Adjustable keyboard

[0018] exist figure 1 , figure 2 In the first embodiment shown, the adjustable keyboard includes a base shell 1, a support plate 11 is formed at the bottom of the base shell 1, and a circuit film 2 is provided on the support plate 11; each switch node of the circuit film 2 A button hole 10 is provided above, and a button 3 is arranged in the button hole 10; a button magnet 31 magnetized in a vertical direction is included in the button 3, and a conductive rubber 32 is provided at the bottom of the button 3; When the rubber 32 presses the switch node of the circuit film 2, the switch node is turned on. The circuit film 2, the conductive rubber 32, and the mechanism of action between them are traditional component structures, consistent with traditional keyboards.

[0019] The bottom of the four corners of the base shell 1 is provided with an adjusting nut 4 respectively, and the adjusting nut 4 can adjust the length of the screw hole 40 extending into the bottom of the base ...

[0023] exist image 3 In the shown embodiment 2, the adjustable keyboard includes a base shell 1, a support plate 11 is formed at the lower part of the base shell 1; key holes 10 are provided above the support plate 11; keys 3 are provided in each key hole 10; The button 3 includes a section of button magnet 31 magnetized in the vertical direction; the button 3 is also sealed with an LC oscillating circuit 34, and the coil of the LC oscillating circuit 34 is wound on the button magnet 31; and The LC oscillating circuit 34 in each key 3 has different resonant frequencies; the adjustable keyboard also includes a frequency modulation receiving module (not shown), and the frequency modulation receiving module has the same number of keys as the adjustable keyboard. receiving channels to identify the electromagnetic signals sent by each button 3; for example, if the adjustable keyboard has N buttons 3, the FM receiving module has N receiving channels, and each receiving channel is c...