JPS6316778A - Calendar display device - Google Patents

Abstract

PURPOSE:To correspond to the display order such as year, month and day indicated form the life custom in the respective parts of the world, to enable the standardization of the titled device and to redue the cost by providing a switch which can select the display order such as year, month and day of calendar information. CONSTITUTION:A calendar switching switch 8 is constituted of switches 13 and 14. The switch 13 or 14 outputs the time signal of year, month and day or that of month, day and year to a microprocessor 6 and while the switch 13 is being pushed, the output which makes the display order of the calendar the order such as year, month and day is outputted to the microprocessor 6. And if the switch 14 is being pushed, the output of the display order such as month, day and year is transmitted to the microprocessor 6 from the switch 14. A character signal generating device 5 generates a character signal by a data signal B from the microprocessor 6.

Description

[Detailed Description of the Invention] [Field of Industrial Application] This invention adds information such as time and date from the outside to a video signal from a video camera etc.
The present invention relates to a calendar display device that displays calendar information on a display device such as a ray tube.

[Conventional technology]

For example, it is useful for security equipment to add calendar information such as time and date to the video signal of a video camera and display it on a display device such as a CRT or record it on a VTR (video data recorder). .

Used for monitoring equipment, etc.

It is very convenient to verify abnormalities by playing back the video signal of the surveillance camera recorded on the VTR and being able to see the time and calendar information of the year, month, and day when the abnormality occurred on the screen. Therefore, such devices have been proposed and some have been commercialized.

When displaying the year, month, day, day of the week, etc., in each region of the world, the order in which they are displayed is generally determined based on lifestyle habits, apart from differences in single characters. For example, FIG. 4 shows the order in which calendar information is displayed on the screen, and FIG. 4(a) shows the order of year, month, and day, which is the general display order in Japan.

On the other hand, the month, day, and year in Figure 4(b) are the order of display that is common in the United States region, and the date, month, and year of Figure 4(C) are the order of display that is common in the European region. .

Conventional products display only one of these display orders, and although calendar information can be seen when used in other regions, differences in display order due to lifestyle habits are unnatural. However, it was not easy to use.

[Problem that the invention seeks to solve]

Conventional calendar display devices are configured to display one year, month, and day in the same order as described above, which makes them inconvenient to use in other regions.To solve this problem, It is necessary to prepare devices with different display contents for each region of use, which is inconvenient in terms of product unification and standardization, and poses problems such as high costs.

This invention was made to solve these problems, and it not only makes it possible to change the display order of date, month, and day, but also allows one type of device to be used in different regions of the world, making it possible to standardize devices. 1. An object of the present invention is to obtain a calendar display device that can be made inexpensive through rationalization.

[Means for solving problems]

A calendar display device according to the present invention is provided with a changeover switch that changes the display position of characters in order to change the display order of year, month, and day.

[For production]

In this invention, calendar display is performed by changing the display order of dates, which differ depending on each region of the world, using a changeover switch.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS Examples of the calendar display device of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of one embodiment. In FIG. 1, a composite video signal A from a video camera or the like is input to a video signal input section 1, and a video signal R is sent from this video signal input section 1 to a character signal insert section 2. It is now output.

Further, the horizontal synchronizing signal HD and the vertical synchronizing signal VD are sent from the video signal input section 1 to the character signal generating section 5, and the data signal B from the microprocessor section 6 is sent to the character signal generating section 5. It is now entered.

A single character signal C is sent from the character signal generating section 5 to the character signal inserting section 2.

This character signal in-boot section 2 is configured to superimpose the character signal C on the video signal.

The output of the character signal insert section 2 is sent to a video monitor 9 via a video signal output section 3.

On the other hand, 7 is a switch for setting the time, 1 hour setting switch 101 minute setting switch 11. It consists of a time setting mode switch 12. Further, the calendar changeover switch 8 is constituted by switches 13 and 14.

Time setting switch 101 Minute setting switch 11° Time setting mode switch 12. The switching signals of the switches 13 and 14 are sent to the microprocessor 6.

It should be noted that a signal E having a commercial power frequency is input to the microgross terminal '47''6.

Next, the operation of the present invention will be explained with reference to the flowchart shown in FIG. The flowchart in FIG. 3 shows the processing procedure of the microprocessor.

First, a composite video signal A from a video camera or the like is input to the video signal input section 1. This video signal input section 1 has a built-in synchronous separation circuit.

From this, a horizontal synchronizing signal HD and a vertical synchronizing signal VD are outputted and guided to the one character signal generating section 5.

The character signal generating section 5 generates a character signal C based on the horizontal synchronizing signal HD, the vertical synchronizing signal VD, and the data signal B from the microgross +j6, and supplies it to the character signal input section 2. In the character signal insert section 2, the character signal C is superimposed on the video signal.

When this signal passes through the video signal output section 3 and is displayed on the video monitor 9, the year, month, day, and time of calendar information are displayed on a part of the screen as shown in FIGS. 2(a) and 2(b). be done.

Figure 2 (a) shows an example of the display when the switch 13 is pressed.
It means 0 minutes and 10 seconds, and FIG. 2(b) is an example of the display when the switch 14 is pressed, and it means March 31st, 1986.

Although not directly related to the present invention, the calendar changeover switch 8 is a switch provided for the purpose of the present invention in the time adjustment switch 7 for displaying the time. ), the calendar is displayed in the order of year, month, and day.

It means 12:10:10 on March 31, 1986, and 1 as shown in Fig. 2(b) when switch 14 is pressed.
In the order of month, day, and year, it means March 31st, 1986.

Here, to explain in more detail, the character signal generator 5 generates a character signal based on the data signal B from the microprocessor 6, and there are two types of contents of this data signal B.
One is a data signal indicating the type of character, and the other is an address signal indicating the display position.

In the flowchart of FIG. 3, the microprocessor +j6 has a clock function that starts at step 81 and counts the signal E having the commercial power frequency that is input to the microprocessor v6 at step S2. It is output to the character signal generator 5 as a data signal B together with the address information indicating the display position, and at the same time the switch 1
Calendar character information is output to the character signal generator 5 along with the display position and address information based on the switching of 3.14.

That is, the signal E is counted in step S2, and when the count value reaches "60" (step S3).

When 60 seconds have passed after performing seconds carry on Stella 7'S4 (
Step S5), the minutes are carried up in step S6, the 60 minutes are counted in step S7, the hours are carried up in step S8, and 24 hours are counted (step S9), and the date is carried up (step S9). 510)
I do.

Next, in step 811, switch 13 or switch 1
4 is pressed, and in step 812, the switch 13 or 14 is pressed.

The time signal of the day or month, date, and year is sent to the microprocessor 6.
is output to.

In this case, if switch 13 is pressed (step 1
3) As shown in FIG. 2(a), an output in which the calendar display order is January 1st is output to the microprocessor 6 (step 514).

Further, if the switch 14 is pressed, step 813
Then, the Stella fS15 is output, and the output of the display order of month, date and year is sent from the switch 14 to the microprocessor 6.

Year and month in step 814 or step 815.

When the display order of the day, month, and day 1 year is output.

At 70-Tayat in FIG. 3, the process returns to step S2 again.

In this way, by switching the switch 13"! or 14, it is possible to change the display order of January 1, 2015. [Effects of the Invention] As explained above, this invention can I installed a switch that allows you to select the display order of January and day.
The year comes from the lifestyle habits of each region of the world.

The display order of the 1st of the month can be supported, the equipment can be standardized, and it can be done at low cost.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an embodiment of the calendar display device of the present invention, and FIGS. 2(a) and 2(b) respectively show the display order of calendar information for January 1, 2013 in the same calendar display device. FIG. 3 is a flowchart showing a processing procedure of a microprocessor in the calendar display device, and FIGS. 4(a) to 4(e) are diagrams showing examples of conventional display of calendar information. DESCRIPTION OF SYMBOLS 1... Video signal input part, 2... Character signal insert part, 3... Video signal output part, 5... Character signal generation part, 6... Microprocessor, 8... Calendar changeover switch , 13.14...Switch.

Claims (1)

[Claims] A switch that changes the order in which calendar information such as year, month, day, and day of the week is displayed in a device that displays calendar information such as year, month, and day superimposed on images displayed on a video display device such as a television receiver. , a microprocessor that outputs data on the year, month, and day measured by counting the commercial power supply frequency and data on the display order of the year, month, and day switched by the above switch, and a composite output with the output of this microprocessor. A character signal generator generates a character signal using a horizontal synchronization signal and a vertical synchronization signal extracted from a video signal, and superimposes the character signal on the video signal to generate the calendar information in the order of year, month, and day selected by the switch. A calendar display device comprising a character signal insert section to be displayed on a video display device.