that is, If NO) is determined, the operation of the destination button 11 is awaited by repeating step S1 until the destination button 11 is pressed.

On the other hand, if it is determined in step S1 that the destination button 11 is pressed (that is, yes), the destination button light of the operated destination button 11 is turned on, and the registered destination floor is managed by the elevator group. It inputs to the control apparatus 20, and determines the allocation car which should respond to a landing destination call by the landing destination call registration means 21 and allocation car determination means (step S2).

Subsequently, the assigned car display form control means 23 and the assigned car display means 24 are assigned the assigned car names (for example, A and B units) determined in step S2 to the destination floor registration device ( The blinking display is displayed on the assigned car display panel 12 of step 10) (step S3).

Next, it is determined whether or not the predetermined time has elapsed (step S4). If it is determined that the predetermined time has not elapsed (that is, no), step S4 is repeated to wait for the elapse of the predetermined time.

On the other hand, if it is determined in step S4 that the predetermined time has elapsed (that is, yes), the assigned car display mode control means 23 and the assigned car display means 24 are assigned to the assigned car display panel 12. The display type of the assigned car is switched to the lit display (step S5).

Next, the destination floor registration device 10 is a destination button 11 (destination floor registration device 10) in which an assigned car is operated under the control of the elevator group management control device 20 and the car control device 30. It has been determined whether or not it reaches the installation floor of step (step S6).

If it is determined in step S6 that the assigned car does not arrive (that is, no), step S6 is repeated to wait for the arrival of the assigned car.

On the other hand, if it is determined in step S6 that the assigned car has arrived (i.e., yes), the destination button of the destination button 11 to which the assigned car has responded is turned off (step S7).

Finally, for the assigned car which arrived, the in-car destination call corresponding to the floor of the landing destination call was automatically registered (step S8), and the assigned car was driven toward the floor of the automatically registered destination call. Terminate the processing routine.

For example, when the destination button 11 is operated as shown in Figs. 1 and 2 in the destination floor registration device 10 provided on the first floor of a building, and the landing destination call to the fourth and seventh floors occurs. At the time when the assigned car (unit B) responding to the platform destination call to the fourth floor arrives on the first floor, the destination call in the car to the fourth floor is automatically registered in unit B, and unit B goes to the fourth floor. You will drive.

In this way, the elevator group management control device 20 is provided in the elevator platform with the destination floor registration device 10 having the destination button 11 and the assigned car display panel 12 and connected to the destination floor registration device 10. By assigning the assigned car display mode control means 23 and setting the assigned car display pattern to flashing display for a predetermined time after starting display of the assigned car on the assigned car display panel 12. The passenger waiting at the platform can easily recognize the assigned car, and can smoothly guide the passenger to arrive at the arrival of the assigned car.

Further, in the above embodiment, in step S3, the assigned car names (units A and B) displayed on the assigned car display panel 12 are flickered for a predetermined time, but the display is prominent for the waiting passengers. In the case of a display mode in which the display mode is set to 1, the display color is not limited to flashing.

Example 2

In the first embodiment, the display mode is specially set for a predetermined time after starting display of the assigned car, but the platform destination button operation detecting means 25 is provided as shown in FIG. Even when it detects the operation of the destination button 11 which the destination button light is already lighting up, you may specially set the display form of the assigned car over a predetermined time.

4 is a block diagram showing the overall configuration of Embodiment 2 of the present invention.

In FIG. 4, about the same thing as the above-mentioned (refer FIG. 1), the same code | symbol as the above is attached | subjected, or "X" is attached after a code | symbol, and a description is abbreviate | omitted.

In this case, the elevator group management control apparatus 20X is provided with the landing destination button operation detection means 25 which detects the operation of the destination button 11, The detection signal from the landing destination button operation detection means 25 is It is input to allocation car display mode control means 23X.

For this reason, the assignment car display form control means 23X sets the display form of the assignment car to be special (for example, blinking display) over a predetermined time after detecting the operation of the destination button 11. .

In addition, since the circuit structure by Embodiment 2 of this invention is as showing in FIG. 2, it abbreviate | omits description.

Next, with reference to FIG. 4, the concrete operation | movement by Embodiment 2 of this invention is demonstrated with reference to the flowchart of FIG.

In Fig. 5, steps S1 to S9 are the same processes as described above (see Fig. 3).

First, it waits until the destination button 11 provided in the platform is pressed (step S1), at the time when the destination button 11 is pressed, it turns on the destination button 11 of the destination button 11, and assigns the elevator which should respond. The space is determined (step S2).

Subsequently, the determined assigned car name is flashed on the car display panel 12 (step S3), waiting for a predetermined time to elapse (step S4), and the display form of the assigned car at a time point when the predetermined time has elapsed. Is switched to the lit display (step S5).

Next, it is determined whether or not the allocated car has arrived at the installation floor of the destination button 11 of the landing (step S6). When the assigned car arrives, the destination button, etc. are turned off, the destination call in the car is automatically registered and Running to the destination call floor (steps S7 to S9) is performed, and the processing routine of FIG. 5 ends.

On the other hand, if it is determined in step S6 that the car does not arrive (i.e., no), then it is determined whether or not the destination button 11 is pressed (step S10).

If it is determined in step S10 that the destination button 11 is not pressed (that is, no), the flow returns to step S6 to wait for the arrival of the assigned car.

On the other hand, if it is determined in step S10 that the destination button 11 is pressed (that is, yes), the display of the assigned car is switched to the blinking display (step S11), and it is determined whether a predetermined time has elapsed. (Step S12).

At this time, even when the destination button 11 whose destination button light is already lit is pressed again, the display of the assigned car in the assigned car display panel 12 is switched to the blinking display.

If it is determined in step S12 that the predetermined time has not elapsed (that is, no), step S12 is repeated to wait for the elapse of the predetermined time.

On the other hand, if it is determined in step S12 that the predetermined time has elapsed (that is, YES), the display of the assigned car is switched to the lit display (step S13), and the process returns to step S6.

In this way, the assigned car display mode control means 23X not only after displaying the determined assigned car but also in response to a detection signal from the landing destination button operation detecting means 25, the destination button 11 is operated. After the predetermined time has elapsed since the destination button 11 is operated and the display of the assigned car is set to a special display form (for example, a blinking display) over a predetermined time, the display of the assigned car is displayed as a normal display. It can be set to the shape (lighting display).

In addition, even when the destination button 11 that is already lit is pressed, the detection signal from the landing destination button operation detection means 25 is input to the assigned car display mode control means 23X, and therefore, for a predetermined time immediately after the operation. The assignment car display panel 12 can be switched to a special display.

For this reason, as mentioned above, the passenger who operated the destination button 11 can recognize the assignment car clearly, and can smoothly guide a ride at the arrival of an assignment car.

Example 3

In addition, in the second embodiment, the case where one destination floor registration device 10 is provided for one platform has been described. However, as shown in FIGS. 6 and 7, a plurality of destination floor registration devices (for one platform) ( 10, 10B) may be provided, and the assigned car may be specially displayed only on the assigned car display panel of the destination floor registration device on the side where the destination button is operated.

6 is a block diagram showing the overall configuration of Embodiment 3 of the present invention, and FIG. 7 is a block diagram showing the circuit configuration of Embodiment 3 of the present invention.

6 and 7, the same reference numerals as those described above (see Figs. 4 and 2) are given the same reference numerals as above, or "Y" is given after the reference numerals and the description is omitted.

In this case, not only the first destination floor registration device 10 but also the second destination floor registration device 10B having the same configuration as that of the destination floor registration device 10 are parallel to the platform where the destination floor registration device 10 is installed. And an elevator group management control device 20Y, respectively.

The destination floor registration device 10B has a destination button 11B arranged nearby and an assigned car display panel 12B.

The elevator group management control device 20Y is assigned car display means 24B and landing destination button operation detection means 25B interposed between the destination floor registration device 10B and the assigned car display form control means 23Y. ).

The assigned car display means 24B displays the assigned car on the assigned car display panel 12B of the destination floor registration device 10B, and the destination button operation detection means 25B is operated by the destination button 11B. When it detects that a certain thing has been detected, the detection signal is input to the assigned car display mode control means 23Y.

Further, a plurality of destination floor registration devices 10 and 10B are connected to the landing destination call registration means 21Y in the elevator group management control device 20Y, and the landing destination call registration means 21Y is connected. ) Registers the landing destination call according to the operation of the destination buttons 11 and 11B for each of the destination floor registration devices 10 and 10B.

The assigned car display means 24 and 24B are assigned car display panels 12 and 12B for each of the plurality of destination floor registration devices 10 and 10B in a display form set by the assigned car display form control means 23Y. Mark the assigned car.

The boarding point destination button operation detecting means 25, 25B separately detects the operation state of each of the destination buttons 11, 11B for each of the destination floor registration devices 10, 10B.

In FIG. 6, in response to the operation of each of the destination buttons 11 and 11B, when the landing destination call is registered in the elevator group management control device 20Y and the assigned car is determined, the destination floor registration device 10, 10B. The assigned car is displayed on each assigned car display panel 12, 12B for each.

In FIG. 7, the conversion device 20DY in the elevator group management control device 20Y is connected to the destination floor registration devices 10, 10B.

The assigned car display mode control means 23Y is the destination floor registration device 10, 10B for a period from the start of displaying the assigned car to the assigned car display panels 12 and 12B until a predetermined time elapses. Display of the assigned car in the assigned car display panel 12 (or 12B) of the destination floor registration device 10 (or 10B) in which the destination button was operated. In the assigned car display panel of the destination floor registration device where the destination button 11 (or 11B) is operated after a predetermined time has elapsed since the display of the assigned car was started. The display of the assigned car is set to a second display mode (for example, a lit display).

Next, the concrete operation | movement by Embodiment 3 of this invention is demonstrated with reference to the flowchart of FIG. 8 with FIG. 6 and FIG.

In Fig. 8, steps S1 to S9 are the same processes as described above (see Figs. 3 and 5).

In addition, steps S10 to S13 are the same processes as described above (see FIG. 5), and steps S14 to S17 are the processes corresponding to steps S10 to S13.

First, as described above, wait until the destination buttons 11 and 11B provided in the platform are pressed (step S1), and when the destination buttons 11 and 11B are pressed, the destination button lights up, and at the same time, the assigned elevator to answer The space is determined (step S2).

Next, the determined assigned car name is flashed on the assigned car display panels 12 and 12B (step S3), waits for a predetermined time to elapse (step S4), and displays the assigned car when the predetermined time elapses. Is switched to the lit display (step S5).

Next, it is determined whether or not the assigned car has arrived at the installation floor of the destination floor registration devices 10 and 10B (the destination buttons 11 and 11B) (step S6). Execute S9.

On the other hand, if the assigned car does not arrive, it is determined whether the destination button 11 of the first destination floor registration device 10 has been pressed (step 70s0), and the destination button 11 is not pressed. If it is determined as (no), the process proceeds to the determination process (step S14) of the destination button 11B relating to the second destination floor registration device 10B.

On the other hand, if it is determined in step S10 that the destination button 11 is pressed (that is, yes), the display mode of the assigned car in the assigned car display panel 12 of the destination floor registration device 10 is determined. The display is switched to the blinking display (step S11), and waits for the elapse of a predetermined time (step S12).

At this time, even when the destination button 11 whose destination button light is already lit is pressed again, the display of the assigned car in the assigned car display panel 12 is switched to the blinking display.

In step S12, if it is determined that the predetermined time has elapsed (that is, yes), the display mode of the assigned car in the assigned car display panel 12 of the destination floor registration device 10 is switched to the lit display. (Step S13), It is determined whether the destination button 11B of the 2nd destination floor registration apparatus 10B was pressed (step S14).

In step S14, when it is determined that the destination button 11B is not pressed (i.e., no), the process returns to step S6. When it is determined that the destination button 11B is pressed (i.e., yes), the destination floor registration device 10B Display mode of the assigned car in the assigned car display panel 12B is switched to the blinking display (step S15), and the elapse of the predetermined time is waited (step S16).

At this time, even when the destination button 11B whose destination button light is already lit is pressed again, the display of the assigned car in the assigned car display panel 12B is switched to the blinking display.

If it is determined in step S16 that the predetermined time has elapsed (that is, YES), the display mode of the assigned car in the assigned car display panel 12B of the destination floor registration device 10B is switched to the lit display. (Step S17), it returns to step S6. The processing of steps S7 to S9 is the same as described above, and description thereof is omitted here.

In this way, a plurality of destination floor registration devices 10, 10B are provided in the same platform, and each destination floor registration device 10, 10B is connected to the elevator group management control device 20Y, thereby making the destination buttons 11, 11B. ), The assigned elevator car is simultaneously displayed on the assigned car display panels 12 and 12B corresponding to the destination floor, and the assigned elevator of the destination floor registration devices 10 and 10B. Only the cell display panel 12 or 12B can be set to a special display form (flashing display or other display color) over a predetermined time after starting display of the assigned car.

Also, even when the destination buttons 11 and 11B that are already lit are pressed, the detection signals from the landing destination button operation detection means 25 and 25B are inputted to the assigned car display mode control means 23Y. The assigned car display panels 12 and 12B can be switched to a special display for a predetermined time immediately after the operation.

Therefore, as mentioned above, the passenger who operated the destination buttons 11 and 11B can be made to recognize an assignment car clearly, and can smoothly guide a ride at the arrival of an assignment car.

According to the present invention, the passenger who has operated the destination button at the platform can clearly recognize the assigned car to answer the landing destination call, so that the passenger can be smoothly guided when the assigned car arrives.

Claims (6)

An elevator group management control device for controlling a plurality of cars, A destination floor registration device connected to the elevator group management control device and installed in a platform corresponding to a service floor of the plurality of cars, The destination floor registration device has a destination button and an assigned car display panel provided adjacent to the destination button, The elevator group management control device Platform destination call registration means for registering a platform destination call according to the operation of the destination button; Allocation car deciding means for determining an allocation car to which the landing destination call should be answered; Assignment car display mode control means for setting a display mode of the assignment car; Assignment car display means for displaying the assignment car on the assignment car display panel in a display mode set by the assignment car display mode control means; Platform destination button operation detection means for detecting an operation state of the destination button; In the elevator platform display apparatus, in response to the operation of the destination button, when the landing destination call is registered and the allocation car is determined, the allocation car display is displayed on the allocation car display panel. The allocation car display form control means The display of the assigned car is set to the first display form over a period from the start of displaying the assigned car to the assigned car display panel until the predetermined time elapses, After a predetermined time has elapsed since the display of the assigned car is started, the display of the assigned car is set to a second display form, Further, the assigned car display mode control means In response to the detection signal from the landing destination button operation detecting means, the display of the assigned car is set to the first display form over a period from when the destination button is operated until the predetermined time elapses. , And the display of the assigned car is set to the second display mode after the predetermined time has elapsed since the destination button was operated. delete The method of claim 1, The destination floor registration device includes a plurality of destination floor registration devices that are provided in parallel in the same platform and have the same configuration. The allocation car display form control means and the allocation car display means In response to the operation of each destination button of the plurality of destination floor registration devices, when the landing destination call is registered and the assigned car is determined, the plurality of destination cars are displayed in the display mode set by the assigned car display type control means. The allocation car is displayed on each allocation car display panel for each destination floor registration device, The assigned elevator of the destination floor registration device in which the destination button was operated among the plurality of destination floor registration devices over a period from the start of displaying the assigned car on the assigned car display panel until the predetermined time elapses. Only the display of the assigned car in the cell display panel is set to the first display mode. The method according to claim 1 or 3, The first display form is a blink display, And said second display form is a lit display. The method according to claim 1 or 3, The first display form is a first color display, And said second display form is a second color display different from said first color display. The method of claim 4, wherein The first display form is a first color display, And said second display form is a second color display different from said first color display.

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