JP2012032474A - On-screen display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an on-screen display device which allows a change in display position of a menu display as OSD and allows the display position to be returned to an original position (a default set position) after the change.SOLUTION: The on-screen display device includes a storage part (a nonvolatile memory 2) where original position information (an original position file) of a menu display is stored, and a position change unit (a display position control unit 12) for changing the position of the menu display. When the position of the menu display is changed by the position change unit, display position information (a user position file) of the menu display of which the position has been changed is preserved in the storage part without deleting original position information of the menu display.

Description

  The present invention relates to an on-screen display device that superimposes an OSD signal for displaying a menu or the like on a video signal.

  In electrical devices that process video signals such as television receivers and DVD recorders, many on-screen display devices that have built-in OSD signals for displaying menus etc. have been on the market. Yes.

  However, in the on-screen display device, since the OSD signal is superimposed on the video signal, a part of the video display based on the video signal is hidden by the OSD display based on the OSD signal. In the conventional general on-screen display device, since the display position of the OSD display is fixed, appreciation of the video display may be significantly hindered by the OSD display.

JP 2006-195711 A (paragraphs 0007 to 0016) Japanese Patent Laying-Open No. 2005-197991 (paragraphs 0020 and 0027) JP-A-8-186774 (paragraphs 0017 and 0019)

  As a method for solving such a problem, it is conceivable to use a technique disclosed in Patent Documents 1 to 3, that is, a technique for changing the display position of the OSD display.

  However, since the display position of the OSD display is automatically determined in Patent Document 1, there is a problem that the display position of the OSD display cannot be set to the original position (default setting position).

  Further, in Patent Document 2, when the display position of the OSD display is changed, data related to the changed display position is stored in the nonvolatile memory, so the original position (default setting position) is held. There was a problem that I could not.

  Further, in Patent Document 3, after the display position of the OSD display is changed, whether or not the data related to the changed display position or the data related to the original position (default setting position) is stored in the memory in a non-volatile manner. There was no disclosure or suggestion about.

  In view of the above situation, the present invention provides an on-screen display device that can change the display position of a menu display that is an OSD display, and can return the original position (default setting position) after the change. With the goal.

  In order to achieve the above object, an on-screen display device according to the present invention includes a storage unit that stores original position information of a menu display, and a position change unit that changes the position of the menu display, and the position change unit. Thus, when the position of the menu display is changed, the changed display position information of the menu display is stored in the storage unit without deleting the original position information of the menu display.

  According to such a configuration, the display position of the menu display that is the OSD display can be changed. Further, even when the position of the menu display is changed by the position changing unit, the original position information of the menu display is not deleted, so that the original position (default setting) is changed after the display position of the menu display is changed. It is also possible to return to the position.

  Further, when the changed display position information of the menu display is not stored in the storage unit, the position of the menu display becomes a position based on the original position information of the menu display, and the changed When the display position information of the menu display is stored in the storage unit, it is preferable that the position of the menu display is a position based on the changed display position information of the menu display.

  According to such a configuration, when the menu display is ended after changing the display position of the menu display, and then the menu display is executed again, the menu display is maintained with the display position changed in the previous menu display maintained. Will be executed.

  Moreover, it is preferable that the specific location of the menu display is a reference position coordinate, and the coordinates of various information displayed on the menu are coordinates representing a relative position from the reference position coordinate.

  Such a configuration makes it easy to rewrite the coordinates of various information displayed on the menu.

  The on-screen display device according to the present invention includes a storage unit that stores the original position information of the menu display, and a position change unit that changes the position of the menu display, and the position of the menu display is changed by the position change unit. Is changed, the original display position information of the menu display is not deleted and the changed display position information of the menu display is stored in the storage unit. The display position can be changed, and the original position (default setting position) can be restored after the change.

It is a figure which shows one schematic structural example of the on-screen display apparatus which concerns on this invention. It is a flowchart which shows operation | movement of the display position control part when a menu display is instruct | indicated by user operation. It is a flowchart which shows operation | movement of the display position control part during menu display. It is a figure which shows an OSD display screen.

  Embodiments of the present invention will be described below with reference to the drawings. A schematic configuration example of the on-screen display device according to the present invention is shown in FIG.

  The on-screen display device shown in FIG. 1 includes an OSD control microcomputer 1, a nonvolatile memory 2, and a superimposing circuit 3. The OSD control microcomputer 1 includes an instruction signal determination unit 11, a display position control unit 12, and an OSD signal generation unit 13. As the nonvolatile memory 2, for example, a part of firmware storage memory provided in an electric device (for example, a television receiver or a DVD recorder) equipped with the on-screen display device shown in FIG. 1 is used. be able to. The firmware storage memory is a memory different from the main memory provided in the electric device.

  The electrical device includes a main microcomputer (not shown) that controls the entire electrical device. The main microcomputer generates an instruction signal based on a signal output from a remote control transmitter (not shown) or an operation unit (not shown) provided in the electric device by a user operation. The main microcomputer outputs an instruction signal related to OSD display among the instruction signals to the instruction signal determination unit 11 of the OSD control microcomputer 1.

  The instruction signal determination unit 11 determines the instruction content of the instruction signal sent from the main microcomputer and outputs the determination result to the display position control unit 12. The display position control unit 12 executes data writing to the nonvolatile memory 2 or data writing from the nonvolatile memory 2 in accordance with the information sent from the instruction signal determination unit 11. The OSD signal generation unit 13 generates an OSD signal based on the data sent from the display position control unit 12 (data read from the nonvolatile memory 2) and outputs the OSD signal to the superimposing circuit 3. The superimposing circuit 3 superimposes the OSD signal on a video signal sent from a video processing circuit (not shown) mounted on the electric device or a video signal inputted externally, and a video display unit (not shown). Output to. Thus, the video display unit displays a video display based on the video signal superimposed with an OSD display based on the OSD signal. The video display unit may be inside or outside the electric device.

  When a menu display is instructed by a user operation on the remote control transmitter (not shown) or the operation unit (not shown), the display position control unit 12 executes the flowchart operation shown in FIG.

  In the flowchart operation shown in FIG. 2, the display position control unit 12 first determines whether or not the “user position file” exists in the nonvolatile memory 2 (step S10). If the process in step S50 in FIG. 3 to be described later is executed even once, a “user position file” exists, and conversely, the process in step S50 in FIG. 3 to be described later must be executed once. In this case, the “user location file” does not exist.

  If the “user position file” exists (YES in step S10), the display position control unit 12 reads the OSD display display position information from the “user position file” (step S20), and ends the flow operation. To do. On the other hand, if the “user position file” does not exist (NO in step S10), the display position control unit 12 reads the display position information of the OSD display from the “original position file” (step S30), and FIG. The flow operation shown in FIG.

  After the operation of the flowchart shown in FIG. 2 is completed, the display position information of the OSD display read and the character data (data such as pictures and characters) necessary for OSD display read from the nonvolatile memory 2 are displayed. 12 is sent to the OSD signal generator 13.

  Further, during the menu display, that is, while the OSD signal generation unit 13 outputs the OSD signal corresponding to the menu display, the display position control unit 12 repeatedly executes the flowchart operation shown in FIG.

  In the flowchart operation shown in FIG. 3, the display position control unit 12 first determines whether or not the menu display position has been changed by a user operation on the remote control transmitter (not shown) or the operation unit (not shown). (Step S40). The position of the menu display can be changed, for example, during a period from when a specific key provided in the remote control transmitter (not shown) is pressed until the specific key is pressed again during menu display. It may be executed by the user operating a cross key or an up / down / left / right key provided in a transmitter (not shown).

  When the position of the menu display is changed by the user operation (YES in step S40), the display position control unit 12 changes the contents of the OSD signal according to the display position of the menu display changed by the user operation. The display position information of the menu display changed by the user operation is stored in the nonvolatile memory 2 as a “user position file” (step S50), and the flow operation shown in FIG. If the “user position file” already exists, it is overwritten and saved. On the other hand, when the menu display position is not changed by the user operation (NO in step S40), the display position control unit 12 immediately ends the flow operation shown in FIG.

  Through the operation as described above, the display position of the menu display which is the OSD display can be changed. In addition, when the menu display is ended after changing the display position of the menu display, and then the menu display is executed again, the display position information of the menu display is read from the “user position file”. The menu display is executed with the display position maintained as it is. Further, even after the “user position file” is created, the nonvolatile memory 2 does not delete the “original position file”, so that the initialization process is performed even after the display position of the menu display is changed. Thus, the original position (default setting position) can be restored.

  Here, the recording format of “user position file” and “original position file” will be described. 4 (a) and 4 (b) show OSB display screens on which menus are displayed, and FIG. 4 (a) and FIG. 4 (b) differ from each other in menu display display positions. .

For example, the coordinates _P 1 to P ₃ of the various types of information to be displayed on the menu of the reference position coordinates _{P R} and the menu (Fig. 4, items 1 to item 3), the absolute coordinates of the upper left end of the OSB display screen as the origin _{P 0} Can be expressed as In this case, P _R (x1, y1) and P ₁ (x1 + Δx, y1 + Δy) are obtained in FIG. 4A, and P _R (x2, y2) and P ₁ (x2 + Δx, y2 + Δy) are obtained in FIG. 4B.

However, on-screen display apparatus shown in FIG. 1, since the display position of the menu display is OSD display is configured to be changed, displayed in the menu of the reference position coordinates P _R and on the menu generated by the display position change of the menu display It is desirable that the coordinates P _{1 to} P ₃ of various information (item 1 to item 3 in FIG. 4) are easily rewritten. Thus, for example, the reference position coordinates P _R menu represents the upper left corner of the OSB display screen in absolute coordinates with the origin P _0, the coordinates P of various types of information to be displayed on the menu (in FIG. 4 Item 1 Item 3) the ₁ to P _3, it is desirable to coordinates representing a relative position from the reference position coordinates P _R menu. In this case, P _R (x1, y1) and P ₁ (Δx, Δy) are obtained in FIG. 4A, and P _R (x2, y2) and P ₁ (Δx, Δy) are obtained in FIG. 4B. In this case, the coordinates P _{1 to} P _{3 of} various information (item 1 to item 3 in FIG. 4) displayed on the menu are the same between the “user position file” and the “original position file”. The coordinates P _{1 to} P ₃ of various types of information displayed on the menu (items 1 to 3 in FIG. 4) may be stored separately in the “user position file” and the “original position file”. Although it is good, it may be stored in common.

  As mentioned above, although embodiment which concerns on this invention was described, the range of this invention is not limited to this, A various change can be added and implemented in the range which does not deviate from the main point of invention.

  For example, even if the display position change of the menu display which is the OSD display is executed, there is a case where it is not possible to suppress much that the viewing of the video display is hindered by the menu display. As a countermeasure against such a case, for example, a scaler may be provided at the output stage of the OSD signal generation unit 13 so that the menu display can be reduced by a user operation.

  In the above-described embodiment, as a method for changing the position of the menu display, a specific key provided in the remote control transmitter (not shown) is pressed and then the specific key is again displayed during the menu display. A method of executing a change by operating a cross key or an up / down / left / right key provided in the remote control transmitter (not shown) in the period until it is pressed is exemplified. It takes time to move to the position, and the user may feel annoying.

  Therefore, for example, the on-screen display device according to the present invention automatically determines a change candidate position and displays the change candidate position by marking or the like, and a cross provided in the remote control transmitter (not shown). The user can select the change candidate position by operating the key and the up / down / left / right key. If fine adjustment of the position is required, the user can select other keys (for example, fast-forward key, rewind key, etc.). It may be possible to move from the change candidate position by operating.

  Further, when determining the change candidate position, for example, a known edge detection is performed on the frame image data of the video signal, and there is a high possibility that the portion has few edges (not a person or a structure, but a landscape or the like). It is preferable to detect a portion) and set a portion with few edges as a change candidate position.

  Further, when determining the change candidate position, for example, known face detection may be performed on the frame image data of the video signal, and a portion where no face is detected may be set as the change candidate position.

  Further, when determining the change candidate position, for example, the difference data between a plurality of frames of the frame image data of the video signal is obtained, and the portion where the difference value is small (there may be a landscape, not a person or a structure) It is recommended that the higher part) be the change candidate position.

  Further, when determining the change candidate position, the aspect ratio of the video signal is set to a value different from the screen aspect ratio of the video display unit (not shown), and the portion where the video based on the video signal is not displayed is set as the change candidate position. Good.

  In the above-described embodiment, only one “user location file” is provided, but a plurality of “user location files” may be provided. In this case, a “user position file” is provided for each user, and information on which user is using the information is stored in the present invention by a user operation on the remote control transmitter (not shown) or the operation unit (not shown). Such an on-screen display device may be notified, and the on-screen display device according to the present invention may select a “user location file” according to the informed information. Alternatively, or in addition, a “user position file” is provided for each genre of video content, and information on which genre of video content is being viewed is obtained from, for example, an EPG or the like according to the present invention. May be selected and a “user location file” may be selected according to the acquired information.

  In the above-described embodiment, the “user position file” and the “original position file” are stored in one nonvolatile memory 2, but may be stored in separate memories.

DESCRIPTION OF SYMBOLS 1 Microcomputer for OSD control 2 Nonvolatile memory 3 Superimposition circuit 11 Instruction signal discrimination | determination part 12 Display position control part 13 OSD signal generation part

Claims (3)

A storage unit for storing the original position information of the menu display;
A position changing unit for changing the position of the menu display,
When the position of the menu display is changed by the position changing unit, the changed display position information of the menu display is stored in the storage unit without deleting the original position information of the menu display. A featured on-screen display device. If the changed display position information of the menu display is not stored in the storage unit, the position of the menu display is a position based on the original position information of the menu display,
The display position information of the changed menu display is stored in the storage unit, and the position of the menu display is a position based on the changed display position information of the menu display. On-screen display device.   3. The on-screen display device according to claim 1, wherein a specific position of the menu display is a reference position coordinate, and coordinates of various information displayed on the menu are coordinates representing a relative position from the reference position coordinate. .

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