1. A positioning system for estimating the position of a receiver that has a wireless communication function and a receiving function for signals used in GPS positioning, the system comprising:
reception state information acquisition means for acquiring reception state information indicating the reception state of a radio wave produced by the wireless communication function of the receiver;
approximate position estimation means for estimating the approximate position of the receiver and computing the precision of the approximate position on the basis of the reception state information acquired by the reception state information acquisition means;
end decision means for deciding whether or not to end the estimation of the position of the receiver on the basis of the precision computed by the approximate position estimation means, and, if it is decided to end the estimation, estimating the position of the receiver as the approximate position estimated by the approximate position estimation means and ending the estimation of the position;
indooroutdoor determination means for determining whether the receiver is indoors or outdoors on the basis of the reception state information acquired by the reception state information acquisition means; and
positioning control means for controlling the execution of GPS positioning of the receiver on the basis of a result of decision by the end decision means and a result of determination by the indooroutdoor determination means.
2. The positioning system according to claim 1, wherein the positioning control means controls the execution of positioning that estimates the position of the receiver on the basis of the result of decision by the end decision means and the result of determination by the indooroutdoor determination means and also on the basis of new reception state information acquired by the reception state information acquisition means, at a timing that differs from that of the reception state information used to estimate the approximate position by the approximate position estimation means.
3. The positioning system according to claim 2,
wherein the reception state information acquisition means acquires strength information indicating the reception strength corresponding to an emission source of the radio wave as the reception state information, and
the estimation of the approximate position by the approximate position estimation means and the estimation of the position of the receiver which uses the reception state information and the execution of which is controlled by the positioning control means, are carried out by a method in which the position of the receiver is estimated by storing in advance information indicating the relation between the position and reception strength of the radio wave corresponding to the emission source of the radio wave, and by comparing the strength information acquired by the reception state information acquisition means with the information stored in advance.
4. The positioning system according to claim 1,
wherein the reception state information acquisition means acquires information indicating the emission source of the radio wave received by the receiver as the reception state information,
the approximate position estimation means acquires information indicating the size of a communication area of the emission source indicated by the information acquired by the reception state information acquisition means, and estimates the position of the receiver on the basis of the size of the communication area, and
the end decision means decides whether or not to end the position estimation by the position estimation means on the basis of the information indicating the size of the communication area of the emission source acquired by the approximate position estimation means.
5. A positioning method for estimating the position of a receiver that has a wireless communication function and a receiving function for signals used in GPS positioning, the method comprising:
a reception state information acquisition step of acquiring reception state information indicating the reception state of a radio wave produced by the wireless communication function of the receiver;
an approximate position estimation step of estimating the approximate position of the receiver and computing the precision of the approximate position on the basis of the reception state information acquired in the reception state information acquisition step;
an end decision step of deciding whether or not to end the estimation of the position of the receiver on the basis of the precision computed in the approximate position estimation step, and, if it is decided to end the estimation, estimating the position of the receiver as the approximate position approximate position estimated in the approximate position estimation step and ending the estimation of the position;
an indooroutdoor determination step of determining whether the receiver is indoors or outdoors on the basis of the reception state information acquired in the reception state information acquisition step; and
a positioning control step of controlling the execution of GPS positioning of the receiver on the basis of a result of decision in the end decision step and a result of determination in the indooroutdoor determination step.
6. A method comprising:
(a) estimating the location of a wireless terminal via a first technique that does not use the Global Positioning System;
(b) initiating estimation of the location of said wireless terminal via a second technique that uses the Global Positioning System when, and only when:
(i) the error associated with the estimate obtained by the first technique is above a threshold, and
(ii) said wireless terminal is estimated to be outdoors; and
(c) transmitting the location estimated by said second technique when said second technique is performed.
7. The method of claim 6 wherein said wireless terminal refrains from receiving Global Positioning System signals while performing said first technique.
8. The method of claim 6 further comprising estimating whether or not said wireless terminal is outdoors.
9. The method of claim 8 wherein said wireless terminal refrains from receiving Global Positioning System signals while performing said first technique, and while estimating whether or not said wireless terminal is outdoors.
10. The method of claim 6 wherein said first technique is based on a Cell Identifier received by said wireless terminal.
11. The method of claim 10 wherein the error associated with said first technique is based on the area of the cell that is associated with said Cell Identifier.
12. The method of claim 6 wherein said first technique is based on pattern matching one or more signal strengths as received at said wireless terminal.
13. The method of claim 6 wherein said first technique is not performed by said wireless terminal.
14. A method comprising:
(a) estimating the location of a wireless terminal via a first technique and via a second technique, wherein said first technique does not use the Global Positioning System, and wherein said second technique does not use the Global Positioning System;
(b) initiating estimation of the location of said wireless terminal via a third technique that uses the Global Positioning System when, and only when:
(i) the error associated with the estimate obtained by the first technique is above a threshold,
(ii) the error associated with the estimate obtained by the second technique is above said threshold, and
(iii) said wireless terminal is estimated to be outdoors; and
(c) transmitting the location estimated by said third technique when said third technique is performed.
15. The method of claim 14 wherein said wireless terminal refrains from receiving Global Positioning System signals while performing said first technique and said second technique.
16. The method of claim 14 further comprising estimating whether or not said wireless terminal is outdoors.
17. The method of claim 16 wherein said wireless terminal refrains from receiving Global Positioning System signals while performing said first technique and said second technique, and while estimating whether or not said wireless terminal is outdoors.
18. The method of claim 14 wherein said first technique is based on a Cell Identifier received by said wireless terminal.
19. The method of claim 18 wherein the error associated with said first technique is based on the area of the cell that is associated with said Cell Identifier.
20. The method of claim 14 wherein said second technique is based on pattern matching one or more signal strengths as received at said wireless terminal.
21. The method of claim 14 wherein at least one of said first technique and said second technique is not performed by said wireless terminal.
22. A method comprising:
(a) estimating the location of a wireless terminal via a first technique that does not use the Global Positioning System;
(b) when the error associated with the estimate obtained by the first technique is above a threshold, estimating the location of said wireless terminal via a second technique that does not use the Global Positioning System; and
(c) when the errors associated with the estimates obtained by the first technique and the second technique are both above said threshold, estimating whether or not said wireless terminal is outdoors; and
(d) when the errors associated with the estimates obtained by the first technique and the second technique are both above said threshold, and said wireless terminal is estimated to be outdoors:
(i) estimating the location of said wireless terminal via a third technique that uses the Global Positioning System, and
(ii) transmitting the location estimated by said third technique.
23. The method of claim 22 wherein said wireless terminal refrains from receiving Global Positioning System signals while performing said first technique and said second technique, and while estimating whether or not said wireless terminal is outdoors.
24. The method of claim 22 wherein said first technique is based on a Cell Identifier received by said wireless terminal.
25. The method of claim 24 wherein the error associated with said first technique is based on the area of the cell that is associated with said Cell Identifier.
26. The method of claim 22 wherein said second technique is based on pattern matching one or more signal strengths as received at said wireless terminal.
27. The method of claim 26 wherein at least one of said first technique and said second technique is not performed by said wireless 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. A mould segment of a vulcanisation mould for vehicle tyres with the following features:
a) A mould surface for creating the profile tread of the tyre with
b) at least one groove-shaped cut-out;
c) A lamella for creating the profile tread of the tyre is inserted into at least one of the cut-outs;
d) The lamella projects out of the cut-out, over the opening mouth of the cut-out;
e) The lamella exhibits in its section inserted into the cut-out at least one laterally projecting part piece,
f) A side of the part piece, turned towards the opening mouth is spaced from the opening mouth, whereby
g) arranged between the side of the part piece turned towards the opening mouth and the opening mouth itself is a fixing element connected to the side wall of the cut-out, said fixing element being made of wire.
2. The mould segment according to claim 1 with said mould surface being essentially curved in concave fashion.
3. The mould segment according to claim 1, in which the mould surface exhibits mould parts for creating the profile tread of the tyre.
4. The mould segment according to claim 1, with at least one section of the cut-out bent on the end side.
5. The mould segment according to claim 1, with side walls of the cut-out running essentially perpendicular to the mould surface.
6. The mould segment according to claim 1, with which the side of the part piece turned towards the opening mouth runs essentially parallel to the opening mouth.
7. The mould segment according to claim 1, with which the lamella and part piece are formed monolithically.
8. The mould segment according to claim 7, with which the part piece is curved out of the lamella.
9. The mould segment according to claim 1, with which the fixing element is welded to the side wall of the cut-out.
10. The mould segment according to claim 1, with which the fixing element extends over the length between the upper side of the part piece and the opening mouth.
11. The mould segment according to claim 1, with which a side of the fixing element facing away from the part piece runs at least in sections in the plane of the opening mouth.
12. The mould segment according to claim 1, wherein said fixing element is made of a material which is capable of being welded to the side wall of the cut-out.
13. The mould segment according to claim 1, in which said lamella has two broad sides as main surfaces and two narrow sides between said two broad sides.
14. The mould segment according to claim 13, with said part piece projecting from at least one of the broad sides of the lamella.
15. The mould segment according to claim 13, with said part piece projecting from at least one of the narrow sides of the lamella.