JPH03107789A - Clock setting device - Google Patents

Abstract

PURPOSE:To enable setting operation automatically without any button operation by providing a tuner means which receives a teletext at the power-on timing of a teletext device, a time data extracting means, and a time data setting means. CONSTITUTION:When the power source part 36 is turned on to supply operating electric power to respective parts, a tuner part 30 enters an operation state and the teletext is received. The received teletext is inputted to a time data extraction part 32, which extracts time data. Then the extracted time data is inputted to a time data setting part 34. The setting part 34 sets the clock of a video tape recorder part 12 according to the inputted time data. Thus, the clock of the recorder part 12 is set automatically according to the time data of the teletext simultaneously with the power-on operation and an operator need not perform any special button operation.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to teletext equipment, and particularly to an improvement in a clock setting device for setting a clock or a clock serving as an operating time reference in a video equipment section. It is related to.

[Prior Art] A teletext device 1, for example, as shown in FIG. 3, includes an adapter section 10 that mainly performs teletext input processing, and
Each includes a video tape recorder section 12 for recording and reproducing the contents of the teletext, and a display section 14 for displaying the teletext.

For example, in Europe, when teletext is displayed on the display section 14, the time display 16 is displayed at the top right of the screen as shown in FIG. The signal format includes, as shown in FIG.
4 are included, and among these, the time display section 24
A time display 16 is performed. Further, depending on the broadcasting station, for example, date data is independently entered in the display character code section 22.

The teletext device shown in FIG. 3 operates as a whole, and also operates as a normal television or the like.

By the way, the video cheap recorder section 12 is provided with a clock that serves as a reference for operation times such as recording and playback, and the setting of this clock can be done manually or by
This is done either automatically. First, in the case of manual setting, the operation shown in FIG. 5 (Al) is performed.

In the figure, first, the operator operates a key or button for manual setting (step S1), and then the screen of the display unit 14 changes to clock set mode (step S2). The user performs necessary button operations to input data for the current time, date, and year (step S3).For the current time, for example, a time signal on television or radio is used. After the clock setting is completed, the data store button is operated, and the input data is stored and saved (step S4). When the predetermined button is further operated, the screen of the display unit 14 returns to the original menu screen. return.

Next, in the case of automatic setting, operation T8) in the figure is performed. In the figure, first, the tuner is set to a channel on which teletext broadcasting including time information is being broadcast (step 55).Next, the operator operates a button to set the clock (step 55).
Step S6), then the screen of the 1 display section 14 changes to clock set mode (Step S7).

Next, the operator operates a predetermined OK/store button on the screen. Then, the current time is extracted from the time guide of the received teletext, and the clock setting operation is automatically performed based on this (step S8.
9), since the automatic setting is performed only for the data of the 1st time, from then on, the data of the date 1 year will be input by the same button operation as in the same figure (Al) (step 5).
io) After this, the display is returned to the menu screen by operating a predetermined button.

[Problems to be Solved by the Invention] However, the conventional clock setting method described above has the following disadvantages.

+11 In both manual and automatic settings, it is necessary to operate various buttons, and in particular, in the case of manual settings, it is necessary to perform the operations while listening to a time signal, making the set operation time-consuming.

(2) The clock function of the video recorder section 12 uses a crystal or the like as a reference for its counting operation. However, crystals and the like cause deviations in operation depending on their adjustment state and temperature characteristics.

In this case, it is necessary to perform clock setting again.

(3) Especially in countries that use daylight saving time, it is necessary to set the clock twice a year.

The present invention has been made in view of these points, and even when daylight saving time is implemented, the clock can be automatically and efficiently set without the need for laborious button operations, and the clock can always be set to an accurate operating time reference. The object of the present invention is to provide a clock setting device for a teletext device as shown in FIG.

[Means for Solving the Problems] One aspect of the present invention is to provide a clock setting device for setting a clock serving as an operating time reference in a video tape recorder section of a teletext device, in which a clock is set at the timing when the power of the teletext device is turned on. tuner means for receiving teletext; time data extraction means for extracting time data from the received teletext; and time data setting means for setting the clock of the video tape recorder section based on the extracted time data. It is characterized by the fact that it is equipped with

Another invention is, in the above invention, time/channel designation means for designating the time and teletext channel for performing the clock setting operation, and tuner means for receiving the teletext on the designated channel at the designated time timing. It is characterized by having the following.

[Operation] According to the present invention, time data is extracted from the teletext received by the tuner means, and the clock of the video tape recorder section is set based on this. According to one aspect, the tuner means operates at the timing of power-on, and according to another aspect, the tuner means operates at the timing of a specified time.

[Examples] Examples of the present invention will be described below with reference to the accompanying drawings. Note that the same reference numerals are used for the same components as in the conventional example described above.

First Embodiment> FIG. 1 (Al shows the main parts of a teletext device according to a first embodiment of the present invention. In the figure,
The output side of the tuner section 30 for extracting the teletext is connected to the input side of the one-time data extraction section 32. The output side of this time data extraction section 32 is a time data setting section 34.
The output side of the time data setting section 34 is connected to the input side of the time data setting section 34, and the one or more sections connected to the clock setting input side of the video tape recorder section 12 receive operating power from the power supply section 36. is being supplied.

Among the above units, the tuner unit 30 is for extracting teletext from the received signal when the power supply unit 36 is turned on, and the extracted teletext is input to the time data extraction unit 32. It has become. This time data extraction section 32 extracts current time data from the contents of the time display section 24 (see FIG. 4) of a predetermined page of the received teletext. Note that when date data is included in the teletext display character code section 22, etc., such data is also extracted by the time data extraction section 32, and thereafter, like the time data, it is subject to automatic setting. becomes.

Further, the time data setting section 34 includes a time data extraction section 32.
The clock setting of the video tape recorder section 12 is performed based on the time data extracted in the step.

Next, the operation of the first embodiment will be described with reference to the flowchart shown in FIG. First, power supply section 3
6 is turned on and operating power is supplied to each part (step SA, SBI), the tuner part 30 becomes operational and teletext reception is performed (step SC).
, the received teletext is input to the time data extraction unit 32, where time data is extracted (step SD), and then the extracted time data is input to the time data setting unit 34. The 0 time data setting unit 34 sets the clock of the video tape recorder unit 12 based on the input time data (step SE).

As described above, the clock of the video tape recorder section 12 is automatically set based on the time data of the teletext at the same time as the power is turned on, and the operator does not need to perform any special button operations.

<Second Embodiment> Next, a second embodiment of the present invention will be described with reference to FIG. Note that the same reference numerals are used for the same components as in the first embodiment.

FIG. 2A shows the main parts of a teletext device according to a second embodiment of the present invention. In the figure, the output side of a tuner section 30 for extracting teletext is connected to the input side of a time data extraction section 32, and the output side of this time data extraction section 32 is connected to the input side of a time data setting section 34. It is connected. In addition, the time data setting section 34
The output side of is connected to the clock setting input side of the video tape recorder section 12.

Next, the time of the time setting specified by the user and the channel data of the received teletext are stored in the specified time/channel storage section 40, and these data are input to the reception operation section 42. has been done. The clock time of the video tape recorder section 12 is input to the reception operation section 42, and when this time and the designated time match, the tuner section 30 is driven and controlled so that reception of the set channel is performed. It looks like this.

Next, the operation of the second embodiment will be described with reference to the flowchart shown in FIG. 8). First, the user or operator specifies the time and channel for clock setting. The specified data thus obtained is stored in the specified time/channel storage section 40.

Next, the receiving operation section 42 compares the specified time with the clock time of the video tape recorder section 12. When the two match, that is, when the designated time has come (see step SF), the reception operation section 42 causes the tuner section 30 to perform a reception operation (step SG), and the teletext on the designated channel is received. The received teletext (see step SH) is input to the time data extraction section 32, where time data is extracted (step SI).

Next, the extracted time data is stored in the time data setting section 34.
The one time data setting section 34 inputted to the time data sets the clock of the video tape recorder section 12 based on the input time data (step SJ).

As described above, the clock of the video tape recorder section 12 is automatically set at each specified time based on the time data of the teletext, and the operator does not need to perform any special button operations. Even if there is a discrepancy in the reference crystal or if daylight saving time is implemented, the clock discrepancy will be resolved once the specified time arrives.

Note that the present invention is not limited to the above-mentioned embodiments; for example, the present invention can be applied to achieve the same effect even when the clock setting is performed by software in a microcomputer or the like. For example, when applied to the first embodiment, the clock setting operation may be performed based on the reset/start of the microcomputer upon power-on.

Furthermore, in the second embodiment, a plurality of clock setting times may be designated to perform operations at a plurality of timings, or the first and second embodiments may be combined.

[Effects of the Invention] As explained above, according to the present invention, clock setting is performed using time data extracted from teletext, so clock setting can be performed automatically without labor-intensive button operations. The advantage is that the clock always indicates an accurate operating time reference even when daylight saving time is in effect.

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram showing one embodiment of the present invention, FIG. 2 is an explanatory diagram showing a second embodiment of the invention, FIG. 3 is a schematic explanatory diagram showing an example of the configuration of a teletext device, and FIG. The figure is an explanatory diagram showing an example of time display in teletext, and FIG. 5 is a flowchart showing the procedure of timer setting in a conventional teletext device. 10...Adapter part! 2--Video tape recorder section, l 4--Display section, 16...Time display, 3
0... Tuner section, 32... Time data extraction section, 3
4... Time data setting section, 36... Power supply section, 40.
... Specified time/channel storage section, 42... Reception operation section. Figure 1 (I?) ζ4th? Figure ω Procedural Amendment November 10, 1999 1999 Patent Application No. 245474 2 Title of Invention Clock Setting Device 3 Relationship with the Amendment Person Case

Claims (2)

[Claims] (1) In a clock setting device that sets a clock serving as an operating time reference in a video tape recorder section of a teletext device, a tuner means for receiving teletext at the timing of power-on of the teletext device, and a tuner means for receiving the teletext at the timing when the power of the teletext device is turned on; 1. A clock setting device comprising: a time data extracting means for extracting time data from a clock; and a time data setting means for setting a clock of the video tape recorder section based on the extracted time data. (2) In a clock setting device that sets a clock serving as an operating time reference in a video tape recorder section of a teletext device, a time/channel specifying means for specifying a time and a teletext channel for performing a clock setting operation; tuner means for receiving teletext of a specified channel at the timing of the received time; time data extraction means for extracting time data from the received teletext; A clock setting device comprising: time data setting means for setting a clock.