POWER AND DATA TRANSMISSION SYSTEM AND METHOD

• US 20170033836A1
• Filed: 03/17/2015
• Published: 02/02/2017
• Est. Priority Date: 04/14/2014
• Status: Active Grant

• Current Assignee: Philip Morris Products SA (Philip Morris Limited)
• Original Assignee: Philip Morris Products SA (Philip Morris Limited)
• Inventors: BERNAUER, Dominique, FERNANDO, Felix
• Granted Patent: US 10,461,807 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A24F 40/20 Devices using solid inhalable precursors
• CPC Class Codes: A24F 40/40 Constructional details, e.g. connection of cartridges and battery parts
• CPC Class Codes: A24F 40/95 structurally associated with cases
• CPC Class Codes: H04B 3/54 Systems for transmission via power distribution lines
• CPC Class Codes: H05B 1/0244 Heating of fluids H05B1/0247 takes precedence
• CPC Class Codes: H05B 2203/021 Heaters specially adapted for heating liquids

Abstract

There is provided a system for transmitting power and data from a host device to a receiver device over an electrical connection, including a host device configured to transmit power and data through an output, and configured to transmit the power through the output at different times to the data; a receiver device having an input connectable to the output of the host device, the receiver device including a power receiving circuit, a data receiving circuit, and a switch element configured to connect the input to the power receiving circuit or the data receiving circuit dependent on a voltage of a signal received from the input. There is also provided a receiver device for receiving power and data from the host device.

Claims

1. A handheld, battery powered, electrically operated aerosol-generating device, comprising:

an input connectable to a host device;

a power receiving circuit;

a data receiving circuit; and

a switch element configured to connect the input to the power receiving circuit or to the data receiving circuit dependent on a voltage of a signal received at the input,

wherein the device is configured to receive power and data from the host device over a single pair of electrical contacts.

2. A system, comprising:

a host device configured to transmit power and data through an output, the host device being further configured to transmit the power through the output at different times than the data; and

an electrically operated aerosol-generating device according to claim 1, comprising;

an input connectable to the host device;

a power receiving circuit;

a data receiving circuit; and

a switch element configured to connect the input to the power receiving circuit or to the data receiving circuit dependent on a voltage of a signal received at the input,

wherein the system is configured to transmit the power and the data from the host device to the electrically operated aerosol-generating device over an electrical connection through a single pair of electrical contacts.

3. The system according to claim 2, wherein the switch element is further configured to switch from a first state to a second state when the voltage at the input is above a first voltage threshold.

4. The system according to claim 3, wherein the switch element is further configured to switch from the second state to the first state when the voltage at the input is below a second voltage threshold.

5. The system according to claim 4, wherein the second voltage threshold is lower than the first voltage threshold.

6. The system according to claim 3, wherein the first state is a connection to the data receiving circuit.

7. The system according to claim 3, wherein the first state is a disconnection from the power receiving circuit

8. The system according to claim 4, wherein the second state is a connection to the power receiving circuit.

9. The system according to claim 3, wherein the first voltage threshold is between 1 Volt and 30 Volts.

10. The system according to claim 4, wherein the data receiving circuit is configured to determine logic levels in the data by comparing an input voltage with a third threshold voltage.

11. The system according to claim 1, wherein the host device is a battery charging device.

14. The electrically operated aerosol-generating device according to claim 1, wherein the switch element is further configured to switch from a first state to a second state when the voltage at the input is above a first voltage threshold.

15. The electrically operated aerosol-generating device according to claim 14, wherein the switch element is further configured to switch from the second state to the first state when the voltage at the input is below a second voltage threshold.

16. The electrically operated aerosol-generating device according to claim 15, wherein the second voltage threshold is lower than the first voltage threshold.

17. The electrically operated aerosol-generating device according to claim 14, wherein the first state is a connection to the data receiving circuit.

18. The electrically operated aerosol-generating device according to claim 14, wherein the first state is a disconnection from the power receiving circuit.

19. The electrically operated aerosol-generating device according to claim 15, wherein the second state is a connection to the power receiving circuit

20. The electrically operated aerosol-generating device according to claim 14, wherein the first voltage threshold is between 1 Volt and 30 Volts.

12. A method for receiving power and data from a host device at an electrically operated aerosol-generating device having a power receiving circuit and a data receiving circuit over an electrical connection through a single pair of electrical contacts, comprising:

receiving at an input an electrical signal from the host device; and

performing a comparison of a voltage of the input signal received at the input with a threshold voltage; and

connecting or disconnecting the input and the power receiving circuit or the data receiving circuit dependent on a result of the comparison.

13. The method according to claim 12, wherein the performing the comparison is performed continuously while the electrical signal is being received at the input.