Wireless Access Point Device
A wireless (such as Wi-Fi or similar) access point is included in or attached to a device, such as a cellular phone, WiMAX device, other mobile device, etc. One or more wireless units wirelessly access a communication network (and in some cases the Internet) through the wireless access point device. Additionally, such a wireless access point device can receive a transmission from a wireless tag that has been attached to an object to be monitored and can forward information from the wireless tag to a target device along with location information.
1 . A wireless access point device comprising:
a wireless communication circuitry with which a wireless connection is made to a wireless communication network; and
a wireless access point circuitry electronically connected to the wireless communication circuitry;
and wherein:
the wireless access point circuitry enables a wireless connection to be made between a wireless unit and the wireless access point device; and
the wireless access point circuitry enables the wireless unit to wirelessly access the wireless communication network using the wireless access point circuitry and the wireless communication circuitry.
2 . The wireless access point device of claim 1 , wherein the wireless access point device is a mobile device.
3 . The wireless access point device of claim 1 , wherein the wireless access point device enters a low-power mode when no data is being transferred between the wireless access point device and the wireless unit.
4 . The wireless access point device of claim 1 , further comprising:
a router electronically connected to the wireless access point circuitry and to the wireless communication circuitry for enabling a plurality of the wireless units to wirelessly access the wireless communication network through the wireless access point circuitry and the wireless communication circuitry.
5 . The wireless access point device of claim 1 , further comprising:
a host processor that controls functions of the wireless access point device;
a memory in which programs are stored for use by the host processor to control the functions of the wireless access point device; and
a program running on the host processor and contained in less than 1 MB of the memory, the program enabling the host processor to use the wireless access point circuitry.
6 . The wireless access point device of claim 5 , further comprising:
a microcontroller, separate from the host processor, that controls functions of the wireless access point circuitry.
7 . The wireless access point device of claim 1 , wherein:
the wireless access point circuitry is a module that is incorporated into a circuit design that includes the wireless communication circuitry.
8 . The wireless access point device of claim 1 , further comprising:
a housing containing the wireless communication circuitry; and
a port accessible in a side of the housing and electronically connected to the wireless communication circuitry;
and wherein:
the wireless access point circuitry is contained in a separate housing from the housing of the wireless access point device; and
the wireless access point circuitry can be attached to and detached from the port of the wireless access point device.
9 . The wireless access point device of claim 1 , further comprising:
a housing containing the wireless communication circuitry and the wireless access point circuitry.
10 . The wireless access point device of claim 1 , further comprising:
an antenna through which both the wireless communication circuitry and the wireless access point circuitry transmit.
11 . The wireless access point device of claim 10 , further comprising:
a time-domain multiplexer that selects back and forth between the wireless communication circuitry and the wireless access point circuitry to transmit through the antenna.
12 . The wireless access point device of claim 1 , wherein:
the wireless unit comprises a wireless tag attached to an object;
the wireless tag transmits identification information; and
the wireless access point device monitors the wireless tag.
13 . The wireless access point device of claim 12 , wherein:
the wireless tag also transmits target information specifying a target device;
by monitoring the wireless tag, the wireless access point device receives the identification information and the target information; and
the wireless access point device transmits the identification information to the target device specified by the target information.
14 . The wireless access point device of claim 1 , wherein:
the wireless access point circuitry is a Wi-Fi access point circuitry;
the wireless unit is a Wi-Fi device; and
the Wi-Fi access point circuitry enables the Wi-Fi device to wirelessly access the wireless communication network through the wireless access point device.
15 . The wireless access point device of claim 1 , wherein:
the wireless access point device enables the wireless unit to seamlessly connect to the wireless communication network.
16 . A method of wirelessly accessing a wireless communication network, comprising:
setting a wireless access point device to accept access by a wireless unit, the wireless access point device having a wireless communication circuitry and a wireless access point circuitry, and the wireless access point device having access to the wireless communication network through the wireless communication circuitry;
establishing a wireless connection between the wireless unit and the wireless access point device, the wireless unit having a wireless adapter for wirelessly communicating with the wireless access point circuitry; and
connecting the wireless unit to the wireless communication network using the wireless adapter, the wireless access point circuitry and the wireless communication circuitry.
17 . The method of claim 16 , wherein the wireless access point device is a mobile device.
18 . The method of claim 16 , further comprising:
the wireless access point device entering a low-power mode when no data is being transferred between the wireless access point device and the wireless unit.
19 . The method of claim 16 , further comprising:
setting the wireless access point device to accept access by a plurality of the wireless units, the wireless access point device further having a router;
establishing a wireless connection between the wireless units and the wireless access point device, the wireless units having wireless adapters for wirelessly communicating with the wireless access point circuitry and the router; and
connecting the wireless units to the wireless communication network through the wireless adapter, the wireless access point circuitry, the router and the wireless communication circuitry.
20 . The method of claim 16 , further comprising:
controlling the wireless access point device by a host processor; and
running a program on the host processor enabling the host processor to use the wireless access point circuitry, the program contained in less than 1 MB of a memory associated with the host processor.
21 . The method of claim 20 , further comprising:
controlling functions of the wireless access point circuitry by a microcontroller, separate from the host processor.
22 . The method of claim 16 , wherein:
the wireless access point device also has a housing containing the wireless communication circuitry and a port accessible at a side of the housing and electronically connected to the wireless communication circuitry;
the wireless access point circuitry is contained in a housing separate from the housing of the wireless access point device; and
the method further comprises attaching the wireless access point circuitry to and detaching the wireless access point circuitry from the port.
23 . The method of claim 16 , wherein the wireless access point device also has a housing containing both the wireless communication circuitry and the wireless access point circuitry.
24 . The method of claim 16 , wherein:
the wireless access point device also has an antenna; and
the method further comprises both the wireless communication circuitry and the wireless access point circuitry transmitting through the antenna.
25 . The method of claim 24 , wherein:
the wireless access point device also has a time-domain multiplexer; and
the method further comprises the time-domain multiplexer selecting back and forth between the wireless communication circuitry and the wireless access point circuitry to transmit through the antenna.
26 . The method of claim 16 , wherein:
the wireless unit comprises a wireless tag attached to an object; and
the method further comprises:
the wireless tag transmitting identification information; and
the wireless access point device monitoring for transmissions from the wireless tag.
27 . The method of claim 26 , further comprising:
the wireless tag also transmitting target information specifying a target device;
the wireless access point device receiving the identification information and the target information; and
the wireless access point device transmitting the identification information to the target device specified by the target information.
28 . The method of claim 16 , wherein:
the wireless unit comprises a Wi-Fi device and the wireless adapter thereof comprises a Wi-Fi adapter;
the wireless access point device comprises a Wi-Fi access point device and the wireless access point circuitry thereof comprises a Wi-Fi access point; and
the method further comprises establishing a Wi-Fi connection between the Wi-Fi device and the Wi-Fi access point device via the Wi-Fi adapter and the Wi-Fi access point.
29 . The method of claim 16 , further comprising:
seamlessly establishing the wireless connection between the wireless unit and the wireless access point device; and
seamlessly connecting the wireless unit to the wireless communication network.