1. A speech recognition method, comprising:
maintaining a database of words;
assigning a probability to each of the words which indicates a prevalence of use of the word;
receiving an utterance for speech recognition purposes; and
matching the utterance with one of the words in the database based at least in part on the probability;
wherein the words include names of streets;
wherein the probability is determined using statistical data corresponding to use of the streets;
wherein the statistical data includes traffic counts.
2. The method as recited in claim 1, wherein the statistical data includes traffic along the streets and along intersecting streets.
3. The method as recited in claim 1, wherein the speech recognition is carried out over a network.
4. The method as recited in claim 1, wherein the traffic counts include traffic along one of the streets and along a plurality of intersecting streets.
5. The method as recited in claim 1, wherein the traffic counts are provided for each intersection of one of the streets and at least another one of the streets.
6. The method as recited in claim 1, wherein the traffic counts indicate an importance of one of the streets.
7. The method as recited in claim 1, wherein the statistical data associated with one of the streets includes an aggregation of traffic counts for the street and a plurality of intersecting streets.
8. The method as recited in claim 7, wherein the aggregated traffic counts is normalized and used to categorize the street in terms of the prevalence of use of the street.
9. The method as recited in claim 1, wherein matching the utterance with one of the words includes matching one of the words with a highest probability to the utterance.
10. A computer-readable medium storing computer-executable program instructions capable of controlling a system to carry out a method, the method comprising:
maintaining a database of words;
assigning a probability to each of the words which indicates a prevalence of use of the word;
receiving an utterance for speech recognition purposes; and
matching the utterance with one of the words in the database based at least in part on the probability;
wherein the words include names of streets;
wherein the probability is determined using statistical data corresponding to use of the streets;
wherein the statistical data includes traffic counts.
11. The computer-readable medium as recited in claim 10, wherein the statistical data includes traffic along the streets and along intersecting streets.
12. The computer-readable medium as recited in claim 10, wherein the speech recognition is carried out over a network.
13. A system, comprising:
hardware logic for maintaining a database of words;
hardware logic for assigning a probability to each of the words which indicates a prevalence of use of the word;
hardware logic for receiving an utterance for speech recognition purposes; and
hardware logic for matching the utterance with one of the words in the database based at least in part on the probability;
wherein the words include names of streets;
wherein the probability is determined using statistical data corresponding to use of the streets;
wherein the statistical data includes traffic counts.
14. The system as recited in claim 13, wherein the statistical data includes traffic along the streets and along intersecting streets.
15. The system as recited in claim 13, wherein the speech recognition is carried out over a network.
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 hand-held machine tool comprising:
a striking element accelerated along a working axis;
a guide for the striking element; and
an impact absorber that limits the motion of the striking element along the working axis, the impact absorber including an elastic damping ring;
wherein the damping ring includes first and second face sides, an inner surface extending between the first and second face sides, and an outer circumference extending between the first and second face sides;
wherein the damping ring includes a plurality of recesses that each extend axially across the outer circumference of the damping ring from the first face side to the second face side; and
wherein the plurality of recesses are formed by radial concavities opposed by radial convexities.
2. A hand-held machine tool according to claim 1, wherein the plurality of recesses divide a contact surface into several separate segments along the circumference.
3. A hand-held machine too according to claim 1, wherein:
the guide includes a movable sleeve that can move along the working axis; and
the movable sleeve is pre-stressed along the working axis by the elastic damping ring.
4. A hand-held machine tool according to claim 3, wherein the movable sleeve has a stop surface for a radially projecting bead of the striking element, the stop surface oriented at least partially in the direction of the working axis.
5. A hand-held machine tool according claim 1, wherein the plurality of recesses have a depth of between about 5% and 10% of the cross-section width of the damping ring.
6. A hand-held machine tool comprising:
a striking element accelerated along a working axis;
a guide for the striking element; and
an impact absorber that limits the motion of the striking element along the working axis, the impact absorber including an elastic damping ring;
wherein the damping ring includes first and second face sides, an inner surface extending between the first and second face sides, and an outer circumference extending between the first and second face sides;
wherein the damping ring includes a plurality of recesses that each extend radially across the first face side from the inner surface to the outer circumference; and
wherein the plurality of recesses each include a separate concavity on the first face side and a corresponding, separate convexity on the second face side of the damping ring.
7. A hand-held machine tool according to claim 6, wherein the plurality of recesses divide a contact surface of the first face side.
8. A hand-held machine too according to claim 6, wherein:
the guide includes a movable sleeve that can move along the working axis; and
the movable sleeve is pre-stressed along the working axis by the elastic damping ring.
9. A hand-held machine tool according to claim 8, wherein the movable sleeve has a stop surface for a radially projecting bead of the striking element, the stop surface oriented at least partially in the direction of the working axis.
10. A hand-held machine tool according claim 6, wherein the plurality of recesses have a depth of between about 5% and 10% of the cross-section width of the damping ring.
11. A hand-held machine tool comprising:
a striking element accelerated along a working axis;
a guide for the striking element; and
an impact absorber that limits the motion of the striking element along the working axis, the impact absorber including an elastic damping ring;
wherein the damping ring includes first and second face sides, an inner surface extending between the first and second side faces, and an outer circumference extending between the first and second face sides;
wherein the damping ring includes a plurality of recesses that each extend radially across the first face side of the damping ring from the inner surface to the outer circumference;
wherein the damping ring inner surface is devoid of any recesses; and
wherein the guide includes a movable sleeve that can move along the working axis, and the movable sleeve is pre-stressed along the working axis by the elastic damping ring.
12. A hand-held machine tool according to claim 11, wherein the plurality of recesses divide a contact surface of the first face side.
13. A hand-held machine tool according to claim 11, characterized in that the plurality of recesses take up a surface percentage from about 5% to 15% of a contact surface of the first face side.
14. A hand-held machine tool according claim 11, wherein the plurality of recesses have a depth of between about 5% and 10% of the cross-section width of the damping ring.
15. A hand-held machine tool according to claim 11, wherein the movable sleeve has a stop surface for a radially projecting bead of the striking element, the stop surface oriented at least partially in the direction of the working axis.
16. A hand-held machine tool according to claim 11, wherein the movable sleeve is tensioned between two elastic damping rings, both of which have grooves running radially with respect to the working axis.
17. A hand-held machine tool according to claim 11, wherein the elastic damping ring includes knobs projecting perpendicular to the working axis.
18. A hand-held machine tool comprising:
a striking element accelerated along a working axis;
a guide for the striking element; and
an impact absorber that limits the motion of the striking element along the working axis;
wherein the guide includes a movable sleeve that can move along the working axis; and
wherein the movable sleeve is tensioned between two elastic damping rings at least one of which has grooves running radially with respect to the working axis.
19. A hand-held machine tool according to claim 18, wherein both elastic damping rings have grooves running radially with respect to the working axis.