Method and system for obtaining ambient temperatures

• US 20060043937A1
• Filed: 08/31/2004
• Published: 03/02/2006
• Est. Priority Date: 08/31/2004
• Status: Abandoned Application

• Current Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Original Assignee: Motorola, Inc. (Motorola Solutions, Inc.)
• Inventors: Patino, Joseph, Simpson, Russell L.
• Application Number:
  US10/930,559
• Publication Number:
  US 20060043937A1
• Time in Patent Office: Days
• US Class Current: 320/150
• CPC Class Codes: H02J 7/00308 Overvoltage protection
• CPC Class Codes: H02J 7/00309 Overheat or overtemperature protection
• CPC Class Codes: H02J 7/0031 using battery or load disconnect circuits H02J9/002 takes precedence

Abstract

The invention concerns a method (300) and system (100) for obtaining ambient temperatures. The method can include the steps of coupling (312) an accessory (112) having a first temperature monitor (170) to a portable electronic device (110), operating (314) a power source (114) of the portable electronic device and monitoring (318) an ambient temperature with the first temperature monitor and a temperature of the power source. The method can also include the steps of discontinuing (322) operation of the power source if the temperature of the power source reaches a predetermined threshold and reinitiating (328) the operation of the power source if it is determined (324) that the ambient temperature was within a predetermined range of the predetermined threshold and that the ambient temperature is outside the predetermined range.

Claims

1. A method for obtaining ambient temperatures, comprising the steps of:

coupling an accessory having a first temperature monitor to a portable electronic device;

operating a power source of the portable electronic device;

monitoring an ambient temperature with the first temperature monitor and a temperature of the power source;

discontinuing operation of the power source if the temperature of the power source reaches a predetermined threshold; and

reinitiating the operation of the power source if it is determined that the ambient temperature was within a predetermined range of the predetermined threshold and that the ambient temperature is outside the predetermined range.

2. The method according to claim 1, wherein the power source includes a second temperature monitor and the monitoring the temperature of the power source comprises monitoring the temperature of the power source with the second temperature monitor.

3. The method according to claim 1, wherein the operating a power source step comprises at least one of charging the power source and discharging the power source.

4. The method according to claim 1, wherein the first temperature monitor is a first thermistor and the second temperature monitor is a second thermistor.

5. The method according to claim 4, wherein the first thermistor is coupled to an audio line having a speaker and shares a contact with the audio line.

6. The method according to claim 4, wherein the monitoring an ambient temperatures step comprises comparing a calculated resistance of the first thermistor with a set of predetermined values in a memory.

7. The method according to claim 1, further comprising the steps of:

monitoring a user temperature with the first temperature monitor; and

providing the user temperature to a user through a user interface section of the portable electronic device.

8. The method according to claim 1, wherein the accessory is at least one of a headset and a speaker enclosure.

9. A system for obtaining ambient temperatures, comprising:

a portable electronic device having a power source, wherein the power source is attachable to and provides power to the portable electronic device; and

an accessory, wherein the accessory is attachable to the portable electronic device and the accessory has a first temperature monitor and the portable electronic device further includes a second temperature monitor and a processor, wherein the second temperature monitor is coupled to the processor;

wherein the processor is programmed to;

operate the power source of the portable electronic device;

monitor an ambient temperature through the first temperature monitor and a temperature of the power source through the second temperature monitor;

discontinue operation of the power source if the temperature of the power source reaches a predetermined threshold; and

reinitiate the operation of the power source if the processor determines that the ambient temperature was within a predetermined range of the predetermined threshold and that the ambient temperature is outside the predetermined range.

10. The system according to claim 9, wherein the processor is further programmed to operate the power source by at least one of permitting the charging of the power source and permitting the discharging of the power source.

11. The system according to claim 9, wherein the first temperature monitor is a first thermistor and the second temperature monitor is a second thermistor.

12. The system according to claim 11, wherein the accessory further comprises an audio line having a speaker and a contact and the first thermistor is coupled to the audio line and shares the contact with the audio line.

13. The system according to claim 11, wherein the portable electronic device further comprises a memory having a set of predetermined values and wherein the processor is further programmed to compare a calculated resistance of the first thermistor with the set of predetermined values.

14. The system according to claim 9, wherein the portable electronic device further includes a user interface section and the processor is further programmed to monitor a user temperature through the first temperature monitor and to provide the user temperature to a user through the user interface section.

15. The system according to claim 9, wherein the accessory is at least one of a headset and a speaker enclosure.

16. An accessory for obtaining ambient temperatures, comprising:

a first temperature monitor for measuring an ambient temperature; and

a user interface line;

wherein the accessory is attachable to a portable electronic device having a power source, wherein the portable electronic device monitors an ambient temperature through the first temperature monitor and discontinues operation of the power source if the temperature of the power source reaches a predetermined threshold and reinitiates the operation of the power source if the ambient temperature was within a predetermined range of the predetermined threshold and the ambient temperature is outside the predetermined range.

17. The accessory according to claim 16, wherein the first temperature monitor measures a temperature of a user and the portable electronic device provides the user with the measured temperature.

18. The accessory according to claim 16, wherein the user interface line is an audio line having a speaker and a contact, wherein the first temperature monitor is coupled to the audio line and shares the contact with the audio line.

19. An accessory for measuring temperature, comprising:

a user interface line, wherein the user interface line contains at least one user interface component that can perform one of providing information to or receiving information from a user, wherein the user interface line also includes a contact; and

a temperature monitor, wherein the temperature monitor is used to measure temperature and wherein the temperature monitor is coupled to the user interface line and shares the contact with the user interface line.

20. The accessory according to claim 19, wherein the temperature monitor is a thermistor, the user interface line is an audio line and the user interface component is a speaker and wherein the thermistor is used to measure an ambient temperature.