DIGITAL RADIO SYSTEMS AND METHODS

• US 20090180579A1
• Filed: 01/05/2009
• Published: 07/16/2009
• Est. Priority Date: 01/04/2008
• Status: Active Grant

• Current Assignee: 3D Radio, LLC
• Original Assignee: 3D Radio, LLC
• Inventors: ELLIS, Michael D.
• Granted Patent: US 8,868,023 B2
• Time in Patent Office: Days
• US Class Current: 375/345
• CPC Class Codes: G06F 1/3212 Monitoring battery levels, e.g. power saving mode being initiated when battery voltage goes below a certain level
• CPC Class Codes: G06F 1/324 by lowering clock frequency
• CPC Class Codes: G06F 1/3275 Power saving in memory, e.g. RAM, cache
• CPC Class Codes: G06F 1/3287 by switching off individual functional units in the computer system
• CPC Class Codes: G06Q 30/0251 Targeted advertisements
• CPC Class Codes: H04B 5/72 for local intradevice communication
• CPC Class Codes: H04H 20/62 for transportation systems, e.g. in vehicles
• CPC Class Codes: H04H 20/71 Wireless systems
• CPC Class Codes: H04H 40/09 Arrangements for receiving desired information automatically according to timetables
• CPC Class Codes: H04H 60/35 Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
• CPC Class Codes: H04H 60/74 using programme related information, e.g. title, composer or interpreter
• CPC Class Codes: H04M 1/6091 including a wireless interface
• CPC Class Codes: H04M 1/72442 for playing music files
• CPC Class Codes: H04M 1/72448 with means for adapting the functionality of the device according to specific conditions
• CPC Class Codes: H04N 21/426 Internal components of the client ; Characteristics thereof H04N5/44 takes precedence
• CPC Class Codes: H04W 4/40 for vehicles, e.g. vehicle-to-pedestrians [V2P]
• CPC Class Codes: H04W 4/48 for in-vehicle communication
• CPC Class Codes: H04W 52/028 switching on or off only a part of the equipment circuit blocks
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A system, apparatus, method, and media directed to power control in the field of digital radio systems are provided. For example, an apparatus, method, or medium can be implemented to enter a radio into lower power mode, store radio programming with reduced functionality, and resume normal power mode.

Claims

1. A method for use in a digital multi-tuner radio system for power management of the radio system, comprising:

determining that low power mode is required;

determining low power parameters;

causing the radio system to enter low power mode;

storing radio programming with reduced functionality when in lower power mode;

determining that normal power mode is required; and

causing the radio system to enter normal power mode.

2. The method of claim 1 in which the determining that low power mode is required comprises determining that the radio system has been turned off.

3. The method of claim 1 in which the determining that low power mode is required comprises determining a time prior to a planned turn on time.

4. The method of claim 1 in which the determining that low power mode is required comprises continuously determining the lowest power mode required.

5. The method of claim 1 in which the determining low power parameters comprises measuring a battery voltage.

6. The method of claim 1 in which the determining low power parameters comprises determining user specified radio stations preferences or history.

7. The method of claim 1 in which causing the radio system to enter low power mode comprises putting a device or circuit into a low-power-consumption mode.

8. The method of claim 1 in which causing the radio system to enter low power mode comprises removing power from a device or circuit.

9. The method of claim 1 in which causing the radio system to enter low power mode comprises reconfiguring a device or circuit.

10. The method of claim 1 in which causing the radio system to enter low power mode comprises reallocating a processing task from a first processor to a second processor.

11. The method of claim 1 in which causing the radio system to enter low power mode comprises using a lower clock speed for a device or circuit.

12. The method of claim 1 in which storing radio programming with reduced functionality when in lower power mode comprises monitoring fewer radio stations.

13. The method of claim 1 in which storing radio programming with reduced functionality when in lower power mode comprises monitoring fewer types of radio stations.

14. The method of claim 1 in which storing radio programming with reduced functionality when in lower power mode comprises using less memory.

15. The method of claim 1 in which storing radio programming with reduced functionality when in lower power mode comprises using a different compression algorithm.

16. The method of claim 1 in which storing radio programming with reduced functionality when in lower power mode comprises disabling all audio processing processors and using direct memory access to store digitized audio data.

17. The method of claim 1 in which storing radio programming with reduced functionality when in lower power mode comprises storing audio data of a lower quality.

18. The method of claim 1 further comprising disallowing one or more features using the data stored while in the low power mode after the normal power mode has been entered.