US20080274773A1 - Wireless network device with a signal detection function and switching method for the same - Google Patents
Wireless network device with a signal detection function and switching method for the same Download PDFInfo
- Publication number
- US20080274773A1 US20080274773A1 US12/176,579 US17657908A US2008274773A1 US 20080274773 A1 US20080274773 A1 US 20080274773A1 US 17657908 A US17657908 A US 17657908A US 2008274773 A1 US2008274773 A1 US 2008274773A1
- Authority
- US
- United States
- Prior art keywords
- wireless network
- network device
- mode
- power
- wireless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- This invention relates to a wireless network device provided with two functional mode and method of switching for the same, and more particularly to a switching determination according to a source of the power received by the wireless network device.
- WLAN wireless local area network
- a general external wireless network device is a wireless communication receiver using a universal serial bus (USB) as an interface, in which a signal conversion circuit is used to convert a wireless signal received from an RF module into a signal based on USB protocol, or convert and transfer a digital signal based on USB protocol to the RF module, and then send out the signal through an antenna.
- USB universal serial bus
- a wireless device connected to a PC host 16 through a USB host interface 14 is disclosed in U.S. Pat. No. 6,782,245.
- the wireless device is structured with an antenna 11 receiving and transmitting signals and connected to a receiver 12 for converting the signals according to the frequency of received signals into digital signals.
- the signals are then transmitted to a microcontroller unit 13 for decoding the signals and debugging, and next converting the signals into USB-based signals transmitted to the PC host 16 through the host interface 14 . All the above devices are supplied with electric power by a power supply 15 .
- the object of the invention is to provide a wireless network device which is able to switch into a first functional mode or a second functional mode according the source of the power.
- a wireless network device for switching into a first and a second functional mode according to the source of received power.
- the wireless network device includes a wireless network communication module, a processor, a power module, and a voltage regulator.
- the wireless network communication module is utilized for transceiving wireless network signal, and the processor is connected to the wireless network communication module.
- the power module selectively receives a power from one of a battery and a computer.
- the voltage regulator is connected to the processor, for selectively switching into the first functional mode when receiving the power form the battery, or switching into the second functional mode when receiving the power from the computer.
- the first functional mode is a wireless network signal detection mode
- the second functional mode is a wireless NIC mode.
- the wireless network device receives the power from the battery, the wireless network device switches into wireless network signal detection mode, to scan the wireless network signals independently without being connected to a computer and finally gives a result.
- FIG. 1 is a schematic view illustrating a wireless network device of prior art
- FIG. 2A is a schematic view illustrating a wireless network device according to this invention.
- FIG. 2B is a schematic view illustrating application of the wireless network device according to this invention.
- FIG. 3 is a block diagram of the circuit of wireless network device according to this invention.
- FIG. 4 is a flow chart of a method of switching of the wireless network device functioning to detect signals according to this invention.
- FIG. 5 is a flow chart of a preferred embodiment of this invention.
- a wireless network device provided with a first functional mode and a second functional mode.
- the first functional mode is wireless signal detection mode
- the second functional mode is wireless NIC mode.
- a detection module for detecting wireless signals is provided in addition to the conventional wireless device, and the device is designed with a voltage determination mechanism to switch the device functions according to different load voltage types.
- a conventional wireless USB NIC comprises a network signal detection switch 23 and a status indicating lamp 25 installed therein.
- the switch 23 must be manually switched on with a battery provided internally to detect whether a wireless signal exists in a specified space.
- the lamp 25 indicates the status of signal; the lamp 25 is not limited to the lamp depicted in the figure and may be replaced with, for example, one or a plurality of LEDs, an LCD, an OLED, or a 7-segment display, as shown in FIG. 1 .
- the voltage regulator thereof detects a load voltage when the device works independently and then switches to a general wireless NIC mode.
- the battery power is not consumed in detection of the wireless signal because the power is applied by the PC 27 and wireless network detection software installed in the PC 27 is executed by the PC 27 instead of the wireless network detection mechanism of the wireless network device.
- FIG. 3 is a block diagram of the circuit of the wireless network device provided according to this invention.
- the wireless network device includes a wireless network communication module 30 , a voltage regulator 31 , a power module 32 , an interface unit 33 , a detection module 34 , a battery 35 , a processor 36 , and a indication unit 37 .
- the wireless network communication module 30 transceives wireless network signal with the combination of an antenna module 301 , an RF module 302 , and a baseband module 303 .
- the RF processing and baseband modulation functions are designed in the hardware module, in which the RF module works for frequency synthesis, data conversion, and noise filtering, while the baseband processing works for message coding, encryption and decryption, frequency hop (FH), and packet processing.
- the antenna module 301 is connected for achievement of wireless communication.
- the detection module 34 is connected to the baseband module 303 of the wireless network communication module 30 , and after the antenna module 301 receives the wireless signal, the detection module 34 eliminates background noise and ambient interference accompanying the signal and meanwhile adjusts the detection range to determine the source of the signal.
- the wireless network communication module 30 is connected to the processor 36 to convert the wireless signal received by the wireless network communication module 30 into a digital signal and then transmit the same to the PC or transmit the digital signal to the wireless network device 20 from the PC through the interface unit 33 .
- the processor 36 then converts the signal into an RF signal and transmits the same from the wireless network communication module 30 .
- the indication unit 37 is connected to the processor 36 , and the processor 36 converts the detection result into electric power to drive the indication unit 37 in the embodiment, such as the indicating lamp in FIG. 2A or an LED, an OLED, or an LCD device, to emit light.
- the indication unit 37 in the embodiment shows the wireless network signal, the strength thereof, or a wireless network identification message thereof.
- the indication unit 37 may be implemented in the manner of sound, vibration, or a combination of the manners mentioned above.
- the voltage regulator 31 is connected to the processor 36 and the power module 32 to receive the message of load voltage and then determine the functions of switching with the load voltage passing through the device, such as a wireless network mode or a wireless network signal detection mode.
- the power module 32 is connected to an internal or external battery 35 or an interface unit 33 to manage the power of device, in which the interface unit 33 is a USB, IEEE1394, or PCMCIA (Personal Computer Memory Card International Association) interface to the PC.
- the wireless network device 20 works independently, the battery 35 is the power source; at this time the voltage regulator 31 determines the load voltage of the device and then switches to the wireless network signal detection mode.
- the device is connected to the PC through the interface unit 33 , it switches to the wireless NIC mode. At this time the PC supplies electric power. With the switching mechanism, the versatile wireless network device that detects the network signal without the PC's help is achieved.
- the signal indicating device After the device is turned on by the switch, the signal indicating device shows the wireless network signal, strength thereof, or the wireless network identification message.
- the signal indicating device is, for example, an LED-based indicating lamp or an LCD, or is implemented as a sound, a vibration, or a combination of the implementations mentioned above.
- FIG. 4 is a flow chart of a method of switching of the wireless network device to detect signals according to this invention.
- the main steps of the method include the following.
- the wireless network device according to this invention must be turned on (step S 401 ).
- the wireless network device may work independently with power supplied by the battery, or may be connected to the PC supplying power thereto.
- the voltage regulator in the device detects the load voltage of the device (step S 403 ). The voltage varies with the power supply. If, for example, the battery supplies power, the voltage may be 3.3 V, and if the PC supplies the power through the interface, the voltage may be 5 V. According to the determination of voltage regulator to the load voltage, the device is switched to the wireless network signal detection mode or the wireless NIC mode (step S 405 ).
- a surrounding wireless network signal is scanned and detected by the detection module (step S 407 ). Finally, a scan result is submitted (step S 409 ).
- the power of wireless network device is provided by the battery or the PC (step S 501 ).
- the load voltage is detected (step S 503 ).
- the detected voltage is greater or less than a determination value (step S 505 ).
- the value is a default load voltage of wireless network device according to this invention, and is classified for a plurality of ranks.
- the source of the power that the wireless network device can be determined according to the load voltage, thus switching into different functional modes is implemented according to the source of the power.
- step S 505 if the power is received from the PC, the load voltage is not less than the determination value, switching to the wireless NIC mode (the first functional mode) is implemented (step S 507 ). And if the power is received from the battery, the load voltage is less than the determination value, switching to the wireless network signal detection mode is implemented (step S 509 ). At this time, the wireless network device is supplied with less voltage by the battery, and works independently to detect the wireless network signal.
- the scale of voltage is determined mainly by actual operation, so it is not limited by the embodiment.
- the processor asks the baseband module to detect the wireless network signal (step S 511 ).
- the wireless network communication module especially scans the wireless network signal (step S 513 ), and receives feedback packets in a specified time to detect and then determine upon the received signals whether the wireless network signal exists (step S 515 ).
- a result is submitted (step S 517 ), and the feedback packets sent from the baseband module are returned to the processor to eliminate background noise and ambient interference accompanying the signal and detect the range for determination of the source of the signal and the wireless network signal (step S 519 ).
- the processor shows the result on the indication unit to inform a user of the status of wireless network signal (step S 521 ).
- this invention is a wireless network device provided with a signal detection function and method of switching for the same.
- the device switches the wireless network module upon the load voltage to the general wireless NIC mode or the wireless network signal detection mode for achievement of multiple functions.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A wireless network device is provided for switching into a first functional mode and a second functional mode according to the source of received power. The wireless network device includes a wireless network communication module, a processor, a power module, and a voltage regulator. The wireless network communication module is utilized for transceiving wireless network signal, and the processor is connected to the wireless network communication module. The power module selectively receives a power from one of a battery and a computer. The voltage regulator is connected to the processor, for selectively switching into the first functional mode when receiving the power form the battery, or switching into the second functional mode when receiving the power from the computer.
Description
- The present application is a continuation-in-part application of U.S. patent application Ser. No. 11/195,710, filed on Aug. 3, 2005, which is hereby incorporated by reference.
- 1. Field of the Invention
- This invention relates to a wireless network device provided with two functional mode and method of switching for the same, and more particularly to a switching determination according to a source of the power received by the wireless network device.
- 2. Description of Related Art
- Thanks to a public wireless network gradually being created everywhere, users have increasing chances to use wireless local area network (WLAN) in public places. Users do not, however, actually carry out wireless networking at all times, everywhere. They must turn on devices provided with a wireless networking function, such as, for example, a PDA or a portable computer, to determine whether a wireless network signal is present through a wireless network utility working with an internal or external wireless network device prior to use of the wireless networking service.
- A general external wireless network device, as shown in U.S. Pat. No. 6,633,583, is a wireless communication receiver using a universal serial bus (USB) as an interface, in which a signal conversion circuit is used to convert a wireless signal received from an RF module into a signal based on USB protocol, or convert and transfer a digital signal based on USB protocol to the RF module, and then send out the signal through an antenna.
- As shown in
FIG. 1 , a wireless device connected to aPC host 16 through aUSB host interface 14 is disclosed in U.S. Pat. No. 6,782,245. The wireless device is structured with anantenna 11 receiving and transmitting signals and connected to areceiver 12 for converting the signals according to the frequency of received signals into digital signals. The signals are then transmitted to amicrocontroller unit 13 for decoding the signals and debugging, and next converting the signals into USB-based signals transmitted to thePC host 16 through thehost interface 14. All the above devices are supplied with electric power by apower supply 15. - However, in view of the single function and structure provided in the wireless module and the lack of a full layout of wireless network, it is complicated and inefficient to detect the network signals.
- The object of the invention is to provide a wireless network device which is able to switch into a first functional mode or a second functional mode according the source of the power.
- In order to achieve the above object, a wireless network device is provided for switching into a first and a second functional mode according to the source of received power. The wireless network device includes a wireless network communication module, a processor, a power module, and a voltage regulator. The wireless network communication module is utilized for transceiving wireless network signal, and the processor is connected to the wireless network communication module. The power module selectively receives a power from one of a battery and a computer. The voltage regulator is connected to the processor, for selectively switching into the first functional mode when receiving the power form the battery, or switching into the second functional mode when receiving the power from the computer.
- For example, in a preferred embodiment, the first functional mode is a wireless network signal detection mode, while the second functional mode is a wireless NIC mode. When the wireless network device receives the power from the battery, the wireless network device switches into wireless network signal detection mode, to scan the wireless network signals independently without being connected to a computer and finally gives a result.
- The foregoing aspects and many of the attendant advantages of this invention will be more readily appreciated as the same becomes better understood by reference to the following detailed description, when taken in conjunction with the accompanying drawings, wherein:
-
FIG. 1 is a schematic view illustrating a wireless network device of prior art; -
FIG. 2A is a schematic view illustrating a wireless network device according to this invention; -
FIG. 2B is a schematic view illustrating application of the wireless network device according to this invention; -
FIG. 3 is a block diagram of the circuit of wireless network device according to this invention; -
FIG. 4 is a flow chart of a method of switching of the wireless network device functioning to detect signals according to this invention; and -
FIG. 5 is a flow chart of a preferred embodiment of this invention. - In this invention, a wireless network device provided with a first functional mode and a second functional mode is disclosed. The first functional mode is wireless signal detection mode, while the second functional mode is wireless NIC mode. A detection module for detecting wireless signals is provided in addition to the conventional wireless device, and the device is designed with a voltage determination mechanism to switch the device functions according to different load voltage types.
- As shown in
FIG. 2A , for an embodiment of awireless network device 20, a conventional wireless USB NIC comprises a networksignal detection switch 23 and astatus indicating lamp 25 installed therein. When thewireless network device 20 works independently, theswitch 23 must be manually switched on with a battery provided internally to detect whether a wireless signal exists in a specified space. Thelamp 25 indicates the status of signal; thelamp 25 is not limited to the lamp depicted in the figure and may be replaced with, for example, one or a plurality of LEDs, an LCD, an OLED, or a 7-segment display, as shown inFIG. 1 . - When the
wireless network device 20 is connected to a PC 27 through aUSB interface port 21, as shown inFIG. 2B , the voltage regulator thereof detects a load voltage when the device works independently and then switches to a general wireless NIC mode. The battery power is not consumed in detection of the wireless signal because the power is applied by the PC 27 and wireless network detection software installed in the PC 27 is executed by the PC 27 instead of the wireless network detection mechanism of the wireless network device. -
FIG. 3 is a block diagram of the circuit of the wireless network device provided according to this invention. As shown inFIG. 2A , the wireless network device includes a wirelessnetwork communication module 30, avoltage regulator 31, apower module 32, aninterface unit 33, adetection module 34, abattery 35, aprocessor 36, and aindication unit 37. - Referring to
FIG. 3 , the wirelessnetwork communication module 30 transceives wireless network signal with the combination of anantenna module 301, anRF module 302, and abaseband module 303. The RF processing and baseband modulation functions are designed in the hardware module, in which the RF module works for frequency synthesis, data conversion, and noise filtering, while the baseband processing works for message coding, encryption and decryption, frequency hop (FH), and packet processing. Theantenna module 301 is connected for achievement of wireless communication. - Further, in order to detect the wireless network signal, the
detection module 34 is connected to thebaseband module 303 of the wirelessnetwork communication module 30, and after theantenna module 301 receives the wireless signal, thedetection module 34 eliminates background noise and ambient interference accompanying the signal and meanwhile adjusts the detection range to determine the source of the signal. - The wireless
network communication module 30 is connected to theprocessor 36 to convert the wireless signal received by the wirelessnetwork communication module 30 into a digital signal and then transmit the same to the PC or transmit the digital signal to thewireless network device 20 from the PC through theinterface unit 33. Theprocessor 36 then converts the signal into an RF signal and transmits the same from the wirelessnetwork communication module 30. Theindication unit 37 is connected to theprocessor 36, and theprocessor 36 converts the detection result into electric power to drive theindication unit 37 in the embodiment, such as the indicating lamp inFIG. 2A or an LED, an OLED, or an LCD device, to emit light. Theindication unit 37 in the embodiment shows the wireless network signal, the strength thereof, or a wireless network identification message thereof. Alternatively, theindication unit 37 may be implemented in the manner of sound, vibration, or a combination of the manners mentioned above. - The
voltage regulator 31 is connected to theprocessor 36 and thepower module 32 to receive the message of load voltage and then determine the functions of switching with the load voltage passing through the device, such as a wireless network mode or a wireless network signal detection mode. Thepower module 32 is connected to an internal orexternal battery 35 or aninterface unit 33 to manage the power of device, in which theinterface unit 33 is a USB, IEEE1394, or PCMCIA (Personal Computer Memory Card International Association) interface to the PC. When thewireless network device 20 according to this invention works independently, thebattery 35 is the power source; at this time thevoltage regulator 31 determines the load voltage of the device and then switches to the wireless network signal detection mode. When the device is connected to the PC through theinterface unit 33, it switches to the wireless NIC mode. At this time the PC supplies electric power. With the switching mechanism, the versatile wireless network device that detects the network signal without the PC's help is achieved. - After the device is turned on by the switch, the signal indicating device shows the wireless network signal, strength thereof, or the wireless network identification message. The signal indicating device is, for example, an LED-based indicating lamp or an LCD, or is implemented as a sound, a vibration, or a combination of the implementations mentioned above.
-
FIG. 4 is a flow chart of a method of switching of the wireless network device to detect signals according to this invention. The main steps of the method include the following. The wireless network device according to this invention must be turned on (step S401). The wireless network device may work independently with power supplied by the battery, or may be connected to the PC supplying power thereto. The voltage regulator in the device detects the load voltage of the device (step S403). The voltage varies with the power supply. If, for example, the battery supplies power, the voltage may be 3.3 V, and if the PC supplies the power through the interface, the voltage may be 5 V. According to the determination of voltage regulator to the load voltage, the device is switched to the wireless network signal detection mode or the wireless NIC mode (step S405). An example of switching to the wireless network signal detection mode is given in a preferred embodiment of this invention. At the time of entry into the wireless network signal detection mode, a surrounding wireless network signal is scanned and detected by the detection module (step S407). Finally, a scan result is submitted (step S409). - In a flow chart shown in
FIG. 5 , the preferred embodiment is described. Initially, the power of wireless network device is provided by the battery or the PC (step S501). Next, the load voltage is detected (step S503). The detected voltage is greater or less than a determination value (step S505). The value is a default load voltage of wireless network device according to this invention, and is classified for a plurality of ranks. The source of the power that the wireless network device can be determined according to the load voltage, thus switching into different functional modes is implemented according to the source of the power. - In step S505, if the power is received from the PC, the load voltage is not less than the determination value, switching to the wireless NIC mode (the first functional mode) is implemented (step S507). And if the power is received from the battery, the load voltage is less than the determination value, switching to the wireless network signal detection mode is implemented (step S509). At this time, the wireless network device is supplied with less voltage by the battery, and works independently to detect the wireless network signal. The scale of voltage, however, is determined mainly by actual operation, so it is not limited by the embodiment.
- Next, the processor asks the baseband module to detect the wireless network signal (step S511). The wireless network communication module especially scans the wireless network signal (step S513), and receives feedback packets in a specified time to detect and then determine upon the received signals whether the wireless network signal exists (step S515). A result is submitted (step S517), and the feedback packets sent from the baseband module are returned to the processor to eliminate background noise and ambient interference accompanying the signal and detect the range for determination of the source of the signal and the wireless network signal (step S519). Finally, the processor shows the result on the indication unit to inform a user of the status of wireless network signal (step S521).
- The accompanying drawings in the embodiments are provided for reference and illustration only and not intended to limit the terms or scope of this invention.
- To sum up, this invention is a wireless network device provided with a signal detection function and method of switching for the same. The device switches the wireless network module upon the load voltage to the general wireless NIC mode or the wireless network signal detection mode for achievement of multiple functions. However, in the description mentioned above, only the preferred embodiments according to this invention are provided without limit to claims of this invention; all those skilled in the art without exception should include the equivalent changes and modifications as falling within the true scope and spirit of the present invention.
Claims (12)
1. A wireless network device provided with a first functional mode and a second functional mode, comprising:
a wireless network communication module for transceiving a wireless network signal;
a processor connected to the wireless network communication module;
a power module for selectively receiving a power from one of a battery and a computer; and
a voltage regulator connected to the processor, for selectively switching into the first functional mode when receiving the power form the battery, or switching into the second functional mode when receiving the power from the computer.
2. The wireless network device according to claim 1 , wherein the first functional mode is a wireless network signal detection mode.
3. The wireless network device according to claim 2 , further comprising:
a detection module connected to the wireless network communication module, for detection wireless network signals.
4. The wireless network device according to claim 2 , further comprising:
a network signal detection switch for starting the wireless network signal detection mode.
5. The wireless network device according to claim 2 , further comprising:
an indication unit connected to the processor, for showing detection result of the detection module.
6. The wireless network device according to claim 1 , wherein the second functional mode is a wireless NIC mode.
7. The wireless network device according to claim 6 , further comprising:
a wireless network detection software, which is executed in the wireless NIC mode.
8. A method of switching functions of a wireless network device with a first functional mode and a second functional mode, comprising steps of:
starting the wireless network device;
receiving a power from one of a battery and a computer; and
switching the wireless network device into the first functional mode when receiving the power from the battery, and switching the wireless network device into the second functional mode when receiving the power from the computer.
9. The method according to claim 8 , wherein the first functional mode is a wireless network signal detection mode.
10. The method according to claim 9 , wherein the step of switching into the wireless network signal detection mode further comprises:
detecting a feedback packet;
receiving the feedback packet;
processing the feedback packet to generate a detection result.
11. The method according to claim 8 , wherein the second functional mode is a wireless NIC mode.
12. The method according to claim 11 , wherein the step of switching into the wireless NIC mode further comprises:
executing a wireless network detection software.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/176,579 US20080274773A1 (en) | 2005-04-26 | 2008-07-21 | Wireless network device with a signal detection function and switching method for the same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW094113321A TW200638778A (en) | 2005-04-26 | 2005-04-26 | Wireless network device with signal detection function and switching method for the same |
TW094113321 | 2005-04-26 | ||
US11/195,710 US7536202B2 (en) | 2005-04-26 | 2005-08-03 | Wireless network device with a signal detection function and switching method for the same |
US12/176,579 US20080274773A1 (en) | 2005-04-26 | 2008-07-21 | Wireless network device with a signal detection function and switching method for the same |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/195,710 Continuation-In-Part US7536202B2 (en) | 2005-04-26 | 2005-08-03 | Wireless network device with a signal detection function and switching method for the same |
Publications (1)
Publication Number | Publication Date |
---|---|
US20080274773A1 true US20080274773A1 (en) | 2008-11-06 |
Family
ID=37718273
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/195,710 Active 2027-01-23 US7536202B2 (en) | 2005-04-26 | 2005-08-03 | Wireless network device with a signal detection function and switching method for the same |
US12/176,579 Abandoned US20080274773A1 (en) | 2005-04-26 | 2008-07-21 | Wireless network device with a signal detection function and switching method for the same |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/195,710 Active 2027-01-23 US7536202B2 (en) | 2005-04-26 | 2005-08-03 | Wireless network device with a signal detection function and switching method for the same |
Country Status (2)
Country | Link |
---|---|
US (2) | US7536202B2 (en) |
TW (1) | TW200638778A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160070331A1 (en) * | 2013-09-30 | 2016-03-10 | Sonos, Inc. | Playback Device Operations Based on Battery Level |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080132236A1 (en) * | 2005-03-07 | 2008-06-05 | Shinji Kiribayashi | Mobile Communication Terminal and Method for Notifying Handover Operation |
TW200638778A (en) * | 2005-04-26 | 2006-11-01 | Z Com Inc | Wireless network device with signal detection function and switching method for the same |
US8195247B2 (en) * | 2005-11-08 | 2012-06-05 | Broadcom Corporation | Cable sense mode for intelligent power saving in absence of link pulse |
TW200810554A (en) * | 2006-08-08 | 2008-02-16 | Awind Inc | Removable device with plug & play function |
KR101026397B1 (en) * | 2006-11-16 | 2011-04-07 | 삼성전자주식회사 | Display apparatus and control method thereof |
CN101998448A (en) * | 2009-08-11 | 2011-03-30 | 华为终端有限公司 | Flow control method, device and terminal |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5995041A (en) * | 1996-12-30 | 1999-11-30 | At&T Corp. | Communication system with direct link to satellite |
US20070021062A1 (en) * | 2005-07-22 | 2007-01-25 | Parikh Ajay S | Power mode control for a communication device |
US7305253B2 (en) * | 2002-12-19 | 2007-12-04 | Sony Ericsson Mobile Communications Ab | Combination audio/charger jack |
US7363062B2 (en) * | 2002-09-10 | 2008-04-22 | Axesstel, Inc. | Enhanced mobility wireless local loop phone |
US7536202B2 (en) * | 2005-04-26 | 2009-05-19 | Z-Com, Inc. | Wireless network device with a signal detection function and switching method for the same |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6269449B1 (en) * | 1994-12-02 | 2001-07-31 | Dell Usa, L.P. | Capacitive wake-up mechanism for hand held data entry unit |
US5844517A (en) * | 1996-02-02 | 1998-12-01 | Trw Inc. | Portable transceiver for keyless vehicle entry system having phase delay |
US5991887A (en) * | 1996-02-28 | 1999-11-23 | Dallas Semiconductor Corporation | Low power wake up circuitry, with internal power down of the wake up circuitry itself |
JP3045985B2 (en) * | 1997-08-07 | 2000-05-29 | インターナショナル・ビジネス・マシーンズ・コーポレイション | Connection establishment method, communication method, state change transmission method, state change execution method, wireless device, wireless device, and computer |
US6633583B1 (en) * | 1998-12-18 | 2003-10-14 | Intel Corporation | Wireless universal serial bus receiver |
US6782245B1 (en) * | 1999-09-10 | 2004-08-24 | Logitech Europe S.A. | Wireless peripheral interface with universal serial bus port |
CA2374344C (en) * | 2001-03-01 | 2006-02-21 | Research In Motion Limited | Multifunctional charger system and method |
US20020172290A1 (en) * | 2001-05-18 | 2002-11-21 | Chorpenning Jack S. | Method and system for transmitting signals between a high speed serial bus and a coaxial cable |
US7236742B2 (en) * | 2001-06-18 | 2007-06-26 | Brigham Young University | System and method for wireless data transfer for a mobile unit |
US7058739B2 (en) * | 2001-12-14 | 2006-06-06 | Koninklijke Philips Electronic N.V. | Wireless peripheral interface with universal serial bus port |
US20050243059A1 (en) * | 2004-03-16 | 2005-11-03 | Morris Martin G | High-reliability computer interface for wireless input devices |
US20060205359A1 (en) * | 2005-03-14 | 2006-09-14 | Brooks Vincent L | Lifestyle receiver/transmitter for differentiated consumer product |
WO2006110652A2 (en) * | 2005-04-07 | 2006-10-19 | Jaalaa, Inc. | Combined keyboard and wireless transceiver |
TWI272495B (en) * | 2005-04-14 | 2007-02-01 | Richtek Technology Corp | Configuration device and method for current output at USB port |
-
2005
- 2005-04-26 TW TW094113321A patent/TW200638778A/en not_active IP Right Cessation
- 2005-08-03 US US11/195,710 patent/US7536202B2/en active Active
-
2008
- 2008-07-21 US US12/176,579 patent/US20080274773A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5995041A (en) * | 1996-12-30 | 1999-11-30 | At&T Corp. | Communication system with direct link to satellite |
US7363062B2 (en) * | 2002-09-10 | 2008-04-22 | Axesstel, Inc. | Enhanced mobility wireless local loop phone |
US7305253B2 (en) * | 2002-12-19 | 2007-12-04 | Sony Ericsson Mobile Communications Ab | Combination audio/charger jack |
US7536202B2 (en) * | 2005-04-26 | 2009-05-19 | Z-Com, Inc. | Wireless network device with a signal detection function and switching method for the same |
US20070021062A1 (en) * | 2005-07-22 | 2007-01-25 | Parikh Ajay S | Power mode control for a communication device |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160070331A1 (en) * | 2013-09-30 | 2016-03-10 | Sonos, Inc. | Playback Device Operations Based on Battery Level |
US20160334858A1 (en) * | 2013-09-30 | 2016-11-17 | Sonos, Inc. | Playback Device Operating Modes Based on Power Source |
US20160334859A1 (en) * | 2013-09-30 | 2016-11-17 | Sonos, Inc. | Playback Device Operating Modes Based on Power Source |
US10055003B2 (en) * | 2013-09-30 | 2018-08-21 | Sonos, Inc. | Playback device operations based on battery level |
US10871817B2 (en) * | 2013-09-30 | 2020-12-22 | Sonos, Inc. | Synchronous playback with battery-powered playback device |
US20210247837A1 (en) * | 2013-09-30 | 2021-08-12 | Sonos, Inc. | Synchronous Playback With Battery-Powered Playback Device |
US11543876B2 (en) * | 2013-09-30 | 2023-01-03 | Sonos, Inc. | Synchronous playback with battery-powered playback device |
US20230288978A1 (en) * | 2013-09-30 | 2023-09-14 | Sonos, Inc. | Synchronous Playback With Battery-Powered Playback Device |
Also Published As
Publication number | Publication date |
---|---|
TWI313137B (en) | 2009-08-01 |
TW200638778A (en) | 2006-11-01 |
US7536202B2 (en) | 2009-05-19 |
US20070032272A1 (en) | 2007-02-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20080274773A1 (en) | Wireless network device with a signal detection function and switching method for the same | |
US7003331B2 (en) | Apparatus, method and program to optimize battery life in a wireless device | |
US7904113B2 (en) | Method and apparatus for detecting and selectively utilizing peripheral devices | |
US8798571B2 (en) | Method of managing power consumption of portable computer and portable computer using the same | |
US7020467B2 (en) | Communication apparatus and control method therefor | |
US7715794B2 (en) | Bluetooth fast connection mode for wireless peripheral device | |
JP4459975B2 (en) | Data receiving method and apparatus for mobile communication terminal | |
US20050047356A1 (en) | Wireless wake-on-LAN power management | |
US20020147003A1 (en) | Communication device and a method for controlling the communication device | |
US20110286504A1 (en) | Wireless modem device, wireless modem system, wireless modem device sleep/wake-up method, and terminal | |
KR20040067665A (en) | Docking station for a portable computer | |
JP2009049662A (en) | Information processor | |
KR100745694B1 (en) | Wireless universal serial bus adapter and method for supporting multiple wireless medium | |
US7092688B2 (en) | Method for directly indicating the strength of a signal and the device thereof | |
US7050840B2 (en) | Wireless transmission apparatus | |
JP2007116209A (en) | Radio lan device | |
JP2007006153A (en) | Wireless lan device | |
GB2424777A (en) | Transmitting a wake-up instruction to a receiving device by modulating data on illumination light, such as that provided by an electroluminescent room light. | |
US7286858B2 (en) | Portable terminal device and method of controlling the same | |
CN100568869C (en) | The radio network device of tool signal testing function and function switching method thereof | |
CN100444528C (en) | Transmit-receiving device and power control circuit and power control method | |
KR200377353Y1 (en) | Data communication device having switching function | |
KR20030070381A (en) | Power management methode of wlan card | |
CN100449456C (en) | Electric energy saving method and device for peripherals with more ports | |
KR200239603Y1 (en) | Usb peripheral device having wireless communication module |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: Z-COM, INC., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HSU, JUI LIN;WU, CHIA FANG;YANG, TSUNG MING;REEL/FRAME:021263/0580;SIGNING DATES FROM 20080710 TO 20080717 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |