JPS58109924A - Multi-item input device - Google Patents

Abstract

PURPOSE:To change the display of a display and to make the meaning of a key clear, when the meaning of a key is changed, by making the key top transparent and providing the display under the key top. CONSTITUTION:Display items, characters and symbols on a liquid crystal display unit 12 are visually observed through a glass plate 102 and a transparent key top 81. The display items on the unit 12 can be changed by changing the menu. The input of the key information is attained by depressing the key top 81, which is depressed with the glass plate 102 against the elastic force of an elastic opaque resin 82, and the depression is detected at a coordinate detection mechanism. The control is done with a central processing unit CPU.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a multi-item input device, and particularly to a multi-item input device that has many key menus or whose purpose can be applied to various uses.

A conventional multi-item input device used for multi-purpose purposes or used in places with a large number of key menus has holes 20 that match the keys 3 arranged on the keyboard surface 1, as shown in FIG. Two page boards 2 are stacked one on top of the other, and each page has a different display embedded in it.
By changing this page meeting, the key 30 command was changed. However, with the above-mentioned method of overlapping pages, there is a limit to the number of pages, and when attempting to increase the amount of information, there are disadvantages such as requiring a large amount of storage space and inconvenient handling operations. .

The purpose of the present invention is to change one or two key display items by changing the display of the liquid crystal, and by changing the display by using a 2-nit liquid crystal display, a touch type coordinate entry crab knit, and an elastic keypad having a lens function. To provide a multi-item input device capable of infinitely changing display items held by one key by changing key commands by switching touch-type coordinate input units.

In order to achieve this object, the present invention provides a variable display means that can change various input display items (for example, a display that changes items by optically selecting characters on a liquid crystal display or Rolfilm). device, etc.), a transparent plate placed on the display item variable means, a plurality of transparent key tops placed on the transparent plate, and the position of the transparent plate where the nuclear key top is pressed. A position detection means (for example, one that detects the position by the distribution of pressure applied to a support part that supports the transparent plate at five points, or one that uses surface acoustic waves, light, or science) is provided, and the display item variable means displays the The pressed item is transmitted onto the key top through a transparent plate, and the pressed position of the key top is detected by the position detecting means, thereby identifying the pressed item of the key top.

Embodiment of the Invention and Its Effects An embodiment of the present invention will be described in detail below with reference to FIGS. 2 to 6 (b). Fig. 2 is an external view of the multi-item input device, Fig. 5 is a sectional view taken along line AA in Fig. 2, Fig. 4 is a partially enlarged view of Fig. 5, and Fig. 5 is a portion of the multi-item display and input section. Configuration diagram, No. 6
The figure is a functional configuration diagram of a multi-item input device.

As shown in FIG. 2, the multi-item input device according to the present invention is comprised of a multi-item input section 8 provided on a main body 7, a fixed key portion 4 such as a numeric keypad, and a cable 9. The multi-item input unit 8, which is a feature of the present invention, includes a key top sheet 8 including a button 82, a transparent glass plate 102, and a coordinate detector 101, as shown in FIGS. 3 to 5! @ Mark detection mechanism 10 and liquid placed below this glass plate 102.

It is composed of a crystal display unit 12.

Therefore, the item characters and symbols displayed on the liquid crystal display unit 12 are visible to the operator through the glass plate 102 and the key dog 81.

Furthermore, the coordinate detection mechanism 10 can detect which position of the corresponding key is pressed by means of the glass plate 102. In this way, 6 of the force applied on the glass
The detection mechanism that can determine the coordinates of the point where the force is applied by detecting the component force applied to the fulcrum is described in Nikkei Electronics May 24, 1971 issue, page 54. The multi-item human powered device has a liquid crystal display%
By changing symbols such as characters displayed on l512, items and information displayed on key top 81 change.

To input key information, the operator presses the cough pad key, that is, the key top 81, and the key top 81 is pressed against the elastic opaque resin 81.
This is achieved by being pressed against the glass plate 102 against the elastic force of 2, and the coordinate detection mechanism 10 detecting this. At this point, the key tops 81, as shown in detail in FIG.
remains held by.

Further, as shown in FIG. 6, the keyboard 7 has a structure including a liquid crystal display unit 12, a touch type coordinate input crab knit 10. It consists of a changeover switch 13, and 12 and 10 are interlocked with each other. The changeover switch 13 is liquid! Display 2 Chive) 12
The display and the position setting of the touch-type zazen person crab knit 10 can be switched, so that an unlimited number of necessary display contents can be displayed.

Further, all these controls are performed by the CPU 14, and necessary display contents are filed in the memory 11 and outputted by the changeover switch 15 at any time.

As described above, by switching the displayed items using the -N type keyboard, the menu of one key, -
K so that it can change.

According to the present invention, it is possible to set display contents for various types of machines using one type of keyboard, and a keyboard corresponding to one function can be immediately set. Furthermore, in conventional large-page keyboards, the menu of keys that can be set is limited depending on the number of pages, but in the present invention, the menu can be expanded infinitely depending on the changeover switch and memory capacity. In addition, since the search for /nie can be easily performed by key operation, the operability is also improved.

Since the present invention uses a liquid crystal display element and a touch type coordinate input crab knit, there is no mechanical contact point like a conventional key, so there is no failure such as a contact failure, and the reliability is high.

Since one type of keyboard can be used for multiple purposes, it is possible to unify parts, and there is no need to design a new one, so the cost can be reduced.

[Brief explanation of drawings]

FIG. 1 is an external view of a page-type multi-item input device according to the prior art, FIG. 2 is an external view of a display switching-type multi-item input device according to the present invention, and FIG. 5 is a sectional view taken along line A-A# in FIG. FIG. 4 is a diagram showing the state when the key top is pressed, FIG. 5 is a three-dimensional configuration diagram of FIG. 3, and FIG. 6 is a functional configuration diagram of the multi-item input device according to the present invention. 1...Keyboard 2...Page 5
...Key button 4 ...Key top 5 ...Cable 6 ...Keyboard ° case 7 ... Main body 8 ...・Key top sheet 8-1... Key chip with lens function 8-2... Elastic opaque resin 9... Cable 10... Touch 2 Crab knit 10-1・
... Force detector 10-2 ... Glass plate 11 ... Memory 12 ... Liquid crystal display unit 13 ... Changeover switch 14 ... ...OPU Representative Patent Attorney Susuki 1) Toshiyuki't I Zutsukei Ro α Rimi

Claims (1)

[Claims] (1) In a multi-item input device in which input display items can be changed, a plurality of input display items are displayed, an angle display item variable means capable of changing the input display items, and a display item variable means above the display item variable means. A transparent plate is arranged, and a position detecting means for detecting the pressed position of the transparent plate is used.
When the position of the transparent plate facing the display position of the selected item among the a number of items displayed on the crotch of the hand is pressed, the position detecting means detects the position of the pressed position. A multi-item input device characterized by identifying items.