JPS62126778A - Television equipped with information memory - Google Patents

Abstract

PURPOSE:To display a bit of information on a television screen in a required time in a travel, etc., by constituting a device so as to load an information memory in which bits of information of a map, a time table, a telephone number, etc., are stored in advance on a portable liquid crystal television. CONSTITUTION:A battery containing part 21 and a ROM pack loading part 22 are provided at the back plane of the case main body 11 of a small size portable television in which a liquid crystal display panel is used at a display part, and a ROM pack 23 is locked and loaded within the loading part 22 with a locking piece 25, and a cover 24 is provided in such a way that it can be opened and closed freely. After the ROM pack 23 in which the bit of information requested to display is stored is loaded, a mode is switched from a television display mode to an information display mode with a mode switch at the surface of the main body 11, and an area requested to display is designated with a keyboard, and the bits of information of the map of a designated area, the time table, etc., can be displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a television equipped with an information memory storing information such as maps, timetables, telephone numbers, and the like.

[Prior art and its problems] In recent years, small portable televisions that use liquid crystal display panels in their display sections have been put into practical use. This portable television is something that is carried around in daily life or when traveling, so it would be very convenient if it could display, for example, a map of a travel destination, a train timetable, a telephone number, etc. on the screen. LCD TV is
The display screen is considerably larger than that of an electronic desk calculator, and can display maps, timetables, telephone numbers, etc.

[Object of the Invention] The present invention has been made in view of the above points, and provides information that allows maps, timetables, telephone numbers, etc. to be stored in an information memory, and the stored information to be arbitrarily read and displayed as necessary. The purpose is to provide a television with memory.

[Summary of the Invention 1] The present invention enables a portable television to be equipped with an information memory in which information such as a map, timetable, telephone number list, etc. is stored in advance, and the stored contents of the information memory are transferred to the television as necessary. It is designed so that it can be displayed on the screen instead of an image.

[Embodiment 1 of the Invention Hereinafter, an embodiment of the present invention will be described with reference to the drawings. First, the external configuration will be explained with reference to FIGS. 1 and 2. In FIG. 1, 11 is a case body, and the screen of this case body 11 is provided with, for example, a liquid crystal display panel 12 on the left side and a keyboard 13 on the right side. This keyboard 13
includes, for example, a performance key 14 consisting of numerical keys and function keys, an alphabet key 15, and a search key 1.
G, cursor key 17. The cursor keys 11 include four keys, ``↑'', ``↓J'', ``←'', and ``→'', which move the cursor in up, down, left, and right directions.

Further, the keyboard 13 is provided below the liquid crystal display panel 12 with a sliding mode switch 18 for switching between a TV display mode and an information display mode, a channel up key 19a, and a channel down key 19b. Furthermore, a rod antenna 20 is provided at the top of the case body 11. The rod antenna 20 is rotatably attached to the case body 11 at its base.

Further, on the back surface of the case body 11, as shown in FIG. 2, a battery storage section 21 and a ROM pack mounting section 22 are provided, and a ROM pack 23 as an information memory is mounted in this ROM pack device 81122. A lid 24 is provided in the opening of the ROM pack mounting section 22 so as to be openable and closable. The ROM pack 23 has a locking piece 25 on the negative side.
is formed, and a terminal portion 26 is provided on one side of the lower surface, that is, on the side where the locking piece 25 is formed. The lid body 24 also has a locking piece 24a at its tip.
, 24b are formed.

On the other hand, the ROM back mounting section 22 has a ROM installed at its bottom.
A contact portion 27 is provided corresponding to the terminal portion 26 of the pack 23, and a locking piece 25 of the ROM pack 23 is provided on the − side.
A slit 28 for locking is provided. Furthermore, R.O.
In the M bag attachment part 22, in the upper part of the slit 28,
Slits 29a and 29b for locking the locking pieces 24a and 24b of the lid 24 are provided, and guide grooves 30a and 30b for the lid 24 are formed on both sides of the opening. Therefore, when the ROM pack 23 is placed on the ROM pack mounting portion 22, the locking piece 25 is inserted into the slit 28.
The terminal portion 26 is brought into contact with the contact portion 27. After that, attach the lid body 24 to the guide groove 3 of the ROM back mounting part 22.
0a, 30b, and the locking pieces 24a,
24b into the slide l'' 29a, 29b and fix it.The above ROM pack 23 can be purchased with, for example, a map, train timetable, telephone number table, etc. written in advance.
The OM pack is attached to the OM pack attachment section 22.

Next, the configuration of the electronic circuit provided in the case body 11 will be explained with reference to FIG. In the same figure, 31 is T
The V circuit selects the broadcast wave of a desired channel from among the television broadcast waves induced in the antenna 20 according to instructions from the CPU 32, converts it to an intermediate frequency, and amplifies it.
It performs processing such as video detection, synchronization separation, and audio detection, outputs the video signal to the A/D conversion circuit 33, and outputs the audio signal to a speaker (not shown). The A/D conversion circuit 33 has T
The video signal sent from the V circuit 31 is converted into, for example, 4-bit digital video data and output to the liquid crystal drive circuit 34. The operation of this liquid crystal drive circuit 34 is controlled by the CPU 32, and when the TV display mode is specified, it displays the video data from the A/D conversion circuit 33 on the liquid crystal display panel 12, and displays information. If a mode is designated, information from the CPU 32 is displayed on the liquid crystal display panel 12.

The CPU 33, the control ROM 35, and the keyboard 13 are connected. The keyboard 13 includes a calculation key 14, an alphabet key 15, a search key 16, and a cursor key 17 shown in FIG. 1, as well as a mode switch 18, a channel up key 19a, and a channel down key 19b. Also, CPU
32 has a memory I/F (interface) 36
The ROM back 23 shown in FIG. 2 is connected via the ROM back 23 shown in FIG.

Next, the operation of the above embodiment will be explained. When receiving television broadcasting, a TV display mode is selected using the mode switch 18. When the TV display mode is selected and designated by the mode switch 18, the CPU 32 gives an operation command to the TV circuit 31 to put it into a TV reception state, and also switches the liquid crystal drive circuit 34 to the A/D conversion circuit 33 side. Also, C
P LJ 32 provides a channel control signal to TV circuit 31 in response to the operation of channel up key 19a and channel down key 19b. The TV circuit 31 is a CP
A designated channel is selected according to the channel sub-part signal from U 32, and a video signal is extracted by performing processing such as amplification and detection, and is output to the A, -'D conversion circuit 33.

The A/D conversion circuit 33 converts the video signal from the TV circuit 31 into 4-bit video data and outputs it to the liquid crystal drive circuit 34. This liquid crystal drive circuit 34 drives the liquid crystal display panel 12 according to the video data from the A/D conversion circuit 33,
A TV transcript is displayed on the screen.

On the other hand, if you want to display information such as a map, timetable, telephone number list, etc. on the liquid crystal display panel 12, select the ROM back 23 in which the desired information is written in advance and install it in the ROM back mounting section 22. Switch the mode switch 18 to the information display mode side. When the information display mode is designated by the mode switch 18, the CPU 32 stops the operation of the TV circuit 31, and also switches the liquid crystal drive circuit 34 to the CPU
Switch to the 32 side. In this state, the user operates the alphabet keys 15 and search key 1G of the keyboard 13 to designate an area from among the information stored in the ROM pack 23 to be displayed on the liquid crystal display panel 12. Now, for example, the ROM back 23 that stores map information is ROIv.
If you want to display a map of Nishitama-gun, Tokyo on the screen when it is attached to the l-pack device section 22, for example, the map shown in Figure 4 (
As shown in a), use the alphabet key 15 to select “\]
After specifying SITAMAJ (Saijo rFJ), operate the search key 16. When the search key 1G is operated, the CPU 32 searches for the keyword recorded in the ROM back 23 based on the data input at that time, and searches for the keyword recorded in the ROM back 23, for example, in FIG. As shown, only the amount that can be displayed on the liquid crystal display panel 12 is designated by the window w1 and read out.

The first window to be read from this ROM back 23~v
Area 1 is defined at a predetermined position, for example, at the upper left of the memory map, as shown in FIG. And CPU 32
outputs the map information read from the ROM pack 23 to the liquid crystal drive circuit 34, and displays the map information on the liquid crystal display panel 12 as shown in FIG.
Display as shown in a). A part of the map of Saijo Atsube is displayed on the liquid crystal display panel 12 as described above.
If you wish to view other parts, operate the cursor key 17. The CPU 32 has the cursor key 17 set to JIFF.
Then, the window W is moved accordingly, and the pond area is displayed on the liquid crystal display panel 12. FIG. 5 shows the position of window W at a? The column is shown when the IJ is moved from the Wl position to the W2 position. Thereafter, by operating the cursor key 17 using the same # child, the positions of Nin and Toru in Saijo Atsube can be displayed on the liquid crystal display panel 12.

In addition, if a train timetable is displayed on the liquid crystal display panel 12, the RO~1 pack 23 storing the train timetable is attached to the ROM pack mounting 8II 22, and the line color is changed using the alphabet keys 15, for example. 4 T shown in Figure (b)
YoG: Select rTOKAIDOJ (Tokaido) and operate search key 16. By the above key operation, the timetable of the Tokaido Line is displayed on the liquid crystal display panel 12 as shown in FIG. 6(b) in the same manner as the above map.

Furthermore, if a telephone number list is displayed on the liquid crystal display panel 12, the ROM back 23 that stores the telephone number list
Attach the ROM back to the ROM back mounting section 22, and press the alphabet key 15 to select the 'R phone layer number type, e.g.
After specifying (country), operate the search key 16.

By the above key operations.

Similarly to the case of the above map, a telephone number list of the 111 family institutions is displayed on the liquid crystal display panel 12 as shown in FIG. 6(C).

In the above embodiment, the information storage area of the ROM back 23 is specified using the alphabet keys 15, but the storage area may also be specified using numerical keys. That is, the memory area of the ROM back 23 is divided into areas as shown in FIG.
Specify it like lJ, FD2J. For example, if you specify rD2J, the upper left position W3 of that area will be displayed.

In this case, please contact the store that explains the ROM pack. A-1 Mizuho Town A-2 Hamura Town E-3 Hinode Town Write down a list of regional compatibility as shown below.

Also, the above actual I]! ! The example shows a case where a map, train timetable, and telephone number list are displayed on the screen, but other information can also be stored in the R O, 'vl.
By preparing the pack 23, it is possible to display the image on the television screen in the same manner as in the above embodiment.

Furthermore, in the above embodiment, the ROM back 2 is used as the information memory.
3 is used, but there are other cases, such as I
It can be implemented in the same manner using a C card, magnetic tape, etc.

[Effects of the Invention] As detailed above, according to the present invention, an information memory in which information such as a map, timetable, telephone number list, etc. is stored in advance can be installed in a portable television, and the information memory can be installed as needed. The content stored in the information memory can be displayed on the screen instead of the TV image, making it very convenient to display train timetables, maps of travel destinations, telephone numbers, etc. at any time when traveling. It is.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a front view showing the external configuration, FIG. 2 is a diagram showing the configuration of the ROM pack mounting section provided on the back of the case body, and FIG. FIG. 4 is a block diagram showing the configuration of an electronic circuit, FIG.
) to (C) are diagrams showing display examples of information read from the ROM pack. 11... Case body, 12... Liquid crystal display panel, 1
3...Keyboard, 14...Calculation keys, 15...
・Alphabet key, 16...Search key, 17・
...Cursor key, 18...Mode switch, 19a
... Channel up key, 19b... Channel down key, 21... TV circuit, 22... ROM pack mounting part, 23... ROM pack, 24... body, 31... TV circuit , 32・CPU, 33・A
/ D conversion circuit, 34...liquid crystal drive circuit. Applicant's agent Patent attorney Takehiko Suzue (C) Rorororo Figure 4 A B CD E Figure 5 3-purchased engraving (1 in the original! No changes) (a) Jokichi in the drawing in Figure 6 (in the original) (No change) (b) r7+kichi (Uchira ni'-no history) in Figure 6 drawing <c) Director General of the Patent Office Uga Michibu Forging, Indication of Case Patent Application No. 1982-266965 2, Information on the name of the invention TV equipped with memory 3 Person who corrects sleeves Relationship with case 21v Special applicant (144) Casio Computer Co., Ltd. 4, Agent

Claims (1)

[Claims] A television circuit that receives television radio waves to obtain a video signal, a display section that displays the video signal output from this television circuit, an information memory mounting section provided in the case body, and a case in which specific information is written in advance. an information memory mounted on the information memory mounting section; a mode switch for switching between a TV display mode and an information display mode; a key input means for specifying a reading area of the information memory; 1. A television equipped with an information memory, characterized in that the television comprises means for reading out stored information and displaying it on the display section when an information storage area of the information memory is specified.