Electronic switch for simulating a mechanical rocker switch
View Patent ↗The present disclosure relates to an electronic switch for simulating a mechanical rocker switch having a determined current-interrupting capacity, the electronic switch being configured to supply power to an electronic device using an input voltage, and comprises a tact switch for the generation of a control signal, a bistable circuit whose output state depends on said control signal, a switching circuit adapted to the opening and to the closing of a power supply line supplying power to the device, which device consumes a current less than or equal to said determined interrupting capacity, a memory circuit comprising a reservoir capacitor, the tact switch being configured to control opening and closing of the switching circuit and the memory circuit being adapted to the storage of an “open” or a “closed” mechanical position of the electronic switch for a predetermined duration according to the reservoir capacitor.
1. An electronic switch for simulating a mechanical rocker switch having a current-interrupting capacity, said electronic switch being configured to supply power to an electronic device consuming a current less than or equal to said interrupting capacity, using an input voltage, said electronic switch comprising:
a tact switch for the generation of a control signal,
a bistable circuit whose output state depends on said control signal,
a switching circuit adapted to an opening and to a closing of a power supply line supplying power to said electronic device, said switching circuit comprising a P-channel MOSFET transistor,
a memory circuit comprising a reservoir capacitor,
said tact switch being configured to control opening and closing of said switching circuit.
2. The electronic switch according to claim 1 , wherein said memory circuit is adapted to a storage of an “open” or a “closed” mechanical position of said electronic switch for a duration according to said reservoir capacitor.
3. The electronic switch according to claim 1 , wherein a current-interrupting capacity of said tact switch is less than said current-interrupting capacity of said electronic switch.
4. The electronic switch according to claim 1 being adapted to store autonomously said mechanical position of said simulated switch for said duration in an event of disappearance of said input voltage.
5. An electronic circuit for simulating a mechanical state-retaining switch, said electronic circuit being configured to supply power to an electronic device, using an input voltage, said electronic circuit comprising:
a tact switch for a generation of a control signal,
a bistable circuit whose output state depends on said control signal,
a switching circuit adapted to an opening and to a closing of a power supply line supplying power to said electronic device, said switching circuit comprising a semi-conductor switching element, said bistable circuit being configured to control said switching circuit wherein, said electronic circuit is adapted to maintain a state of said semi-conductor switching element during a disappearance then a reappearance of said input voltage.
6. The electronic circuit according to claim 5 , wherein said tact switch has a current-interrupting capacity less than a current-interrupting capacity of said electronic circuit.
7. The electronic circuit according to claim 6 , wherein said current-interrupting capacity of said tact switch is 100 or 1000 time less than said current-interrupting capacity of said electronic circuit.
8. The electronic circuit according to claim 5 , wherein said electronic circuit is adapted to store autonomously a position of said mechanical state-retaining switch in an event of disappearance of said input voltage.
9. The electronic circuit according to claim 5 , wherein said semi-conductor switching element is a P-channel MOSFET transistor.
10. The electronic circuit according to claim 5 , wherein said electronic circuit comprises a memory circuit adapted to a storage of the opening or the closing of said power supply line when said input voltage disappears.
11. The electronic circuit according to claim 10 , wherein said memory circuit is adapted to the storage of the opening or the closing of said power supply line for a duration depending on a discharge of a memory capacitor of said memory circuit.
12. The electronic circuit according to claim 10 , wherein said electronic circuit is adapted to control said bistable circuit, during a disappearance then a reappearance of said input voltage, according to said stored opening or closing.
13. The electronic circuit according to claim 5 , comprising an anti-bounce circuit.
14. The electronic circuit according to claim 5 , wherein said supplied power is of DC type.
15. The electronic circuit according to claim 10 , wherein said memory circuit is adapted to store the opening or the closing of said power line without requiring a use of a microcontroller associated with a non-volatile memory.