Keyboard with thin fingerprints

Abstract

The keyboard with the thin fingerprints comprises a keyboard body, a keyboard circuit board is arranged in the keyboard body, a cover body is arranged on the top of the keyboard body, a main key function area and a number key function area are arranged on the cover body in a protruding mode, an indicator light area is arranged on one side of the number key function area, and a thin fingerprint is arranged on the indicator light area. One side of the indicating lamp is provided with a fingerprint installation window arranged on the cover body, the keyboard circuit board is connected with a thin fingerprint, and the thin fingerprint comprises a soft and hard combined thin plate, a fingerprint sensing chip arranged at one end of the soft and hard combined thin plate and a golden finger arranged at the other end of the soft and hard combined thin plate. The fingerprint sensing chip is arranged on the fingerprint mounting window, the soft and hard combined thin plate is arranged in the keyboard body, the golden finger is inserted into the keyboard circuit board, and the fingerprint sensing chip and the golden finger are electrically connected together through the soft and hard combined thin plate. According to the keyboard with the thin fingerprints, the thin fingerprints are convenient to disassemble and assemble, the overall thickness of the keyboard is small, and the keyboard is lighter, thinner and more attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of fingerprint keyboards, in particular to a keyboard with a thin fingerprint. Background Art

[0002] Currently, computer application software authentication and power on / off authentication almost all use password authentication. The password input process is cumbersome and user password information is easily leaked, which poses a security risk. It is also easy to forget and the password retrieval process is cumbersome, which brings inconvenience to users.

[0003] Therefore, in order to solve the defects of password input, existing computers have introduced some technical solutions of fingerprint modules applied to computer field authentication and the fingerprint modules are applied to keyboards.

[0004] There are two types of keyboards with fingerprint modules, and each type has its own disadvantages. The specific reasons are as follows:

[0005] 1. For example, a keyboard whose fingerprint module communication circuit is integrated into the keyboard circuit. The fingerprint module of this keyboard is difficult to debug, disassemble and repair.

[0006] 2. For example, a keyboard with a fingerprint module integrally installed on the keyboard circuit (for example, patent publication number: CN206339937U, patent name: Chinese utility model patent for a keyboard with a press-type fingerprint sensor, or patent publication number: CN215769670U, patent name: Chinese utility model patent for a keyboard capable of fingerprint recognition). The fingerprint module of this keyboard is installed on the keyboard in a block shape, which either greatly increases the thickness of the keyboard or is protruding. The disadvantages of this keyboard with a fingerprint module are: the keyboard is thick and unsightly, and is not conducive to the lightweight design of the keyboard. Summary of the invention

[0007] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and provide a keyboard with a thin fingerprint. After the thin fingerprint is installed on the keyboard, firstly, it is easy to debug and disassemble and repair, and secondly, the overall thickness of the keyboard is smaller and the keyboard is more beautiful.

[0008] To achieve the above-mentioned purpose, the utility model provides a keyboard with a thin fingerprint, comprising a keyboard body, a keyboard circuit board inside the keyboard body, a cover body on the top of the keyboard body, a main key function area and a numeric key function area convexly provided on the cover body, an indicator light area is provided on one side of the numeric key function area, a fingerprint installation window opened on the cover body is provided on one side of the indicator light, a thin fingerprint is connected to the keyboard circuit board, the thin fingerprint comprises a soft and hard combination thin plate, a fingerprint sensing chip arranged at one end of the soft and hard combination thin plate and a gold finger arranged at the other end of the soft and hard combination thin plate, the fingerprint sensing chip is arranged on the fingerprint installation window, the soft and hard combination thin plate is arranged inside the keyboard body, the gold finger is inserted on the keyboard circuit board, and the fingerprint sensing chip and the gold finger are electrically connected together through the soft and hard combination thin plate.

[0009] Preferably, the fingerprint sensing chip is lower than the fingerprint installation window or the fingerprint sensing chip is arranged flush with the fingerprint installation window.

[0010] Preferably, the fingerprint sensing chip includes a fingerprint acquisition module and a fingerprint recognition control module.

[0011] Preferably, a debugging circuit electrically connected to the fingerprint sensing chip is provided in the middle of the soft-hard combination thin plate.

[0012] Preferably, the soft-hard combination thin board includes a first soft-hard combination circuit board electrically connected to the fingerprint sensing chip and the debugging circuit respectively, and a second soft-hard combination circuit board electrically connected to the debugging circuit and the gold finger respectively.

[0013] Preferably, the first rigid-flexible circuit board is arranged in an inclined shape.

[0014] Preferably, a touch press switch is provided on the back of the fingerprint sensing chip, a first supporting structure is provided on the back of the debugging circuit, and a second supporting structure is provided on the back of the gold finger.

[0015] Preferably, the main key function area, the numeric key function area and the indicator light are electrically connected to the keyboard circuit board respectively.

[0016] Preferably, the keyboard further comprises keyboard trays arranged on both sides of the bottom of the keyboard body.

[0017] Preferably, it also includes a USB harness externally connected to the keyboard body or a wireless USB connector plugged into the keyboard body.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The keyboard body of the utility model is provided with a fingerprint sensing chip through the fingerprint installation window to realize the fingerprint collection and fingerprint recognition control functions. The soft-hard combination thin plate has a certain hardness to ensure the safe transportation of the circuit and avoid bending and breaking. At the same time, it has a certain flexibility and can be placed horizontally or obliquely according to the space conditions inside the keyboard body, which can greatly save the space inside the keyboard body. The gold finger is inserted on the keyboard circuit board to realize the electrical and signal connection between the fingerprint module and the keyboard circuit board.

[0020] 2. The utility model provides a keyboard with a thin fingerprint. First, the thin fingerprint is easy to disassemble and maintain on the keyboard. Second, after the thin fingerprint is installed on the keyboard, the overall thickness of the keyboard is smaller, the keyboard is lighter and more beautiful, and it better meets the portability and aesthetic needs of consumers. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is a front structural schematic diagram of a keyboard with a thin fingerprint provided in Example 1 of the utility model;

[0023] Figure 2 This is a schematic diagram of the back structure of a keyboard with a thin fingerprint provided in Example 1 of the utility model;

[0024] Figure 3 This is a schematic diagram of the front structure of a thin fingerprint provided by Embodiment 1 of the present utility model;

[0025] Figure 4 This is a schematic diagram of the back structure of a thin fingerprint provided in Example 1 of the utility model;

[0026] Figure 5 This is an application circuit diagram of a thin fingerprint sensor chip and a debugging circuit provided in Embodiment 1 of the utility model;

[0027] Figure 6 This is an application circuit diagram of a thin fingerprint gold finger and a touch press switch provided in Example 1 of the utility model.

[0028] Included in the figure are:

[0029] 1. Keyboard body; 11. Keyboard tray; 3. Cover; 4. Main key function area; 5. Number key function area; 6. Indicator light area; 7. Fingerprint installation window; 8. Thin fingerprint; 81. Fingerprint sensing chip; 82. Soft and hard combination thin board; 821. First soft and hard combination circuit board; 822. Second soft and hard combination circuit board; 824. First supporting structure; 825. Second supporting structure; 83. Debug circuit; 84. Gold finger; 9. Touch press switch. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in this embodiment of the utility model to clearly and completely describe the technical solution in this embodiment of the utility model. Obviously, the described embodiment is one embodiment of the utility model, not all embodiments of the utility model. Based on this embodiment of the utility model, all other embodiments of the utility model obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0031] See also Figures 1 to 4 The embodiment of the utility model provides a keyboard with a thin fingerprint, comprising a keyboard body 1, a keyboard circuit board inside the keyboard body 1, a cover body 3 on the top of the keyboard body 1, a main key function area 4 and a numeric key function area 5 convexly provided on the cover body 3, an indicator light area 6 is provided on one side of the numeric key function area 5, a fingerprint installation window 7 opened on the cover body 3 is provided on one side of the indicator light, a thin fingerprint 8 is connected to the keyboard circuit board, the thin fingerprint 8 comprises a soft-hard combination thin plate 82, a fingerprint sensing chip 81 arranged at one end of the soft-hard combination thin plate 82, and a gold finger 84 arranged at the other end of the soft-hard combination thin plate 82, the fingerprint sensing chip 81 is arranged on the fingerprint installation window 7, the soft-hard combination thin plate 82 is arranged inside the keyboard body 1, the gold finger 84 is inserted on the keyboard circuit board, and the fingerprint sensing chip 81 and the gold finger 84 are electrically connected together through the soft-hard combination thin plate 82.

[0032] The fingerprint sensing chip 81 is lower than the fingerprint installation window 7 or the fingerprint sensing chip 81 is arranged flush with the fingerprint installation window 7; this structural arrangement further improves the aesthetics of the keyboard.

[0033] The fingerprint sensing chip 81 includes a fingerprint collection module and a fingerprint recognition control module.

[0034] A debugging circuit 83 electrically connected to the fingerprint sensing chip 81 is provided in the middle of the soft-hard combination thin plate. The debugging circuit 83 facilitates the disassembly, assembly, maintenance and factory debugging of the thin fingerprint sensor 8.

[0035] The soft-hard combination thin board includes a first soft-hard combination circuit board 821 electrically connected to the fingerprint sensing chip 81 and the debugging circuit 83 respectively, and a second soft-hard combination circuit board 822 electrically connected to the debugging circuit 83 and the gold finger 84 respectively.

[0036] The first rigid-flexible circuit board 821 is disposed in an inclined shape.

[0037] A touch press switch 9 is provided on the back of the fingerprint sensing chip 81 , a first supporting structure 824 is provided on the back of the debugging circuit 83 , and a second supporting structure 825 is provided on the back of the gold finger 84 .

[0038] The main key function area 4, the digital key function area 5 and the indicator light are electrically connected to the keyboard circuit board respectively.

[0039] A keyboard with a thin fingerprint in an embodiment of the utility model further includes a keyboard tray 11 arranged on both sides of the bottom of the keyboard body 1, and further includes a USB harness externally connected to the keyboard body 1 or a wireless USB connector plugged into the keyboard body 1.

[0040] The advantage of a keyboard with a thin fingerprint in an embodiment of the utility model is that it is not only easy to disassemble and assemble the thin fingerprint 8 from the keyboard, but also simple and convenient to repair and debug. In addition, after the thin fingerprint 8 is installed, the overall thickness of the keyboard is smaller, the keyboard is lighter and more beautiful, and it better meets the portability and aesthetic needs of consumers. Example

[0041] See also Figures 5 and 6 The embodiment of the utility model provides an application circuit of the thin fingerprint 8 of embodiment 1:

[0042] First: the USB harness or wireless USB connector, keyboard circuit board, the first pin of the gold finger 84, and the G2, G3 and G4 pins of the fingerprint sensor chip 81 are electrically connected, wherein the G2, G3 and G4 pins of the fingerprint sensor chip 81 are respectively connected in parallel, and the common end of these three pins is connected to a voltage drop resistor. This circuit setting is used to realize the power supply of the fingerprint sensor chip 81.

[0043] Second: the USB harness or wireless USB connector, the keyboard circuit board, the second pin of the gold finger 84, and the A4 pin of the fingerprint sensing chip 81 are electrically connected, wherein the second pin of the gold finger 84 and the A4 pin of the fingerprint sensing chip 81 are connected through the BSS138 signal switch, and the A4 pin of the fingerprint sensing chip 81 is a reset function.

[0044] Third: the USB harness or wireless USB connector, the keyboard circuit board, the 8th pin of the gold finger 84, and the touch press switch 9 are electrically connected to realize the touch function of the computer.

[0045] Fourth: the A6 pin of the fingerprint sensing chip 81 is connected to the ground terminal, the B6 pin and the C7 pin of the fingerprint sensing chip 81 are connected to the ground terminal, and the A6 pin of the fingerprint sensing chip 81 is a reference level.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A keyboard with a thin fingerprint, characterized in that: The keyboard comprises a keyboard body (1), wherein the keyboard body (1) has a keyboard circuit board inside, and the top of the keyboard body (1) has a cover body (3), wherein a main key function area (4) and a numeric key function area (5) are convexly provided on the cover body (3), an indicator light area (6) is provided on one side of the numeric key function area (5), and a fingerprint installation window (7) opened on the cover body (3) is provided on one side of the indicator light, and a thin fingerprint (8) is connected to the keyboard circuit board, wherein the thin fingerprint (8) comprises a soft-hard combination thin plate (82), a fingerprint sensing chip (81) provided at one end of the soft-hard combination thin plate (82), and a gold finger (84) provided at the other end of the soft-hard combination thin plate (82), wherein the fingerprint sensing chip (81) is provided on the fingerprint installation window (7), the soft-hard combination thin plate (82) is provided inside the keyboard body (1), and the gold finger (84) is inserted on the keyboard circuit board, and the fingerprint sensing chip (81) and the gold finger (84) are electrically connected together through the soft-hard combination thin plate (82).

2. A keyboard with a thin fingerprint according to claim 1, characterized in that: The fingerprint sensing chip (81) is lower than the fingerprint installation window (7) or the fingerprint sensing chip (81) is arranged flush with the fingerprint installation window (7).

3. A keyboard with a thin fingerprint according to claim 1, characterized in that: The fingerprint sensing chip (81) comprises a fingerprint collection module and a fingerprint recognition control module.

4. A keyboard with a thin fingerprint according to claim 1, characterized in that: A debugging circuit (83) electrically connected to the fingerprint sensing chip (81) is provided in the middle of the soft-hard combination thin plate (82).

5. A keyboard with a thin fingerprint according to claim 4, characterized in that: The soft-hard combination thin plate (82) comprises a first soft-hard combination circuit board (821) electrically connected to a fingerprint sensing chip (81) and a debugging circuit (83) respectively, and a second soft-hard combination circuit board (822) electrically connected to the debugging circuit (83) and a gold finger (84) respectively.

6. A keyboard with a thin fingerprint according to claim 5, characterized in that: The first rigid-flexible circuit board (821) is arranged in an inclined shape.

7. A keyboard with a thin fingerprint according to claim 4, characterized in that: A touch press switch (9) is provided on the back of the fingerprint sensing chip (81), a first supporting structure (824) is provided on the back of the debugging circuit (83), and a second supporting structure (825) is provided on the back of the gold finger (84).

8. The keyboard with thin fingerprint according to claim 1, characterized in that: The main key function area (4), the digital key function area (5) and the indicator light are electrically connected to the keyboard circuit board respectively.

9. A keyboard with a thin fingerprint according to claim 1, characterized in that: It also includes a keyboard tray (11) arranged on both sides of the bottom of the keyboard body (1).

10. A keyboard with a thin fingerprint according to claim 1, characterized in that: It also includes a USB harness externally connected to the keyboard body (1) or a wireless USB connector plugged into the keyboard body (1).

Images