Source: https://patents.google.com/patent/US10061379B2/en
Timestamp: 2019-07-19 20:17:30
Document Index: 111723377

Matched Legal Cases: ['art 1', 'art 2', 'art 3', 'art 4', 'art 5', '§ 282']

US10061379B2 - Power increase based on packet type - Google Patents
Power increase based on packet type Download PDF
US10061379B2
US10061379B2 US14/977,612 US201514977612A US10061379B2 US 10061379 B2 US10061379 B2 US 10061379B2 US 201514977612 A US201514977612 A US 201514977612A US 10061379 B2 US10061379 B2 US 10061379B2
US14/977,612
US20160126910A1 (en
Steve F. Holmgren
John L. Macfarlane
2004-05-15 Priority to US10/845,805 priority Critical patent/US8024055B1/en
2011-08-18 Priority to US13/212,889 priority patent/US8843224B2/en
2014-08-21 Priority to US14/465,417 priority patent/US9252721B2/en
2014-10-21 First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44587129&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US10061379(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
2015-12-21 Application filed by Sonos Inc filed Critical Sonos Inc
2015-12-21 Priority to US14/977,612 priority patent/US10061379B2/en
2016-05-05 Publication of US20160126910A1 publication Critical patent/US20160126910A1/en
2018-08-28 Publication of US10061379B2 publication Critical patent/US10061379B2/en
2024-05-15 Anticipated expiration legal-status Critical
H03F21/00—Amplifiers not covered by groups H03F3/00 - H03F19/00
Techniques for controlling one or more audio amplifiers in or associated with a device coupled on a local area network are disclosed. The device receives at least one selected source from other devices also coupled on the network According to one aspect of the techniques, an automatic shutdown control module is provided in the device to power down the audio amplifiers when there is no audio data flow coming to the device or power up the audio amplifiers when there is audio data flow coming to the device. In one embodiment, the procedure to power down or power up the amplifiers is in accordance with a hysteresis, wherein the hysteresis, being lagging of an effect behind its cause, protects the amplifiers and makes the powering-down or powering-up procedure unnoticeable to a user.
This application is a continuation of and claims priority to U.S. patent application 14/465,417 titled “Method and System for Controlling Amplifiers,” which was filed on Aug. 21, 2014 and is currently pending; the Ser. No. 14/465,417 application is a continuation of and claims priority to U.S. patent application Ser. No. 13/212,889 titled “Method and System for Controlling Amplifiers,” which was filed on Aug. 18, 2011 and was issued on Sep. 23, 2014 as U.S. Pat. No. 8,843,224; and the Ser. No. 13/212,889 application is a continuation of and claims priority to U.S. patent application Ser. No. 10/845,805 titled “Method and System for Controlling Amplifiers,” which was filed on May 15, 2004 and was issued on Sep. 20, 2011 as U.S. Pat. No. 8,024,055. The entire contents of the Ser. Nos. 14/465,417; 13/212,889; and 10/845,805 applications are incorporated herein by reference for all purposes.
The Background of Related Art
All types of traffic may be present on a local area network, including data other than those from an audio source. The present invention relies upon traffic of only the data from one or more audio sources to control the operation of audio amplifiers. When audio traffic to a device is absent for a defined time, an audio amplifier in or associated with the device is automatically powered down. The defined time may be a fixed time or derived from a set of data collected over a time period regarding a time lapse not intended for powering down the audio amplifier.
The present invention pertains to designs of controlling one or more audio amplifiers in or associated with a device coupled on a local area network and receiving at least one selected source from other devices also coupled on the network. The device may be an audio device for playing back audio resources stored on the other devices. According to one aspect of the present invention, an automatic shutdown control module is provided in the device to power down the audio amplifiers when there is no audio data flow coming to the device or power up the audio amplifiers when there is audio data flow coming to the device. In one embodiment, the procedure to power down or power up the amplifiers is in accordance with a hysteresis, wherein the hysteresis, being lagging of an effect behind its cause, protects the amplifiers and makes the powering-down or powering-up procedure unnoticeable to a user.
As used herein, unless explicitly stated otherwise, an audio source or audio sources are in digital format and can be transported over a data network. A term “power down” or “power off” an audio amplifier does not necessarily mean that a power supply to the audio amplifier is completely disconnected and in most cases mean that the audio amplifier operates in a sleeping mode so as to consume a minimum amount of power.
The network 108 may be a wired network, a wireless network or a combination of both. In one example, all devices including the zone players 102, 104 and 106 are coupled to the network 108 by wireless means based on an industry standard such as 802.11 or WiFi. In another example, all devices including the zone players 102, 104 and 106 are part of a local area network that communicate with a wide area network (e.g., the Internet).
The RF interface 214 provides wireless means for the zone player 200 to communicate with a controller, preferably a portable. An example of the controller 240 is shown in FIG. 20. According to one embodiment, the wireless means is based on an industry standard (e.g., infrared, radio, wireless standard 802.11b or 802.11g). The controller 240 may be used to facilitate a selection of a plurality of audio sources available on the network, controlling operation of the zone player 200 through the RF interface 214. When a particular audio source is being played in the zone player 200, a picture, if there is any, associated with the audio source may be transmitted from the zone player 200 to the controller 240. As shown in FIG. 2C, many operations of the zone player 200 can be remotely controlled via the RF interface 214.
To avoid a sudden noise coming out from speakers when the amplifier is tuned on or off, the control of the amplifier is performed in accordance with a hysteresis, wherein the hysteresis, being lagging of an effect behind its cause, protects the amplifiers and makes the powering-down or powering-up procedure unnoticeable to a user. In other words, the hysteresis mutes or smoothes out possible noises or frequency as a result of the amplifier being “ON” from “OFF” or being “OFF” from “ON”.
In one embodiment, to control the operation of the amplifier precisely, one or more parameters about the status of the amplifier are used. The parameters may be referred to when the status of the amplifier is determined. At 310, the status of the amplifier is set to be “ON”. The process 300 then goes to 312 where the amplifier operates in working mode, namely amplifying processed analog audio signals to drive speakers.
At 334, the status of the amplifier is checked. If the status of the amplifier shows that it is already off, there is no further action needed. If the status of the amplifier shows that the amplifier has been “ON”, the process 330 goes to 336 to first mute the amplifier and then power down the amplifier at 338. After the amplifier is powered down or the status of the amplifier has changed, the process 330 goes to 340 to update the status of the amplifier by resetting one or more parameters representing the status thereof to “OFF” at 340. Consequently, the amplifier goes to rest mode at 342.
1. A first playback device comprising:
tangible, non-transitory, computer-readable memory comprising instructions that, when executed by the one or more processors, cause the first playback device to:
operate in a first power mode in which the first playback device consumes a first amount of power;
while operating in the first power mode, receive one or more packets addressed to the first playback device via the network interface, and determine that at least one of the one or more received packets comprises audio data; and
after determining that at least one of the one or more received packets comprises audio data, (i) transition from operating in the first power mode to operating in a second power mode in which the first playback device consumes a second amount of power, wherein the first amount of power is less than the second amount of power, (ii) play back an analog audio signal based on the audio data, and (iii) provide the audio data to a second playback device.
2. The first playback device of claim 1, wherein the audio data is associated with an audio source.
3. The first playback device of claim 1, wherein the audio data is received from an audio source.
4. The first playback device of claim 1, wherein the first playback device comprises one or more analog circuits.
5. The first playback device of claim 1, wherein the audio data is received from another playback device.
6. The first playback device of claim 1, wherein the audio data comprises a packet of an audio stream from an audio source.
7. The first playback device of claim 1, wherein the one or more packets addressed to the first playback device comprises a control packet that comprises control information relating to an audio stream from an audio source, wherein the control packet is received from one of the audio source or a computing device separate from the audio source.
8. The first playback device of claim 1, wherein the one or more packets addressed to the first playback device comprises a control packet comprising a command to start playback of an audio stream.
9. The first playback device of claim 1, wherein transitioning from operating in the first power mode to operating in the second power mode comprises switching at least one electronic connection.
10. The first playback device of claim 1, wherein the first amount of power is no power.
11. The first playback device of claim 1, wherein the first amount of power is greater than no power.
12. Tangible, non-transitory computer-readable media having instructions encoded therein, wherein the instructions, when executed by a first playback device, cause the first playback device to perform a method comprising:
operating in a first power mode in which the first playback device consumes a first amount of power;
while operating in the first power mode, the first playback device (i) receiving one or more packets addressed to the first playback device, and (ii) determining that at least one of the one or more received packets comprises audio data; and
after determining that at least one of the one or more received packets comprises audio data, the first playback device (i) transitioning from operating in the first power mode to operating in a second power mode in which the first playback device consumes a second amount of power, wherein the first amount of power is less than the second amount of power, (ii) playing back an analog audio signal based on the audio data, and (iii) provide the audio data to a second playback device.
13. The tangible, non-transitory computer-readable media of claim 12, wherein the audio data is associated with an audio source.
14. The tangible, non-transitory computer-readable media of claim 12, wherein the audio data is received from an audio source.
15. The tangible, non-transitory computer-readable media of claim 12, wherein the audio data is received from another playback device.
16. The tangible, non-transitory computer-readable media of claim 12, wherein the one or more packets addressed to the first playback device comprises a control packet comprising a command to start playback of an audio stream from an audio source, wherein the control packet is received from the audio source or a computing device separate from the audio source.
17. The tangible, non-transitory computer-readable media of claim 12, wherein the second amount of power is greater than no power.
a first playback device operating in a first power mode in which the first playback device consumes a first amount of power;
while operating in the first power mode, the first playback device (i) receiving one or more packets addressed to the first playback device and (ii) determining that at least one of the one or more received packets comprises audio data; and
after determining that the first playback device received the audio data, the first playback device (i) transitioning from operating in the first power mode to operating in a second power mode in which the first playback device consumes a second amount of power, wherein the first amount of power is less than the second amount of power, (ii) play back an analog audio signal based on the audio data, and (iii) provide the audio data to a second playback device.
19. The method of claim 18, wherein the audio data is associated with an audio source.
20. The method of claim 18, wherein the one or more packets addressed to the first playback device comprises control information relating to an audio stream from an audio source, wherein the control information is received from one of the audio source or a computing device separate from the audio source.
21. The method of claim 18, wherein the one or more packets addressed to the first playback device comprises a control packet comprising a command to start playback of an audio stream.
US14/977,612 2004-05-15 2015-12-21 Power increase based on packet type Active US10061379B2 (en)
US10/845,805 US8024055B1 (en) 2004-05-15 2004-05-15 Method and system for controlling amplifiers
US13/212,889 US8843224B2 (en) 2004-05-15 2011-08-18 Method and system for controlling amplifiers
US14/465,417 US9252721B2 (en) 2004-05-15 2014-08-21 Power decrease based on packet type
US14/977,612 US10061379B2 (en) 2004-05-15 2015-12-21 Power increase based on packet type
US14/465,417 Continuation US9252721B2 (en) 2004-05-15 2014-08-21 Power decrease based on packet type
US20160126910A1 US20160126910A1 (en) 2016-05-05
US10061379B2 true US10061379B2 (en) 2018-08-28
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US10/845,805 Active 2027-11-13 US8024055B1 (en) 2004-05-15 2004-05-15 Method and system for controlling amplifiers
US13/212,889 Active 2025-03-18 US8843224B2 (en) 2004-05-15 2011-08-18 Method and system for controlling amplifiers
US14/465,417 Active US9252721B2 (en) 2004-05-15 2014-08-21 Power decrease based on packet type
US14/486,648 Active US9246442B2 (en) 2004-05-15 2014-09-15 Power increase based on packet type
US14/977,612 Active US10061379B2 (en) 2004-05-15 2015-12-21 Power increase based on packet type
US14/977,597 Active US10303240B2 (en) 2004-05-15 2015-12-21 Power decrease based on packet type
US15/245,501 Active US10228754B2 (en) 2004-05-15 2016-08-24 Power decrease based on packet type
US15/245,591 Pending US20160365838A1 (en) 2004-05-15 2016-08-24 Power Decrease Based on Packet Type and Synchronous Playback
US15/245,616 Active US10126811B2 (en) 2004-05-15 2016-08-24 Power increase based on packet type
US15/245,569 Active 2024-06-15 US10254822B2 (en) 2004-05-15 2016-08-24 Power decrease and increase based on packet type
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