1. An ion-sensitive circuit, comprising:
a charge-accumulation device to accumulate a plurality of charge packets as a function of an ion concentration of a fluid, including:
a first charge control electrode, above a first electrode semiconductor region, to control entry of charge into a gate semiconductor region in response to a first control signal applied to the first electrode; and
an electrically floating gate structure above a gate semiconductor region and below an ion-sensitive passivation surface configured to receive the fluid;
a second charge control electrode, above a second electrode semiconductor region, to control transmission of the plurality of charge packets out of the gate semiconductor region and into a drain diffusion region in response to a second control signal applied to the second electrode; and
a drain diffusion region to receive the plurality of charge packets from the gate semiconductor region via the second electrode semiconductor region,
at least one control and readout transistor to generate an output voltage as a function of the accumulated plurality of charge packets at the drain diffusion region of the charge accumulation device, wherein the output voltage is representative of the ion concentration of the solution.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method comprising:
storing a user profile specifying a plurality of addresses and corresponding location information, the user profile further specifying a current address;
receiving location information of a user associated with the user profile;
automatically updating the current address based on the received location information, without input from the user;
communicating with a browser application over a data network to modify the user profile by overriding the automatically updating the current address based on the received location information to specify the current location via the browser application; and
reverting to automatically updating the current address based on the received location information after a specified period of time subsequent to specifying the current location via the browser application.
2. A method according to claim 1, further comprising:
outputting the current address to a service control point (SCP) to complete a voice call with the user.
3. A method according to claim 2, wherein the voice call is established as part of a search service.
4. A method according to claim 2, wherein the user profile is stored in a service data point (SDP) that is configured to store call processing instructions.
5. A method according to claim 1, wherein the location information is received from a locator device within proximity of the user, the location information being based on a Global Positioning System (GPS).
6. A method according to claim 1, wherein the user profile further includes a schedule corresponding to the location information.
7. An apparatus comprising:
a memory configured to store a user profile specifying a plurality of addresses and corresponding location information, the user profile further specifying a current address;
a communication interface configured to receive location information of a user associated with the user profile;
a processor configured to automatically update the current address based on the received location information, without input from the user;
another communication interface configured to communicate with a browser application over a data network to modify the user profile by overriding the processor automatically updating the current address based on the received location information to specify the current location via the browser application; and reverting to automatically updating the current address based on the received location information after a specified period of time subsequent to specifying the current location via the browser application.
8. An apparatus according to claim 7, wherein the communication interface is further configured to output the current address to a service control point (SCP) to complete a voice call with the user.
9. An apparatus according to claim 8, wherein the voice call is established as part of a search service.
10. An apparatus according to claim 8, wherein the memory is further configured to store call processing instructions.
11. An apparatus according to claim 7, wherein the location information is received from a locator device within proximity of the user, the location information being based on a Global Positioning System (GPS).
12. An apparatus according to claim 7, wherein the user profile further includes a schedule corresponding to the location information.
13. A system comprising:
a database configured to store a user profile specifying a plurality of addresses and corresponding location information, the user profile further specifying a current address, wherein the current address is automatically updated based on received location information of a user associated with the user profile, without input from the user;
a service logic configured to access the user profile and to process a communication session based on the current address;
wherein the user profile is modified using a browser application over a data network by overriding the automatically updating the current address based on the received location information to specify the current location via the browser application; and
reverting to automatically updating the current address based on the received location information after a specified period of time subsequent to specifying the current location via the browser application.
14. A system according to claim 13, further comprising:
a switch coupled to the service logic and configured to establish the communication session with the user using the current address.
15. A system according to claim 13, wherein the communication session is a voice call that is established as part of a search service.
16. A system according to claim 13, wherein the location information is received from a locator device within proximity of the user, the location information being based on a Global Positioning System (GPS).
17. A system according to claim 13, wherein the user profile further includes a schedule corresponding to the location information.