JP2523960B2 - Document editing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to, for example, a Japanese word processor,
The present invention relates to a document editing device having functions such as document input, editing, and printing.

[Conventional technology]

In recent years, there are notebook type and notebook type that are lightweight and compact and easy to carry in Japanese word processors and personal computers.

[Problems to be Solved by the Invention]

Book-type and notebook-type Japanese word processors and personal computers have built-in batteries for easy use on the train or anywhere. For Japanese word processors and personal computers, an external storage device such as a floppy disk drive and a liquid crystal backlight are becoming indispensable, so the Japanese word processor,
Currently, the battery built into a personal computer can normally be used for only a few hours. Further, when a battery having a power source capacity that can be used for a long time is used, the volume and weight increase, which causes a problem that it is inconvenient to carry.

An object of the present invention is to provide a document editing apparatus which can be used for a long time and has a small volume and small weight.

[Means for solving the problem]

According to the present invention, at least a desired character is input device,
A document editing device having a display device for displaying input / edit results, wherein a connection terminal capable of connecting a memory card interface circuit capable of accessing a memory card and a power source interface circuit capable of supplying power from a battery are connected. Provided with an insertion port capable of sharing possible connection terminals, and having a battery detection device capable of detecting that a battery has been inserted into this insertion port, when it is detected that a battery has been inserted into this insertion port, This can be achieved by configuring the battery to be charged via the power interface.

[Action]

A battery such as a sealed lead battery that can be made thin can be inserted into the slot of the memory card so that both power supply and memory card insertion can be performed, and the volume of the Japanese word processor and personal computer itself is small or lightweight. Also, it is possible to extend the usage time by using the battery inserted from the memory card insertion slot together with the Japanese word processor and the battery built in the personal computer, or by allowing the user to carry a battery that can be inserted from the memory card insertion slot. can do.

〔Example〕

An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a view showing the appearance of a document editing device such as a Japanese word processor. 1 is a display device, 2 is an input device, 4 is a printing device, 12 is a main body, and a power supply is required for backup. A RAM (Randam Access Mem) that can store data such as a card-type sealed lead-acid battery 18 in the same form as a memory card used at any time or a ROM (Read Only Memory) card that contains a program or documents
ory) Indicates the slot into which the card can be inserted. Although only one of the memory card and the card-type lead-sealed battery can be inserted into the insertion slot 12 in this embodiment, a plurality of insertion slots can be provided to insert, for example, two memory cards or the memory card 1.
It is also possible to insert a sheet and a card type sealed lead battery 18. In addition, even when the insertion slot 12 is only one, when the card-type sealed lead battery 18 is inserted, the power interface circuit 16
By providing a built-in battery charging circuit 44 for charging the built-in battery 42 to the internal battery 42, the built-in battery 42 is
It can be charged without using the power supply 46 or AC adapter 45, and when using a memory card, a card-type sealed lead battery 18
Even if you can't insert into the insertion slot 12, you can use it only with the built-in battery 42. Further, when the card-type sealed lead battery 18 is inserted into the insertion port 12, it can be used for a long time as compared with the case where the built-in battery 42 alone is driven. Further, the card-type sealed lead battery 18 is smaller and lighter than the AC adapter 45 like the memory card, so that it does not cause any trouble for a plurality of users to carry around. Reference numeral 15 denotes a power switch of the main body. Even if the power switch 15 is turned off, codes such as characters input from the input device 2 and document data of edited results are backed up.

FIG. 2 is a block diagram of a document editing device such as a Japanese word processor. Reference numeral 2 is an input device such as a keyboard or a tablet for inputting a desired character or operation mode. Enter the operation command code.

The control device 3 temporarily stores the code such as characters input from the input device 2 and the document data of the edited result, and sends the pixel data to the display device 1 for display, and the output device 4,
External storage device 5, memory card interface circuit 14
And control. Further, if the card-type sealed lead-acid battery detection circuit 27 detects that the card-type sealed lead-acid battery 18 is inserted into the insertion slot 12, it can be seen that the card-type sealed lead-acid battery 18 is attached to the display device 1. Display patterns. By displaying the pattern, it is easy for the user to make a mistake as a memory card and a card-type sealed lead battery.
You can prevent 18 from being pulled out. Further, when the card-type sealed lead battery 18 is inserted in the insertion slot 12, the codes such as characters input from the input device 2 and the edited document data are backed up even when the power switch 15 of the main body is turned off. .

The output device 4 is a printer that outputs, as a hard copy, a document edited by operating the input device 2. An external storage device 5 stores edited documents, image data, and the like, and is, for example, a 5-inch or 3.5-inch floppy disk device. The memory card interface circuit 14 includes an address bus for accessing the ROM and RAM in the memory card when the memory card is inserted into the insertion slot 12, a data bus, and a control bus for controlling reading and writing. It is possible to read and write the data of the memory card of the control device 3 by connecting to the. The power supply interface circuit 16 allows the document data of the card-type seal lead battery 18 to be inserted into the insertion port 12 even if the power switch 15 of the main body is turned off, or the card-type seal lead battery 18 can be inserted electrically or mechanically. The card type sealed lead battery 18 is detected in the controller 3 by detecting that it is inserted in
If it is inserted into the card 12, or if the card-type sealed lead battery 18, the AC power supply 46 or the AC adapter 45 is connected, the built-in battery 42 is charged.
8. A circuit that allows the built-in battery 42 to be used effectively when the AC power supply 46 or the AC adapter 45 is not connected.

FIG. 6 is a diagram showing an internal block of the power supply interface circuit. The card-type sealed lead battery detection device 27 is a device that electrically or mechanically detects that the card-type sealed lead battery 18 is inserted into the insertion port 12. Built-in battery 42 is a card-type sealed lead battery 18, AC power supply 46 or AC adapter
Even when the 45 is not connected, it is usually about 3 even with the built-in battery 42.
The main body can be used for about a time, and the backup of the memory in the main body can be backed up for several years. Built-in battery charging circuit 44 is a card type sealed lead battery 18, AC power supply 46
Alternatively, if the AC adapter 45 is connected, the built-in battery 42 is charged, and the card-type sealed lead battery 18, AC power supply 46 or AC
The built-in battery 42 is used effectively when the adapter 45 is not connected.

FIG. 3 is a view showing the outer shape of the card-type sealed lead battery 18. The connector 19 is fitted with the mating connector of the insertion port 12 and connected to the power supply interface circuit 16. The external shape is the same as that of the memory card.

FIG. 4 is a view showing the inside of the card-type sealed lead battery 18. The separator 21 is sandwiched between the cathode plate 20 and the anode plate 22 and immersed in an electrolytic solution, and the cathode 26 connected from the cathode plate 20 and the anode 24 connected from the anode plate 22 have a connector structure and are inserted. Mates with the mating connector at port 12. twenty five
Is a dummy connector that fits with the mating connector of the insertion port 12 but is not connected in terms of signals. On the other hand, in the case of a memory card, the connector parts corresponding to the anode 24 and the cathode 26 of the card type seal battery are not connected in terms of signals, and the connector corresponding to the dummy connector 25 is connected to the address bus, the data bus and the control signal.

Fig. 5 is a circuit block diagram of the memory card, and 37 is RA.
M card access interface device or a memory card connector that connects to a system such as a personal type Japanese word processor, 38 is a RAM part that is a storage element, for example, 2 32K bytes memory LSI, 64K bytes storage capacity have. 39 is an address decoder section for selecting a memory LSI from the address signal sent from the connector section 37 and generating a control signal for writing and reading, 40 is a battery for holding the stored contents, 41 is a power supply control section, and a memory card Controls the memory card power system by switching between the drive power supplied from the system such as the interface circuit 14 and the power supply for the battery 40, and detects the voltage drop of the battery 40 to detect the life of the battery 40. It controls the function of checking. In this embodiment, the memory card is a RAM card, but it may be a ROM card.

〔The invention's effect〕

According to the present invention, for example, in a document editing device such as a Japanese word processor, a battery such as a sealed lead battery is formed in a form that can be inserted into a memory card slot, and an insertion port that can be used for both power supply and memory card insertion. By providing it, the volume of the Japanese word processor itself can be made small and lightweight. Further, since it is possible to detect that the battery is inserted and used, it is possible to prevent the document, etc., which has been created by bending the battery carelessly, from being wasted. Further, the life of the battery is extended, the document can be created for a long time by using the battery, and the workability can be improved.

[Brief description of drawings]

FIG. 1 is a diagram showing the appearance of a document editing device such as a Japanese word processor, FIG. 2 is a block diagram of a document editing device such as a Japanese word processor, and FIG. 3 is a card type. FIG. 4 is a diagram showing the outer shape of the sealed lead-acid battery 18, FIG. 4 is a diagram showing the internal structure of the card-type sealed lead-acid battery 18, FIG. 5 is a diagram showing the circuit block of the memory card, and FIG. 6 is the inside of the power supply interface circuit. It is a figure which shows a block. DESCRIPTION OF SYMBOLS 1 ... Display device, 2 ... Input device, 14 ... Memory card interface circuit, 16 ... Power supply interface circuit, 27 ...
Battery detection device.

Front page continuation (72) Inventor Shigeru Matsuoka 1-1-1, Higashitaga-cho, Hitachi-shi, Ibaraki Hitachi Ltd. Taga factory (56) Reference JP-A-3-244013 (JP, A)

Claims (1)

(57) [Claims] 1. A memory card interface circuit capable of accessing a memory card in at least an input device for inputting desired characters, a display device for displaying input / editing results, and a document editing device having a built-in battery. An insertion port that can share a connection terminal that can connect a power supply interface circuit that can supply power from a connection terminal and a battery, and has a battery detection device that can detect that a battery is inserted in this insertion port, The document editing apparatus is configured to charge the built-in battery through the power supply interface when it is detected that a battery is inserted into the insertion port.