JP4502770B2 - Television equipment - Google Patents

Description

  The present invention relates to a television device that can easily adjust volume and select a channel by a jog dial.

In recent years, technologies related to digital television broadcasting have been established, and the number of programs has been dramatically increasing. Therefore, since the user cannot grasp the contents of all channels as it is, it is necessary to check the program guide from a program magazine or EPG (Electric Program Guide).
The operation of selecting one of these many channels is cumbersome, and in recent years, portable television devices that can be carried around have appeared, and it is possible that you may have luggage in your hand. It is very convenient to be able to operate easily with one hand.
As such an operation means, there is a jog dial as described in Patent Document 1.
JP 2004-48524 A

  Patent Document 1 discloses that a jog dial is a device in which a disk-shaped dial is rotated to the left or right to operate or press the device, and volume adjustment and channel selection in a portable television device are disclosed. There is no disclosure of a method for performing the above. As described above, selecting a favorite channel from tens to hundreds of channels requires a complicated operation, and it is difficult to easily operate with one hand in a portable television device.

  In view of such circumstances, the present invention is intended to provide a television apparatus that can perform volume adjustment and channel selection with a single operation means, and that allows easy channel selection.

The present invention relates to a tuner for receiving a broadcast signal composed of a plurality of channels, and a video / audio for receiving and decoding at least one of video information and audio information for one channel of the broadcast signal. Information processing means, display means for display processing of video information, audio output means for output processing of audio information, and operation means for adjusting information output from the display means or audio output means In a television apparatus having
The operation means includes a disk-shaped dial, and a channel selection operation means for selecting one of a plurality of channels, and an output for performing an output adjustment operation of audio information output from the audio output means. Adjustment operation means, the channel selection operation means presses the dial toward the center of rotation to perform channel selection operation, and the output adjustment operation means rotates the dial to adjust the output of audio information It is characterized by performing .

Further, the present invention provides a storage means for storing a data table in which a channel number is assigned to an address of a channel to be arbitrarily registered from among a plurality of channels constituting a broadcast signal, and a channel selection operation The channel address is controlled by reading the channel address from the data table stored in the storage means by the channel selection operation of the means.

  According to the present invention, it is possible to perform channel selection and volume adjustment for a broadcast signal in which video and audio information are simultaneously superimposed on one channel with a single operation means. In this state, it is possible to easily perform an operation without changing the position of the finger with one finger of the one hand held.

  Also, a single operation means performs an operation that the user wants to perform immediately such as preset channel selection or volume adjustment among multi-channel broadcast signals in which video and audio information are simultaneously superimposed on one channel. Furthermore, in the state where the portable television device having these operations is held with one hand, the operation can be easily performed without changing the finger position with one finger of the held one hand. It becomes possible. As a result, it is possible to quickly and easily perform an operation that the user wants to immediately and easily perform.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is an external view showing an embodiment of a television device according to the present invention, FIG. 1 (a) is a side view of the television device, FIG. 1 (b) is a plan view, and FIG. It is an enlarged view of a jog dial. FIG. 2 is a block diagram illustrating a television device.

  The television apparatus 10 includes an antenna 11, a tuner 12, an A / D converter 13, a decoder 14, a D / A converter (for audio data) 15, a speaker 16, a selector 17, a D / A It comprises a converter (for video data) 18, a display 19, a control unit 21, an OSD controller 22, a memory 23, and an operation input unit 25. The control unit 21 includes a CPU 21a and a memory 21b. The memory 23 may be a detachable card type memory or a fixed type.

The operation input unit 25, the menu key 25 (c), composed of the direction instruction key 25 (d), the determination key 25 (e). The jog dial 30 provided on the side surface of the television device 10 is not only the channel selection operation unit 25 (a) but also the volume adjustment unit 25 (b). When the jog dial 30 is moved up and down, the volume is adjusted. When the jog dial 30 is pushed into the television apparatus, channel selection is performed. Thus, the channel selection operation and the volume adjustment can be performed with one operation unit.
A menu key 25 (c), a direction instruction key 25 (d), and an enter key 25 (e) of the operation input unit 25 are arranged on the upper surface of the television device.

Next, the operation of the television device 10 will be described.
When the user performs an operation using the operation input unit 25, the operation instruction information is temporarily stored in the memory 21 b of the control unit 21. The CPU 21a performs processing according to the instruction information stored in the memory 21b. First, when the user selects a channel, the CPU 21 controls the tuner 12 and selects a target channel from the signal received by the antenna 11. The obtained signal is converted from analog to digital by the A / D converter 13 and decoded by the decoder 14. The decoded audio signal is converted into an analog signal by the D / A converter 15 and output from the speaker 16 as audio. The decoded video signal is converted into an analog signal by the D / A converter 16 and displayed on the display 19.

  The control unit 21 selects the message box data of the operation instruction from the data stored in the memory 23 according to the content instructed from the operation input unit 25, and generates data to be displayed on the display 19 by the OSD controller 22 And sent to the display 19 by the selector 17.

  Next, an operation for registering a favorite channel will be described. FIG. 3 is a flowchart showing a procedure for registering a favorite channel. FIG. 4 is a data table of addresses and channels registered in the memory. The operation input unit 25 used by the following users is a menu key 25 (c), a direction instruction key 25 (d), and an enter key 25 (e) on the upper surface of the television device.

  When the user presses the menu key 25 (b), the control unit 21 causes the menu data to be output from the memory 23 to the OSD controller 22 and causes the display 19 to display the menu. The control unit 21 confirms whether or not the user has selected the “favorite CH registration” by operating the direction instruction key 25 (d) (step S1). As shown in FIG. 4A, a plurality of favorite channel assignment tables and a cursor are superimposed on the image signals of the channels (step S2). This is processed by the OSD controller 22 based on the data table of FIG. 5 registered in the memory.

  Here, in the data table of FIG. 5, the CH numbers assigned to the respective CH addresses are set so as not to be the same, and the same CH numbers as other CH addresses are set at the time of channel registration. When set, a comment indicating that the channel cannot be registered and the reason “cannot register the same CH number as that of other channel selection positions” and the reason may be displayed on the screen.

  The control unit 21 confirms whether or not the determination key 25 (e) is pressed by the user (step S3). If the determination key 25 (e) is pressed, the selected channel is stored in the memory 23 at the address of the selected cursor. To check whether it is already registered (step S4). If so, as shown in FIG. 4B, the contents (address and registered channel) are displayed on the display 19 and the selection items “overwrite”, “delete”, and “cancel” are displayed.

  The control unit 21 confirms whether or not the user has selected the item “overwrite” (step S6). If selected, as shown in FIG. Overwritten ”is displayed, the data of the already registered channel is deleted from the memory 23, and the selected channel data is registered in the memory 23 (step S9).

  The control unit 21 confirms whether or not the user has selected the item “delete” (step S7). If selected, as shown in FIG. “Deleted” is displayed (step S10).

  The control unit 21 confirms whether or not the user has selected the item “cancel” (step S8), and if selected, as shown in FIG. 4A, the registration process is not performed as shown in FIG. 4A. It returns to the favorite channel selection display state (step S11).

  In step S4, if the selected channel is not registered in the memory, as shown in FIG. 4E, the message box displays “Registered in preference 3”, and the data registration process is performed on the memory. Do.

  Next, the channel selection procedure will be described. FIG. 6 is a flowchart showing an operation procedure at the time of channel selection.

  The control unit 21 confirms whether or not the user has operated the channel selection operation unit 25 (a) of the jog dial 30 (step S21), and the channel position (for example, 1 to 12 channels) last selected last from the channel address memory. ) Is read (step S22). It is confirmed whether or not the currently viewed channel number is the same as the read number (step S23), and the read channel number is selected (step S24).

In step S23, when was the same as the read number is the channel number currently viewed, does not process the channel selection switch (step S27).

  The control unit 21 confirms whether or not the user has executed the channel selection operation unit 25 (a) of the jog dial 30 again (step S25), and assigns it to the position next to the channel position previously selected from the channel address memory 23. The obtained channel number is read (step S26), and the process returns to step S23.

  Since the favorite channel address stored in the memory 23 can be sequentially read and selected by the one-push operation of the jog dial 30, the portable television device can be operated with one hand. Further, the volume adjustment can be similarly performed by one hand operation by using the jog dial 30.

  Although the jog dial is used in the present embodiment, the present invention is not limited to this. Any one may be used as long as a plurality of operations can be performed with a single operation means such that the direction of volume adjustment and the channel selection operation are different.

1 is an external view showing an embodiment of a television device according to the present invention. It is a block diagram which shows a television apparatus. It is a flowchart which shows the procedure of registration operation of a favorite channel. It is display explanatory drawing of the message box at the time of registration operation. It is a data table of addresses and channels registered in the memory. It is a flowchart which shows the operation procedure at the time of channel selection.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Television apparatus 11 Antenna 12 Tuner 13 A / D converter 14 Decoder 15, 18 D / A converter 16 Speaker 17 Selector 19 Display 21 Control part 21a CPU
21b Memory 22 OSD controller 23 Memory 25 Operation input section 25 (a) Channel selection operation section 25 (b) Volume adjustment section 25 (c) Menu key 25 (d) Direction instruction key 25 (e) Enter key 30 Jog dial

Claims (2)

A tuner for receiving a broadcast signal composed of a plurality of channels;
Video and audio information processing means for receiving and decoding at least one of video information and audio information for one channel of a broadcast signal;
Display means for displaying video information;
An audio output means for outputting audio information;
In a television apparatus having an operation means for adjusting the information output from the display means or the audio output means ,
The operation means includes a disk-shaped dial, and a channel selection operation means for selecting one of a plurality of channels, and an output for performing an output adjustment operation of audio information output from the audio output means. Adjustment operation means,
The channel selection operation means performs a channel selection operation by pressing the dial toward the center of rotation.
The television apparatus, wherein the output adjustment operation means adjusts the output of audio information by rotating the dial . The television apparatus according to claim 1.
Storage means for storing a data table in which channel numbers are assigned to addresses of channels arbitrarily registered from among a plurality of channels constituting a broadcast signal;
A television apparatus, wherein a channel address is controlled by reading a channel address from a data table stored in a storage unit by a channel selection operation of a channel selection operation unit.

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