JP3035888U - Keyboard layout of electronic desk calculator - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To provide an electronic desk calculator that can be easily operated by a person who is proficient in key or push button type telephone operation. SOLUTION: In an electronic desk calculator, numerical keys 1 to 9 are arranged in 3 rows / 3 columns centered on "5", and "1", "2", "from the left to the right of the upper row. 3 "
"4" to the left of the "5" in the middle row, "6" to the right, and "7" from the left to the right in the bottom row.
“8” and “9” are assigned respectively.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 This invention relates to a keyboard layout of an electronic desk calculator.

[0002]

[Prior art]

 Generally, the key arrangement of an electronic desk calculator is "1" to "3" from left to right in the lower row (third row of the numeric keys) in a three-row, three-column matrix arrangement of numeric keys from 1 to 9. "4" to "6" are assigned from left to right in the middle row (second row of the same), and "7" to "9" are assigned from left to right of the upper row (first row). On the other hand, the dialing of recent telephones has been a key or push-button method for mobile phones since the touch-tone telephones. Is usually "1" to "3", and "7" to "9" from the left to the right in the downward direction.

As a matter of course, the younger generation is familiar with these keys or push-button type telephones, and in particular, there are many people who press quickly with a so-called blind touch by operating a model having a number / character conversion function.

[0004]

[Problems to be solved by the device]

 This invention intends to provide an electronic desk calculator that can be used by a generation familiar with the above-mentioned key-type or push-button type telephones and can handle the key operations as they are proficient.

[0005]

[Means for Solving the Problems]

 Therefore, in the present invention, the numerical keys 1 to 9 of the electronic desk calculator are arranged in 3 rows / 3 columns centered on "5", and "1", "2", from left to right of the upper row, “3” is assigned to “4” on the left side of “5” in the middle row, “6” to the right side, and “7”, “8”, and “9” are assigned from left to right in the lower row. .

According to the above configuration, the numeric keypads 1 to 9 of the electronic desk calculator are the same as those of the keys or push-button type telephones, so that the generations familiar with these telephones have the same numbers. Obviously, you can handle it with the skillful key operation.

According to a second aspect of the present invention, the + key is arranged below the lower left "7" key of the key arrangement. This position is the position of the * key for striking a hyphen between numbers or letters to be sent on the telephone, and this key is easy to press unintentionally between the numeric key operations due to the habit of operating the telephone. . Therefore, this configuration matches the position of the + key, which is most often used during numerical key operation during calculation, with the position where it is easy to unintentionally press due to the habit of operating the telephone.

[0008]

[Embodiment of the invention]

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

[0009]

【Example】

FIG. 1 shows a basic embodiment of the present invention applied to a keyboard layout of an electronic desk calculator having a typical arithmetic function. In the 5-row / 5-column matrix-shaped key arrangement 10 shown in FIG. 1, the five keys in the top row are AC (all clear) key, OFF key, √ key,% key, and CE / C key from the left. is there. The five keys in the rightmost column (fifth column) are the uppermost CE / C key and below, the _MRC key, M- key, M + key, = key, and the inner column (fourth column). The five keys are the uppermost% key, the ÷ key, the × key, the – key, and the + key, which are generally known for the function of the electronic desk calculator, and more than this. Is omitted. According to the present invention, the second row from the top in the five-row / five-column key arrangement is the first row of the numeric key arrangement, and is located in the three rows inside the two rows on the right side including the function keys described above. Construct a numeric keypad array in 4 rows / 3 columns. Of these, the 3rd row / 3rd column from the 1st to 3rd rows is a numeric key arrangement 11 in which the numeric keys 1 to 9 are arranged with "5" as the center. That is, "1", "2" and "3" are provided from the left to the right of the upper row (numerical key first row), "4" to the left of the "5" in the middle row (numerical key second row), and “6” is assigned to the right side, and “7”, “8”, and “9” are assigned from the left to the right in the lower row.

[0010] Conventionally, in the bottom line, the "0" key is located at the leftmost or key position 12 below the "7" key, and the right key is located below the "8" key. That is, the +/- keys are assigned below the "9" key.

According to the above configuration, the numeric key arrangement from 1 to 9 is the same as that of the telephone of the key or push button system. It is clear that it can be handled as it is. FIG. 2 shows a second embodiment of the present invention. This embodiment basically has the same key arrangement as that of the embodiment of FIG. 1 and therefore has the same effect, except for the configuration of the bottom row of the ten-key arrangement. That is, in the bottom line, the + key is located at the leftmost position, that is, the key position 12 'below the "7" key, the "0" key is located below that key, that is, the "8" key, and further to the right, that is, "". The key is assigned to the lower side of the 9 "key, and the +/- keys that are rarely used are omitted.

It should be noted that in the second embodiment, the + key is arranged below the “7” key. The position of the + key is the position of the * key for activating the hyphen-between the numbers or characters to be transmitted on the telephone, as described above. It is easy to press unintentionally, and considering that the + key is most often used during numerical key operation during calculation, even when the generation who has mastered the operation of telephones handles electronic desk calculators for the first time. In addition to the effects of the above-described basic embodiment, it is apparent that the operation can be performed more comfortably and more efficiently.

[0013]

[Effect of the invention]

 As described above, according to the present invention, there is provided an electronic desk calculator having a numeric key arrangement suitable for use by a generation skilled in the operation of recent keys or push-button type telephones.

[Brief description of the drawings]

FIG. 1 is a diagram showing a key arrangement of an electronic desk calculator according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a key arrangement of an electronic desk calculator according to a second embodiment of the present invention.

[Explanation of symbols]

 10 Matrix key layout 11 Numeric key layout 12 Key position

Claims (2)

[Utility model registration claims] 1. An electronic desk calculator in which numeric keys 1 to 9 are arranged in 3 rows / 3 columns centered on "5", and "1", "2", from left to right of the upper row, "3"
"4" to the left of the "5" in the middle row, "6" to the right, and "7" from the left to the right in the bottom row.
A keyboard layout for an electronic desk calculator characterized by assigning "8" and "9" respectively. 2. The "+" key is arranged below the "7" key on the left side of the lower row of the key arrangement.
The listed keyboard layout.