Logical battery partitions configured by user interface

• US 8,356,199 B2
• Filed: 12/30/2010
• Issued: 01/15/2013
• Est. Priority Date: 02/01/2007
• Status: Active Grant

• Current Assignee: Google LLC (Alphabet Inc.)
• Original Assignee: Google Inc. (Alphabet Inc.)
• Inventors: Bell, Jory
• Primary Examiner(s): WANG, ALBERT C
• Application Number:
  US12/982,162
• Publication Number:
  US 20110099406A1
• Time in Patent Office: 747 Days
• Field of Search: 455/574, 713/320, 713/340
• US Class Current: 713/340
• CPC Class Codes: G06F 9/5094 where the allocation takes into account power or heat criteria power management in computers in general G06F1/3203; thermal management in computers in general G06F1/206
• CPC Class Codes: H02J 7/0024 Parallel/serial switching of connection of batteries to charge or load circuit
• CPC Class Codes: H02J 7/0063 with circuits adapted for supplying loads from the battery
• CPC Class Codes: H02J 7/00712 the cycle being controlled or terminated in response to electric parameters
• CPC Class Codes: Y10S 715/965 for process control and configuration

Abstract

A logical battery partitioning approach is disclosed. In one embodiment, a power management system in a portable computing device having a plurality of subsystems can include: (i) a battery coupled to a plurality of subsystems; (ii) a first battery variable provided to a first subsystem to indicate a characteristic of a first logical battery partition; and (iii) a second battery variable provided to a second subsystem to indicate a characteristic of a second logical battery partition. A battery variable can include an accessibility control, or a percent of battery power available, for example.

Claims

1. A power management system in a portable computing device, the portable computing device including a plurality of subsystems including hardware resources, the power management system comprising:

a battery having a plurality of logical battery partitions coupled to the plurality of subsystems;

a first battery variable provided to a first subsystem of the plurality of subsystems to indicate a first characteristic of a first logical battery partition of the plurality of logical partitions, the first characteristic indicating whether power is available to the first subsystem;

a second battery variable provided to a second subsystem of the plurality of subsystems to indicate a second characteristic of a second logical battery partition of the plurality of logical partitions, the second characteristic indicating whether power is available to the second subsystem; and

a user interface providing a control to set a first priority of the first subsystem and a second priority of the second subsystem, wherein the first characteristic indicates whether power is available to the first subsystem based upon the first priority.

2. A power management system as recited in claim 1, wherein the second characteristic indicates whether power is available to the first subsystem based upon the first priority.

3. A power management system as recited in claim 2, wherein the plurality of subsystems are mapped to the plurality of logical battery partitions such that power is supplied to the first subsystem through the first logical partition based upon the charged state of the battery and the first priority.

4. A power management system as recited in claim 3, wherein the plurality of subsystems are mapped to the plurality of logical battery partitions such that power is supplied to the second subsystem through the second logical partition based upon the charged state of the battery and the second priority.

5. A power management system as recited in claim 1, wherein the first subsystem comprises a subsystem selected from the set comprising:

a graphical display subsystem, an audio subsystem, a predictive dialing subsystem, a power access subsystem, a charge/discharge subsystem, and an accessibility control subsystem.

6. A power management system as recited in claim 1, wherein the first battery variable relates to an item selected from the group consisting of:

a charge control, a discharge control, a percentage of remaining battery power, and an accessibility control.

7. A power management system as recited in claim 1, wherein the battery includes a capacitor.

8. A power management system as recited in claim 1, wherein the plurality of subsystems includes a shared hardware resource.

9. A method performed within a portable computing device, the portable computing device including a plurality of subsystems including hardware resources and a battery having a plurality of logical battery partitions coupled to the plurality of subsystems, said method comprising:

receiving a first battery variable for a first subsystem of the plurality of subsystems to indicate a first characteristic of a first logical battery partition of the plurality of logical partitions, the first characteristic indicating whether power is available to the first subsystem;

receiving a second battery variable provided for a second subsystem of the plurality of subsystems to indicate a second characteristic of a second logical battery partition of the plurality of logical partitions, the second characteristic indicating whether power is available to the second subsystem; and

receiving, via a user interface, a first priority of the first subsystem and a second priority of the second subsystem, wherein the first characteristic indicates whether power is available to the first subsystem based upon the first priority.

10. A method as recited in claim 9, wherein the second characteristic indicates whether power is available to the first subsystem based upon the first priority.

11. A method as recited in claim 10, wherein the plurality of subsystems are mapped to the plurality of logical battery partitions such that power is supplied to the first subsystem through the first logical partition based upon the charged state of the battery and the first priority.

12. A method as recited in claim 11, wherein the plurality of subsystems are mapped to the plurality of logical battery partitions such that power is supplied to the second subsystem through the second logical partition based upon the charged state of the battery and the second priority.

13. A method as recited in claim 9, wherein the first subsystem comprises a subsystem selected from the set comprising:

a graphical display subsystem, an audio subsystem, a predictive dialing subsystem, a power access subsystem, a charge/discharge subsystem, and an accessibility control subsystem.

14. A power management system as recited in claim 9, wherein the first battery variable relates to an item selected from the group consisting of:

a charge control, a discharge control, a percentage of remaining battery power, and an accessibility control.

15. A power management system as recited in claim 9, wherein the battery includes a capacitor.

16. A power management system as recited in claim 9, wherein the plurality of subsystems includes a shared hardware resource.