JPH06211450A - Elevator system - Google Patents

Abstract

PURPOSE:To provide an elevator system capable of effective attraction of the eyes of passengers to the image by displaying the image which is changed according to the position of a car. CONSTITUTION:An elevator system where an image displaying equipment 3 is installed in a cage 1 is provided with an image source storing equipment 4 where the image which is changed according to the position of the car 1 is recorded, a video memory 6 to store the image signal to be reproduced from the image source storing equipment 4, and a control circuit 7 to control write and read of the signal for the video memory 6. The control circuit 7 reproduces the image signal of the memory area and writes its in the video memory 6 according to the position of the cage 1 from the image source storing equipment 4 based on the information of the position to be obtained from an elevator control device 2, and at the same time, reads the signal from the video memory 6 and prepares the image signal of one screen, and transmits it to the image displaying equipment 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator system in which an image display device is installed in a car of an elevator whose operation is controlled by an elevator controller.

[0002]

2. Description of the Related Art Generally, passengers who board an elevator do not know each other, and the boarding space in the elevator is limited. Therefore, especially when a large number of passengers are crowded, the passengers approach each other or The contact creates discomfort and tension.

Therefore, conventionally, as measures for relieving stress, various measures have been taken such as providing comfortable lighting in the car and playing music.

Further, an elevator system has been proposed in which an image display device is provided on the wall surface of the car to reduce the stress by collecting the line of sight of the occupant in the image (Japanese Patent Laid-Open No. 3-182489). B66B11 / 02]).

[0005]

However, even in the conventional elevator system in which the image display device is provided in the car, the line of sight of the passenger does not sufficiently gather in the image of the image display device, and the desired stress is reduced. The effect could not be realized.

[0006] Therefore, when the applicant investigated the cause, the interest of the passengers was focused on the movement and position of the ascending / descending car, and the operation of the elevator such as opening / closing of the door. It was concluded that the image on the image display device was largely caused by being unrelated to the operation of the elevator.

An object of the present invention is to provide an elevator system capable of effectively gathering the line of sight of a passenger in an image by displaying an image corresponding to the operation of the elevator.

[0008]

A first elevator system according to the present invention is a video source storage device (4) in which a video image that changes according to the position of a car (1) that moves up and down is recorded.
And a video memory (6) capable of storing at least two fields of a video signal reproduced from the video source storage device (4), and controlling reading and writing of the signal to and from the video memory (6). It comprises a control circuit (7) for supplying a video signal to the video display device (3). The control circuit (7) includes means for acquiring position information of the car (1) based on a position signal obtained from the elevator control device (2), and a video source storage device based on the acquired position information.
A means for reproducing the video signal of the recording area corresponding to the position of the car (1) from (4) and writing it to the video memory (6), and a signal for reading one screen image signal from the video memory (6). Means for creating and sending to the video display device (3).

The second elevator system according to the present invention further includes a video source storage device (41) in which a video representing the opening / closing operation of the door of the car (1) is recorded, and a video source storage device (41). A video memory (61) capable of storing the video signal reproduced from the video memory (61), and controlling the writing and reading of the signal to and from the video memory (61), and supplying the read video signal to the video display device (3). It has a control circuit (71). The control circuit (71) reproduces the video signal of the corresponding recording area from the video source storage device (41) based on the door opening / closing signal obtained from the elevator control device (2) to reproduce the video memory.
(61) means for writing to and video signal from the video memory (61) to create a video signal for one screen, video display device
And means for sending to (3).

Further, the third elevator system according to the present invention comprises an encoded data storage device (42) in which an image of a subject approaching or leaving at a constant speed is encoded and recorded for each frame number. A coded data memory for storing data read from the coded data storage device (42)
(62), a decoding circuit (8) for decoding the data read from the encoded data memory (62), and the decoding circuit (8)
A signal processing circuit for creating a video signal for one screen based on the output signal of the above and supplying it to the video display device (3), and data reading from the coded data storage device (42) and a coded data memory (62) Control circuit to control data writing to (72)
It is equipped with The control circuit (72) is an elevator control device.
Means for determining a frame number according to the moving speed of the car (1) based on the speed signal of the elevator obtained from (2), and the data of the determined frame number from the encoded data storage device (42) Read and encode data memory (62)
And means to write to.

[0011]

In the first elevator system described above, the image source storage device (4) is previously moved up and down to the elevator car (1).
An image that changes according to the position of is recorded. The image is a plurality of still images assigned to each floor where the car (1) stops, or a plurality of types of moving images assigned to each floor where the car (1) stops.

The elevator car (1) is controlled by the elevator control device (2) and moves up and down to the control circuit (7) from the elevator control device (2) to the current position of the car (1). A corresponding position signal is supplied. The control circuit (7) acquires the position information of the car (1) based on the position signal.

The control circuit (7) further reproduces a video signal in a recording area corresponding to the position of the car (1) from the video source storage device (4) on the basis of the acquired position information to reproduce a video memory.
Write to (6). In the case of a still image, at least two still images assigned to two floors above and below the car (1) are written in the video memory (6). or,
In the case of a moving image, the video memory (6) has at least 2 floors allocated to the upper and lower floors with the car (1) position sandwiched therebetween.
The type of moving image is written over multiple fields including the current time field.

Thereafter, the video signal in the video memory (6) is read out by the control of the control circuit (7) to create a video signal for one screen, and the video signal is sent to the video display device (3).
At this time, regarding the still image, when the car (1) is stopped, one of the two still images written in the video memory (6) corresponds to the stop position of the car (1). When an image is selected and the car (1) is moving, two still images are combined according to the position of the car (1) to create a video signal for one screen.

Regarding the moving picture, when the car (1) is stopped, one of the two kinds of moving pictures written in the video memory (6) is selected corresponding to the stop position of the car (1). Then, the video signal of the field corresponding to the current time of the moving picture is sent to the video display device (3). Further, when the car (1) is moving, two moving images are combined according to the position of the car (1) and the current time to create a video signal for one screen.

As a result, an image corresponding to the movement and position of the car (1) is displayed on the image display device (3). Therefore, the passenger can visually recognize the ascending / descending operation of the car (1) by the image of the image display device (3).

In the second elevator system, when the car (1) stops at a certain floor under the control of the elevator controller (2), the elevator controller (2) sends a door opening / closing signal to the control circuit (71). Is supplied. In response to this, the control circuit (71), for example, when opening the door, after reproducing the video signal representing the operation from the video source storage device (41),
A video signal for one screen is created by signal processing using the video memory (61) and sent to the video display device (3).

As a result, the operation of opening the door is displayed on the image display device (3). Therefore, the passenger can recognize the opening / closing operation of the door of the car (1) by the image of the image display device (3).

In the above third elevator system, the speed of the car (1) is increased during the process in which the car (1) accelerates from a stopped state to reach a certain speed, and then decelerates and stops at the next floor. A speed signal that changes according to the control circuit (72)
Is supplied to. In response, the control circuit (72)
The frame number that changes according to the moving speed of (1) is determined. That is, when the car (1) reaches the steady speed,
Frame numbers that increase at a constant rate of change are determined.
Further, when the car (1) is accelerating or decelerating, for example, at a speed half the steady speed, a frame number that increases at a speed half the constant change speed is determined.

Based on the frame number thus determined, the data is sequentially read from the coded data storage device (42), a video signal for one screen is created from these data, and the video display device is produced. It is supplied to (3).

As a result, in the state where the car (1) reaches the steady speed, the image display device (3) displays an image in which the subject approaches or leaves at a constant speed. Further, while the car (1) is accelerating or decelerating, an image that approaches or separates according to the speed change is displayed.

Therefore, the passenger can visually recognize the speed change of the car (1) by the image of the image display device (3).

[0023]

According to the elevator system of the present invention, since an image corresponding to the operation of the elevator is displayed in the car, the passenger can visually recognize the operation of the elevator. As a result, the line of sight of the occupant is effectively collected in the image, and stress is relieved.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Some embodiments of the present invention will be described in detail below with reference to the drawings. As shown in FIG. 1, the elevator system has a video display device (3) installed in a car (1) whose lifting operation is controlled by a control signal C from an elevator control device (2). Car basket (1)
Of a video source storage device (4) in which a video that changes depending on the position of the video source storage device and a video signal reproduced from the video source storage device (4) are subjected to predetermined processing and a video display device (3)
It is equipped with a video controller (5) to be supplied to.

Here, the video source storage device (4) is a laser disc player, a hard disc device, a CD-RO.
It is composed of one or a plurality of digital signal storage devices capable of random access such as an M device. Further, the video control device (5) has a video memory (6) capable of storing the video signal reproduced from the video source storage device (4) for a plurality of fields, and writing and writing the signal to the video memory (6). And a control circuit (7) for controlling reading.

The control circuit (7) is constituted by software of a microcomputer which will be described later, and is based on a position signal P obtained from the elevator control device (2).
The position information of (1) is acquired, and the video signal of the recording area corresponding to the position of the car (1) is reproduced from the video source storage device (4) based on the acquired position information and is stored in the video memory (6). Along with writing, it has a function of reading a signal from the video memory (6) to create a video signal V for one screen and sending it to the video display device (3).

The position information includes not only the floor number of the floor where the car (1) stops but also information about the intermediate position of the car (1) that is moving.

As the image to be displayed on the image display device (3), either a still image or a moving image can be adopted. In the case of a still image, each floor where the car (1) stops A plurality of different still images are recorded in the video source storage device (4), and in the case of a moving image, a plurality of types of moving images different for each floor are recorded in the video source storage device (4) for a predetermined period. These still images or moving images may be independent images for each floor, or may be one that forms a continuous image when the display images from the first floor to the top floor are joined together.

FIG. 4 shows an image V ₀ previously recorded in the video source storage device and a display image displayed on the video display device in the process of moving the car from the first floor to the nth floor in the case of a still image. It shows the relationship. As shown in the figure, when the car stops on a certain floor, a still image corresponding to the floor is selected and displayed.

Further, during the movement of the car, the display images of the two floors are combined to form one still image according to the intermediate position of the car. As an image synthesizing method, as shown by hatching in the figure, a method of cutting out regions corresponding to the positions of the respective cages from the two displayed images to form one still image or two still images Various well-known editing methods such as a method of reducing each at a rate that changes according to the position of the car and synthesizing these into one still image can be adopted.

Therefore, in the case of a still image, the video memory (6) shown in FIG. 1 has only to have a capacity capable of storing a video signal for at least two fields, and the control circuit (7) has a video source storage device ( By selecting 2 fields corresponding to the position of the car from the images recorded in 4) and writing them to the video memory (6), for example by controlling the read start address of the video memory (6) Alternatively, the images are combined by subjecting the video signals of the two fields to predetermined image processing.

FIG. 2 shows a basic control operation of the control circuit for a still image. When the elevator is stopped on the first floor, which is the standby position, the initial image is displayed on the image display device (S1). After that, when the car starts moving, the position information of the elevator is acquired ( S
2) Based on the acquired position information, it is determined whether or not there is a position change (S3). When the position is changed, the image to be displayed is selected from the video source storage device based on the position information (S4) and written in the video memory.

Next, by controlling the signal reading from the video memory, the image corresponding to the position of the car is switched and displayed on the video display device (S5). Then, the above processing is repeated until the operation of the elevator is stopped (S6).

FIG. 5 shows how, in the case of a moving image, the display image displayed on the image display device changes with the passage of time and the movement of the car. When the car is stopped on a certain floor, time changes (T ₁ , T ₂ , T ₃ ,
T ₄ ...), the display image (V ₁ ,
V ₂ , V ₃ , V ₄ ...) Is displayed on the video display device.

When the car is moving, the display images of the two floors are combined according to the intermediate position of the car to form one field of the moving picture. In this case, if the car is in the process of moving from the second floor to the third floor at time T ₄ shown in FIG. 5, the display image on the second floor and the display image on the third floor at that time are combined to display the image. It is displayed on the device.
As the image synthesizing method, various editing methods can be adopted as in the case of a still image.

FIG. 3 shows the operation of the control circuit in the case of a moving image. In the case of a moving image, it is physically difficult to write or read a time-varying image signal to or from a video memory in real time. Therefore, from the image source storage device, two moving images corresponding to the position of the car are displayed. Each video signal has multiple fields (for example, around 10 fields)
Pre-read one by one (S1). Then, when the car is waiting on the first floor, the initial image is displayed (S2).

Therefore, in the case of a moving picture, the video memory (6) shown in FIG. 1 has a plurality of fields (for example, 10 fields) in the time axis direction.
(Before and after the field), at least 2 in the direction of travel of the car
A field storage capacity (for example, several megabytes) is required.

After that, when the elevator starts moving, position information is acquired (S3), and it is determined whether or not there is a position change based on the acquired position information (S4). When the position is changed, the video area to be displayed is calculated from the two moving images based on the position information (S5), and the two moving images are combined (S6) and displayed on the video display device. (S7). At this time, the moving image is obtained by reading the image at the current time from the video memory.

Then, it is judged whether or not the two moving images need to be switched based on the position information (S8).
Change the combination of the two videos (S9), then step S
Return to 3. If the switching is not necessary, it is judged whether the operation of the elevator is stopped (S10), and the above procedure is repeated until the operation is stopped.

As described above, according to the elevator system of the present invention, for example, when the car (1) is stopped on the first floor, an image of the seabed is displayed on the image display device (3) to display the car ( By projecting an image of approaching the sea surface as 1) ascends, it is possible to give the passengers a sensation as if they were climbing in the sea. As a result, the passenger's attention can be effectively directed to the image display device (3), and the discomfort and tension in the narrow car can be alleviated.

Next, the mounting position and mounting posture of the image display device (3) will be described. As shown in FIG.
Side walls (12) (12) above the door (11) in the car (1)
Straddling the ceiling and at a predetermined angle (eg 3
An inclined wall (14) inclined by 0 to 40 degrees is provided, and a display screen (33) is installed in the inclined wall (14).

In this case, the passenger facing the door (11) side in the car (1) can turn his or her line of sight obliquely upward,
Since the line of sight opposes the display screen (33) substantially vertically, the image on the display screen (33) can be watched without taking an unreasonable posture.

In the example of FIG. 14, a floor number indicator (15) is installed above the door (11) as in the conventional case, and the floor number indicator (15) and the display screen (33) are installed in the boarding area. Will be in the same field of vision of the person.

When the image display device (3) is constituted by the image projection device (31) and the light reflector (32) as shown in FIG. 15, the car (1) is placed below the first ceiling (13a). Second ceiling (13
b) and the inclined wall (14) are provided, and the rear projection type display screen (33) is installed in the inclined wall surface. Further, the image projection device (31) is installed horizontally on the second ceiling (13b), and the image projection device (31)
The projected image from is reflected by the light reflector (32) and guided to the display screen (33).

According to the configuration of FIG. 15, the flat space between the first ceiling (13a) and the second ceiling (13b) is used to pass from the image projection device (31) through the light reflector (32). Since the optical path length to the display screen (33) can be made sufficiently long, the display screen (33)
Can be upsized.

As shown in FIG. 6, the elevator system comprises a video source storage device (41) in which a video image representing the opening / closing operation of the door of the car (1) is recorded, and a video control device (51).
Is a video memory (61) capable of storing a video signal reproduced from the video source storage device (41), and a video signal V read by controlling writing and reading of a signal to and from the video memory (61). It comprises a control circuit (71) to be supplied to the video display device (3).

The control circuit (71) is composed of software of a microcomputer described later, and based on the door opening / closing signal Q obtained from the elevator control device (2), the video source storage device (41) stores the corresponding recording area. The video signal is reproduced and written to the video memory (61), and the signal is read from the video memory (61) to create a video signal V for one screen, which is sent to the video display device (3). .

Here, the door open / close signal Q includes an open signal issued at the timing when the door starts to open and a close signal issued at the timing when the door starts to close, and further, if necessary, the time required for opening and closing. It contains the information to represent.

FIG. 8 shows how the screen of the image display device (3) changes according to the opening / closing operation of the door of the car (1). At the timing when the door starts to open when the car (1) is stopped, the image of the door closed state is displayed on the screen of the image display device (3), and then the period until the door is fully opened , An image showing how the door opens is displayed.

In the process of opening the car (1), a background image including the floor number of the floor where the car (1) is stopped is displayed in the background portion between the doors. Then, when the door is completely opened, the background image is displayed in the entire area of the screen as shown in the figure. It should be noted that the image generation of the background image is performed with reference to FIGS.
This is possible with the configuration of the embodiment shown in FIG.

After that, at the timing when the door starts to close, the screen of the image display device (3) is switched from the fully opened state to the image showing the closed state, and when the door is fully closed, the door is fully closed. The video of the state that you have done will be displayed.
Also in this process, the door image and the background image are combined and displayed.

The image showing how the door is opened and closed can be generated by subjecting the image before the door is opened and closed to well-known special image processing such as wipe processing synchronized with the opening and closing of the door.

FIG. 7 shows a control procedure of the control circuit (71) for realizing the above operation. When the elevator starts, the car (1) stops at the first floor, which is the standby position,
In this state, the initial screen is displayed on the video display device (3) (S1). After that, the car (1) starts to move, and while the car (1) is moving, the car as in the above-mentioned embodiment.
The image corresponding to the floor number (floor number) of the floor which is stopped or passes in (1) is switched and displayed (S2). In this case, it is also possible to adopt a simple switching method with a fixed time interval for switching the image.

In this process, the control circuit (71) constantly monitors the door opening / closing signal Q from the elevator control device (2),
When an open signal is detected when the car (1) is stopped (S3), the screen compositing parameters required to compose the door image and the background image according to the door opening degree calculated from the door opening time. Is calculated (S4). Then, according to the result, an image for one screen is synthesized on the video memory (61).
(S5), the combined image is displayed on the video display device (3)
(S6). Repeat this procedure until the door is fully opened (S
7).

Next, when a close signal is detected (S8),
According to the degree of opening of the door calculated from the closing time of the door, a screen compositing parameter required for compositing the background image and the image of the door is calculated (S9). Then, according to the result, one screen of image is combined on the video memory (61) (S10), and the combined image is displayed on the video display device (3) (S11). This procedure is repeated until the door is completely closed (S12). The above-mentioned series of control procedures are repeated until the operation of the elevator ends (S13).

As a result, the image display device (3) is displayed as shown in FIG.
As shown in, during the opening and closing period of the door, an image showing the operation is displayed, and when the door is fully opened, an image corresponding to the stopped floor is displayed. According to the above elevator system, the passenger can recognize the operation of the car stopping and the door opening while keeping his or her attention on the screen of the image display device, so that there is no risk of missing the timing of getting off. .

The elevator system shown in FIG. 9 displays an image on the image display device (3) that matches the sensation of the passengers feeling the lifting and lowering motion of the car (1), so that the car (1) It is possible to visually predict when to stop, and to effectively increase the degree of concentration on the image due to the occupant's sense of presence from the image.

A coded data storage device (4
In 2), the image pickup signal of the video camera approaching the subject at a constant relative speed is highly efficient coded in advance and recorded for each frame number. Encoded data storage device (42)
Is a laser disk player, hard disk device, C
It is composed of a randomly accessible digital signal storage device such as a D-ROM device.

Assuming that the relative speed of the object at the time of shooting and the video camera is V ₀ , the apparent approaching speed V of the object at the time of signal reproduction can be expressed by the following formula 1.

[0060]

[Number 1] _{V = V 0 × (f /} f 0) where, f ₀ is the frame rate at the time of shooting, f is a frame rate at the time of reproduction, the following values predetermined maximum playback rate fmax To take.

Therefore, when the frame rate during reproduction is increased at a constant rate of change, the object during signal reproduction is observed as if it accelerated and approaches, and conversely, the frame rate during reproduction is maintained at a constant rate of change. When it is decreased by, the subject at the time of signal reproduction is observed as if decelerating and approaching.

When the elevator car (1) moves up and down between floors,
As shown in FIG. 11, the maximum speed Vma is increased by accelerating from the stopped state.
After reaching x, the speed becomes constant, and then the speed changes to decelerate and stop. Therefore, if the playback frame rate is changed in proportion to the speed change as shown in FIG.
When the moving speed of (1) matches the approaching speed of the subject, the passenger can experience the speed change of the car (1) by the image.

If the time axis of signal reproduction is reversed when the car (1) is raised and when it is lowered, an image corresponding to the moving direction is generated.

In order to change the frame rate described above, in the elevator system of FIG. 9, the encoded data memory (62) is connected to the output end of the encoded data storage device (42), and the control circuit (72) is used. , Coded data storage device (4
It controls the data read from 2) and the data write to the encoded data memory (62).

That is, the speed signal is constantly supplied to the control circuit (72) from the elevator control device (2) through the communication I / F (9), and the control circuit (72) first has the relationship shown in FIG. The frame rate f corresponding to the speed is determined based on

Next, the control circuit (72) uses the following equation (2) in the ascending operation of the car (1) and the following equation (3) in the descending operation of the car (1). ) Determines the frame number Fi of the frame to be read.

[0067]

## EQU2 ## Fi = S + Roundoff {i × (f ₀ / f ₁ ) × (f / f ₀ )}

Equation 3] Fi = S- rounding _{{i × (f 0 / f} 1) × (f / f 0)}

Here, f ₁ is a frame rate determined by the image display system of the image display device (3), for example, N 1.
It is 30 Hz in the TSC system. Further, i is a video frame number (0, 1, 2, ...) Which increases at a constant change speed, and S is an initial value of the video frame number.

For example, FIG. 13B shows a state in which an image of the approaching tunnel exit is recorded at the frame rate f _0. For example, when recording the frame rate f during reproduction as shown in FIG. 13A. When the frame rate f ₀ is set to ½, the frame numbers Fi are ₀ , ₀ , 1, 1, 2,
The content that is reproduced by changing to 2, ... Is the slow reproduction of the image of FIG. The same figure
When the frame rate f during reproduction is set to twice the frame rate f ₀ during recording as shown in (c), the frame number Fi changes to 0, 2, 4, ... b)
It will be a fast-forward playback of the image at twice the speed.

When the frame number Fi determined as described above is supplied to the encoded data storage device (42), the video data having the frame number is sequentially read from the encoded data storage device (42). And is stored in the encoded data memory (62). The data in the encoded data memory (62) is read by the control circuit (72) and is further supplied to the decoding circuit (8) to be decoded into an analog video signal for one screen at a cycle of 1 / f _1. .

A video signal for one screen is sent to the first video memory (63) and the second video memory (64) at a cycle of 1 / f ₁ by switching the first and second selector switches (73) and (74). Are alternately stored at and are read alternately at a cycle of 1 / f ₁ .
At this time, the first and second changeover switches (73) and (74) are interlocked with each other, so that the data is written in the memory which is not being read.

The video signals alternately read from the first video memory (63) and the second video memory (64) are video I / F.
After being converted to the prescribed format via (91), the car
It is supplied to the video display device (3) of (1).

FIG. 10 shows a control procedure by the control circuit (72). First, based on the speed signal obtained from the elevator control device (2), the read frame number Fi is determined by the formula 2 or the formula 3 (S1), and the encoded data having the frame number is transmitted from the video source storage device (41). It is read and stored in the encoded data memory (62) (S2).

Next, the read coded data is decoded and the decoded video signal is written in either one of the video memories (S3). Then, the vertical blanking period of the video signal is determined (S4), and both switches are switched (S5) within the vertical blanking period.

Next, it is judged whether or not the frame rate has been changed. If there is a change, the video frame number i in the equations 2 or 3 is set to 0 and the initial value S of the video frame number is set. Is set to the read frame number Fi. Then count up the video frame number i (S
6) Then, the above procedure is repeated until the video reproduction is completed due to the end of operation of the elevator.

As a result, the image display device (3) displays an image of a subject approaching or moving away at a speed change corresponding to the speed change of the car (1). According to the above elevator system, the passenger can visually sense the speed change of the car (1) by the image of the image display device (3), so that a realistic image effect can be obtained and many passengers can board. It is possible to attract the eyes of the person to the image.

The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope. The configuration of each part of the present invention is not limited to the above-mentioned embodiment, and it goes without saying that various modifications can be made within the technical scope described in the claims.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment for displaying an image according to a position of a car.

FIG. 2 is a flowchart showing a video control system for still images in the embodiment.

FIG. 3 is a flowchart showing a video control system for a moving image in the embodiment.

FIG. 4 is a diagram illustrating a manner in which display images are switched according to the position of a car in the embodiment.

FIG. 5 is an explanatory diagram of the same in the case of a moving image.

FIG. 6 is a block diagram showing a configuration of an embodiment for displaying an image showing opening / closing of a door.

FIG. 7 is a flowchart showing a video control method in the embodiment.

FIG. 8 is an explanatory diagram of an image showing opening and closing of a door in the embodiment.

FIG. 9 is a block diagram showing a configuration of an embodiment for displaying an image according to the speed of a car.

FIG. 10 is a flowchart showing a video control system in the embodiment.

FIG. 11 is a graph showing changes in the speed of a car.

FIG. 12 is a graph showing the relationship between the car speed and the playback frame rate.

FIG. 13 is an explanatory diagram showing how a video changes due to a change in frame rate.

FIG. 14 is a perspective view showing the arrangement of display screens in the car.

FIG. 15 is a partially cutaway side view showing the arrangement of optical systems that form the image display device.

[Explanation of symbols]

 (1) Car basket (2) Elevator control device (3) Video display device (4) Video source storage device (5) Video control device (6) Video memory (7) Control circuit

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Atsuro Nishigaki 2-18 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Kazuhiro Sawaike 2-18-2 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Tomohiko Tsumura 1-28-10 Sho, Ibaraki-shi, Osaka Fujitec Co., Ltd.

Claims (9)

[Claims] 1. An image display device in an elevator car (1) whose operation is controlled by an elevator control device (2).
In the elevator system in which (3) is installed, a video storage means in which a predetermined video related to the operation of the elevator is recorded, and the video storage means based on the elevator operation information obtained from the elevator control device (2). Video signal from the corresponding recording area is read from the video display device
An elevator system comprising a control means for sending to (3). 2. In an elevator system in which an image display device (3) is installed in an elevator car (1) whose elevator operation is controlled by an elevator control device (2), at the position of the elevator car (1) to be elevated and lowered. A video source storage device (4) in which a video that changes according to the video source is stored, a video memory (6) capable of storing a video signal reproduced from the video source storage device (4) for a plurality of fields, and the video. memory
A control circuit for controlling the writing and reading of a signal to (6) and supplying the read video signal to the video display device (3)
(7), and the control circuit (7) is an elevator controller.
The means for acquiring the position information of the car (1) based on the position signal obtained from (2) and the position of the car (1) from the video source storage device (4) based on the acquired position information. A means for reproducing the video signal in the recording area and writing it in the video memory (6); a means for reading the signal from the video memory (6) to create a video signal for one screen and sending it to the video display device (3). Elevator system characterized by comprising. 3. The image source storage device (4) comprises a car
A plurality of still images assigned to each floor where (1) is stopped are recorded, and at least two images assigned to two floors above and below the position of the car (1) are stored in the video memory (6). The still image of is written, and according to the position of the car (1),
The elevator system according to claim 2, wherein these still images are switched and displayed on the video display device (3). 4. A video memory during movement of the car (1)
The elevator system according to claim 3, wherein the two still images written in (6) are combined and displayed on the video display device (3). 5. The image source storage device (4) comprises a car
A plurality of types of moving images assigned to each floor where (1) stops are recorded, and at least two types of movies assigned to two floors above and below the position of the car (1) are stored in the video memory (6). The moving images are written only for a plurality of fields including the current time field, and these moving images are switched and displayed on the video display device (3) according to the position of the car (1) and the current time. Elevator system described. 6. A video memory during movement of the car (1).
The elevator system according to claim 5, wherein the two types of moving images written in (6) are combined and displayed on the image display device (3). 7. An elevator system in which an image display device (3) is installed in an elevator car (1) whose elevator operation is controlled by an elevator control device (2), and an opening / closing operation of a door of the car (1). A video source storage device (41) in which a video image is recorded, a video memory (61) capable of storing a video signal reproduced from the video source storage device (41), and the video memory (61) And a control circuit (71) for controlling the writing and reading of signals to supply the read video signal to the video display device (3).
1) is a means for reproducing the video signal of the corresponding recording area from the video source storage device (41) based on the door opening / closing signal obtained from the elevator control device (2) and writing the video signal in the video memory (61); An elevator system comprising means for reading a signal from (61) to create a video signal for one screen and sending it to the video display device (3). 8. The cage for the video source storage device (41)
The first video signal representing the opening / closing operation of the door of (1) and the second video signal to be displayed as the background in the fully opened state of the door are recorded, and the control circuit (71) is the elevator control device ( 8. The elevator system according to claim 7, further comprising means for synthesizing the first and second video signals on a video memory (61) based on a door opening / closing signal obtained from 2). 9. An elevator system in which an image display device (3) is installed in an elevator car (1) whose elevator movement is controlled by an elevator control device (2). An encoded data storage device (42) in which the image is encoded and recorded for each frame number, and an encoded data memory (62) that should store the data read from the encoded data storage device (42), A decoding circuit (8) for decoding the data read from the encoded data memory (62) and a video signal for one screen based on the output signal of the decoding circuit (8), and a video display device.
Signal processing circuit to be supplied to (3) and encoded data storage device
And a control circuit (72) for controlling data reading from (42) and data writing to the encoded data memory (62),
The control circuit (72) determines a frame number according to the moving speed of the car (1) based on the speed signal of the elevator obtained from the elevator control device (2), and a means for determining the frame number of the determined frame number. Data encoding device (42)
And a means for reading from and writing to the encoded data memory (62).