JP3515055B2 - Projector device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a projector device for projecting and reproducing an image on a screen, and more particularly to a projector device for setting projection conditions by a remote device.

[0002]

2. Description of the Related Art Zoom / focus adjustment of a projector device can be easily performed when the distance from the screen is relatively short, but when the distance is far, it is troublesome such as repeated adjustment. In response to this, an auto zoom / auto focus system has been proposed.

As an adjusting device of this type, for example, Japanese Patent Application Laid-Open No. Hei 4
As in Japanese Patent Laid-Open No. 127137, a screen that displays an image, a distance measuring unit that measures the distance between the screen and the autofocus projector, and a projection lens unit that executes a focusing operation based on the measurement result of the distance measuring unit. A distance measuring unit and a control unit that controls the projection lens unit. The control unit operates the distance measuring unit and the projection lens unit to project an image so that the image is focused on the screen. It controls the lens part. As a distance measuring method, an infrared method or an ultrasonic method in which infrared rays or ultrasonic waves are emitted to a screen, reflections thereof are input, and the intensity or time is measured to measure the distance is adopted.

Further, in Japanese Patent Laid-Open No. 2000-28901, an adjustment image pattern projected on a screen is photographed by a CCD camera or the like and input again from an input circuit,
By comparing the frequency components of the input adjustment image pattern and the adjustment image pattern before projection, and driving the projection lens with an electric motor until the configuration of a predetermined high frequency component, the autofocus function It is suggested to do so.

[0005]

However, in the method as in the prior art, there is a problem that the equipment configuration becomes large and the manufacturing cost becomes high, and it corresponds to miniaturization and mopilization. As a projector device, a setting method which is not as large as an automatic setting system and which requires no repeated adjustment by manual operation and is easy to operate is desired.

The present invention has been made in view of the above circumstances, and provides a projector device in which focus / zoom of the projector device can be easily set without requiring a large system or troublesome adjustment. The purpose is to

[0007]

SUMMARY OF THE INVENTION The present invention provides a projector apparatus comprising a projector main body having a projection lens having a zoom and / or focus function, and a remote operating device for operating the projector main body, wherein the remote operating device comprises: Projector power key operated by the operator
In conjunction with the over, set the screen size value及beauty-throw Shakyori value
It was sent to the projector body, the remote operation device
Displays the set projection screen size value and projection distance value.
The display content of the display unit is the screen size.
Value and throw distance value before and after being transmitted can be discerned.
It is characterized by being displayed as .

The projector device of the present invention is provided with the remote controller.
The operating device has a timer function and the power supply on the remote control
In conjunction with the key, screen support set within a specific elapsed time
The projector's power-on signal indicates the zoom value and projection distance value.
It is characterized by transmitting with .

The projector device according to the present invention is provided with the remote controller.
The operating device is the screen size key of the remote control or the projection distance.
It is equipped with keys, and by pressing these, the screen size
The value or the projection distance value is displayed for a predetermined time .

[0010]

[0011]

[0012]

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a projector device of the present invention will be described in detail below with reference to the drawings. Figure 1
FIG. 4 is a block diagram of a projection lens control portion of the projector device of the present embodiment. In FIG. 1, 1 is a remote controller for operation (remote operating device), 2 is a projector main body, a remote controller light receiving unit 3, a CPU 4 for controlling the entire system of the projector, a zoom lens drive control unit 5, a focus lens drive control unit 6, projection lens unit 7,
And a memory 8.

The memory 8 stores a zoom lens drive control device and a focus lens drive control value at various combinations of a distance to a screen (not shown) and a display area on the screen.

FIG. 2 is a detailed view of the remote controller 1.
In FIG. 1, a remote controller 1 includes a remote controller light emitting unit 10, a display unit 11 such as a liquid crystal display, a numeric keypad 12, a power key 13 of a projector, an enter key 14, a return key 15, and a transmission key 1.
6, a screen size key 17 and a projection distance key 18.

Next, the installation adjustment operation of the projector device will be described. It should be noted that as the adjustment method, it is possible to set only the projection distance to the screen or only the screen size, but in the present embodiment, a case where both the projection distance and the screen size are set simultaneously will be described. .

When the user turns on the power of the projector 2 by pressing the power key 13 of the remote controller 1,
Pressing the screen size key 17 while looking at the liquid crystal display portion 11 of. By pressing the surface size key 17, the remote controller 1 enters the screen size input mode, and the user inputs the size of the screen (not shown) or the size of the area desired to be displayed on the screen. This input method is input by operating the ten keys 12 on the remote controller 1, and the input value is displayed on the liquid crystal display unit 11. When deciding with this displayed input value, the decision key 14 is to be pressed, but in case of erroneous input, use the return key 15 and enter the correct value again with the ten keys 12. You can

When the screen size is determined, the projection distance is set next. When the projection distance key 18 is pressed, the remote controller 1 enters the projection distance input mode, similarly, the ten key 12 is used to input the distance to the screen, and the determination key 14 is used to determine the projection distance.

The transmission key 16 is a key for transmitting the data of the screen size and the projection distance determined by the remote controller 1 to the projector main body 2.
In the case where the projector main body 2 is not turned on, such as during initial installation, or the projector main body 2 is not turned on, and the power key 1
Only when the screen size and / or the projection distance is set within the specific time before the operation of No. 3, the power supply of the projector 2 is input by pressing the power supply key 13, and then it is determined by the remote controller 1. The lens unit 7 is automatically set based on the screen size and / or the projection distance data.

As for the operation on the side of the projector main body 2, the data transmitted from the remote control light emitting section 10 of the remote control 1 is received by the remote control light receiving section 3 and demodulated by the CPU 4. The CPU 4 reads the zoom lens drive control value and the focus lens drive control value at the time of the combination data from the memory 8 based on the received combination of the screen size and the projection distance data, controls the zoom lens drive control unit 5, and controls the projection lens. By moving the zoom lens of the unit 7 to the optimum position and controlling the focus lens drive control unit 6, the focus lens of the projection lens unit 7 is moved to the optimum position, and the setting adjustment is completed.

The above operation is repeated, but the projector 2
By pressing the transmission key 16 of the remote controller 1 while the power of is on, the screen size value and the projection distance value set in the remote controller 1 can be reset. In the above operation, the memory 8 stores the distance to the screen and the zoom lens drive control value and the focus lens drive control value at the time of various combinations of the display area on the screen. The distance to the screen, the display area on the screen, and the functions of the zoom lens drive control value and the focus lens drive control value are set in the CPU, and the CPU 4 processes the zoom lens drive control value and the focus lens drive control value. By outputting, it is possible to perform without the memory 8.

The contents displayed on the display unit 11 of the remote controller 1 can be changed, for example, by changing the display character color or the display background so that the difference can be recognized before and after the screen size and / or the projection distance value is transmitted. By changing the color, flashing the displayed characters, or displaying "sent", it is possible to display the current work state in an easy-to-understand manner for the user and enable accurate adjustment work.

Further, by pressing the screen size key 17 or the projection distance key 18 of the remote controller 1, a timer function is provided so that the screen size setting value and the projection distance setting value are displayed for a predetermined time, respectively. It is possible to confirm the conditions without fail.

[0024]

As described above in detail, according to the present invention, the screen size value and / or the projection distance value set on the display unit of the remote controller are transmitted to control the zoom and / or focus of the projection lens. As a result, it is not as large-scale as an automatic setting system with a built-in measuring device and a camera, and it is possible to set settings that are easy to operate without the need for repeated adjustments by manual operation, simplifying the device configuration, and reducing the cost of manufacturing projector devices. can get.

By pressing the power key on the remote controller,
Since the screen size value and / or the projection distance value set on the display unit of the remote controller are transmitted at the same time as the ON signal of the projector power supply, the initial setting adjustment of the projector can be performed more easily.

Further, the display contents of the remote control display unit are as follows before and after the screen size and / or the projection distance value are transmitted.
Since the display is made so that the difference can be seen, it is possible to make an accurate visual adjustment work.

By pressing the screen size key or the projection distance key of the remote controller, the screen size setting value or the projection distance setting value is displayed for a predetermined time.
It is possible to quickly check the current setting conditions.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a projector device of the present invention.

FIG. 2 is a detailed view of a remote controller.

[Explanation of symbols]

1 remote control 2 Projector body 3 Remote receiver 4 CPU 5 Zoom lens drive controller 6 Focus lens drive controller 7 Projection lens section 8 memory 11 Display 12 Numeric keypad 13 Power key 16 Send key 17 Screen size key 18 Projection distance key

Claims (3)

(57) [Claims] And 1. A projector body having a zoom及beauty off Okasu function to the projection lens, the projector apparatus and a remote operation device for operating the projector body, the remote operation device operated by the operator Pro
In conjunction with the injector power key, a set screen size value <br/>及beauty projecting Shakyori value transmitted to the projector body, wherein the remote operation device, a projection screen size set
The display unit for displaying the value and the projection distance value is provided.
As the display contents, the screen size value and the projection distance value are transmitted.
The projector device is characterized in that the difference is displayed before and after transmission . 2. The remote operation device has a timer function.
Has a certain progress in conjunction with the power key on the remote control
The screen size value and projection distance value set within the time
The projector device according to claim 1 , wherein the projector device is transmitted together with an ON signal of a projector power supply . 3. The remote control device is an image of a remote control.
A surface size key or projection distance key is provided
And the screen size value or projection distance value respectively
The projector device according to claim 1 or 2, wherein the projector device is displayed .