JP2007104567A - Electronic equipment - Google Patents

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Publication number
JP2007104567A
JP2007104567A JP2005295132A JP2005295132A JP2007104567A JP 2007104567 A JP2007104567 A JP 2007104567A JP 2005295132 A JP2005295132 A JP 2005295132A JP 2005295132 A JP2005295132 A JP 2005295132A JP 2007104567 A JP2007104567 A JP 2007104567A
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Japan
Prior art keywords
remote control
light
icon
direction
device
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Pending
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JP2005295132A
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Japanese (ja)
Inventor
Fumihiko Aoki
Koji Hisakawa
浩司 久川
文彦 青木
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Sharp Corp
シャープ株式会社
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Application filed by Sharp Corp, シャープ株式会社 filed Critical Sharp Corp
Priority to JP2005295132A priority Critical patent/JP2007104567A/en
Priority claimed from US11/544,689 external-priority patent/US20070080940A1/en
Publication of JP2007104567A publication Critical patent/JP2007104567A/en
Application status is Pending legal-status Critical

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Abstract

A pointer (cursor) on a monitor screen at a distant position is quickly and intuitively moved by an arbitrary movement in a space of a remote control transmitter, thereby enabling various operations.
One or a plurality of content icons and device icons are displayed on a monitor screen, and an application corresponding to the device icon is executed by dragging and dropping an arbitrary content icon onto an arbitrary device icon. The drag-and-drop operation is performed by moving the pointer 4 displayed on the display unit 34a up, down, left, right by moving the remote control transmitter 40 up, down, left, right.
[Selection] Figure 2

Description

  The present invention relates to an electronic device such as a television receiver, a program recorder, a game machine, a videophone system, and a security camera, which includes a remote control device (remote control transmitter) that emits and outputs various optical signals from a light emitting unit. More specifically, the present invention relates to an electronic device that can quickly and intuitively move a pointer (cursor) on a monitor screen at a distant position by an arbitrary movement in the space of a remote control transmitter.

  In a conventional television receiver, for example, channel switching and volume adjustment are performed by pressing a predetermined key arranged on the remote control transmitter to move the pointer (cursor) on the monitor screen, and the command name is By moving the pointer over the written button on the screen and selecting it, you can operate it without looking at the remote control transmitter itself. In this case, as a device for operating the pointer on the screen from a remote position, there are a cross key attached to the remote control transmitter, a ball point device, a joystick, and the like.

  On the other hand, as devices evolve, so many keys are placed on the remote control transmitter, making it difficult to find the key to press. Furthermore, the key operation is complicated, and it is necessary to press a plurality of keys. In addition, when a necessary program is selected from a huge number of recorded programs and TV channels, it is complicated to select from a list, and an operation is complicated to search.

  Thus, it can be said that the conventional remote control operation is complicated and has reached the limit of the operation. In view of this, an invention has been proposed in which the operability of such a remote control transmitter is improved (see, for example, Patent Documents 1 and 2).

  The device described in Patent Document 1 includes an inertial sensor that detects a direction of movement of a remote control transmitter when it is moved by a user, and generates a direction signal indicating the direction of the movement. The television receiver can move the pointer to a desired position by shifting the pointer on the screen in accordance with the direction signal.

In addition, the device described in Patent Document 2 is such that when a user performs a click operation when a mouse cursor is outside a reaction area such as an icon displayed on the screen, the reaction area is enlarged and an enlarged portion is displayed. Is done. Here, when the mouse cursor is moved into the enlarged portion and a click operation is performed, the process corresponding to the original reaction area is automatically started.
JP 2005-12433 A JP-A-9-251341

  However, in the invention described in Patent Document 1, it is necessary to provide the remote control transmitter with an inertial sensor, and it is necessary to generate and output a direction signal based on this inertial sensor. There is a problem that the signal processing on the remote control transmitter side becomes complicated as well as being complicated. Moreover, although the thing of the said patent document 1 can move a pointer by moving a remote control transmitter, the process after a movement is still a key operation of a remote control transmitter, and operation which is not different from the past. It was.

  Further, according to the invention described in Patent Document 2, when the user wants to operate an icon at a position away from the mouse cursor, the amount of movement of the mouse cursor can be reduced, but after entering the enlarged reaction area. The subsequent processing is still a key operation of the remote control transmitter, which is an operation that is not different from the conventional one.

  The present invention was devised in view of such circumstances, and its purpose is to enable operation without looking at the remote control transmitter, and to read and operate the command names written on the buttons on the screen. Rather than being able to operate intuitively, it is possible to easily select necessary ones from a huge number of recorded programs and TV channels, and to reduce the number of keys on the remote control transmitter It is to provide an electronic device. Specifically, various operations can be facilitated by quickly and intuitively moving a pointer (cursor) on a monitor screen at a distant position by any movement in the space of the remote control transmitter. Another object of the present invention is to provide an electronic apparatus using the optical pointing device.

  In order to achieve the above object, the electronic device according to the present invention provides a predetermined application for a dropped icon by dragging and dropping the icon displayed on the monitor screen with the pointer selected by the remote control device. In the electronic device having a drag-and-drop function to be executed in the above aspect, one or a plurality of content icons and device icons are displayed on the monitor screen, and an arbitrary content icon is dragged and dropped onto an arbitrary device icon. Thus, an application corresponding to the device icon is executed.

  Specifically, recording devices such as TVs, VTRs, DVD recorders, etc., video cameras, personal computers, and other device icons are arranged on the monitor screen, and content providing media (terrestrial broadcasting, satellite broadcasting, cable TV, DVD disc). Etc.) content icons. Then, by dragging and dropping the content icon onto the device icon, for example, in the case of a DVD recorder, reproduction, recording, reservation, etc. are performed.

  In addition, the electronic device of the present invention displays one or more content icons, device icons, and operation icons on the monitor screen, and also displays a setting column for each icon. Drag and drop to the field, drag and drop any device icon to the corresponding setting field, and drag and drop any operation icon to the corresponding setting field to execute the application corresponding to each set icon It is characterized by making it.

  Specifically, device icons such as TV, VTR, HDD built-in DVD recorder, video camera, personal computer, etc. are arranged on the monitor screen, and content providing media (terrestrial broadcast, satellite broadcast, cable TV, DVD disc, etc.) Content icons, operation icons for reproduction, recording, reservation, etc. are arranged, and a setting field for each icon is arranged. Then, drag and drop any content icon to the corresponding setting field, drag and drop any device icon to the corresponding setting field, and drag and drop any operation icon to the corresponding setting field. The application having the contents set in the setting column can be executed.

  In the electronic device of the present invention, one or a plurality of content icons and home appliance icons are displayed on the monitor screen. When the home appliance icon is selected, the installation position is displayed on the floor plan of the monitor screen. And selecting a home appliance icon to be operated from among them. To select the home appliance icon to be operated, for example, by moving the pointer on the monitor screen to the location of the home appliance on the floor plan, the setting screen of the device is displayed on the monitor screen. By inputting operation information, it can be distinguished from settings of other devices.

  According to the electronic apparatus of the present invention, the remote control device includes a light emitting unit that emits and outputs a position detection light signal, and receives the position detection signal from the light reception signal detected by receiving the position detection signal. And the drag-and-drop operation can be configured to move the pointer on the monitor screen up, down, left, and right by moving the remote control device up, down, left, and right. . In this case, the moving direction of the remote control device is detected by the received light amount of the position detection signal. As a method of detecting the direction of the remote control device from the amount of light received from the remote control device, (1) a method using two elliptical LEDs having different wavelengths, (2) a method using PSD (Position Sensitive Ditector), (3) A method in which the direction of the LED is changed to light and the detection is performed based on the ratio of the amount of received light is considered. If any of these methods is used, the moving direction of the remote control device can be known, and the device can be operated by moving the pointer to the corresponding position. In this way, the pointer on the monitor screen can be moved up, down, left and right by moving the remote control device up, down, left and right, so that the user does not need to operate while looking at the keys arranged on the remote control device. The pointer can be operated intuitively while watching the monitor screen.

  In this case, the relationship between the movement of the remote control device and the movement of the pointer is such that the pointer is moved in the direction of the predetermined minimum movement unit by swinging the remote control device once. Can do. As a result, the swing direction and the number of swings of the remote control device coincide with the movement direction and the number of movements of the pointer on the monitor screen, so that the user can intuitively operate the pointer while viewing the monitor screen.

  In addition to the relationship between how to move the remote control device and the movement of the pointer, the direction in which the pointer on the monitor screen is tilted by holding the remote control device in the tilted direction for a certain period of time. You may comprise so that it may move continuously. Thereby, the operability when the moving distance of the pointer is long can be improved.

  Further, according to the electronic apparatus of the present invention, the remote control device is provided with a lever that can be tilted in the front-rear direction and pushed downward, and the center of expansion can be specified by pushing the lever downward. Then, the screen display may be enlarged or reduced by tilting the lever forward or backward. With such a configuration, when a fine character is seen or when the character is small and difficult to see, the necessary area can be enlarged to make the character easy to see. In addition, there are sentences written in small characters when viewing the Web screen of a personal computer on a television, so it is convenient if the necessary area can be expanded in such a case. Furthermore, the operation of enlarging or reducing when viewing a map on the Web is usually performed by clicking a predetermined scale, which is not an intuitive method. On the other hand, when the lever is tilted forward, the screen is enlarged, and when the lever is tilted backward, the screen is reduced, thereby enabling an intuitive operation.

  In addition, according to the electronic device of the present invention, the lever may be used to switch the operation target device. For example, by using this lever, the operation screen is switched to a device connected to the television, such as a DVD recorder, a digital camera, a game machine, a terrestrial TV, a satellite TV, a PC,. In this way, by switching screen-by-device content such as programs recorded on a DVD recorder, images taken with a digital camera, and games, a huge list of titles can be displayed and a required one can be selected from the list. become able to. Thereby, the number of operations required for selection can be reduced.

  Further, according to the electronic device of the present invention, the lever may be used to switch the operation menu screen of the operation target device. For example, in the case of switching the search conditions of recorded programs, it is possible to rearrange such as “date order”, “title order”, “genre order”, and to scroll in ascending order or descending order by tilting this lever. This is a very useful function to find the program you want to watch with the current hard disk recorder, which has a very large capacity and a large number of programs that can be recorded. For example, when selecting a program you want to watch from a large number of channels such as CATV, by tilting this lever, it can be rearranged as “channel viewing frequency order”, “title order”, “genre order”, or scrolling. Can be in ascending order or descending order.

  According to the electronic device of the present invention, the remote control device is provided with a cross key for inputting an instruction in the vertical direction and the horizontal direction, and the up key or the down key of the cross key is pressed. The screen display may be enlarged or reduced. If the remote controller is equipped with a cross key, assigning the front and rear movements of the lever to the top and bottom of the cross key eliminates the need to mount a lever in addition to the cross key, and the number of keys to be placed on the remote controller Can be suppressed.

  The electronic apparatus according to the present invention further includes a light reception detection unit that receives the optical signal and detects a change in the amount of received light in the electronic device including a remote control device that emits and outputs various optical signals from the light emission unit. In a state where a television broadcast signal is received and displayed on the monitor screen, based on a change in the amount of received light detected by the light reception detection unit by shaking the remote control device in one direction, left and right or up and down The up / down of the reception channel is switched, and the up / down of the volume is controlled based on the change in the amount of received light detected by the received light detection unit by shaking the remote control device in the other direction different from the one direction. It may be configured. Specifically, at the change point of the moving direction of the remote control device, for example, if the direction of the beginning of movement is up, the volume is increased, if it is below, the volume is decreased, if it is right, the channel is forward (up direction) In the case of the left, the channel is changed in the reverse direction (down direction). In this way, the volume can be adjusted and the channel can be switched without looking for the necessary button by looking at the remote control transmitter.

  The electronic apparatus according to the present invention further includes a light reception detection unit that receives the optical signal and detects a change in the amount of received light in the electronic device including a remote control device that emits and outputs various optical signals from the light emission unit. The screen operation method may be switched based on a change in the amount of received light detected by the light reception detection unit by moving the remote control device in the front-rear direction. Detection of the movement of the remote control device back and forth can be performed by, for example, mounting a light emitting element having isotropic directivity on the remote control device and using the amount of received light. In this case, the amount of light does not change much even if the orientation of the remote control device changes, and changes occur only when the distance from the light receiving detector changes, so that it is possible to distinguish between changes in orientation and changes in distance.

  The electronic apparatus according to the present invention is capable of controlling the camera device, and in an electronic apparatus having a remote control device that emits and outputs various optical signals from the light emitting unit, receives the optical signal and changes the amount of received light. A light receiving detection unit for detecting, and by moving the remote control device in the left-right direction or the up-down direction, the orientation of the camera device is changed in the left-right direction or the up-down direction based on a change in the amount of received light detected by the light reception detection unit. You may comprise so that it may move to. Thus, since the orientation of the camera device can be changed by changing the orientation of the remote operation device, for example, it is more intuitive than when operating by pressing a cross key arranged on the remote operation device. The camera device can be operated. This technology can be applied not only to camera devices used in videophone systems, but also to security cameras and surveillance cameras.

  According to the present invention, it is possible to operate a device in a more intuitive and simple procedure compared to the conventional operation using a remote control device using a cross key. Therefore, even those who are not familiar with equipment, from children to the elderly, can use the advanced home appliances freely as they wish.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  Recent television receivers have become personal computers, and it is now possible to connect and recognize peripheral devices. On the other hand, it is also conceivable that a personal computer will be converted into a television and used in the living room like a current television receiver. In such a case, it is possible to display the icon of the connected device on the screen. Furthermore, when selecting and operating the device on the screen, the operation target icon is directly selected and operated. It becomes possible to operate by dragging and dropping to the previous icon.

  FIG. 1 is a block diagram showing a basic configuration of a television receiver having such a drag-and-drop function. The configuration of the television receiver according to the present embodiment is not particularly limited, but a tuner unit 32 including an antenna 31 for receiving various broadcast signals such as analog terrestrial broadcast, terrestrial digital broadcast, and satellite broadcast, The received broadcast signal is processed and the video signal is output to the monitor 34, and the audio signal is output to the speaker 35. The signal processing unit 33 that outputs the audio signal to the speaker 35, the control unit 36 that controls the entire receiver, and the remote control light from the remote control transmitter 40 A light reception detection unit 37 that receives a signal, a data storage unit 38 that stores various display data including various icons (content icons, device icons, operation icons, etc.), one or more external devices (DVD recorder, personal computer, digital It can be configured to include an external connection terminal group 39 and the like for connecting to a home appliance such as a camera or an air conditioner. Note that one terminal 39n of the external connection terminal group 39 is configured to be able to control the other party's network camera through a communication network N such as a videophone line.

  Although not shown, the control unit 36 is configured by a CPU, a ROM, a RAM, an OSD circuit, and the like. In addition, the control unit 36 causes the remote control transmitter 40 to execute an application corresponding to the dropped icon in a predetermined manner by dragging and dropping the icon displayed on the monitor screen with the pointer selected. An and drop function is provided, and a control program for realizing these functions is stored in the ROM.

  As described above, the television receiver according to the present embodiment has a function of dragging and dropping the icon displayed on the screen of the monitor 34 by the remote control transmitter 40 with the pointer selected. In this case, the drag and drop operation is performed by moving the pointer on the monitor screen up, down, left and right by moving the remote control transmitter 40 up, down, left and right.

  Here, first, the principle of the method of operating the pointer on the monitor screen by moving the remote control transmitter 40 will be described. In the present embodiment, the direction of the remote control transmitter 40 is detected based on the amount of light received from the remote control transmitter 40, and the pointer on the monitor screen is moved. However, remote control transmission is performed based on the amount of light received from the remote control transmitter 40. As a method of detecting the orientation of the machine 40, (1) a method using two elliptical LEDs having different wavelengths, (2) a method using PSD (Position Sensitive Detector), and (3) a light that is turned on by changing the direction of the LED. There is a method of detecting from the ratio of quantities. Each method will be specifically described below.

(1) Method Using Two Elliptical LEDs with Different Wavelengths FIG. 2 is an explanatory diagram for explaining the present method. The monitor 34 has a display unit 34a at the center of the front surface, and displays around it. A frame portion 34b that holds the portion 34a is provided. The light reception detector 37 is disposed (built in) on the front surface of the frame portion 34b. It is also possible to provide the light reception detection unit 37 in the display unit 34a.

  A pointer 4 as a cursor is displayed on the display surface of the display unit 34a. In the figure, the pointer 4a before moving, the pointer 4b after moving, and the movement locus 4c of the pointer 4 are conceptually shown.

  The remote control transmitter 40 emits and outputs the position detection optical signal LSp and the function control optical signal LSc and transmits them to the light reception detector 37. The light reception detection unit 37 includes a position detection light receiving element 37p that receives (detects) a position detection light signal LSp and a function control light reception element 37c that receives (detects) a function control light signal LSp. Yes. It is also possible to combine the position detection light receiving element 37p and the function control light receiving element 37c by devising a control method and a transmission method.

  When the reference axis BAX (see FIG. 2) of the remote control transmitter 40 is moved from the position of the remote control transmitter 40a indicated by the two-dot chain line to the remote control transmitter 40b indicated by the solid line as indicated by the movement locus 1c, position detection is performed. The position detecting optical signal LSp received by the light receiving element 37p changes following this movement. Since the light reception detection unit 37 detects the position detection optical signal LSp as a light reception signal, the light reception detection unit 37 can detect (output) the change of the light reception signal as a position signal by performing arithmetic processing.

  Therefore, the display position of the pointer 4 can be controlled and moved according to the detected position signal. The detection reference when detecting the movement of the reference axis BAX of the remote control transmitter 40 is shown as the X axis (horizontal movement), and the direction intersecting this is shown as the Y axis (vertical movement).

  The function control light signal LSc is emitted (transmitted) in response to a function control signal for controlling the display function of the monitor 34. The function control signal is, for example, a channel selection signal, a volume adjustment signal, a luminance adjustment signal, an on / off control signal for turning on / off a button on the monitor surface by the pointer 4 or the like. The light reception detector 37 detects (outputs) the function control optical signal LSc received by the function control light receiving element 3c as a function control signal, and controls the function of the monitor 34 in accordance with the detected function control signal.

  In this method, in addition to the function control optical signal LSC that is normally used, the light receiving signal corresponding to the position detection optical signal LSp for controlling the position of the pointer 4 is processed, and the reference axis of the remote control transmitter 40 is used. By detecting the BAX movement direction, the pointer 4 on the monitor screen can be easily moved to the desired position in synchronization with the movement direction of the reference axis BAX. Compared to a conventional remote control transmitter using button operation Thus, the position of the pointer 4 can be moved and controlled at high speed.

  3 and 4 are explanatory diagrams illustrating the principle of operation of this method. FIG. 3 is a diagram conceptually showing the remote control transmitter 40 and the light receiving detector (position detecting light receiving element) 37, and FIG. 4 is a position detecting optical signal (light receiving signal) detected by the position detecting light receiving element. 5 is a graph showing the correlation between the relative light intensity and the reference axis displacement angle as a relative light intensity vs. reference axis displacement angle characteristic. In FIG. 4, the horizontal axis represents the reference axis displacement angle θs (degrees), and the vertical axis represents the relative light intensity (%). The same parts as those in FIG.

  The first light-emitting element LEDa and the second light-emitting element LEDb that emit and output the position detection optical signal LSp are mounted on the surface of the remote control transmitter 40 that faces the light reception detection unit 37.

  1st light emitting element LEDa is arrange | positioned on 1st surface 1fa formed corresponding to the 1st direction (right direction in a figure) which cross | intersects with respect to the reference axis BAX of the remote control transmitter 40. FIG. The optical axis LAXa of the first light emitting element LEDa is mounted so as to have an inclination angle θa that is equal to or less than the half-value angle of the first light emitting element LEDa with respect to the reference axis BAX in the first direction. Note that the half-value angle indicates the directivity of the light emission intensity of the light emitting element, and is an angle at which the light intensity is half of the maximum value in the light intensity distribution characteristic. The directivity of the first light emitting element LEDa is indicated by the light intensity distribution characteristic LDAa.

  The second light emitting element LEDb is disposed on the second surface 1fb formed corresponding to the second direction (left direction in the figure) intersecting the reference axis BAX of the remote control transmitter 40. The optical axis LAXb of the second light emitting element LEDb is mounted so as to have an inclination angle θb equal to or less than the half-value angle of the second light emitting element LEDb with respect to the reference axis BAX in the second direction. The directivity of the second light emitting element LEDb is indicated by the light intensity distribution characteristic LDAb.

  In this way, the first direction and the second direction are appropriately crossed, and the optical axis LAXa and the optical axis LAXb are shifted from each other, so that the position detection optical signal LSp from the first light emitting element LEDa and the second The position detection optical signal LSp from the light emitting element LEDb can be separated and detected. In addition, the half value angle (namely, inclination | tilt angle) of 1st light emitting element LEDa and 2nd light emitting element LEDb may mutually differ.

  By configuring the first light-emitting element LEDa and the second light-emitting element LEDb with light-emitting elements (for example, semiconductor light-emitting diodes: LEDs) having mutually different emission wavelengths, the light-receiving detector 37 (position-detecting light-receiving element 37p). It is possible to more easily detect the received light signal corresponding to the position detecting optical signal LSp. Therefore, the detection accuracy can be further improved, and the position signal can be obtained with high accuracy. For example, one is a light-emitting element having an emission wavelength in the infrared region, and the other is a light-emitting element having an emission wavelength in the visible region.

  If the emission wavelengths of the first light-emitting element LEDa and the second light-emitting element LEDb are the same, the detection can be performed without degrading the detection accuracy of the position detection optical signal LSp by devising the light emission period. Can do.

  If the reference axis displacement angle θs is displaced in the plus direction in FIG. 3, the position detection optical signal LSp from the second light emitting element LEDb increases, and if the reference axis displacement angle θs is displaced in the minus direction in FIG. The position detection optical signal LSp from the one light emitting element LEDa increases.

  That is, the relative light intensity PCa is obtained from the light reception signal of the position detection light receiving element 37pa (see FIG. 6) that receives and receives the position detection light signal LSp (LSpa: see FIG. 6) from the first light emitting element LEDa. The relative light intensity PCb is obtained from the light reception signal of the position detection light receiving element 37pb (see FIG. 6) that receives and receives the position detection light signal LSp (LSpb: see FIG. 6) from the two light emitting elements LEDb. By comparing the magnitude relationship between PCa and relative light intensity PCb, the displacement of the reference axis BAX (reference axis displacement angle θs) can be known, and the displacement is output as a position signal (instruction signal). Thus, remote control becomes possible.

  Since the received light signal is obtained as an electrical signal, the relative light intensity PCa and the relative light intensity PCb can actually be detected as the magnitude of the electrical signal. That is, the position signal is obtained by comparing the magnitude of the light reception signal (output level).

  When the reference axis displacement angle θs is “0” in FIG. 4, that is, in the state shown in FIG. 3, the relative light intensity PCa from the first light emitting element LEDa detected by the position detecting light receiving element 3p and the second light intensity PCa are detected. The relative light intensity PCb from the light emitting element LEDb becomes substantially equal. In addition, the numerical value of the figure is an illustration.

  When the reference axis displacement angle θs is set to the “plus” direction, that is, when the remote control transmitter 40 is shifted to the right in FIG. 3, the relative light intensity PCa detected by the position detecting light receiving element 37pa gradually decreases. The relative light intensity PCb detected by the position detecting light receiving element 37pb gradually increases. Further, when the reference axis displacement angle θs becomes equal to the inclination angle θb of the second light emitting element LEDb, the relative light intensity PCb is the light intensity because the second light emitting element LEDb comes in front of the position detecting light receiving element 37p (37pb). It becomes maximum according to the distribution characteristic LDAb.

  When the reference axis displacement angle θs is set to the “minus” direction, that is, when the optical indicating device 1 is shifted leftward in FIG. 3, the relative light intensity PCa detected by the position detection light receiving element 3pa gradually increases. Then, the relative light intensity PCb detected by the position detecting light receiving element 37pb gradually decreases. Further, when the reference axis displacement angle θs becomes equal to the inclination angle θa of the first light emitting element LEDa, the relative light intensity PCa is the light intensity because the first light emitting element LEDa comes in front of the position detecting light receiving element 37p (37pa). It becomes the maximum according to the distribution characteristic LDAa.

  By comparing and calculating the relative relationship between the relative light intensities PCa and PCb, the indication direction (movement direction, position signal) of the reference axis BAX can be known. Therefore, the indication direction (change in indication direction) can be determined. It is possible to control the movement of the pointer 4 displayed on the display unit 34a. The relative light intensities PCa and PCb only need to be different enough to detect the difference between them, and can be appropriately corrected by a calculation process if the difference is within a predetermined range. That is, the light intensity distribution characteristic LDAa and the light intensity distribution characteristic LDAb are preferably equal, but are not limited thereto. Further, the half-value angle θa and the half-value angle θb are preferably equal to each other, but are not limited thereto.

  In FIG. 3, only one position detection light-receiving element 37p is shown. However, as described above, the position detection light-receiving element 37pa and the light-emitting element LEDb correspond to the first light-emitting element LEDa. By providing the light receiving element 37pb, it is easy to separate and detect the relative light intensity PCa and the relative light intensity PCb separately.

  3 and 4 illustrate that the position can be detected in the left-right direction, for example. By performing detection and control in the vertical direction in addition to the horizontal direction, the position of the pointer 4 on the X-axis and Y-axis plane (two-dimensional display surface) can be controlled.

  FIG. 5 is a waveform diagram showing a waveform example of a pulse signal for light emission in the remote control transmitter 40 according to the present embodiment.

  A drive unit (not shown) of the remote control transmitter 40 applies a light emission pulse signal to each of the first light emitting element LEDa and the second light emitting element LEDb. The first light emitting element LEDa and the second light emitting element LEDb emit and output position detection optical signals LSp having mutually different emission wavelengths in accordance with the light emission pulse signals, and to the light reception detection unit 37 (position detection light reception element 37p). Send.

  The light emission pulse signal includes position detection pulses Pp1, Pp2, and Pp3 and a detection start pulse Ps that occurs before the position detection pulse Pp1. By repeatedly generating a plurality of position detection pulses Pp1, Pp2, and Pp3 having the same pulse width and cycle, a stable position detection optical signal LSp can be emitted and output, so that reliable position detection is possible. Become.

  Further, a modulation carrier wave fc of about 10 kHz to 40 kHz that is normally used is superimposed on the position detection pulses Pp1, Pp2, Pp3, and the detection start pulse Ps. By superimposing the modulated carrier wave fc, it is possible to prevent a detection error due to disturbance light (noise).

  The position detection pulses Pp1, Pp2, and Pp3 each have a position detection pulse single period Tp that is the same period. The position detection pulses Pp1, Pp2, and Pp3 have a position detection pulse group period (sensing period) Tpt as a whole including these three pulses. The position detection pulse single cycle Tp is, for example, about 1 ms (milliseconds), and the period during which the position detection pulses Pp1, Pp2, and Pp3 are generated (the on-state period in the position detection pulse single cycle Tp) is detected. The half of the single pulse period Tp (about 0.5 ms). After the generation of three pulses (Pp1, Pp2, Pp3), the no-signal period Tpn corresponding to the two pulses is provided, so the position detection pulse group period (sensing period) Tpt is about 5 ms. Become.

  Before the position detection pulse group period (sensing period) Tpt, a detection start pulse Ps having a detection start pulse period Ts is generated. The detection start pulse period Ts is, for example, about 2 ms. The period during which the detection start pulse Ps is generated (the ON period in the detection start pulse period Ts) is half of the detection start pulse period Ts (about 1 ms). With the detection start pulse Ps, the detection operation of the position detection optical signal LSp in the light reception detector 37 can be started, and the controllability of the detection function can be improved.

  Since pulses with the above-mentioned period are also used for ordinary remote controllers (remote control devices that generate function control signals), no special circuit or parts are required, and they must be configured easily. Can do. In addition, since the position signal is optically transmitted and received using an electronic circuit, the pointer 4 can be moved smoothly and quickly as compared with position control by mechanical remote control.

  FIG. 6 is a block diagram illustrating a circuit configuration of the light reception detection unit 37.

  The light reception detection unit 37 detects the light intensity (amplitude value) of the received position detection optical signal LSp by the first light reception circuit 37a and the second light reception circuit 37b, and the arithmetic processing unit 37d performs arithmetic processing on the detected light intensity. Thus, the position signal is obtained, and the position signal is output to control the movement of the position of the pointer 4 displayed on the display unit 34a.

  Since the light emission wavelengths of the first light emitting element LEDa and the second light emitting element LEDb are different, the light emission output from the first light emitting element LEDa is the position detection optical signal LSpa, and the light emission output from the second light emitting element LEDb is the position. The detection optical signal LSpb is appropriately distinguished.

  The first light receiving circuit 37a receives an optical filter 37fa having a wavelength selection characteristic for selecting the position detection optical signal LSpa emitted from the first light emitting element LEDa, and the position detection optical signal LSpa that has passed through the optical filter 37fa. A position detecting light receiving element 37pa for detecting a light receiving signal (a light receiving pulse signal corresponding to a light emitting pulse signal; hereinafter, simply referred to as a light receiving signal when there is no need to specify the light receiving “pulse” signal). An amplifying circuit 371a for amplifying a light receiving signal detected by the light receiving element 37pa, a band pass filter 372a for reducing noise by passing only a predetermined frequency from the light receiving signal amplified by the amplifying circuit 371a, and a light receiving signal output from the band pass filter 372a. Amplitude value detection circuit 373 for detecting the amplitude value (light intensity, relative light intensity, output level) of It is constituted by the automatic gain control circuit (AGC) 374a for adjusting the gain of the amplifier circuit 371a.

  The second light receiving circuit 37b receives an optical filter 37fb having wavelength selection characteristics for selecting the position detection optical signal LSpb emitted from the second light emitting element LEDb, and the position detection optical signal LSpb that has passed through the optical filter 37fb. The position detection light receiving element 37pb for detecting the light reception signal (light reception pulse signal), the amplification circuit 371b for amplifying the light reception signal detected by the position detection light reception element 37pb, and passing only a predetermined frequency from the light reception signal amplified by the amplification circuit 371b. The band-pass filter 372b that reduces the noise and the amplitude value detection circuit 373b that detects the amplitude value (light intensity, relative light intensity, and output level) of the received light signal output from the band-pass filter 372b is amplified by the amplification circuit 371b. An automatic gain control circuit (AGC) 374b for adjusting the rate is configured.

  The position detection light-receiving element 37pa and the position detection light-receiving element 37pb can be configured by, for example, a photodiode or a phototransistor. Since the optical filter 37fa and the optical filter 37fb are used, elements having the same specifications can be used. In addition, it is also possible to give wavelength selection characteristics to the position detecting light receiving element 3pa and the position detecting light receiving element 3pb itself without using the optical filter 37fa and the optical filter 37fb.

  Since the optical filter 37fa and the optical filter 37fb have wavelength selection characteristics, the position detection optical signal LSp in the infrared light region and the position detection optical signal LSp in the visible light region are surely separated to obtain individual data. Detect as (light reception signal, light reception pulse signal). For example, if the emission wavelength region of the first light-emitting element LEDa is an infrared light region, the optical filter 37fa has a wavelength selection characteristic that allows the wavelength of the infrared light region to pass, and an optical signal for position detection in the infrared light region. If LSpa is detected and the light emission wavelength region of the second light emitting element LEDb is the visible light region, the optical filter 37fa has a wavelength selection characteristic that allows the wavelength in the visible light region to pass through, and a position detection optical signal in the visible light region. The configuration is such that LSpb is detected.

  The automatic gain control circuits 374a and 374b detect the maximum value of the amplitude value of the light reception signal output from the bandpass filters 372a and 372b, and the amplification circuit 371a and 371b saturate the amplitude value (the maximum value) of the light reception signal. Adjust the gain so that it does not. Since the amplitude value (the maximum value thereof) does not saturate, it is possible to obtain a light receiving signal (light receiving signal level) with high detection accuracy and high stability and reliability.

  In particular, the amplification factor is adjusted by detecting the amplitude value (maximum value) of the received light pulse signal detected corresponding to the detection start pulse Ps in the detection start pulse cycle Ts and adjusting the amplification factor. Can be done quickly. It is also possible to separately generate a gain adjustment pulse signal (not shown), emit a corresponding light emission pulse signal, and detect and adjust the amplitude value of the corresponding light reception pulse signal.

  The calculation processing unit 37d appropriately calculates the amplitude value (light intensity) of the received light signal detected by each of the amplitude value detection circuits 33a and 33b to obtain a position signal, and the calculation processing unit 37d sends the position signal ( The position of the pointer 4 can be controlled by outputting it as a position control signal. The arithmetic processing unit 37d can be configured by a commonly used CPU or the like.

  Arithmetic processing in the arithmetic processing unit 37d includes an operation for obtaining a difference between an amplitude value of the received light signal obtained by the first light receiving circuit 30a and an amplitude value of the received light signal obtained by the second light receiving circuit 30b, an operation for obtaining a ratio, or The calculation can be performed by a combination of the difference and the ratio.

  The light reception detection unit 37 further receives a function control optical signal emitted from the third light emitting element LEDc in response to a function control signal for controlling the function of the monitor 34 (display unit 34a). (Not shown). The third light receiving circuit outputs the received function control optical signal as a function control signal by well-known signal conversion, and controls the function of the monitor 34 (display unit 34a) using the arithmetic processing unit 37d and the like. The third light receiving circuit can receive the function control light signal by the function control light receiving element 37c (see FIG. 2).

(2) Method Using PSD (Position Sensitive Detector) FIG. 7 is an explanatory view showing a remote control transmitter 40 and a monitor 34 for explaining this method, and FIG. 8 is a front view showing an arrangement of light receiving elements. FIG. 9 is a block diagram on the light receiving unit side, and FIG. 10 is a cross-sectional view showing the principle of PSD detection.

  A remote control transmitter 40 shown in FIG. 7 is a pointing device as an optical operation device including a light emitting element 21 that emits infrared light, for example, and the monitor 34 is provided with a PSD 51 as a light receiving element.

  As shown in FIG. 10, the PSD 51 is formed by forming a P-layer on the surface of a flat silicon, an N-layer on the back surface, and an I-layer in the middle. The generated charge passes through the resistance layer (P layer) as a photocurrent and is divided and output as currents Ia and Ib from the electrodes 52a and 52b provided at both ends of the PSD 51. ing.

  Since the P layer is configured to have a uniform resistance value on the entire surface, the currents Ia and Ib are divided and output at a distance inversely proportional to the distance from the incident position to the electrodes 52a and 52b, that is, the resistance value. . Here, when the distance between the electrodes 52a and 52b (the length of the effective light receiving portion) is 2y and the position where the light L is incident is the distance x from the center O of the PSD 51, the following relational expression is established.

(Ib-Ia) / (Ia + Ib) = x / y (1)
Therefore, the incident position x of the incident light L can be obtained by obtaining the difference and sum of the currents Ia and Ib from the equation (1).

  As shown in FIG. 11, a shielding wall 13 having a slit 6 is provided in front of the PSD 51. By providing the shielding wall 13 in front of the PSD 51, the light L passing through the slit 6 becomes a spot and the direction can be limited. When the light emitting point H of the light emitting element moves, the light receiving position of the light L that has passed through the slit 6 on the PSD 51 also moves. Therefore, if the change in the light receiving position on the PSD 51 is detected, the change in the light emitting point H can also be detected. A lens may be used in place of the shielding wall 13 having the slit 6.

  By preparing two PSDs 51 in the horizontal and vertical directions in a plane parallel to the display unit 34a of the monitor 34, the two-dimensional movement of the light emitting point H can be detected. If the light emission point H is moved by reflecting the movement of the light receiving position on the movement of the pointer 4 as a mark shown on the display section 34a of the monitor 34, the pointer 4 on the display section 34a is moved in an arbitrary direction. be able to. For example, as shown in FIG. 8A, the PSD 51 is a rectangular two-dimensional PSD 51 provided with horizontal electrodes 52a and 52b and vertical electrodes 52c and 52d. Further, as shown in FIG. 8B, the PSD 51 is configured such that a strip-shaped PSD 51A disposed in the horizontal direction and a strip-shaped PSD 51B disposed in the vertical direction are disposed at right angles.

  Next, an example of the light receiving detector 37 provided on the monitor 34 side will be described with reference to the block diagram shown in FIG. In FIG. 9, the PSD 51 is illustrated as being divided into PSD 51A and PSD 51B for convenience, but includes the single PSD shown in FIG.

  The received light detection unit 37 includes the PSDs 51 </ b> A and 51 </ b> B, a processing circuit 53, and a control device 57. The processing circuit 53 includes an electronic device in which an amplifier 531, a limiter 532, and a band pass filter 533 are integrated on a semiconductor chip. The light L that has passed through the slit 6 of the shielding wall 13 and entered the PSDs 51A and 51B is photoelectrically converted, and the currents Ia, Ib, Ic, Divided and output as Id. The output currents are respectively amplified by the amplifier 531, shaped by the limiter 532, output as a control signal of only a predetermined frequency by the band pass filter 533, and the control signal is transmitted to the control device 57.

  In this way, by processing the signal in the processing circuit 53, the pointer 51 and the normal remote control code signal (for example, when controlling a television receiver) Control signals such as / off, volume up / down, and channel switching are included).

  The remote control transmitter 40 is provided with a movement button 15 as mode switching means. For normal remote control operations such as selecting a channel or adjusting the sound volume, the current response speed is sufficient, but when moving the pointer 4, the remote control code has a direct operational feeling. I can't get it. Therefore, when the pointer 4 is moved, the movement button 15 is pressed, and at the same time, a pointer moving signal with a modulation faster than the code signal of the remote controller is sent from the light emitting element 21. By doing so, the transmission time as much as the code of the remote control can be made unnecessary, and the movement of the remote control transmitter 40 can be directly reflected in the movement of the pointer 4.

  The light receiving detection unit 37 is provided with distance detecting means 12 (see FIG. 9) for detecting the distance between the monitor 34 side and the remote control transmitter 40 side (light emitting element and light receiving element). Specifically, since the slit 6 of the shielding wall 13 provided in front of the PSD 51 limits the direction of the incident light L, when the light emitting point H moves, the light receiving position on the PSD 51 of the light passing through the slit is also changed. Move (see FIG. 11). Therefore, if the change in the light receiving position on the PSD 51 is detected, the change in the light emitting point H can also be detected. Although the movement of the light emission point H is detected by the PSD 51, the triangle formed by the movement range of the light emission point H and the slit position is similar to the triangle formed by the light reception range and the slit position on the PSD 51.

  Accordingly, when the movement amount α of the light emitting point H is the same, the light receiving position moving range β1 on the PSD 51 becomes large when the light emitting point H and the slit 6 position (= screen position) are close (see FIG. 12A). On the contrary, when the light emitting point H and the slit 6 are far from each other, the moving range of the light receiving position β2 on the PSD 51 becomes small (see FIG. 12B). Normally, the pointer 4 on the screen is moved by an amount proportional to the amount of movement of the light receiving position on the PSD 51. Therefore, if the distance between the display unit 34a and the light emitting point H is different, the pointer 4 is displayed on the display unit 34a. In order to move the same distance above, the amount of movement of the light emission point H changes. Or even if the movement amount of the light emitting point H is the same, the movement amount of the pointer 4 varies depending on the distance from the display unit 34a.

  Such behavior is by no means easy to use. In order to solve this, it is necessary to detect the distance between the PSD 51 (display unit 34a) and the light emission point H, and to correct and adjust the pointer movement amount based on the distance. For example, when the movable distance of the light emitting point H with respect to the PSD 51 is 0.5 m to 5 m, the resolution of the PSD 51 at a distance of 5 m is the minimum resolution, which is 1/10 of the PSD resolution at a distance of 0.5 m. Therefore, when the distance is 0.5 m, the pointer 4 may be moved by one unit when the light receiving position is moved by 10 times the minimum resolution on psd.

  As described above, the output of the PSD 51 is a current flowing through the two electrodes. When the PSD 51 normally detects the amount of movement of the light emission point H, the difference between the output currents is divided by the sum of the output currents to obtain the total received light amount. Not to depend on. This method detects the distance between the light emitting point H and the PSD 51 by using the fact that the sum of the output currents is small when the distance between the PSD 51 and the light emitting point H is long and the sum of the output currents is large when the distance is close. Therefore, the distance detecting means 12 is provided. The distance detection means 12 detects the distance based on the sum value of output currents. The distance information is transmitted to the control device 57, and the control device 47 determines that the remote control transmitter 40 is connected to the monitor 34 regardless of the distance between the light emitting point H and the display unit 34 a based on the transmitted distance information. Even if it is arbitrarily separated, the movement amount is corrected and adjusted so that the pointer 4 moves by a predetermined amount corresponding to the movement amount of the light emitting point H.

(3) Method of detecting lighting from the ratio of received light by changing the direction of the LED The explanatory diagram for explaining this method is the same as the explanatory diagram shown in FIG. 2 used in the method (1) above. Therefore, description of the contents of the explanatory diagram shown in FIG. 2 is omitted here.

  FIG. 13 to FIG. 17 are explanatory diagrams for explaining modes of displacement positions of the remote control transmitter 40 (light emitting element for position detection) according to this method.

  FIG. 13 is an explanatory diagram showing a case where the reference axis BAX of the remote control transmitter 40 and the optical axis LAX of the light-emitting element 16 for position detection coincide (the optical axis of the light-emitting element 16 is at the neutral point position Dn). FIG. 6A is a front view showing the main part of the remote control transmitter 40 as viewed from the side of the light receiving detector 37 (light receiving element 37p) (that is, viewed from the front), and FIG. It is a side perspective drawing which shows the principal part by the arrow XX of the same figure (a). Note that, in (b), the light reception detection unit 37 (position detection light-receiving element 37p) is described with reference.

  The reference axis BAX of the remote control transmitter 40 is normally directed from the remote control transmitter 40 (center of the light emitting element 16) to the light receiving detection unit 37 (position detecting light receiving element 37p). When the position control of the pointer 4 is performed, the reference axis displacement angle is set to the left and right and up and down with respect to the center of the position detecting light-receiving element 37p in accordance with the control (movement direction, movement amount) of the pointer 4 to be moved. The position detection optical signal LSp is emitted and output from the light emitting element 16 while being appropriately displaced as θs. The reference axis BAX is an imaginary line (indicated direction) formed by the remote control transmitter 40 when the optical indicating device 1 (light emitting element 16) is directly opposed to the light receiving detector 37.

  Since the position detection light signal LSp (that is, the light reception signal) received by the position detection light receiving element 37p changes according to the displacement of the reference axis BAX (reference axis displacement angle θs), the position detection light receiving element 37p A light reception signal to be received and detected is detected and appropriately processed to obtain a position signal (position control signal), and movement control of the pointer 4 is performed.

  The light emitting element 16 is disposed in the central mechanism portion 40m on the front surface (the surface facing the light reception detection portion 37) of the remote control transmitter 40. The light emitting element 16 includes, for example, a light emitting diode (LED) chip 16b placed on the substrate portion 16a and a convex lens-shaped resin lens portion 16c covering the surface. An optical axis control unit 6 that controls the optical axis direction of the light emitting element 16 is connected to the substrate portion 16 a of the light emitting element 16.

  The optical axis controller 6 can mechanically control the displacement direction (displacement position) of the optical axis LAX of the light emitting element 16 around the displacement center Pr (examples of control are shown in FIGS. 14 to 17). As described above, for example, mechanical parts such as appropriate gears and annular rails are combined. When a rotating body such as an annular rail is used, the optical axis LAX can be displaced in an inverted conical shape centered on the reference axis BAX. In addition, when a mechanical component such as a rotating body is used, the displacement position of the optical axis LAX can be controlled relatively easily. It is also possible to use a reflector (not shown) that rotates (inclines) about the reference axis BAX (displacement center Pr) to displace the optical axis LAX.

  The light emitting element 16 has a light emission intensity distribution characteristic LDC. A device having appropriate light intensity and directivity can be selected according to the situation of the usage environment (for example, the distance between the remote control transmitter 40 and the monitor 34, etc.).

  It is preferable that the light emitting element 16 emits light with an emission wavelength in the infrared light region. By setting the emission wavelength in the infrared light region, the influence of disturbance light (noise) can be eliminated, so that the detection accuracy can be improved.

  In FIG. 14, the light emitting element 16 is displaced so that the optical axis LAX of the light emitting element 16 becomes the inclination angle θd1 in the horizontal and leftward direction (displacement position D1) when viewed from the front with respect to the reference axis BAX of the optical indicating device 1. FIG. 4A is a front view of the remote control transmitter 40 as viewed from the side of the light receiving detector 37 (light receiving element 37p) (that is, viewed from the front), and FIG. These are the principal part perspective views in arrow XX (corresponding to the horizontal direction (1st direction) of remote control transmitter 40) of the figure (a). It should be noted that the position detecting light receiving element 37p is described with reference. Further, “displacement of the light emitting element 16” is substantially synonymous with “displacement of the optical axis LAX of the light emitting element 16”.

  The displacement position D1 (inclination angle θd1) can be realized by appropriately rotating the light emitting element 16 around the displacement center Pr by the optical axis controller 6. In order to improve the detection accuracy, the inclination angle θd1 is preferably equal to or less than the half-value angle θh. Note that the half-value angle θh indicates the directivity of the light emission intensity of the light emitting element, and is an angle from the optical axis at the point where the light intensity becomes half of the maximum value in the light intensity distribution characteristic. That is, by setting the half-value angle θh or less, the position detecting optical signal LSp with good directivity can be obtained, so that the light receiving detection unit 37 (position detecting light receiving element 37p) can perform reliable light receiving input with high accuracy. Since the position detection optical signal can be detected, accurate remote control can be realized.

  FIG. 15 shows a case where the light emitting element 16 is displaced so that the optical axis LAX of the light emitting element 16 becomes the inclination angle θd2 in the vertical direction (upward direction) (displacement position D2) when viewed from the front with respect to the reference axis BAX of the remote control transmitter 40. FIG. 4A is a front view of the remote control transmitter 40 as viewed from the side of the light receiving detector 37 (light receiving element 37p) (ie, viewed from the front), and FIG. FIG. 8B is a perspective view of a main part in the arrow Y-Y (corresponding to the vertical direction of the remote control transmitter 40 (second direction perpendicular to the first direction) in FIG. It should be noted that the position detecting light receiving element 37p is described with reference.

  The displacement position D2 (inclination angle θd2) can be realized by appropriately rotating the light emitting element 16 around the displacement center Pr by the optical axis control unit 6. The inclination angle θd2 is preferably equal to or less than the half-value angle θh in order to improve detection accuracy.

  FIG. 16 shows a case where the light emitting element 16 is displaced so that the optical axis LAX of the light emitting element 16 becomes the inclination angle θd3 in the horizontal and rightward direction (displacement position D3) when viewed from the front with respect to the reference axis BAX of the remote control transmitter 40. FIG. 4A is a front view of the remote control transmitter 40 as viewed from the side of the light receiving detector 37 (light receiving element 37p) (ie, viewed from the front), and FIG. It is a principal part perspective view in the arrow XX of the same figure (a). It should be noted that the position detecting light receiving element 37p is described with reference.

  The displacement position D3 (inclination angle θd3) can be realized by appropriately rotating the light emitting element 16 around the displacement center Pr by the optical axis controller 6. In order to improve the detection accuracy, the inclination angle θd3 is preferably equal to or less than the half-value angle θh. In order to facilitate control of the optical axis LAX and improve detection accuracy, the displacement position D3 is preferably provided at a position symmetrical to the displacement position D1 around the reference axis BAX.

  In FIG. 17, the light emitting element is displaced so that the optical axis LAX of the light emitting element 16 becomes the inclination angle θd4 in the vertical direction and the downward direction (displacement position D4) in front view with respect to the reference axis BAX of the optical indicating device 1. FIG. 4A is a front view of the remote control transmitter 40 as viewed from the side of the light receiving detector 37 (light receiving element 37p) (that is, viewed from the front), and FIG. These are the principal part perspective views in the arrow YY of the figure (a). It should be noted that the position detecting light receiving element 37p is described with reference.

  The displacement position D4 (inclination angle θd4) can be realized by appropriately rotating the light emitting element 16 around the displacement center Pr by the optical axis control unit 6. In order to improve the detection accuracy, the inclination angle θd4 is preferably equal to or less than the half-value angle θh. In order to facilitate control of the optical axis LAX and improve detection accuracy, the displacement position D4 is preferably provided at a position symmetrical to the displacement position D2 around the reference axis BAX.

  As shown in FIGS. 14 to 17, by setting the displacement positions to four positions, two-dimensional position detection can be performed, so that reliable position control is possible. Further, it is preferable to displace the displacement positions D1 to D4 (inclination angles θd1 to θd4) so as to be symmetrical with respect to the reference axis BAX in order to improve detection accuracy and simplify the arithmetic processing. In addition, although the displacement position was made into four places, it is not restricted to this. Increasing the displacement position can further improve the detection accuracy.

  By controlling the optical axis LAX of the light emitting element 16 by the mechanism operation of the optical axis control unit 6, the control mechanism can be simplified by rotating the displacement position D1, the displacement position D2, the displacement position D3, and the displacement position D4. .

  FIG. 18 is an explanatory diagram for explaining the principle of detecting the reference axis displacement angle according to the present method. The relative light intensity of the position detection light signal (light reception signal) detected by the position detection light receiving element and the reference It is a graph which shows the correlation with an axial displacement angle as a relative light intensity versus a reference axial displacement angle characteristic. In the figure, the horizontal axis is the reference axis displacement angle θs (degrees), and the vertical axis is the relative light intensity (%). For simplicity, it is assumed that the inclination angles θd1, θd2, θd3, and θd4 are equal to the half-value angle θh of the light-emitting element 5, and the half-value angle θh is 30 degrees.

  When the optical axis LAX of the light emitting element 16 is controlled (displaced) to the displacement position D1 by the optical axis control unit 6 (see FIG. 14), the relative light intensity versus the reference axis displacement angle characteristic is as shown by a curve CD1. Become.

  That is, when the reference axis displacement angle θs is “0 degree”, the relative light intensity of the light reception signal detected by the position detection light receiving element 37p (the amount of light received with respect to the position detection light signal LSp from the light emitting element 16) is 50. %. When the reference axis displacement angle θs is displaced from “0 degree” to the “plus” direction, that is, when the remote control transmitter 40 is displaced in the plus direction, the optical axis LAX approaches the front direction of the position detecting light receiving element 37p. Therefore, the relative light intensity gradually increases. When the reference axis displacement angle θs is displaced in the direction of “30 degrees” (half-value angle θh), the optical axis LAX is positioned in the front direction of the position detection light-receiving element 37p, so that the relative light intensity is the maximum value (100%). ) Further, when the reference axis displacement angle θs is displaced from “0 degree” to the “minus” direction, that is, when the remote control transmitter 40 is displaced in the minus direction, the optical axis LAX is further away from the front direction of the position detecting light receiving element 37p. Therefore, the relative light intensity gradually decreases and attenuates.

  Further, in a state where the optical axis LAX of the light emitting element 16 is controlled (displaced) to the displacement position D3 by the optical axis control unit 6 (see FIG. 16), the relative light intensity versus the reference axis displacement angle characteristic is represented by a curve CD3. It becomes like this.

  That is, when the reference axis displacement angle θs is “0 degree”, the relative light intensity of the light reception signal detected by the position detection light receiving element 37p (the amount of light received with respect to the position detection light signal LSp from the light emitting element 16) is 50. %. Further, when the reference axis displacement angle θs is displaced from “0 degree” to the “minus” direction, that is, when the remote control transmitter 40 is displaced in the minus direction, the optical axis LAX approaches the front direction of the position detecting light receiving element 37p. Therefore, the relative light intensity gradually increases. When the reference axis displacement angle θs is displaced in the direction of minus “30 degrees” (half-value angle θh), the optical axis LAX is positioned in the front direction of the position detection light-receiving element 37p, so that the relative light intensity is the maximum value (100 %). Further, when the reference axis displacement angle θs is displaced from “0 degree” to the “plus” direction, that is, when the remote control transmitter 40 is displaced in the plus direction, the optical axis LAX is further away from the front direction of the position detecting light receiving element 37p. Therefore, the relative light intensity gradually decreases and attenuates.

  As can be seen from the above relative light intensity vs. reference axis displacement angle characteristics, the detected relative light intensity differs depending on the displacement position (D1 to D4) of the optical axis LAX and the displacement state of the reference axis displacement angle θs. If at least two positions of the displacement of the optical axis LAX are symmetrical, one-dimensional detection can be performed. If at least four places are symmetrical, two-dimensional detection can be performed.

  Accordingly, the relative light intensity vs. reference axis displacement angle characteristic is obtained in advance, and the position detection optical signal LSp is made to correspond (synchronize) with the displacement position (for example, displacement positions D1, D2, D3, D4) of the light emitting element 16. Measure the relative light intensity received and input to the position detecting light receiving element 37p in synchronization with the light emission output, and calculate using the measured relative light intensity difference, ratio, or difference and ratio. Thus, the displacement state (displacement direction and reference axis displacement angle θs) of the remote control transmitter 40 (reference axis displacement angle θs) can be grasped.

  For example, when the reference axis displacement angle θs is displaced by 30 degrees in the horizontal and rightward directions, the relative light intensity is detected as 100% when the light emitting element 16 is in the displacement position D1, and the light emitting element 16 is displaced. In the state of D3, the relative light intensity is detected as 6%. Difference of relative light intensity (relative light intensity 100 at displacement position D1−relative light intensity 6 = 94 (%) at displacement position D3), ratio (relative light intensity 100 at displacement position D1 / displacement position) By calculating the relative light intensity 6 at D3 = approximately 16.7) or the difference and the ratio, it is possible to grasp the displacement state of the reference axis displacement angle θs that is associated in advance. That is, here, it can be detected that “the reference axis BAX is displaced 30 degrees in the horizontal and rightward directions”.

  In the above-described example, the case of the horizontal direction has been described, but it goes without saying that the reference axis displacement angle θs can be similarly obtained in the vertical direction. Needless to say, the displacement state of the reference axis displacement angle θs can be obtained similarly in the case of displacement in both horizontal and vertical directions (displacement in all four directions).

  That is, the remote control device sequentially displaces the light emitting element 16 to a predetermined displacement position (for example, displacement positions D1, D2, D3, and D4) of the remote control transmitter 40, and emits a light emission signal (for example, to the light emitting element 16 at each displacement position). In the case of an LED, a current signal) is supplied to emit and output a position detection light signal LSp, and light reception signals (relative light intensity output levels) received and received by the position detection light receiving element 37p of the light receiving device 3 are sequentially supplied. By detecting and appropriately calculating the detected light reception signal, the displacement state (displacement direction and reference axis displacement angle θs) of the reference axis displacement angle θs is detected.

  In addition, the detection of the light reception signal corresponding to each displacement position can be easily performed by specifying the order of displacement of the predetermined displacement positions D1, D2, D3, and D4 in advance. Further, the displacement position (main displacement direction) having the maximum reference axis displacement angle θs can be identified from the graph in which the relative light intensity is maximized by the light reception signal corresponding to each displacement position.

  Therefore, the electronic apparatus of the present invention obtains the reference axis displacement angle θs in both the horizontal direction (first direction) and the vertical direction (second direction perpendicular to the first direction) (XY directions on the plane coordinates). Can do. The displacement state (displacement direction and reference axis displacement angle θs) of the reference axis displacement angle θs directly represents the position signal (movement direction and amount of movement) of the remote control transmitter 40 and can be made to correspond to the position signal of the pointer 4. By processing the reference axis displacement angle θs (change in the reference axis displacement angle θs) as an instruction signal (movement direction and movement amount) for the pointer 4 by a microcomputer (CPU: central processing unit), the display surface of the pointer 4 is displayed. The movement (moving direction and moving amount) on the plane can be controlled.

  This completes the principle description of the method of operating the pointer on the monitor screen by moving the remote control transmitter 40. Next, using this principle, the pointer on the monitor screen is actually moved to the remote control transmitter. A specific example of the processing operation moved by 40 will be described.

[Specific Example 1]
As a relationship between how to move the remote control transmitter 40 and the movement of the pointer, the pointer is moved in the direction of the predetermined minimum moving unit by swinging back the remote control transmitter 40 once. it can. FIG. 19 is a diagram for easily explaining the relationship between the swing operation of the remote control transmitter 40 and the movement of the pointer. However, it is assumed that the remote control transmitter 40 is provided with a start button 401.

  That is, as shown in FIG. 19A, the remote control transmitter 40 is pointed at the monitor and the start button 401 is pressed once (or pressed once and released). As a result, the color of the pointer 4 on the monitor screen changes as shown in FIG. Thereafter, when the user swings the remote control transmitter 40 once, for example, to the right and swings it back to the left again, the control unit 36 changes the direction of starting the swing (right direction) to the movement direction of the pointer 4. When the change point from the right direction to the left direction is detected, the pointer 4 is moved rightward by the minimum movement unit as shown in FIG. On the contrary, when the user swings the remote control transmitter 40 leftward and swings it back once again so as to swing rightward, the control unit 36 moves the pointer 4 in the swing start direction (leftward). When the direction is determined and a change point from the left direction to the right direction is detected, the pointer 4 is moved to the left by the minimum movement unit as shown in FIG.

  Therefore, the user can freely determine the amount of movement of the pointer 4 by performing such a swing-back operation of the remote control transmitter 40 a predetermined number of times. That is, the amount of movement of the pointer 4 can be determined according to the number of turning-back change points of the remote control transmitter 40. FIG. 20 is an explanatory diagram conceptually showing a method for determining the direction and amount of movement of the pointer for the swing-back operation of the remote control transmitter 40 at this time.

  As a result, the swing direction and the number of swings of the remote control transmitter 40 and the movement direction and the number of movements (movement distance) of the pointer 4 on the monitor screen coincide with each other, so that the user intuitively operates the pointer while viewing the monitor screen. It becomes possible to do.

[Specific Example 2]
In addition to the first specific example, the relationship between how the remote control transmitter 40 is moved and the movement of the pointer is not limited to the specific example 1 described above. The pointer can be continuously moved in the tilted direction. FIG. 21 is a diagram for easily explaining the relationship between the swing operation of the remote control transmitter 40 and the movement of the pointer. However, it is assumed that the remote control transmitter 40 is provided with a start button 401.

  That is, as shown in FIG. 21A, the start button 401 is pressed once (or pressed once and released) with the remote control transmitter 40 directed to the monitor screen (facing it directly). As a result, the color of the pointer 4 on the monitor screen changes as shown in FIG. Thereafter, the user holds the remote control transmitter 40 for a certain time (for example, 0.5 seconds) with the remote control transmitter 40 tilted, for example, in the right direction from the directly facing position. As a result, the control unit 36 determines that the tilt direction (right direction) is the moving direction, and confirms that the state has passed for a certain period of time. Then, as shown in FIG. Move continuously. In order to stop the movement, the tilt of the remote control transmitter 40 may be returned to the original position so that the remote control transmitter 40 faces the monitor screen. On the other hand, the user holds the remote control transmitter 40 for a certain period of time (for example, 0.5 seconds) with the remote control transmitter 40 tilted leftward from the facing position. As a result, the control unit 36 determines that the tilt direction (left direction) is the moving direction, and confirms that the state has passed for a certain period of time. Then, as shown in FIG. Move continuously. In order to stop the movement, the tilt of the remote control transmitter 40 may be returned to the original position so that the remote control transmitter 40 faces the monitor screen. If the pointer 4 is to be moved up and down, the remote control transmitter 40 may be tilted upward or downward in the same manner. Thereby, the operability when the moving distance of the pointer is long can be improved. Further, the user can intuitively operate the pointer while watching the monitor screen.

  In the present embodiment, by using such a pointer operation method, the pointer on the monitor screen at a distant position is moved quickly and intuitively by an arbitrary movement in the space of the remote control transmitter 40, whereby Various operations described in the above are easily realized. Hereinafter, an example is given and demonstrated.

  In the first embodiment, the remote controller transmitter 40 is moved in a desired direction toward the monitor screen, the pointer on the monitor screen is moved, and the processing operation of the device is executed by drag and drop. Hereinafter, a description will be given with reference to FIG.

  As shown in FIG. 22, device icons 61 such as a television, a HDD built-in DVD recorder, a personal computer, and a video camera are arranged on the monitor screen, and content icons 62 such as analog terrestrial broadcasting, terrestrial digital broadcasting, and satellite broadcasting are arranged. Place. Then, by dragging and dropping an arbitrary content icon 62 to an arbitrary device icon 61, an application corresponding to the dropped icon is executed in a predetermined manner. As a drag-and-drop method, for example, a remote control transmitter 40 is provided with a drag button (not shown), the pointer is moved onto a desired icon, and this drag button is pressed. Then, if the remote control transmitter 40 itself is shaken and moved in a desired direction while pressing this, a drag operation is performed, and when the drag button is released on a predetermined icon, the drag and drop may be completed.

  For example, in order to copy the content in the HDD of the DVD recorder to a personal computer, the HDD icon 61a of the DVD recorder may be dragged and dropped onto the personal computer icon 61b by the above operation. Thereby, the information in the HDD is copied to the memory in the personal computer. That is, when the operation content is uniquely limited by the relationship between the dragged icon and the dropped icon, the operation is started immediately after the drop is completed.

  On the other hand, when there are a plurality of operation contents due to the relationship between the dragged icon and the dropped icon, the following may be performed. For example, when the satellite broadcast icon 62a is dragged and dropped onto the television icon 61c, a list of satellite broadcast channels 62a1 is displayed on the monitor screen. What is necessary is just to comprise so that a broadcast may be received. That is, only when a plurality of operations are predicted, a menu for selecting an operation (channel list in the above case) may be displayed and the user may select from the menu.

  In the second embodiment, the remote controller transmitter 40 is moved in the desired direction toward the monitor screen, and the processing operation of the device is executed by moving the pointer on the monitor screen to the setting field and dragging and dropping. It is an example. Note that the drag-and-drop method can be performed by pressing a drag button as in the first embodiment. Hereinafter, a description will be given with reference to FIG.

  As shown in FIG. 23, device icons 61 such as a television, a HDD built-in DVD recorder, a personal computer, and a video camera are arranged on the monitor screen, and content icons such as analog terrestrial broadcasting, terrestrial digital broadcasting, and satellite broadcasting are arranged. 62, operation icons 63 for reproduction, recording, reservation, etc. are arranged, and further, setting fields 64 of a content column 64a, a device column 64b, and an operation column 64c are arranged on the monitor screen. Then, an arbitrary content icon 62 is dragged and dropped onto the content column 64a, then an arbitrary device icon 61 is dragged and dropped onto the device column 64b, and finally an arbitrary operation icon 63 is dragged and dropped onto the operation column 64c. Thus, a predetermined application is executed according to the content of the icon dropped in each of the columns 64a to 64c.

  For example, the terrestrial digital broadcast icon 62b is dragged and dropped onto the content column 64a, the HDD icon 61a of the HDD built-in DVD recorder is dragged and dropped onto the device column 64b, and the recording icon 63a is dragged onto the operation column 64c. By dropping, for example, a process of automatically recording, for example, a terrestrial digital 4CH program currently being received on the HDD of the HDD built-in DVD recorder is executed. The content may be a future TV channel, a program already recorded, a video recorded on a video tape, a shortcut icon on a homepage, or the like. In addition, regarding the operation, there may be an operation that is automatically determined at the time of selection depending on the relationship between the content and the device.

  In FIG. 24, by swinging the remote control transmitter 40 in a desired direction toward the monitor screen, the pointer on the monitor screen is moved to a desired icon and selected, and the processing operation is executed according to the selection operation. This is an example.

  As shown in FIG. 24, device icons 61 such as a TV, a HDD built-in DVD recorder, a personal computer, and a video camera are arranged on the monitor screen, and content icons such as analog terrestrial broadcasting, terrestrial digital broadcasting, and satellite broadcasting are arranged. 62, operation icons 63 for reproduction, recording, reservation, and the like are arranged, and further, setting columns for a content column 64a, a device column 64b, and an operation column 64c are arranged on the monitor screen. Then, the pointer is moved and selected on an arbitrary content icon 62, then the pointer is moved and selected on an arbitrary device icon 61, and the pointer is moved and selected on an arbitrary operation icon 63. The icons are set in the columns 64a to 64c, and a predetermined application is executed in accordance with the contents of the set icons.

  For example, if a remote control transmitter 40 is provided with a selection button (not shown), the pointer is moved to the terrestrial digital broadcast icon 62b and the selection button is pressed, the "terrestrial digital" “4CH program” is set, then when the pointer is moved to the HDD icon 61a of the HDD built-in DVD recorder and the selection button is pressed, “DVD recorder HDD” is set in the device column 64b, and then recording is performed. When the pointer is moved to the icon 63a and the selection button is pressed, “recording” is set in the operation column 64c. Thereby, according to the contents of the icons set in the respective columns 64a to 64c, a process of automatically recording the terrestrial digital 4CH program on the HDD of the HDD built-in DVD recorder is executed.

  In the fourth embodiment, one or more home appliance icons are displayed on the monitor screen, and when any home appliance icon is selected from the icons, the installation position is displayed on the floor plan of the monitor screen. It is an Example which selects the household appliance icon which is displayed and wants to operate from it. Hereinafter, a description will be given with reference to FIG.

  Regarding communication, multiple devices that will exist in the future, such as lighting, air conditioners, televisions, windows and doors, are connected via DLAN (Digital Living Network Alliance) or power line communications, and they can be remotely operated using the television as a monitor. It is expected that In this case, when selecting a specific home appliance to be operated, it is easiest to confirm the position on the actual floor plan. If you try to specify it by any other method, you will not be able to specify the operation target unless you explain the installation location and equipment, such as “west window on the second floor south child room” or “stand on the bed next to the second floor south bedroom”. It's not intuitive and difficult to understand. In the fourth embodiment, such an operation can be performed intuitively. In this case, the floor plan may be provided by, for example, a house maker, or may be created by oneself. Further, the arrangement setting of the device connection port and the address setting may be performed by a contractor requesting construction of a home network.

  As shown in FIG. 25 (a), for example, when a desired home appliance is selected from a plurality of home appliances displayed on the right side corner of the monitor screen, a floor plan is displayed on the left side of the same monitor screen. On the floor plan, the installation location of the home appliance (the black portion in the figure) is displayed. Therefore, when the user moves the pointer 4 from the home appliances displayed on the floor plan to the location where the desired home appliance is installed, the monitor screen is displayed as shown in FIG. Since the operation screen of the selected home appliance is displayed, the user may sequentially set the operation content according to the operation screen.

  FIG. 26 is an explanatory diagram for explaining the processing operation of the fifth embodiment. In the fifth embodiment, the remote control transmitter 40 is provided with a lever 402 that can be tilted in the front-rear direction and pushed right below, and the center of enlargement is specified by pushing the lever 402 right down, and then the lever 402 is pushed. The screen display is configured to be enlarged or reduced by tilting forward or backward. With such a configuration, for example, as shown in FIG. 26 (a), when a fine character is seen or when the character is small and difficult to see, the lever 402 of the remote control transmitter 40 is pushed down to specify the enlargement center. In this state, for example, by tilting the lever 402 forward (upward in the drawing), it is possible to enlarge a necessary area and make it easier to see the characters as shown on the right side in FIG. In addition, when viewing a personal computer's Web screen on a television, there are sentences written in small characters, so that the necessary area can be expanded even in such a case.

  Further, as shown in FIG. 26 (b), the same applies when zooming in or zooming out while viewing a map on the Web, and the lever 402 of the remote control transmitter 40 is pushed right below to specify the zoom center. In this state, by tilting the lever 402 forward, for example, as shown on the right side in FIG.

  The sixth embodiment is an embodiment in which the operation target device on the monitor screen is switched using the lever 402 of the remote control transmitter 40 described above. That is, the lever 402 is used to switch the operation screen to a device connected to the television, such as a DVD recorder, digital camera, game machine, terrestrial broadcast, satellite broadcast, or PC. In this case, as shown in FIG. 27, the pointer in the monitor screen is moved by swinging the remote control transmitter 40 up and down and left and right, and the operation screen is switched by the lever 402. Specifically, for example, when the BS operation screen is displayed on the monitor screen, when the lever 402 is tilted forward once, the screen is switched to the terrestrial digital operation screen, and when the lever 402 is further tilted forward once. When the terrestrial digital operation screen is switched to the HDD operation screen and the lever 402 is further tilted forward once, the HDD operation screen is switched to the DVD operation screen. When the lever 402 is further tilted forward once, the DVD operation screen is switched to the BS operation screen again. On the other hand, when the lever 402 is tilted backward, the operation screen is sequentially switched in the reverse order. Note that the switching order of such operation screens is set in advance.

  In this way, by switching the content for each device in units of screens by operating the lever 402, it is possible to display a huge list of titles and select necessary ones from the list. Thereby, the number of operations required for selection can be reduced.

  FIG. 28A shows a modified embodiment in which a cross key 403 mounted on the remote control transmitter 40 is used instead of the lever 402. That is, by assigning the forward / backward movements of the lever 402 to the up and down keys of the cross key 403, the operation screen can be switched in the same manner without the lever 402. In this case, since the lever 402 is not required, the number of keys of the remote control transmitter 40 can be reduced.

  On the other hand, with the configuration shown in FIG. 28A, the number of keys can be reduced, but there are operations for moving the pointer on the monitor screen up and down using the cross key 403 and switching operations for the operation screen. There is a possibility that the same operation is performed and the sense of operation is not distinguished. In that case, both the cross key 403 and the lever 402 may be provided in the remote control transmitter 40 as shown in FIG. That is, the pointer on the monitor screen can be moved with the cross key 403 and the operation screen can be switched with the lever 402.

  The seventh embodiment is an embodiment in which the operation menu screen of the operation target device is switched using the lever 402 of the remote control transmitter 40 shown in FIG. For example, in the case of switching the search conditions of recorded programs, the lever 402 is moved forward or backward to rearrange it as “date order”, “title order”, “genre order”, or to scroll in ascending order. Or in descending order. This is a current hard disk recorder with a very large capacity and a large number of programs that can be recorded, and is very convenient for finding the program you want to watch. For example, when selecting a program to be watched from a large number of channels such as CATV, the lever 402 is tilted to rearrange or scroll in the order of “channel viewing frequency”, “title order”, “genre order”, etc. Can be in ascending or descending order.

  In the eighth embodiment, the up / down of the reception channel is switched by swinging the remote control transmitter 40 in one direction left and right or up and down, and the volume is controlled by swinging the remote control transmitter 40 in another direction different from the one direction. It is an Example which controls up-down of this. Specifically, when the initial direction of movement of the remote control transmitter 40 is upward, the volume is increased by one step at the change point of the moving direction of the remote control transmitter 40. When the initial direction of movement of the remote control transmitter 40 is a downward direction, the volume is decreased by one step at the change point of the moving direction of the remote control transmitter 40. FIG. 29A shows this state.

  On the other hand, when the first movement direction of the remote control transmitter 40 is the left direction, the reception channel is switched to one in the down direction (small CH direction) at the change point of the moving direction of the remote control transmitter 40. When the first direction of movement of the remote control transmitter 40 is the left direction, one is switched to the reception channel up direction (large CH direction) at the change point of the moving direction of the remote control transmitter 40. FIG. 29B shows this state.

  In this way, it is possible to adjust the volume and up / down the channel without looking for the necessary button by looking at the remote control transmitter 40.

  In the ninth embodiment, the screen operation method on the monitor screen is switched by moving the remote control transmitter 40 in the front-rear direction. The movement of the remote control transmitter 40 in the front-rear direction can be detected by, for example, mounting a light emitting element having isotropic directivity on the remote control transmitter 40 and using the amount of received light. In this case, even if the direction of the remote control transmitter 40 changes, the amount of light does not change so much and changes only when the distance from the light receiving detection unit 37 changes, so that it is possible to distinguish the change in direction from the change in distance. .

  FIG. 30 shows a specific example of the ninth embodiment.

  When the operation of the remote control transmitter 40 shown in the eighth embodiment (see FIG. 29) is performed in the normal mode shown in FIG. In accordance with the operation, the volume is changed as shown in (a2) of the figure, and the channel is switched as shown in (a3) of the figure.

  On the other hand, when the remote control transmitter 40 is swung back and forth once in the state shown in FIG. 11A1, the input change mode shown in FIG. In the input change mode state, when the operation of the remote control transmitter 40 shown in the sixth embodiment (see FIG. 27) is performed, the screen operation method is switched according to a preset order. In the ninth embodiment, an example in which the operation target device is switched as in the sixth embodiment is shown. That is, every time the remote control transmitter 40 shown in the sixth embodiment is operated, the monitor screen is changed from the terrestrial TV shown in (b1) to the video 1 shown in (b2) and (b2) in FIG. From video 1 to video 2 shown in FIG. 4B3, from video 2 shown in FIG. 3B to satellite broadcast (not shown),... Thereafter, when the remote control transmitter 40 is swung back and forth once, the free pointing mode is set in the state of the operation target device currently displayed on the monitor screen as shown in FIG. When the remote control transmitter 40 is swung back and forth once, the normal mode is entered again. Here, the free pointing mode is a mode in which the pointer can be moved freely without craving on the screen like a mouse cursor.

  As shown in FIG. 1, the tenth embodiment assumes a configuration in which a network camera (camera device) on the other side is connected to one terminal 39n of the external connection terminal group 39 through a communication network N such as a videophone line. This is an example.

  That is, the detection signal for detecting the direction of the remote control transmitter 40 is transmitted from the external connection terminal 39n to the other party through the videophone line or the like by swinging the remote control transmitter 40 in the left-right direction or the vertical direction toward the monitor screen. Thus, the direction of the network camera on the other side can be moved in the horizontal direction or the vertical direction.

  FIGS. 31 and 32 show an example of how the electronic apparatus of the tenth embodiment is used. FIG. 31 shows a state in which a married couple is having a conversation (communication) using the videophone system using the electronic device of the tenth embodiment. A husband who is assigned to a single person shook the remote control transmitter 40A to move his network camera 50B from his wife's face to his hand in order to see his wife's home cooking. The network camera 50A is rotated by shaking the remote control transmitter 40B in order to see the state of the room where the person is assigned.

  In addition, FIG. 32 shows a case where a remote friend is requested to monitor an absence home using the videophone system using the electronic device of the tenth embodiment. A friend shakes the remote control transmitter 40C when he / she watches a television at home and finds a moving object in the image taken by the network camera 50D at the answering house displayed in the corner of the television screen. Thus, the network camera 50D at the home is moved in the direction of the moving object.

  The usage modes shown in FIGS. 31 and 32 are merely examples, and the usage modes are not limited to such usage modes. The tenth embodiment can be applied not only to a network camera used in a videophone system but also to a security camera, a surveillance camera, and the like.

It is a block diagram which shows the basic composition of the television receiver which is one Embodiment of the electronic device of this invention provided with the drag and drop function. It is explanatory drawing which shows one Embodiment of the principal part schematic structure of the remote control apparatus and monitor which concerns on this invention. It is a principle explanatory drawing explaining the principle of operation of the present invention, and is a figure which shows notionally the optical indicator of a remote operation device, and a light receiving device (light receiving element for position detection). FIG. 5 is a principle explanatory diagram for explaining the operation principle of the present invention, and shows the correlation between the relative light intensity of the position detection light signal (light reception signal) detected by the position detection light receiving element and the reference axis displacement angle with respect to the relative light intensity. It is a graph shown as a reference axis displacement angle characteristic. It is a wave form diagram which shows the example of a waveform of the pulse signal for light emission in the optical instruction | indication apparatus of the remote control apparatus which concerns on this invention. It is a block diagram which shows the Example of the circuit structure of the light-receiving device in the remote control apparatus which concerns on this invention. It is explanatory drawing which shows other embodiment of the principal part schematic structure of the remote control apparatus and monitor which concerns on this invention. (A) And (b) is a front view which shows PSD, respectively. It is a block diagram which shows the other Example of the circuit structure of the light-receiving device in the remote control apparatus which concerns on this invention. It is sectional drawing which shows the structure and operating principle of PSD. It is the schematic which shows the state which detects the position of an optical operating device using PSD and moves the pointer on a screen. (A) And (b) is a top view which shows the state from which the movement distance of the pointer on a screen changes with the distance of an optical operating device and a screen, respectively. (A) And (b) is explanatory drawing explaining the aspect of the displacement position of the optical indicating device (light emitting element for position detection) of the remote control device which concerns on this invention. (A) And (b) is explanatory drawing explaining the aspect of the displacement position of the optical indicating device (light emitting element for position detection) of the remote control device which concerns on this invention. (A) And (b) is explanatory drawing explaining the aspect of the displacement position of the optical indicating device (light emitting element for position detection) of the remote control device which concerns on this invention. (A) And (b) is explanatory drawing explaining the aspect of the displacement position of the optical indicating device (light emitting element for position detection) of the remote control device which concerns on this invention. (A) And (b) is explanatory drawing explaining the aspect of the displacement position of the optical indicating device (light emitting element for position detection) of the remote control device which concerns on this invention. It is explanatory drawing for demonstrating the principle which detects the reference | standard axis displacement angle of the remote control apparatus which concerns on this invention, and the relative light intensity and the reference | standard of the position detection light signal (light reception signal) which the position detection light receiving element detected Is a graph showing the correlation with the axial displacement angle as a characteristic of relative light intensity versus reference axial displacement angle. It is explanatory drawing explaining the principle of the remote control which shakes and operates the remote control apparatus concerning this invention. It is explanatory drawing explaining the principle of the remote control which shakes and operates the remote control apparatus concerning this invention. It is explanatory drawing explaining the principle of the remote control which shakes and operates the remote control apparatus concerning this invention. It is explanatory drawing of Example 1 which operates the apparatus connected to the television using the remote control apparatus concerning this invention. It is explanatory drawing of Example 2 which operates the apparatus connected to the television using the remote control apparatus concerning this invention. It is explanatory drawing of Example 3 which operates the apparatus connected to the television using the remote control apparatus concerning this invention. It is explanatory drawing of Example 4 which operates the apparatus connected to the television using the remote control apparatus concerning this invention. It is explanatory drawing of Example 5 which operates the apparatus connected to the television using the remote control apparatus concerning this invention. It is explanatory drawing of Example 6 which operates the apparatus connected to the television using the remote control apparatus concerning this invention. (A) is an explanatory diagram of a lever mounted on the remote control for enlarging and reducing the screen display, and (b) is an explanatory diagram of a cross key and lever mounted on the remote control for enlarging and reducing the screen display. It is. It is explanatory drawing of Example 8 which adjusts a volume by shaking the remote control apparatus concerning this invention up and down, and changes a channel by shaking left and right. It is explanatory drawing of Example 9 which switches the operating method by shaking the remote control apparatus concerning this invention back and forth. It is explanatory drawing of the video telephone system which operates the other party's camera by shaking the remote control apparatus concerning this invention. It is explanatory drawing of the video telephone system which operates the other party's camera by shaking the remote control apparatus concerning this invention.

Explanation of symbols

4 Pointer (cursor)
31 Antenna 32 Tuner 33 Signal Processing Unit 34 Monitor 35 Speaker 36 Control Unit 37 Light Detection Unit 38 Data Storage Unit 39 External Connection Terminal Group 40 (40a, 40b, 40A, 40B, 40C) Remote Control Transmitter 401 Start Button 402 Lever 403 Cross key 61 Device icon 61a HDD icon 61b Computer icon 61c Television icon 62 Content icon 62a Satellite broadcasting icon 62b Terrestrial digital broadcasting icon 63 Operation icon 63a Recording icon 64 Setting column 64a Content column 64b Device column 64c Operation Field 50A, 50B, 50C, 50D Network camera N Communication network

Claims (14)

  1. Electronic device having a drag-and-drop function for executing an application corresponding to a dropped icon in a predetermined manner by dragging and dropping the icon displayed on the monitor screen with the pointer selected by the remote operation device In
    One or a plurality of content icons and device icons are displayed on the monitor screen, and an application corresponding to the device icon is executed by dragging and dropping an arbitrary content icon onto an arbitrary device icon. Electronic equipment.
  2. Electronic device having a drag-and-drop function for executing an application corresponding to a dropped icon in a predetermined manner by dragging and dropping the icon displayed on the monitor screen with the pointer selected by the remote operation device In
    One or more content icons, device icons, and operation icons are displayed on the monitor screen, and a setting field for each icon is displayed. Any content icon can be dragged and dropped to the corresponding setting field, An electronic device characterized in that an application corresponding to each set icon is executed by dragging and dropping the device icon to the corresponding setting field and dragging and dropping any operation icon to the corresponding setting field .
  3. Electronic device having a drag-and-drop function for executing an application corresponding to a dropped icon in a predetermined manner by dragging and dropping the icon displayed on the monitor screen with the pointer selected by the remote operation device In
    One or more content icons and home appliance icons are displayed on the monitor screen, and when the home appliance icon is selected, the installation position is displayed on the floor plan of the monitor screen, and the home appliance to be operated from there A remote control device characterized by selecting a device icon.
  4.   The remote control device includes a light emitting unit that emits and outputs a position detection light signal, and a light receiving unit that obtains a position signal from a light reception signal detected by receiving and receiving the position detection signal is provided in the device body, 4. The drag-and-drop operation is performed by moving a pointer on a monitor screen up, down, left and right by moving the remote control device up, down, left and right. Electronics.
  5.   The electronic apparatus according to claim 4, wherein the moving direction of the remote control device is detected by the amount of light received by the position detection signal.
  6.   The electronic apparatus according to claim 4, wherein the pointer is moved by a minimum movement unit by swinging back the remote control device once.
  7.   6. The electronic device according to claim 4, wherein the pointer is continuously moved in the tilted direction by holding the remote control device tilted in the swinging direction for a certain period of time.
  8.     The remote control device is provided with a lever that can be tilted in the front-rear direction and pushed downward, and by pressing this lever downward, the center of expansion is specified, and then the lever is tilted forward or backward. The electronic device according to claim 4, wherein the screen display is enlarged or reduced.
  9.   The electronic device according to claim 8, wherein the operation target device is switched using the lever.
  10.   The electronic device according to claim 8, wherein the operation menu screen of the operation target device is switched using the lever.
  11.   The remote control device is provided with a cross key for inputting instructions in the vertical direction and the horizontal direction, and the screen display is enlarged or reduced by pressing the up key or the down key of the cross key. The electronic device according to claim 4 or 5.
  12. In electronic equipment equipped with a remote control device that emits and outputs various optical signals from the light emitting unit,
    A light receiving detection unit that receives the optical signal and detects a change in the amount of received light is provided, and in the state where the television broadcast signal is received and displayed on the monitor screen, the remote control device is moved in the horizontal direction or the vertical direction. The received light is detected by shaking the remote control device in another direction different from the one direction while switching the reception channel up and down based on the change in the amount of received light detected by the received light detection unit. An electronic apparatus that controls the volume up / down based on a change in the amount of received light detected by the unit.
  13. In electronic equipment equipped with a remote control device that emits and outputs various optical signals from the light emitting unit,
    A light reception detection unit that receives the optical signal and detects a change in the amount of received light is provided, and a screen is displayed based on a change in the amount of received light detected by the light reception detection unit by moving the remote control device in the front-rear direction. An electronic device characterized by switching an operation method.
  14. In an electronic device that can control a camera device and includes a remote control device that emits and outputs various optical signals from a light emitting unit,
    A light receiving detection unit that receives the optical signal and detects a change in the amount of received light; The electronic apparatus is characterized in that the camera device is moved in the horizontal direction or the vertical direction.
JP2005295132A 2005-10-07 2005-10-07 Electronic equipment Pending JP2007104567A (en)

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JP2005295132A JP2007104567A (en) 2005-10-07 2005-10-07 Electronic equipment
CN 200610141420 CN1955898B (en) 2005-10-07 2006-09-30 Remote control system, and display device and electronic device using the remote control system
US11/544,689 US20070080940A1 (en) 2005-10-07 2006-10-10 Remote control system, and display device and electronic device using the remote control system

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