1. A computer implemented method of managing a wireless session, comprising:
receiving a first non-encrypted session request from a wireless device;
sending a non-encrypted HTTP cookie comprising a first creation time to said wireless device in response to said receiving a first non-encrypted session request;
receiving encrypted session information from said wireless device;
sending an encrypted HTTP cookie comprising a second creation time to said wireless device in response to said receiving encrypted session information;
receiving a second non-encrypted session request from said wireless device;
receiving one of said non-encrypted HTTP cookie and said encrypted HTTP cookie, wherein said receiving one of said cookies is determined by a most recent creation time of said first creation time and said second creation time; and
maintaining said second non-encrypted session without invalidating either of said encrypted or non-encrypted HTTP cookie of said wireless device.
2. The method of claim 1, wherein said non-encrypted HTTP cookie is received by a gateway.
3. The method of claim 2, wherein said determining a most recent creation time is determined by said gateway.
4. The method of claim 1, wherein said encrypted HTTP cookie is received by said wireless device.
5. The method of claim 1, wherein said first creation time and said second creation time is included in a header of said non-encrypted HTTP cookie and said encrypted HTTP cookie, respectively.
6. The method of claim 5, further comprising: an expiration time included in said header.
7. A computer implemented method of managing a wireless session, comprising:
receiving a first non-encrypted session request from a wireless device to a server;
forwarding said first non-encrypted session request from said wireless device to said server;
receiving a non-encrypted HTTP cookie from said server, comprising a first creation time, in response to said first non-encrypted session request from said wireless device;
receiving a second non-encrypted session request from said wireless device to said server;
receiving an encrypted HTTP cookie, comprising a second creation time, from said wireless device in response to a former secure session with said server;
comparing said first creation time of said non-encrypted HTTP cookie with said second creation time of said encrypted HTTP cookie;
selecting a most recently created HTTP cookie from said non-encrypted HTTP cookie and said encrypted HTTP cookie;
forwarding said second non-encrypted session request from said wireless device to said server; and
forwarding said most recently created HTTP cookie to said server; wherein said second non-encrypted session is maintained without invalidating either of said encrypted or non-encrypted HTTP cookie of said wireless device.
8. The method of claim 7, wherein said non-encrypted HTTP cookie is stored on a gateway.
9. The method of claim 7, wherein said encrypted HTTP cookie is stored on said wireless device.
10. The method of claim 7, wherein said first creation time and said second creation time are included in a header of said non-encrypted HTTP cookie and said encrypted HTTP cookie, respectively.
11. The method of claim 10, further comprising: an expiration time included in said header.
12. A system of wireless communication, comprising:
a web based server, operable to communicate with one or more clients, via a web based browser and an interconnected computing network;
one or more wireless devices, operable to send requests to said web based server, and operable to store a secure HTTP cookie from said web based server in response to a secure session between said one or more wireless devices and said web based server; and
a gateway, operable to send requests from said one or more wireless devices to said web based server, and operable to store a non-secure HTTP cookie from said web based server in response to a non-secure session between said one or more wireless devices and said web based server, wherein said gateway is operable to compare a creation time from each of said secure and non-secure HTTP cookies and select a most recently created HTTP cookie for forwarding to said web based server for each request from said one or more wireless devices to said web based server.
13. The system of claim 12, wherein said creation time is included in a header of each of said secure and non-secure HTTP cookies.
14. The system of claim 13, further comprising: an expiration time included in said header.
15. The system of claim 12, wherein either of said secure session or said non-secure session is maintained without invalidating either of said secure HTTP cookie or said non-secure HTTP cookie, respectively.
16. The system of claim 12, wherein switching from one of said sessions to another of said sessions is maintained without invalidating either of said secure HTTP cookie or said non-secure HTTP cookie.
17. The system of claim 12, wherein said requests from said wireless devices to said web based server comprises translating wireless protocol commands into HTTP protocol commands, via a mobile-to-HTTP protocol gateway.
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 Micro-electro-mechanical-system (MEMS) micromirror for use in high fill factor arrays, comprising:
at least one stationary body;
a movable body having opposed ends and being secured to the stationary body at each of the opposed ends by a resilient primary axis pivot;
a mirror support supported by and movable with the movable body, the mirror support having a first unfettered side and a second unfettered side;
a primary axis actuator comprising a fixed portion connected to the stationary body, and a movable portion connected to the movable body, the movable portion being adapted to move away from the fixed portion in response to an electrical potential difference between the fixed portion and the movable portion, such that the movable body rotates about the primary axis resilient pivot; and
a mirror supported by the mirror support.
2. The MEMS micromirror apparatus of claim 1, wherein the at least one stationary body is mounted to a carrier wafer, the at least one stationary body comprising anchors for mounting the resilient primary axis pivot and the fixed portion of the primary axis actuator to the carrier wafer.
3. The MEMS micromirror apparatus of claim 1, wherein the mirror support extends in cantiliever fashion from one end of the movable body and has a remote unfettered end.
4. The MEMS micromirror apparatus of claim 1, wherein the primary axis actuator is a vertical combdrive actuator.
5. The MEMS micromirror apparatus of claim 1, wherein a secondary axis resilient pivot is positioned between the mirror support and the movable body, and there is provided a secondary axis actuator, the secondary axis actuator comprising a fixed portion connected to the movable body, and a movable portion connected to the mirror support, the movable portion being adapted to move away from the fixed portion in response to an electrical potential difference between the fixed portion and the movable portion, such that the mirror support rotates about the secondary axis resilient pivot.
6. The MEMS micromirror apparatus of claim 5, wherein the secondary axis actuator is a vertical combdrive actuator.
7. The MEMS micromirror apparatus of claim 5, wherein the at least one stationary body is mounted to a carrier wafer, the at least one stationary body comprising more than one anchor, the fixed portion of the secondary axis actuator being electrically connected to an electrode on the carrier wafer, the movable portion of the secondary axis being electrically connected to another electrode on the carrier wafer.
8. The MEMS micromirror apparatus of claim 5, wherein the secondary axis actuator is a parallel plate electrostatic actuator.
9. The MEMS micromirror apparatus of claim 5, wherein the micromirror apparatus is etched from a single silicon wafer, with the primary axis actuator being electrically isolated from the secondary axis actuator.
10. The MEMS micromirror apparatus of claim 9, wherein the primary axis actuator and the secondary axis actuator are connected to an actuation electrical signal source by electrodes on the carrier wafer.
11. The MEMS micromirror apparatus of claim 9, wherein the primary axis actuator and the secondary axis actuator are electrically isolated by a trench filled with dielectric material.
12. The MEMS micromirror apparatus of claim 5, wherein each of the primary axis resilient pivot and the secondary axis resilient pivot are one of V-shaped, wedge-shaped, or parallel bands.
13. The MEMS micromirror apparatus of claim 7, the carrier wafer having supporting structures, the anchors being connected to the supporting structures, wherein the electrodes are formed on top of the supporting structures.
14. The MEMS micromirror apparatus of claim 2, wherein the carrier wafer is a Pyrex glass wafer or silicon wafer.
15. The MEMS micromirror apparatus of claim 2, wherein the carrier wafer is etched to form supporting structures, the anchors being mounted to the supporting structures and to form a cavity or through hole below at least one of the mirror support and the movable body.
16. The MEMS micromirror apparatus of claim 1, wherein at least three of the MEMS micromirror apparatus are arranged in an array with each body positioned in parallel spaced relation with the first unfettered side of a mirror support of a first of the at least three MEMS micromirror apparatus is positioned immediately next to the second unfettered side of a mirror support for a second of the at least three MEMS micromirror apparatus and the second unfettered side of the first mirror support of the first of the at least three MEMS micromirror apparatus is positioned immediately next to the first unfettered side of a mirror support for a third of the at least three MEMS micromirror apparatus.
17. The MEMS micromirror apparatus of claim 3, wherein at least three of the MEMS micromirror apparatus are arranged in an array with each body positioned in parallel spaced relation with the first unfettered side of a mirror support of a first of the at least three MEMS micromirror apparatus is positioned immediately next to the second unfettered side of a mirror support for a second of the at least three MEMS micromirror apparatus and the second unfettered side of tie first mirror support of the first of the at least three MEMS micromirror apparatus is positioned immediately next to the first unfettered side of a mirror support for a third of the at least three MEMS micromirror apparatus.
18. The MEMS micromirror apparatus of claim 3, wherein at least three of the MEMS micromirror apparatus are arranged in an array with each body positioned along parallel axes in an alternating pattern, with the first unfettered side of a mirror support for a first of the at least three MEMS micromirror apparatus positioned immediately next to the first unfettered side of a mirror support for a second of the at least three MEMS micromirror apparatus and the second unfettered side of the mirror support for the first of the at least three MEMS micromirror apparatus is positioned immediately next to the second unfettered side of a mirror support for a third of the at least three MEMS micromirror apparatus.
19. The MEMS micromirror apparatus of claim 3, wherein two of the MEMS micromirror apparatus are arranged in end to end relation with the remote unfettered end of the mirror support for a first of the two MEMS micromirror apparatus is positioned immediately next to the remote unfettered end of the mirror support for a second of the two MEMS micromirror apparatus.
20. The MEMS micromirror apparatus of claim 3, wherein at least three of the MEMS micromirror apparatus are arranged in an array with each body positioned in parallel spaced relation with the first unfettered side of a mirror support of a first of the at least three MEMS micromirror apparatus is positioned immediately next to the second unfettered side of a mirror support for a second of the at least three MEMS micromirror apparatus and the second unfettered side of the first mirror support of the first of the at least three MEMS micromirror apparatus is positioned immediately next to the first unfettered side of a mirror support for a third of the at least three MEMS micromirror apparatus, and each of the at least three MEMS micromirror apparatus are arranged in end to end relation with other MEMS micromirror apparatus with the remote unfettered end of the mirror support for each of the at least three MEMS micromirror apparatus being positioned immediately next to the remote unfettered end of the mirror support of other MEMS micromirror apparatus.
21. The MEMS micromirror apparatus of claim 1, wherein the primary axis actuator comprises more than one vertical combdrive actuators, at least one of the vertical combdrive actuators being electrically isolated from the other vertical combdrive actuators such that the electrically isolated combdrive actuator acts as a position sensor for the primary axis actuator.
22. The MEMS micromirror apparatus of claim 21, wherein the capacitance of the electrically isolated combdrive actuator is related to the position of the primary axis actuator.