JP2005043721A - Display apparatus and method for controlling its setting - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display apparatus in which setting operation by others is forbidden by user's setting and changes in the contents of the user's setting by a person other than the user is reliably avoided. <P>SOLUTION: When the power is switched on in the display apparatus, for example, data is read out from an external memory 11 to judge whether the display apparatus 100 is in the initial state or not. If the apparatus is judged as in the initial state, the initial setting menu is displayed and the user determines the settings by selecting options displayed on the screen by using a key stroke section of the apparatus or a remote control. When the settings are to be changed, user identification is first performed and the system is transferred to a setting operable mode or a setting forbidden mode based on the identification result. Setting operation by others therefore is forbidden by settings of the user. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a display device that displays an image on a display unit based on an image signal and a setting control method thereof. Specifically, the first setting means for setting the function adjustment item of the display unit by the second setting means is set to be operable or prohibited, and the contents set by the first and second setting means are stored. When changing the setting, it is confirmed whether or not the user himself / herself has been set by the second setting means, and based on the confirmation result, the first setting means is operable or prohibited. Because it is possible to prohibit setting changes by other users by controlling, it relates to a display device etc. that can reliably prevent the contents set by the user from being changed by other users Is.

  In recent years, display devices such as television receivers, PC monitors, projectors, etc. have been adjusted by adjusting devices for improving image quality and sound quality, and by storing detailed setting items according to user preferences in use in memory. We are trying to differentiate our products. Most of the setting items are displayed on the display screen of the set body by the display function (On Screen Display, hereinafter referred to as “OSD”), and the menu items are displayed by graphical characters. When the user wants to change the preset items, While watching the OSD display on the screen, the user is prompted to adjust, change and store the setting items by operating the keys on the main unit or the remote control.

  In recent years, with the start of satellite broadcasting, cable TV, and digital broadcasting, electronic program guides (EPG: Electrical Program Guide) etc. are also displayed on the OSD. Therefore, setting by screen display is becoming indispensable for the user.

  However, in such a display device, since anyone can easily operate with the remote control or the main body key, it can be operated by a person other than the user of the display device, and the setting can be easily changed. is there.

  For example, after the user operates the display device, if the user does not know that the setting has been changed by operation by a person other than the user, there is a possibility that the device is misunderstood.

  Further, for example, when the display device is displayed as a product at a store, it is assumed that there are a plurality of users, and after the first user operates and changes the setting, the second user displays the display. The possibility of using this display device with a setting far from the initial setting of the device increases, and the original performance cannot be confirmed.

  In order to solve such a problem, there has been proposed a display device that prevents mischief by using a screen adjustment operation unit as a hidden switch (see, for example, Patent Document 1).

  In this case, a character or symbol representing the function of the transparent touch panel is displayed on the display screen by attaching a transparent touch panel to the display screen of the display device and touching a predetermined position of the transparent touch panel which is not normally displayed with a finger. Is displayed, and the position of the displayed character or symbol is touched with a finger to operate with a function corresponding to the character or symbol. This prevents mischief by anyone other than the coordinator who knows the operation procedure.

Japanese Unexamined Patent Publication No. 2000-242432 (2nd page, FIGS. 1 and 3)

  In the above-described conventional display device, it is possible for a person other than the user of the display device to easily change the setting, and there is a problem that the original performance of the display device cannot be confirmed. In addition, there is a problem that the content set by the user is lost due to the mischief operation of others.

  Moreover, a display device like patent document 1 needs to equip a transparent touch panel, and there exists a problem of the cost increase of an apparatus. Moreover, although it is effective with respect to the person who does not know the operation procedure of a transparent touch panel, once this operation procedure is known, the effect will be lost.

  Therefore, the present invention can prohibit other users' setting operations by the user's setting, and can reliably prevent the contents set by the user from being changed to a person other than the user. And it aims at providing the setting control method.

  In the display device according to the present invention, in a display device that displays an image on a display unit based on an image signal, a first setting unit that sets a function adjustment item of the display unit and the first setting unit can be operated or Second setting means for setting operation prohibition, storage means for storing contents set by the first and second setting means, and use performed by the second setting means when changing the setting Confirmation means for confirming whether the user is the person himself / herself and control means for controlling the first setting means to be operable or prohibited based on the confirmation result of the confirmation means.

  For example, information for prohibiting the operation of the first setting means is stored in advance in the storage means at the time of shipment of the display device, and the setting menu for enabling or disabling the first setting means when the power is initially turned on. Will be displayed.

  In addition, for example, when the time setting means for measuring time is further provided and the first setting means is set to be prohibited from operation by the second setting means, other users can set the function adjustment items by the first setting means. Then, the control means controls the setting value of the function adjustment item to return to the original setting value from the setting value set by another user at every predetermined time.

  Further, for example, the confirmation means confirms whether or not the user is the user by using a key input password or a CCD camera image.

  A setting control method according to the present invention is a setting control method for a display device that displays an image on a display unit based on an image signal, and the first setting unit sets function adjustment items of the display unit by a first setting unit. A step, a second setting step for setting the first setting means to be operable or prohibited by the second setting means, and a storage step for storing the contents set in the first and second setting steps; When changing the setting, the first setting means can be operated or prohibited based on the confirmation step for confirming whether or not the user has set in the second setting step, and the confirmation result of the confirmation step. And a control step for controlling so that

  In the present invention, the first setting means for setting the function adjustment item of the display unit by the second setting means is set to be operable or not operable, and the contents set by the first and second setting means are stored. Then, when changing the setting, it is confirmed whether or not the user himself / herself has been set by the second setting means, and based on the confirmation result, the first setting means is operable or prohibited. To control. As a result, setting changes by other users can be prohibited, so that it is possible to reliably avoid changing the contents set by the user himself / herself to other users.

  Further, for example, since it is confirmed whether or not the user is the user by using a key input password or an image of the CCD camera, other users cannot easily cancel the operation prohibition setting.

  According to this invention, the first setting means for setting the function adjustment item of the display unit by the second setting means is set to be operable or not operable, and the contents set by the first and second setting means are set. When storing and changing the setting, it is confirmed whether or not the user himself / herself has been set by the second setting means, and based on the confirmation result, the first setting means can be operated or prohibited. Since the setting change by other users can be prohibited, it is possible to reliably avoid changing the contents set by the user to other users.

  In addition, hardware such as a transparent touch panel is not added as in the prior art, and the setting operation of other users can be prohibited at a low cost.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram illustrating a configuration of a display device 100 as an embodiment. Here, the display device 100 is a television receiver.

  As shown in FIG. 1, the display device 100 includes a tuner circuit 1, a video signal extraction circuit 2, an audio signal reproduction circuit 3, a speaker 4, a video signal reproduction circuit 5, and an OSD (On Screen Display) circuit 6. And an OSD superimposing circuit 7, a display device 8, a control unit 9, an operation unit 10, and an external memory 11.

  The tuner circuit 1 is a circuit that selects a target broadcast signal from a received signal (BS-IF signal) transmitted from an antenna (not shown), performs amplification processing, and outputs the selected broadcast signal.

  The video signal extraction circuit 2 is a circuit that separates the signal input from the tuner circuit 1 into an audio signal and a video signal. The audio signal obtained from the video signal extraction circuit 2 is input to the audio signal reproduction circuit 3, reproduced by the audio signal reproduction circuit 3, and output to the speaker 4. The video signal obtained from the video signal extraction circuit 2 is input to the video signal reproduction circuit 5.

The video signal reproduction circuit 5 performs processing such as synchronous separation, Y / C separation, and color demodulation on the video signal input from the video signal extraction circuit 2, and then the luminance signal Y, the blue color difference signal C _B , and the red color difference signal. is converted to C _R is output to the OSD superimposing circuit 7.

  The OSD circuit 6 is a circuit that generates and processes an OSD image signal, and is used to set a channel selection channel, a volume, and a function setting item described later on the screen of the display device 8 under the control of the control unit 9. An OSD image signal for displaying a menu (hereinafter referred to as “setting menu”) or the like is generated and supplied to the OSD superimposing circuit 7.

OSD superimposing circuit 7 performs a process of superimposing the OSD image signal from the video signal reproducing circuit 5 Y output from, C _B, C _R signal and the OSD circuit 6 is a circuit for obtaining an image signal for display.

  The display device 8 is composed of, for example, an image display CRT (Cathode-Ray Tube), and displays the image signal sent from the OSD superimposing circuit 7 on the screen. As the display device 8, for example, a liquid crystal panel, an EL display (Electroluminescence display), or the like may be used.

  The controller 9 has a CPU, a ROM, and a RAM (not shown) as is well known. The CPU controls the entire operation of the display device 100 using a RAM (not shown) as a work area according to control program information stored in the ROM.

  Further, when changing the setting, the control unit 9 confirms whether or not the user himself / herself has been set by the second setting means, and based on the confirmation result of the confirmation means, It also functions as control means for controlling the second setting means so as to enable or disable operation.

  The control unit 9 also functions as a determination unit that determines whether or not it is the first activation after shipment when the power is turned on. Furthermore, it functions as a time measuring means for measuring the usage time after the setting is changed.

  The control unit 9 determines whether or not the display device 100 is in an initial state based on information stored in the external memory 11 when the display device 100 is initially activated, that is, after the power is first turned on (power on). Determine whether. If it is not the initial state, the state shifts to a state in which the user is set. In the initial state, when the initial setting menu is displayed and the setting operation is enabled by the user, information in the external memory 11 is rewritten, and control is performed to shift to the setting operation enabled mode.

  The operation unit 10 includes a main body key operation unit, a remote controller (hereinafter simply referred to as “remote control”), or both. The main body key operation unit and the remote control include, for example, a channel designation operation key, a cursor operation up / down key (UP / DOWN), and an ENTER key as an operation means for performing an operation for confirming the selected setting condition. , MENU key and are arranged. The user can select a predetermined item from the above setting menu using the UP / DOWN keys for cursor operation and the ENTER key, and can confirm the selection. In addition, a set value can be input to a predetermined item.

  The operation unit 10 and the control unit 9 described above constitute a first setting unit and a second setting unit. When setting a function, a function setting item can be selected from a setting menu displayed on the screen using the main body key operation unit or a remote controller and set to a predetermined value. Also, when setting permission (possible) or disapproval (prohibition) of the above-described function setting operation, “setting operation is possible” or “setting” is set from the setting menu displayed on the screen using the main body key operation unit or the remote controller. Select "Prohibit operation" and confirm the selection to set.

  Next, the operation of the display device 100 shown in FIG. 1 when the power is turned on will be described with reference to FIGS. FIG. 2 is a flowchart showing an operation example when the power is turned on. FIG. 3 is a diagram illustrating a display example of the initial setting screen.

  First, in step S11, it is determined whether the power is on. If it is determined that the power is turned on (power is on), the process proceeds to step S12. In step S12, for example, data is read from the external memory 11. Next, in step S13, it is determined whether or not the display device 100 is in an initial state. If it is determined that the current state is not the initial state, the operation is terminated. On the other hand, if it is determined that the current state is the initial state, an initial setting menu as shown in FIG. 3 is displayed in the next step S14. As shown in FIG. 3, in the initial setting menu, two options “YES” and “NO” are displayed with respect to “whether setting operation is possible”. The user performs the setting by selecting “YES” or “NO” from the setting menu displayed on the screen using the main body key operation unit of the display device 100 or the remote controller. In this example, “YES” is selected.

  Next, in step S15, it is determined whether or not the setting operation is enabled. For example, if the user selects “YES”, the memory information, for example, the preset operation prohibition information is rewritten in step S16. In step S17, the mode shifts to the setting operation enable mode, and the operation at the time of initial power-on is completed. On the other hand, if the user selects “NO”, that is, if it is determined in step S15 that the setting operation is not possible, the setting operation prohibition mode is entered in step S18, and the initial power-on is performed. End the operation. In this case, the display device 100 remains in the preset setting operation prohibition state (setting operation prohibition mode).

  Next, the operation at the time of setting change of the display device 100 shown in FIG. 1 will be described with reference to FIGS. 4 and 5. FIG. 4 is a flowchart illustrating an operation example when the setting is changed. FIG. 5 is a diagram illustrating a display example of the setting menu.

  When changing the setting on the display device 100, first, in step S21, a user confirmation screen is displayed. Here, for example, a screen for entering a password is displayed. When the user inputs a password using the main body key operation unit of the display device 100 or the remote controller, the password is confirmed in step S22. Here, the password input by the user is compared with a previously registered password stored in the external memory 11.

  Next, in step S <b> 23, it is determined whether or not the password input by the user matches the password stored in the external memory 11. If the passwords do not match, the process proceeds to step S29. In step S29, the mode shifts to the setting operation impossible mode. On the other hand, if the passwords match, in step S24, the mode shifts to the setting operation enable mode.

  Next, in step S25, a setting menu as shown in FIG. 5 is displayed. As shown in FIG. 5, function setting items such as luminance, contrast, and hue are displayed. In addition, options of “setting operation possible” and “setting operation prohibition” are also displayed. In this case, function setting items such as brightness, contrast, and hue are displayed on the same screen with the options of “setting operation available” and “setting operation prohibited”, but the above-mentioned function setting items and “setting operation available” You may make it display the option of "setting operation prohibition" on another screen.

  Next, in step S26, function setting is performed. Here, the user performs function settings such as brightness, contrast, and hue using the main body key operation unit of the display device 100 or the remote controller. Then, the mode of setting operation is selected. In this case, the user selects “setting operation is possible” or “setting operation is prohibited” from the options displayed on the screen using the main body key operation unit of the display device 100 or the remote controller, and the setting is confirmed by confirming the selection. I do.

  Next, in step S27, it is determined whether or not the setting operation is prohibited. If the setting operation is prohibited, information relating to function setting items in the external memory 11 is rewritten in step S28. Then, in step S29, the operation shifts to the setting operation prohibition mode and the operation is terminated. If it is determined in step S27 that the setting operation prohibition is not set, in step S30, information on the function setting item and the setting operation mode in the external memory 11 is rewritten. Then, in step S31, the mode shifts to the setting operation enable mode, and the operation ends.

  As described above, in this embodiment, when power is turned on, for example, data is read from the external memory 11 to determine whether or not the display device 100 is in the initial state, and is determined to be in the initial state. The initial setting menu is displayed, and the user sets the setting operation possible or the setting operation prohibition by selecting an option displayed on the screen using the main body key operation unit or the remote control. When changing the setting, the user is first confirmed, and based on the confirmation result, the mode is shifted to the setting operation enabling mode or the setting operation prohibiting mode.

  Thereby, since the setting change by other users can be prohibited, it is possible to reliably avoid changing the contents set by the user himself / herself to another user.

  Further, for example, since it is confirmed whether or not the user is the user by using a key input password or an image of the CCD camera, other users cannot easily cancel the operation prohibition setting.

  In addition, hardware such as a transparent touch panel is not added as in the prior art, and the setting operation of other users can be prohibited at a low cost.

  As a result, for example, at the time of selling the device, the customer operates the setting at the store and prevents the device from being left at a value far from the adjustment value at the time of product shipment. It becomes possible to show the performance of.

  In the above-described embodiment, the case where the display device 100 is a television receiver has been described. However, the present invention is not limited to this. The present invention can also be applied to display devices other than television receivers, for example, display devices such as computer monitors and mobile devices.

  In the above-described embodiment, options such as “allowing setting operation” and “prohibiting setting operation” are used as options relating to setting operation permission / prohibition, but the present invention is not limited to this. For example, an option such as “setting operation prohibition: ON / OFF” may be used.

  In the above embodiment, a password is used for user confirmation, but the present invention is not limited to this. For example, when an image capturing unit such as a CCD camera is arranged on the display device 100, the image of the user is registered by the image capturing unit such as the CCD camera, stored in the external memory 11, and used when the display device 100 is used. The image may be captured again by an image capturing means such as a CCD camera, and the setting operation may be enabled when the image matches a pre-registered image.

  Further, in the above-described embodiment, a case has been described in which setting change prohibition is prohibited by another user after the user sets setting operation prohibition, but the present invention is not limited to this. For example, when the user sets the prohibition of the setting operation, other users can set the function adjustment item by the first setting means, and the control means returns the setting value of the function adjustment item every predetermined time. You may make it return to the setting value of.

  In this case, the display device 100 further includes a time measuring unit for measuring time, and when the first setting unit is set to be prohibited from operation by the second setting unit, other users adjust the function with the first setting unit. When an item can be set and it is determined that the predetermined time has been reached, the original set value is read from the external memory 11, and the other user returns the set value to the original set value. .

  The display device and the setting control method thereof according to the present invention are applied to display devices such as a television receiver, a PC monitor, and a projector that can prevent the contents set by the user from being changed by a person other than the user. And suitable.

It is a figure which shows the structural example of the display apparatus of embodiment. It is a flowchart which shows the operation example at the time of power activation. It is a figure which shows the example of a display of an initial setting screen. It is a flowchart which shows the operation example at the time of a setting change. It is a figure which shows the example of a display of a setting menu.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Tuner circuit, 2 ... Video signal extraction circuit, 3 ... Audio signal reproduction circuit, 4 ... Speaker, 5 ... Video signal reproduction circuit, 6 ... OSD circuit, 7 ... OSD superposition circuit, 8 ... display device, 9 ... control unit, 10 ... operation unit, 11 ... external memory, 100 ... display device

Claims (5)

In a display device that displays an image on a display unit based on an image signal,
First setting means for setting function adjustment items of the display unit;
Second setting means for setting the first setting means to be operable or prohibited, and
Storage means for storing the contents set by the first and second setting means;
Confirmation means for confirming whether the user himself / herself has been set by the second setting means when changing the setting;
And a control means for controlling the first setting means to be operable or prohibited based on a confirmation result of the confirmation means. A judgment means for judging whether or not it is the first activation after shipment at power-on;
Information for prohibiting the operation of the first setting means is stored in the storage means in advance.
A setting menu for setting the first setting means to be operable or prohibited is displayed when the determination means determines that the first activation after shipment is made when the power is turned on. The display device according to 1. It further comprises a time measuring means for measuring time,
When the first setting means is set to be prohibited from operation by the second setting means, the other user can set the function adjustment item by the first setting means, and the control means can set the predetermined value. 2. The display device according to claim 1, wherein control is performed so as to return the set value of the function adjustment item to the original set value from the set value set by the other user every time. The display device according to claim 1, wherein the confirmation unit confirms whether or not the user is the user by using a key input password or an image of a CCD camera. A display device setting control method for displaying an image on a display unit based on an image signal,
A first setting step of setting function adjustment items of the display unit by a first setting means;
A second setting step for setting the first setting means to be operable or prohibited by the second setting means;
A storage step for storing the contents set in the first and second setting steps;
When changing the setting, a confirmation step for checking whether or not the user himself / herself has made the setting in the second setting step;
And a control step for controlling the first setting means to be operable or prohibited based on a confirmation result of the confirmation step.

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