Mechanical switch for an information handling system
View Patent ↗Systems and methods are disclosed for a mechanical switch that may include receiving an input from a user of a smart keyboard causing the mechanical switch to be in a closed position causing a microcontroller unit to be in an on state and the smart keyboard to be electrically enabled for use; monitoring the smart keyboard for additional input from the user; determining if a first threshold period has occurred in which the additional input from the user has ended; causing the microcontroller unit to be in an idle state; determining if a second threshold period has occurred in which the first threshold period has ended; causing the mechanical switch of the smart keyboard to be in an open position causing the microcontroller unit to be in an off state and the smart keyboard to be electrically disabled for use.
1. A smart keyboard for an information handling system, the smart keyboard comprising:
at least one battery;
a microcontroller unit having an on state and an off state;
a mechanical switch electrically coupling the at least one battery to the microcontroller unit, the mechanical switch having an open position causing the microcontroller unit to be in the off state and a closed position causing the microcontroller unit to be in the on state, the mechanical switch including:
a printed circuit board (PCB) having a first PCB end and a second PCB end;
a switch slide plate slidably coupled to the PCB, the switch slide plate configured to slide toward the first PCB end of the PCB causing the mechanical switch to be in the closed position and to slide toward the second PCB end of the PCB causing the mechanical switch to be in the open position;
a switch slide spring configured to pull the switch slide plate toward the first PCB end of the PCB causing the mechanical switch to be in the closed position in response to the smart keyboard receiving an input from a user of the information handling system; and
a wire actuator comprised of a semi-rigid material configured to pull the switch slide plate toward the second PCB end of the PCB causing the mechanical switch to be in the open position in response to receiving power from the at least one battery.
2. The smart keyboard of claim 1 , wherein the on state of the microcontroller unit causes the smart keyboard to be electrically enabled for use and the off state of the microcontroller unit causes the smart keyboard to be electrically disabled for use.
3. The smart keyboard of claim 1 , wherein the switch slide plate includes:
a switch lock pin configured to:
lock the mechanical switch in the open position by fitting within a switch lock socket of smart keyboard, wherein locking the mechanical switch in the open position prevents the switch slide spring from pulling the switch slide plate toward the first PCB end of the PCB; and
unlock the mechanical switch from the open position by ejecting from the switch lock socket in response to receiving a downward force applied on the switch lock pin by the input from the user, wherein unlocking the mechanical switch from the open position allows the switch slide spring to pull the switch slide plate toward the first PCB end of the PCB causing the mechanical switch to be in the closed position.
4. The smart keyboard of claim 1 , wherein the input from the user of the information handling system comprises at least one keystroke entered into the smart keyboard by the user.
5. The smart keyboard of claim 4 , wherein the at least one keystroke comprises a keystroke of a spacebar key of the smart keyboard.
6. The smart keyboard of claim 1 , wherein the switch slide plate includes:
a switch contact finger configured to:
electrically couple with one or more contact pads of the mechanical switch when the switch slide plate is in the closed position causing the microcontroller unit to be in the on state; and
electrically decouple from the one or more contact pads when the switch slide plate is in the open position causing the microcontroller unit to be in the off state.
7. The smart keyboard of claim 1 , wherein the microcontroller is configured to:
monitor the smart keyboard for an additional input from the user;
determine if a first threshold period has occurred, the first threshold period comprising a period of time in which the additional input from the user has ended; and
in response to determining that the first threshold period has occurred:
cause the microcontroller unit to be in an idle state;
determine if a second threshold period has occurred, the second threshold period comprising a period of time in which the first threshold period has ended; and
in response to determining that the second threshold period has occurred:
transmit a signal to the at least one battery, the signal causing the at least one battery to provide power to the wire actuator, the provided power causing the semi-rigid material comprising the wire actuator to pull the switch slide plate toward the second PCB end of the PCB causing the mechanical switch to be in the open position.
8. The smart keyboard of claim 1 , wherein the semi-rigid material is a shape-memory alloy.
9. The mechanical switch of claim 1 , wherein the semi-rigid material is a shape-memory alloy.
10. A method for electrically enabling and electrically disabling a smart keyboard for an information handling system using a mechanical switch, the method comprising:
receiving, by the smart keyboard, an input from a user of the information handling system, the input from the user causing the mechanical switch of the smart keyboard to be in a closed position, the closed position causing a microcontroller unit of the smart keyboard to be in an on state, the microcontroller unit in the on state causing the smart keyboard to be electrically enabled for use;
monitoring, by the microcontroller unit, the smart keyboard for an additional input from the user;
determining if a first threshold period has occurred, the first threshold period comprising a period of time in which the additional input from the user has ended; and
in response to determining that the first threshold period has occurred:
causing the microcontroller unit to be in an idle state;
determining if a second threshold period has occurred, the second threshold period comprising a period of time in which the first threshold period has ended; and
in response to determining that the second threshold period has occurred:
causing the mechanical switch of the smart keyboard to be in an open position, the open position causing the microcontroller unit to be in an off state, the microcontroller unit in the off state causing the smart keyboard to be electrically disabled for use.
11. The method of claim 10 , wherein the mechanical switch includes:
a printed circuit board (PCB) having a first PCB end and a second PCB end;
a switch slide plate slidably coupled to the PCB, the switch slide plate configured to slide toward the first PCB end of the PCB causing the mechanical switch to be in the closed position and to slide toward the second PCB end of the PCB causing the mechanical switch to be in the open position;
a switch slide spring configured to pull the switch slide plate toward the first PCB end of the PCB causing the mechanical switch to be in the closed position in response to the smart keyboard receiving an input from a user of the information handling system; and
a wire actuator comprised of a semi-rigid material configured to pull the switch slide plate toward the second PCB end of the PCB causing the mechanical switch to be in the open position in response to receiving power from at least one battery of the smart keyboard.
12. The method of claim 11 , wherein the switch slide plate includes:
a switch lock pin configured to:
lock the mechanical switch in the open position by fitting within a switch lock socket of smart keyboard, wherein locking the mechanical switch in the open position prevents the switch slide spring from pulling the switch slide plate toward the first PCB end of the PCB; and
unlock the mechanical switch from the open position by ejecting from the switch lock socket in response to receiving a downward force applied on the switch lock pin by the input from the user, wherein unlocking the mechanical switch from the open position allows the switch slide spring to pull the switch slide plate toward the first PCB end of the PCB causing the mechanical switch to be in the closed position.
13. The method of claim 11 , wherein the switch slide plate includes:
a switch contact finger configured to:
electrically couple with one or more contact pads of the mechanical switch when the switch slide plate is in the closed position causing the microcontroller unit to be in the on state; and
electrically decouple from the one or more contact pads when the switch slide plate is in the open position causing the microcontroller unit to be in the off state.
14. The method of claim 10 , wherein the input from the user of the information handling system comprises at least one keystroke entered into the smart keyboard by the user.
15. The method of claim 14 , wherein the at least one keystroke comprises a keystroke of a spacebar key of the smart keyboard.
16. A mechanical switch of a smart keyboard of an information handling system, the mechanical switch comprising:
a printed circuit board (PCB) having a first PCB end and a second PCB end;
a switch slide plate slidably coupled to the PCB, the switch slide plate configured to slide toward the first PCB end of the PCB causing the mechanical switch to be in a closed position and to slide toward the second PCB end of the PCB causing the mechanical switch to be in an open position;
a switch slide spring configured to pull the switch slide plate toward the first PCB end of the PCB causing the mechanical switch to be in the closed position in response to the smart keyboard receiving an input from a user of the information handling system; and
a wire actuator comprised of a semi-rigid material configured to pull the switch slide plate toward the second PCB end of the PCB causing the mechanical switch to be in the open position in response to receiving power from at least one battery of the smart keyboard.
17. The mechanical switch of claim 16 , wherein the switch slide plate includes:
a switch lock pin configured to:
lock the mechanical switch in the open position by fitting within a switch lock socket of smart keyboard, wherein locking the mechanical switch in the open position prevents the switch slide spring from pulling the switch slide plate toward the first PCB end of the PCB; and
unlock the mechanical switch from the open position by ejecting from the switch lock socket in response to receiving a downward force applied on the switch lock pin by the input from the user, wherein unlocking the mechanical switch from the open position allows the switch slide spring to pull the switch slide plate toward the first PCB end of the PCB causing the mechanical switch to be in the closed position.
18. The mechanical switch of claim 16 , wherein the input from the user of the information handling system comprises at least one keystroke entered into the smart keyboard by the user.
19. The mechanical switch of claim 18 , wherein the at least one keystroke comprises a keystroke of a spacebar key of the smart keyboard.
20. The mechanical switch of claim 16 , wherein the switch slide plate includes:
a switch contact finger configured to:
electrically couple with one or more contact pads of the mechanical switch when the switch slide plate is in the closed position; and
electrically decouple from the one or more contact pads when the switch slide plate is in the open position.