JP2010190928A - Projector, remote controller, and projector system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a projector, a remote controller, and a projector system enabling information setting through character input and note taking. <P>SOLUTION: The projector is provided with: a keyboard interface 51 for connecting a keyboard 40; a keyboard input part 52 acquiring input information from the keyboard 40 through the keyboard interface 51; a text editor 53 converting the obtained input information to text information; and a recording control part 56 recording the converted text information in an internal memory 57 or an external memory 58. The recording control part 56 records text information in setting an OSD menu screen and records text information input as a note. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a projector, a remote controller, and a projector system for projecting and displaying an image on a screen.

  Projector information is generally set using an operation panel or remote controller. For example, for setting items that involve character input, OSD display is performed on the software keyboard, and character input is performed using keys provided on the operation panel or the remote controller (for example, Non-Patent Document 1). Since there are no character keys on the operation panel or the remote controller, it is not possible to directly input characters using the keys provided on them.

  On the other hand, there is a desire to take note of what the presenter noticed during a presentation using a projector. However, it is inconvenient to prepare memo paper and a pen and take notes while operating the projector. Therefore, a method of taking a memo using the above software keyboard (recording input information) can be considered.

OFFILIO PROJECTOR INSTRUCTION MANUAL EMP-1815 / 1810 2007 Edition (Epson Sales Co., Ltd., Seiko Epson Co., Ltd., page 44 “Soft keyboard operation”)

  However, the actual problem is that the software keyboard has a problem that it takes time to perform an input operation and is unusable. In addition, when projecting an image sent from a personal computer with a projector, it may be possible to take notes on the personal computer. However, if other software (such as a text editor) is started while the presentation software is running, This is also impossible because it affects the image.

  In view of the above problems, an object of the present invention is to provide a projector, a remote controller, and a projector system capable of easily performing information setting with character input and taking notes.

  The projector of the present invention includes an interface for connecting a keyboard, information acquisition means for acquiring input information from the keyboard via the interface, text conversion means for converting the acquired input information into text information, and conversion And recording means for recording the text information recorded on a recording medium.

According to this configuration, a keyboard as hardware is connected to the interface, and input information from the keyboard can be recorded on the recording medium, so that a memo can be easily input without using a software keyboard.
Note that a general-purpose keyboard having a general interface can be used as the keyboard.

  In the projector described above, it is preferable that the projector further includes projection display means for projecting and displaying text information.

  In the projector described above, the information acquisition unit, the text conversion unit, and the recording unit are preferably operable during projection display by the projection display unit.

  According to these configurations, since text information can be projected and displayed, the contents of the memo can be confirmed on the screen when it is desired to write down what the presenter noticed during the presentation. In addition, if the text information is superimposed on the projected image, it can be supplemented when there is an omission in the presentation material.

  It is preferable to further include information setting means for setting information on the OSD menu screen based on the text information, and the recording means records the text information used for setting by the information setting means on a recording medium.

  According to this configuration, information setting with character input on the OSD menu screen can be easily and quickly performed using a keyboard as hardware.

  In the projector described above, the input information includes shortcut information by keyboard shortcut key operation, and the information setting means directly designates an arbitrary menu item on the OSD menu screen based on the shortcut information and the designated menu. It is preferable that item information can be set.

  According to this configuration, the menu item can be directly designated (selected) without requiring an operation for opening the OSD menu screen. Thereby, the menu item information can be set more quickly.

  In the projector described above, the recording medium indicates at least one of an internal recording medium inside the projector and an external recording medium connected to the projector, and the input information is stored in the internal recording medium or the external recording medium 1 It is preferable that file designation information for designating any one of the above files is included, and the recording unit can rewrite the designated file based on the text information.

  According to this configuration, any one of one or more files (text files) stored in the internal recording medium or the external recording medium can be designated and rewritten. As a result, the efficiency of writing notes can be increased and the writing can be effectively used later, which is convenient.

  A remote controller of the present invention is a remote controller for operating a projector, and includes an interface for connecting a keyboard, and transmission means for transmitting input information from the keyboard to the projector. To do.

  The projector of the present invention is a projector comprising the remote controller described above and a projector main body, the projector main body receiving means for receiving input information transmitted from the remote controller, and the received input information, A text conversion unit that converts text information and a recording unit that records the converted text information on a recording medium are provided.

  According to these configurations, by using a keyboard as hardware, information setting with character input can be easily performed, and memo input can be performed. In addition, since the keyboard is connected to the remote controller, the keyboard can be connected without any trouble even when it is difficult to connect the keyboard to the projector body, such as when the projector body is installed in a suspended state.

  The projector system of the present invention is a projector system comprising a computer having a keyboard and a projector, the projector receiving a keyboard input information transmitted from the computer, and receiving the received input information as text. A text conversion means for converting into information, and a recording means for recording the converted text information on a recording medium are provided.

  According to this configuration, by using the keyboard of the computer, information setting with character input can be easily performed, and memo input can be performed. Moreover, since the input information is converted into text information on the projector side, there is no need to start software (such as a text editor) for that purpose on the computer side. Thus, there is no problem that the projected image is switched to the text editor screen during projection display.

1 is a block diagram illustrating a configuration of a projector according to a first embodiment. It is a figure which shows an example of the top screen of an OSD menu screen, and a network setting screen. It is a figure which shows an example of the memo processing screen of an OSD menu screen. It is a flowchart which shows the recording process of the memo by a projector. It is a block diagram which shows the structure of the projector which concerns on 2nd Embodiment. It is a block diagram which shows the structure of the projector system which concerns on 3rd Embodiment.

[First Embodiment]
Hereinafter, a projector, a remote controller, and a projector system according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram illustrating a configuration of a projector 10 according to the first embodiment. As shown in the figure, the projector 10 includes a keyboard interface 51, a keyboard input unit 52, a text editor 53, an operation panel 54, a remote controller (hereinafter referred to as "remote control") 45, a remote control light receiving unit 55, a recording control unit. 56, internal memory 57, external memory 58, central control unit 59, image signal input terminal 60, input source selection unit 61, OSD (On Screen Display) processing unit 62, OSD memory 63, image processing unit 64, projection control unit 65 and a projection optical system 70 are provided.

  The keyboard interface 51 is, for example, a USB interface (type A), to which a keyboard 40 as hardware is connected. The keyboard input unit 52 acquires input information from the keyboard 40 via the keyboard interface 51. The “information acquisition unit” in the claims refers to the keyboard input unit 52. The text editor 53 converts the input information input to the keyboard input unit 52 into text information. “Text conversion means” in the claims refers to the text editor 53.

  The operation panel 54 and the remote controller 45 are for the user to perform various settings and operations. The remote control light receiving unit 55 performs wireless communication with the remote control 45.

  The recording control unit 56 is a memory controller that records information in the internal memory 57 or the external memory 58 based on a command from the central control unit 59. “Recording means” in the claims refers to the recording control unit 56, and “recording medium” in the claims refers to the internal memory 57 or the external memory 58. The internal memory 57 has a memo recording area 57a and an environment setting data storage area 57b. The external memory 58 is dedicated to memo recording.

  The recording control unit 56 records the text information converted by the text editor 53 on the memo recording area 57 a of the internal memory 57 or the external memory 58 based on the memo recording command from the central control unit 59. The external memory 58 refers to a memory that is detachable (connectable) to the projector 10. Further, the recording control unit 56 sets the input information input by the keyboard input unit 52 or the text information converted by the text editor 53 based on the setting information recording command from the central control unit 59 to set the environment of the internal memory 57. Recorded in the data storage area 57b. The setting information recording command is a command related to information setting on the OSD menu screen D01 (environment setting menu screen, see FIG. 2A), and the text information is used for setting menu items with character input.

  The central control unit 59 controls the entire projector 10 and includes a CPU (Central Processing Unit), a ROM (Read Only Memory), and the like (all not shown). The “information setting unit” in the claims refers to the central control unit 59. The central control unit 59 performs information setting based on user information input to the OSD menu screen D01 (input using the operation panel 54, the remote controller 45, and the keyboard 40). Further, the central control unit 59 outputs a memo recording command and a setting information recording command to the recording control unit 56 as described above. That is, a memo recording command is output based on the text information converted by the text editor 53, and a setting information recording command is output based on the setting information (input information or text information) used for setting the OSD menu screen D01. To do.

  In addition, the projector 10 in this embodiment has a function as a Web server, and network communication with the computer is possible using a Web browser of a computer (not shown). Many of the network communication settings involve character input (password, IP address, etc.), but using the keyboard 40 enables quick setting. It is assumed that the central control unit 59 is responsible for storing and calculating a program for realizing a function as a Web server. Details will be described later.

  The input source selection unit 61 selects an input source to be output from the plurality of image signal input terminals 60, and acquires an image signal obtained from the input source after the selection. The plurality of image signal input terminals 60 include a computer input terminal using a computer as an input source, a video input terminal using a video player or a TV tuner as an input source, and the like.

  The OSD processing unit 62 performs OSD processing such as generating text information for memo recording (hereinafter referred to as “memo information”) and an OSD menu screen D01 based on a control signal from the central control unit 59. The “projection display means” in the claims refers to the OSD processing unit 62, a projection control unit 65, and a projection optical system 70 described later. The OSD processing unit 62 reads out predetermined character strings and graphic data from the OSD memory 63 according to the OSD signal from the central control unit 59, generates memo information and an OSD menu screen D01, and outputs them to the image processing unit 64. To do. Note that memo recording can be executed even during projection display, and it is possible to save as a memo what the presenter noticed during the presentation. Further, since the contents of the recorded memo can be displayed on the screen SC (for example, superimposed on the projected image), it can be supplemented when there is an omission in the presentation material.

  The image processing unit 64 performs predetermined image processing on the image signal acquired from the input source selection unit 61 based on an image processing program stored in advance. As the predetermined image processing, keystone distortion correction processing, image quality adjustment processing, image size adjustment processing, gamma correction processing, image composition (superimposition) processing, and the like are performed.

  The projection control unit 65 derives a gradation value corresponding to each pixel of the liquid crystal light valve 73 to be described later based on the image signal processed by the image processing unit 64, and thereby image data composed of gradation values of all pixels. And projection control is performed based on the image data.

  The projection optical system 70 projects and displays images and time information on the screen SC, and includes a light valve driving unit 71, a light source unit 72, a liquid crystal light valve 73 corresponding to the three primary colors, a projection lens 74, and the like. ,have. Since these are well-known structures, detailed description is abbreviate | omitted.

  Next, the information setting operation and the memo recording operation will be described with reference to the screen display examples of FIGS. The item selection and information setting shown below can be performed using any of the operation panel 54, the remote controller 45, and the keyboard 40. FIG. 2A shows an example of the top screen of the OSD menu screen D01. As shown in the figure, a top menu display area 110 and an information display area 120 are provided on the top screen.

  In the top menu display area 110, as a top menu, an [image quality] button for adjusting the image quality, brightness, contrast, etc. of the image, an [image] button for selecting an input signal and adjusting the image, keystone correction and volume [Settings] button for performing various settings such as adjustments, [Extended Settings] button for setting display settings and installation modes according to the setting location, [Network] button for performing network settings, cumulative light source lamp [Information] button for displaying usage time and input signal, [Memo] button for recording memo, and [Initialize] button for initializing all items of OSD menu screen D01 are displayed. . When any button is pressed from the top menu display area 110, the information display area 120 displays a submenu below the hierarchy of the selected item and its set value.

  FIG. 2A illustrates a case where the [Network] button is pressed in the top menu display area 110. In this case, in the information display area 120, a “go to network setting screen” button 121 for displaying the network setting screen D02 (see FIG. 2B) and a “return” button for returning to the previous screen display. 122 is displayed.

  FIG. 2B is a diagram showing an example of the network setting screen D02 displayed when the “Go to network setting screen” button 121 is pressed on the top screen shown in FIG. As shown in the figure, a setting menu display area 130 and a setting item display area 140 are provided on the network setting screen D02.

  In the setting menu display area 130, a [basic setting] button for setting basic items regarding the network, a [wireless LAN] button for setting an antenna level, a wireless LAN method, an IP address, a subnet mask, a gateway address, and the like, [Security] button for setting security type, [Wired LAN] button for setting DHCP, IP address, subnet mask, gateway address, etc., e-mail address for notification destination for notifying projector 10 of abnormality, etc. [Email] button for setting, [Monitor setting] button for setting SNMP, and [End setting] button for ending the network setting and displaying the OSD menu screen D01 are displayed. When one of the buttons is pressed from the setting menu display area 130, the setting item display area 140 displays the lower items below the hierarchy of the selected item and its setting value.

  FIG. 2B illustrates a case where the [Basic setting] button is pressed in the setting menu display area 130. In this case, the setting item display area 140 corresponds to each setting item name of the projector name, the authentication password, and the keyword, and an input field 141 for inputting the setting values and to return to the display of the previous screen. [Return] button 142 is displayed. When setting items that involve character input, such as these projector name, authentication password, and keyword setting items, are selected, the keyboard 40 is ready for character input. Characters input from the keyboard 40 are inserted at the position of the cursor K as shown.

  As described above, when the keyboard 40 is connected, when a setting item with character input is selected, the character input from the keyboard 40 is possible, but the keyboard 40 is not connected. In this case, the soft keyboard rises and characters can be input from the soft keyboard.

  Each item on the OSD menu screen D01 and the network setting screen D02 can be directly specified by operating a shortcut key of the keyboard 40. That is, the input information input to the keyboard input unit 52 includes shortcut information by shortcut key operations. As a result, the user can directly specify the menu item without requiring an operation for opening the OSD menu screen D01, so that the menu item information can be set more quickly.

  Next, a memo recording operation will be described with reference to FIG. FIG. 3A is a diagram showing an example of the OSD menu screen D01 displayed when the [Memo] button is pressed from the top menu display area 110. In this case, a memo information display area 150 is displayed on the OSD menu screen D01. In the memo information display area 150, a [New creation] button 151 for newly creating a memo and a file registered as a memo are displayed. A “file read” button 152 for reading and a “return” button 153 for returning to the display of the previous screen are displayed.

  FIG. 3B illustrates a case where the “read file” button 152 is pressed in the memo information display area 150. In this case, the memo information display area 150 displays a file display area 161 and a [Return] button 162 for returning to the previous screen display. The file display area 161 displays a list of files registered in the external memory 58 when the external memory 58 is attached, and is registered in the internal memory 57 when the external memory 58 is not attached. A list of open files.

  Note that the memo recording operation shown in FIG. 3 can also be performed using any one of the operation panel 54, the remote controller 45, and the keyboard 40. When the keyboard 40 is not connected, the memo recording operation can be performed from the soft keyboard. Can be input.

  Next, the memo recording process will be described with reference to the flowchart of FIG. In the figure, a dotted line frame indicates a process accompanied by a user operation, and a solid line frame indicates a process mainly composed of the operation of the projector 10. When the [memo] button is pressed in the top menu display area 110 to start recording a memo, the user first selects whether to create a new file (S01, see FIG. 3A). .

  When creation of a new file is selected (S01: Yes), the text editor 53 is executed (S02), and information is input by the user (S03). On the other hand, if the creation of a new file is not selected (S01: No), it is confirmed whether or not the external memory 58 is attached (S04). If the external memory 58 is attached (S05: Yes), the file list registered in the external memory 58 is displayed in the file display area 161 (S06, see FIG. 3B). If the external memory 58 is not attached (S05: No), a file list registered in the internal memory 57 is displayed in the file display area 161 (S07).

  When any file is selected by the user from the displayed file list (S08), the text editor 53 is executed (S09), and the contents (text information) of the file are displayed (S10). The display may be superimposed on the projected image or displayed in the file display area 161. When the file is rewritten by information input from the keyboard 40 (S11), the file is saved (S13: recorded in the corresponding memories 57 and 58), and the text editor 53 is terminated (S14).

  On the other hand, when a new memo is created (S01: Yes), the information input by the user is displayed on the projected image or in the file display area 161 (S12). It is preferable to display the input information one character at a time as characters are input from the keyboard 40. Thereafter, the file is saved (S13), and the text editor 53 is terminated (S14).

  As described above, according to the projector 10 of the present embodiment, the keyboard 40 as hardware can be connected, and input information from the keyboard 40 can be converted into text information and recorded, so that a memo can be recorded easily. be able to. Further, since the text information can be projected and displayed, if it is desired to write down as a memo what the presenter noticed during the presentation, the memo content can be confirmed on the screen SC. In addition, if the text information is superimposed on the projected image, it can be supplemented when there is an omission in the presentation material. Further, by using the keyboard 40, selection of menu items on the OSD menu screen D01 and information setting thereof can be performed easily and quickly.

[Second Embodiment]
Next, a second embodiment of the present invention will be described with reference to FIG. In the above embodiment, the keyboard 40 is directly connected to the projector 10, but the present embodiment is different in that the keyboard 40 is connected to the remote controller 80. Only differences from the first embodiment will be described below.

  FIG. 5 is a block diagram illustrating a configuration of the projector 10 according to the second embodiment. The projector 10 includes a remote controller 80 and a projector main body 90. The remote control 80 includes a keyboard interface 81, a keyboard input unit 82, an input operation unit 83, a remote control control unit 84, and a transmission unit 85.

  The keyboard interface 81 and the keyboard input unit 82 have the same functions as the keyboard interface 51 and the keyboard input unit 52 of the first embodiment. Further, the input operation unit 83 includes various operators provided on the remote controller 80. The remote control unit 84 controls the entire remote control 80, and the transmission unit 85 is for communicating with the projector main body 90. When information is input from the input operation unit 83 or the keyboard input unit 82, the remote control unit 84 transmits the input information to the projector main body 90 via the transmission unit 85.

  On the other hand, the projector main body 90 includes the respective components of the projector 10 shown in FIG. 1 including the remote control light receiving unit 55 (illustration is omitted except for the remote control light receiving unit 55). However, in this embodiment, the keyboard interface 51 and the keyboard input unit 52 are unnecessary. That is, the projector main body 90 of the present embodiment is configured to acquire input information of the keyboard 40 via the remote control light receiving unit 55. The “reception means” in the claims refers to the remote control light receiving unit 55.

  As described above, according to the projector 20 of the present embodiment, since the keyboard 40 is connected to the remote controller 80, it is difficult to connect the keyboard 40 to the projector main body 90, such as when the projector main body 90 is installed in a suspended state. Even in such a case, it is possible to input information using the keyboard 40 without any trouble.

[Third Embodiment]
Next, a third embodiment of the present invention will be described with reference to FIG. In the above embodiment, the keyboard 40 is directly connected to the projectors 10 and 20, but the present embodiment is different in that the computer 200 is connected. Only differences from the first embodiment will be described below.

  FIG. 6 is a block diagram illustrating a configuration of a projector system SY according to the third embodiment. The projector system SY includes a computer 200 and a projector 30. Although the projector 10 of the first embodiment can use the projector 10 of the first embodiment, the keyboard interface 51 and the keyboard input unit 52 are not essential, and thus are not shown.

  On the other hand, the computer 200 has a keyboard 210 that functions as information input means. In addition, a web browser for communicating with the web server of the projector 30 is mounted and connected to the image signal input terminal 60 of the projector 30 via a network (not shown). The “reception means” in the claims refers to the image signal input terminal 60. Further, the computer 200 and the projector 30 may be directly connected via a PC cable or the like without using a network.

  As described above, since the projector system SY of the present embodiment is configured to acquire input information from the keyboard 210 via the image signal input terminal 60, a special interface for connecting the keyboard 210 such as the keyboard interface 51 is provided. Therefore, the projector 20 having the existing configuration can be applied. Further, since the input information is converted into text information on the projector 30 side, it is not necessary to activate software (text editor) for that purpose on the computer 200 side. Thereby, there is no problem that the projected image is switched to the text editor screen in accordance with the character input of the keyboard 210. In addition, even when presentation is performed by starting presentation software such as PowerPoint (registered trademark) on the computer 200 side, the text editor 53 on the projector 30 side can be started without affecting the projected image. it can.

  Although the three embodiments have been described above, each component of the projectors 10, 20, and 30 shown in the above embodiments can be provided as a program. Further, the program can be provided by being stored in a recording medium (not shown). That is, a program for causing a computer to function as each component of the projectors 10, 20, and 30 of the present embodiment and a recording medium on which the program is recorded are also included in the scope of rights of the present invention. In addition, modifications can be made as appropriate without departing from the gist of the present invention, such as combining the embodiments.

  DESCRIPTION OF SYMBOLS 10 ... Projector (1st Embodiment) 20 ... Projector (2nd Embodiment) 30 ... Projector (3rd Embodiment) 40 ... Keyboard 51 ... Keyboard interface 52 ... Keyboard input part 53 ... Text editor 56 ... Recording control part 57 ... Internal memory 58 ... External memory 60 ... Image signal input terminal 61 ... Input source selection section 62 ... OSD processing section 63 ... OSD memory 64 ... Image processing section 65 ... Projection control section 70 ... Projection optical system 80 ... Remote control 90 ... Projector Main unit D01 ... OSD menu screen D02 ... Network setting screen SC ... Screen SY ... Projector system

Claims (9)

An interface for connecting a keyboard;
Information acquisition means for acquiring input information from the keyboard via the interface;
Text conversion means for converting the acquired input information into text information;
A projector comprising: recording means for recording the converted text information on a recording medium.   The projector according to claim 1, further comprising projection display means for projecting and displaying the text information.   The projector according to claim 1, wherein the information acquisition unit, the text conversion unit, and the recording unit are operable during projection display by the projection display unit. Further comprising information setting means for setting information on the OSD menu screen based on the text information;
The projector according to claim 1, wherein the recording unit records the text information used for setting by the information setting unit on the recording medium. The input information includes shortcut information by a shortcut key operation of the keyboard,
5. The information setting unit according to claim 4, wherein the information setting unit can directly specify an arbitrary menu item on the OSD menu screen based on the shortcut information and set information on the specified menu item. projector. The recording medium refers to at least one of an internal recording medium inside the projector and an external recording medium connected to the projector,
The input information includes file designation information for designating one of one or more files stored in the internal recording medium or the external recording medium,
The projector according to claim 1, wherein the recording unit can rewrite the designated file based on the text information. A remote controller for operating the projector,
An interface for connecting a keyboard;
A remote controller comprising: transmission means for transmitting input information from the keyboard to the projector. A projector comprising the remote controller according to claim 7 and a projector body,
The projector body is
Receiving means for receiving the input information transmitted from the remote controller;
Text conversion means for converting the received input information into text information;
A projector comprising: recording means for recording the converted text information on a recording medium. A projector system comprising a computer having a keyboard and a projector,
The projector is
Receiving means for receiving input information of the keyboard transmitted from the computer;
Text conversion means for converting the received input information into text information;
A projector system comprising: recording means for recording the converted text information on a recording medium.

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