1. A method of operating a network node in a network for controlling an access domain switching behavior of a user terminal capable that can switch from a first network access domain to a second network access domain while a service is being provided to the user terminal, the method comprising the steps of:
receiving a request message from the user terminal;
sending, in response to the request message, a rule set including one or more access domain switching rules to the user terminal;
receiving access information from the user terminal, the access information relating to at least a first set of network access technologies technically supported by the user terminal; and
determining the rule set depending on the received access information.
2. The method of claim 1, wherein the request message aims at registering the user terminal in the network.
3. The method of claim 1, wherein the access information further relates to a second set of network accesses currently available to the user terminal.
4. The method of claim 1, further comprising determining the rule set depending on at least one of a time of the day, a network condition, a location of the user terminal and an identity of the user terminal.
5. The method of claim 1, further comprising the steps of:
monitoring if a subscription message is received, from the user terminal, in relation to a network application managing the access domain switching rules; and
sending the rule set in response to receipt of the subscription message.
6. The method of claim 5, further comprising the steps of:
starting a timer in context with receipt of the request message; and
sending the rule set only if the subscription message is received before the timer expires.
7. A method of operating a network node for controlling an access domain switching behavior of a user terminal that can switch from a first network access domain to a second network access domain while a service is being provided to the user terminal, the method comprising the steps of:
maintaining a rule set including one or more access domain switching rules for controlling the access domain switching behavior of the user terminal;
generating an access domain switching instruction for the user terminal based on the one or more access domain switching rules; and
sending the access domain switching instruction to the user terminal;
wherein the rule set is determined depending on access information relating to at least a first set of network access technologies technically supported by the user terminal.
8. The method of claim 7, wherein the access information further relates to a second set of network accesses currently available to the user terminal.
9. In a network, a method of controlling a user terminal that can switch from a first network access domain to a second network access domain while a service is being provided to the user terminal, the method comprising the steps of:
sending a request message to the network;
receiving, in response to the request message, a rule set including one or more access domain switching rules controlling an access domain switching behaviour of the user terminal; and
sending access information to the network, the access information relating to at least a first set of network access technologies technically supported by the user terminal.
10. The method of claim 9, wherein the access information further relates to a second set of network accesses currently available to the user terminal.
11. The method of claim 9, further comprising the steps of:
evaluating at least one access domain switching parameter, defined in the one or more access domain switching rules; and
autonomously performing an access domain switching decision in accordance with the evaluation of the at least one access domain switching parameter.
12. The method of claim 11, wherein the at least one access domain switching parameter is selected from the group including a time of the day, a network condition, a location of the user terminal and an identity of the user terminal.
13. The method of claim 9, further comprising the steps of:
receiving an access domain switching instruction from the network, the access domain switching instruction being defined in the one or more access domain switching rules; and
performing access domain switching in accordance with the received access domain switching instruction.
14. The method of claim 9, wherein the access domain switching is performed to initiate a transfer from the first network access domain to the second network access domain while the service is being provided to the user terminal.
15. The method of claim 9, wherein the access domain switching is performed to select either one of the first network access domain and the second network access domain for originating a service request.
16. The method of claim 9, further comprising the steps of:
sending a subscription message for subscribing to a network application in charge of managing the access domain switching rules; and
receiving the rule set in response to the subscription message.
17. The method of claim 9, wherein the first network access domain is a circuit-switched domain and the second network access domain is a packet-switched domain, or the first network access domain is a domain operated according to a first communication standard and the second network access domain is a domain operated according to a second communication standard.
18. The method of claim 9, wherein the rule set specifies the access domain switching behavior behaviour of the user terminal depending on at least one of a time of the day, a network condition, a location of the user terminal, an identity of the user terminal and an access domain switching instruction
19. The method of claim 9, wherein the one or more access domain switching rules allow, disallow or trigger an access domain transfer from the first network access domain to the second network access domain depending on the current location of the user terminal.
20.-21. (canceled)
22. A network node for controlling an access domain switching behavior of a user terminal capable of switching from a first network access domain to a second network access domain while a service is being provided to the user terminal, the network node comprising:
a first interface for receiving a request message from the User terminal;
a second interface for receiving, in response to the request message, a rule set including one or more access domain switching rules to the user terminal; and
a processor for determining the rule set based on at least a first set of network access technologies technically supported by the user terminal.
23. The network node of claim 22, wherein the processor for determining the rule set based on at least a first set of network access technologies further comprises determining one of a second set of network accesses currently available to the user terminal, a time of the day, a network condition, a location of the user terminal and an identity of the user terminal.
24. A network node for controlling an access domain switching behavior of a user terminal that can switch from a first network access domain to a second network access domain while a service is being provided to the user terminal, the network node comprising:
a database with a rule set including one or more access domain switching rules for controlling the access domain switching behavior of the user terminal;
a generator for generating an access domain switching instruction for the user terminal based on the one or more access domain switching rules; and
an interface for sending the access domain switching instruction the user terminal, wherein the rule set is determined depending on access information relating to at least a first set of network access technologies technically supported by the user terminal.
25. The network node of claim 24, wherein the access information further relates to a second set of network accesses, currently available to the user terminal.
26. A user terminal in a network for switching from a first network access domain to a second network access domain while a service is being provided to the user terminal, the user terminal comprising:
a first interface for sending a request message to the network; and
a second interface for receiving, in response to the request message, a rule set including one or more access domain switching rules controlling an access domain switching decision of the user terminal, wherein the user terminal is further adapted to send access information to the network, the access information relating to at least a first set of network access technologies technically supported by the user terminal.
27. The user terminal of claim 26, wherein the access information further relates to a second set of network accesses currently available to the user terminal.
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. An image capturing device, comprising:
a base including a top face, a bottom face, a surrounding wall extending upward from said top face, and an opening formed in said top face and located within said surrounding wall, said bottom face of said base being formed with an access space that is communicated with said opening;
a lens module including an adjusting seat that extends partly through said opening, and that is coupled rotatably to said base, a fixed lens set provided within said adjusting seat, and a liquid lens provided within said adjusting seat, said adjusting seat having spaced-apart first and second through holes, said liquid lens having first and second electrode portions; and
an electrically conducting mechanism including a first conducting member surrounding an outer surface of said surrounding wall, a second conducting member surrounding an inner surface of said surrounding wall, a third conducting member provided within said adjusting seat, abutting against said first electrode portion, and extending partly through said first through hole so as to contact said first conducting member, and a fourth conducting member disposed within said adjusting seat, spaced apart from said third conducting member, abutting against said second electrode portion, and extending partly through said second through hole so as to contact said second conducting member, said first and second electrode portions of said liquid lens being connected electrically and respectively to said first and second conducting members via said third and fourth conducting members when said adjusting seat is rotated relative to said base.
2. The image capturing device according to claim 1, wherein said surrounding wall is annular.
3. The image capturing device according to claim 2, wherein said first conducting member has a first ring portion fitted around said outer surface of said surrounding wall and abutting against said third conducting member, and a first conducting portion extending from said first ring portion to said bottom face of said base.
4. The image capturing device according to claim 3, wherein said third conducting member has a first contact portion fitted around an outer surface of said first electrode portion, and a first resilient tab extending from said first contact portion through said first through hole and abutting against said first ring portion.
5. The image capturing device according to claim 3, wherein said base includes a first limiting groove provided in said top face and located at one side of said opening, and a first post hole extending from said first limiting groove to said bottom face, said first conducting portion including a first limiting tab extending radially outward from said first ring portion and received in said first limiting groove, and a first guide post coupled to said first limiting tab and extending into said first post hole.
6. The image capturing device according to claim 2, wherein said second conducting member has a second ring portion abutting against said inner surface of said surrounding wall and said fourth conducting member, and a second conducting portion extending from said second ring portion to said bottom face of said base.
7. The image capturing device according to claim 6, wherein said fourth conducting member has a second contact portion abutting against said second electrode portion, and a second resilient tab extending from said second contact portion through said second through hole and abutting against said second ring portion.
8. The image capturing device according to claim 6, wherein said base includes a second limiting groove provided in said top face, located at one side of said opening, and extending to said inner surface of said surrounding wall, and a second post hole extending from said second limiting groove to said bottom face, said second conducting portion including a second limiting tab extending radially outward from said second ring portion and received in said second limiting groove, and a second guide post coupled to said second limiting tab and extending into said second post hole.
9. The image capturing device according to claim 2, wherein said adjusting seat has a base wall, a first surrounding wall segment extending upward from said base wall, and a second surrounding wall segment extending downward from said base wall and coupled to said base, said liquid lens being received within said first surrounding wall segment, said fixed lens set being received within said second surrounding wall segment.
10. The image capturing device according to claim 9, wherein said base includes an internally threaded portion, said adjusting seat having an externally threaded portion surrounding an outer surface of said second surrounding wall segment and threadedly engaging said internally threaded portion.
11. The image capturing device according to claim 9, wherein said first and second through holes are formed respectively in said base wall.