WO2017084324A1

WO2017084324A1 - 10-key input keyboard

Info

Publication number: WO2017084324A1
Application number: PCT/CN2016/085616
Authority: WO
Inventors: 陈初刚; 白晏廷
Original assignee: 深圳深蓝辅助技术有限公司
Priority date: 2015-11-18
Filing date: 2016-06-13
Publication date: 2017-05-26
Also published as: CN105353886A

Abstract

A 10-key input keyboard, comprising: a keyboard front cover (1), key components (2), a main board component (4), and a keyboard bottom cover (6), wherein the key components (2) are disposed on the main board component (4); the main board component (4) is disposed in the keyboard bottom cover (6); the keyboard front cover (1) is provided with through holes, the key components (2) passing through the through holes; and the keyboard front cover (1) is mated and connected with the keyboard bottom cover (6). The number of the key components (2) is from 18 to 28, the usage contact area of each key component (2) is from 30 x 30 mm to 38 x 38 mm, and the pitch between key components (2) is from 40 mm to 50mm. The 10-key input keyboard makes the contact area of each key of the existing keyboard be enlarged to 33 × 33mm from 14 × 14mm and the inter-key pitch is increased to 45mm from the original 18mm, thereby the disabled, regardless of any kind of hand disability, can easily use the 10-key input keyboard to control a computer.

Description

Jiugong grid input keyboard

Technical field

The invention relates to a computer input device, in particular to a computer keyboard.

Background technique

The existing keyboard size is generally about 45X15CM area integrated with 104 keys, for the different people to use the following problems:

Ordinary people using existing keyboards must use two-handed operation to get faster input speeds; and you can't leave a hand to do other things while typing.

The general population over the age of 45 has not specifically studied computers, and has not used computers for a long time. I don't get a deeper understanding of the key distribution of the existing keyboard, but now I can't live without the Internet, and I can't do without the computer. Because they are too old to accept new things, the ability to accept new ones is not realistic. Therefore, the quality of life of such people using ordinary keyboard operation on the market has not improved, and work efficiency has been seriously reduced.

The number of existing keyboard keys is large. Due to the limitation of the overall size, the contact area of each button can only be the same as the size of the finger. The hand or finger activity is slow for the innate developmental deficiency or acquired development. Operation, it is difficult to find the target key, resulting in very slow input.

Persons with disabilities whose fingers are missing or whose entire wrist is missing because the area of the palm or elbow is much larger than the area of a single key, so that this type of disabled person cannot use the existing ordinary keyboard for accurate text input.

In order to solve the needs of the above various groups of people using computers, an input keyboard is proposed, especially based on the nine-square grid input keyboard under Windows (but not limited to Windows system).

Summary of the invention

In order to solve the problems in the prior art, the present invention provides a nine-square grid input keyboard. The keyboard cover, the button assembly, the mainboard assembly, and the keyboard bottom cover are disposed on the mainboard assembly, the mainboard assembly is disposed on the keyboard bottom shell, and the keyboard shell is provided with a through hole, The button assembly passes through the through hole, and the keyboard face shell is coupled with the keyboard bottom case. The number of the button components is 18 to 28, and the contact area of each button component is 30×30 mm to 38×38 mm. The spacing between the button components is 40mm to 50mm.

As a further improvement of the present invention, the switch button is further included, and the switch button is connected to the main board assembly, and the switch button is exposed.

As a further improvement of the present invention, a charging interface is further included, the charging interface is connected to the motherboard component, and the charging interface is exposed.

As a further improvement of the present invention, the button component comprises a keycap cover, a silicone gasket, a spring, a micro switch, a button base, a key cap and a button base are coupled, and a silicone gasket, a spring, and a micro switch are disposed on the button. Between the cap and the button base.

As a further improvement of the present invention, the keycaps of each of the key assemblies are different in color.

As a further improvement of the present invention, the motherboard component is a NAU100SD3BN with an Arm core as a master controller of NUVOTON, and a Bluetooth communication module BK3211 of Broadcom as a Bluetooth communication module, and is equipped with a matrix button scanning module and an LDO power supply. Module, battery charge management module.

As a further improvement of the present invention, the number of the button components is eighteen to twenty-three.

As a further improvement of the present invention, the number of the button components is eighteen to twenty.

As a further improvement of the present invention, the number of the button components is eighteen.

As a further improvement of the present invention, the contact area of each of the key components is 31 x 31 mm to 35 x 35 mm, and the pitch between the key assemblies is 42 mm to 48 mm.

The beneficial effects of the invention are:

The content of the invention mainly utilizes the keyboard input principle of the button mobile phone to reduce the 104 keys on the existing keyboard to 18 to 28 keys by means of merging, and can input Chinese, English and digital on the Windows platform. Using the nine-square grid input keyboard can bring the following beneficial effects:

All the keys used in the Jiugong grid input keyboard are mechanical buttons, and silicone gaskets, springs, and limit bases are added to each button. It ensures the use of each button, effectively resists external forces and maximizes the life of the keyboard.

The Jiugong grid input keyboard reduces the existing keyboard size 45X15CM to 17X22CM. The ordinary crowd can be changed from the original hands to the one-handed blind hit operation, which can completely liberate one hand to do other things and maximize the work efficiency.

The Jiugong grid input keyboard enlarges the contact area of each button of the existing keyboard from 14X14MM to 33X33MM, and the distance between the keys and the keys is increased from the original 18MM to 45MM. It is easy to use the Jiugong input button to control the disabled regardless of the handicap. computer.

DRAWINGS

1 is a schematic perspective view of a nine-square grid input keyboard of the present invention;

2 is another perspective view of the nine-square grid input keyboard of the present invention;

3 is an exploded view showing the structure of the nine-square grid input keyboard of the present invention;

Figure 4 is a cross-sectional view showing the structure of the keyboard of the present invention;

Figure 5 is a cross-sectional view showing the structure of a key assembly of the present invention;

Figure 6 is an exploded perspective view of the key assembly of the present invention.

detailed description

The invention will be further described below in conjunction with the accompanying drawings.

The nine-square grid input keyboard includes a keyboard shell 1, a button assembly 2, a switch button 3, a motherboard component 4, a Micro USB charging interface 5, a keyboard bottom case 6, a screw 7, and a battery 8.

The button components in the entire keyboard include 18 to 28 mechanical buttons. The complete mechanical buttons include the key cap 2-1, the silicone gasket 2-2, the spring 2-3, the micro switch 2-4, and the button base 2-5. . Preferably, the keycaps of each button are different in color. Silicone gaskets and springs are added to the buttons to ensure the use of each button, to protect the external pressure from the micro switch, and to extend the life of the keyboard. And each button cap has a different color, which makes it easy for disabled people to find the target key.

The motherboard component is based on NUVOTON's NAU100SD3BN with Arm core as the main controller, Broadcom's Bluetooth 2.1 chip BK3211 as the Bluetooth communication module, and equipped with matrix button scanning module, LDO power supply module and battery charging management module.

Taking the 18-key as an example, the nine numeric keys such as the nine-square grid input keyboard 1 to 9 are composed of 26 English letters and punctuation marks in Chinese and English. For example, each numeric key contains letters: 1 (PQRS), 2 (TUV), 3 (WXYZ), 4 (GHI), 5 (JKL), 6 (MNO), 7 (punctuation), 8 (ABC), 9 (DEF), using 9 numeric keys to contain different characteristics of English letters, only need You can enter any Chinese and English documents by pressing 1~9 buttons (for example, you need to enter "I am Chinese" on the computer. You only need to use the nine-square grid keyboard to enter the input by 3614434664426196 or 31341). With the advantage of a small area of 9 buttons and a small number of buttons, it is very easy to achieve one-handed blind play. Effectively improve work efficiency.

The Jiugong grid input keyboard only needs 18~28 buttons to complete all the functions of the 104 keys of the ordinary keyboard. The contact area of each button is large (33X33mm) and the spacing between the buttons is 45mm. This type of keyboard can be easily used to control the computer, whether it is a missing finger or a missing palm.

The use of the Jiugong grid input keyboard is as follows:

Step 1: Turn on the power of the device, the machine detects the battery voltage. If the battery voltage is between 3.3V and 3.6V, the device has a low power alarm. If the battery voltage is lower than 3.3V, perform step 10; and the device sends a Bluetooth broadcast code and automatically finds The address of the last paired device is automatically connected.

Step 2: The device determines whether the Bluetooth connection is successful, the connection success indicator light is red, and step 5 is performed. The connection failure indicator is flashing red.

Step 3: Open the device and printer Bluetooth device in the Windows system control panel.

Step 4: Add the device and find the Blue2 Bluetooth keyboard and click the connection. Wait for the indicator light to be steady red to indicate that the connection is successful.

Step 5: Perform a button scan to detect if a button is pressed. In this microcontroller, if there is no button press detected within 30 minutes, then step 9; if there is a button press, the next step is performed.

Step 6: According to the row and column address of the matrix button, the button attribute is judged, and the single-chip computer transmits the button attribute to the PC of the Windows system through the Bluetooth 2.1 wireless communication protocol in the ASCII code format.

Step 7: The Windows system PC receives the data. The user can display the text and number according to the input method. It is consistent with the one you want. Press the confirmation key to confirm the input. If the inconsistency can be turned, the page is turned down. ) Move (move down, move up) to select the text or number you want.

Step 8: The device continues to scan the button to detect whether there is a key input, and if there is a key input, step 6 is performed; if there is no button press, and it is determined whether there is no button press within 30 minutes, the next step is performed.

Step 9: Turn off the Bluetooth circuit and enter the low-power state. Only keep the button scan circuit working, and judge whether there is a button press. If there is a button, wake up the MCU, then perform step 2; if there is no button press, it will be executed. Step nine.

Step 10: The device is in low power mode, all power is off, and any operation is invalid.

The above is a further detailed description of the present invention in connection with the specific preferred embodiments, and the specific embodiments of the present invention are not limited to the description. It will be apparent to those skilled in the art that the present invention may be made without departing from the spirit and scope of the invention.

Claims

A nine-square grid input keyboard, comprising: a keyboard shell, a button assembly, a motherboard component, a keyboard bottom shell, wherein the button component is disposed on the motherboard component, and the motherboard component is disposed on a keyboard bottom shell, The keyboard shell is provided with a through hole, the button assembly passes through the through hole, and the keyboard shell is coupled with the keyboard bottom shell, and the number of the button components is eighteen to twenty-eight, each button The contact area of the components is 30X30mm to 38X38mm, and the spacing between the button components is 40mm to 50mm.
The nine-square grid input keyboard according to claim 1, further comprising: a switch button, wherein the switch button is connected to the motherboard component, and the switch button is exposed.
The nine-square grid input keyboard according to claim 1, further comprising a charging interface, wherein the charging interface is connected to the motherboard component, and the charging interface is exposed.
The nine-square grid input keyboard according to claim 1, wherein the button assembly comprises a key cap, a silicone gasket, a spring, a micro switch, a button base, a key cap and a button base, and a silicone gasket. The spring and the micro switch are disposed between the key cap and the button base.
The nine-square grid input keyboard of claim 1 wherein the keycaps of each of the button assemblies are different in color.
The nine-square grid input keyboard according to claim 1, wherein the motherboard component is a NAU100SD3BN with an Arm core as a master controller of NUVOTON, and a Bluetooth communication module BK3211 of Broadcom is used as a Bluetooth communication module. Matrix button scanning module, LDO power supply module, battery charging management module.
The nine-square grid input keyboard according to claim 1, wherein the number of the button components is eighteen to twenty-three.
The nine-square grid input keyboard according to claim 7, wherein the number of the button components is eighteen to twenty.
The nine-square grid input keyboard according to claim 8, wherein the number of the button components is eighteen.
The nine-square grid input keyboard according to claim 1, wherein each button The contact area of the components is 31X31mm to 35X35mm, and the spacing between the button components is 42mm to 48mm.