1. A tactile sensor comprising:
a plurality of first sensing elements that are arranged in a plurality of rows on a first layer; and
a plurality of second sensing elements that are vertically aligned in a plurality of columns on the first layer, with each of the second sensing elements in each column including multiple vertical elements that define rectangular-shaped projections that project vertically from horizontal elements, wherein each of the second sensing elements arranged in a column are electrically connected together and each of the plurality of columns of second sensing elements are arranged next to one another and are separate conductors from one another, wherein:
the plurality of first sensing elements each comprise a plurality of vertical elements that define rectangular-shaped projections that project vertically from horizontal elements;
at least a portion of the rectangular-shaped projections on both the first sensing elements and the second sensing elements are arranged in an alternating and offset pattern from both sides of the horizontal elements; and
the vertical elements of the first sensing elements form an interlocking pattern with the vertical elements of the second sensing elements.
2. The tactile sensor of claim 1 wherein the plurality of first sensing elements and the plurality of second sensing elements are formed using copper etching.
3. The tactile sensor of claim 1 wherein the plurality of first sensing elements are electrically isolated from the plurality of second sensing elements.
4. The tactile sensor of claim 1 wherein each of the plurality of first sensing elements forms a continuous horizontal line and each column of the plurality of second sensing elements interfaces along each of the continuous horizontal sensing elements.
5. A computing device comprising:
at least one memory;
at least one processor; and
a tactile sensor, wherein the tactile sensor comprises:
a plurality of first sensing elements that are arranged in a plurality of rows on a first layer; and
a plurality of second sensing elements that are vertically aligned in a plurality of columns on the first layer, with each of the second sensing elements in each column including multiple vertical elements that define rectangular-shaped projections that project vertically from horizontal elements, wherein each of the second sensing elements arranged in a column are electrically connected together and each of the plurality of columns of second sensing elements are arranged next to one another and are separate conductors from one another, wherein:
the plurality of first sensing elements each comprise a plurality of vertical elements that define rectangular-shaped projections that project vertically from horizontal elements;
at least a portion of the rectangular-shaped projections on both the first sensing elements and the second sensing elements are arranged in an alternating and offset pattern from both sides of the horizontal elements; and
the vertical elements of the first sensing elements form an interlocking pattern with the vertical elements of the second sensing elements.
6. The computing device of claim 5 wherein each of the plurality of first sensing elements forms a continuous horizontal line and each column of the plurality of second sensing elements interfaces along each of the continuous horizontal sensing elements.
7. The computing device of claim 5 wherein the plurality of first sensing elements and the plurality of second sensing elements are formed using copper etching.
8. The computing device of claim 5 wherein the plurality of first sensing elements are electrically isolated from the plurality of second sensing elements.
9. A tactile sensor comprising:
a plurality of first sensing elements that are arranged in a plurality of rows on a first layer; and
a plurality of second sensing elements that are vertically aligned in a plurality of columns on the first layer, with each of the second sensing elements in each column including multiple vertical elements that define square-shaped projections that project vertically from horizontal elements, wherein each of the second sensing elements arranged in a column are electrically connected together and each of the plurality of columns of second sensing elements are arranged next to one another and are separate conductors from one another, wherein:
the plurality of first sensing elements each comprise a plurality of vertical elements that define square-shaped projections that project vertically from horizontal elements;
at least a portion of the square-shaped projections on both the first sensing elements and the second sensing elements are arranged in an alternating and offset pattern from both sides of the horizontal elements; and
the vertical elements of the first sensing elements form an interlocking pattern with the vertical elements of the second sensing elements.
10. The tactile sensor of claim 9 wherein the plurality of first sensing elements and the plurality of second sensing elements are formed using copper etching.
11. The tactile sensor of claim 9 wherein the plurality of first sensing elements are electrically isolated from the plurality of second sensing elements.
12. The tactile sensor of claim 9 wherein each of the plurality of first sensing elements forms a continuous horizontal line and each column of the plurality of second sensing elements interfaces along each of the continuous horizontal sensing elements.
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 for processing signals in a communication system, comprising
time-advance sampling a state sample of the main sequence which includes a PN sequence;
generating a state signal based on the time-advanced state sample and a first igniter sequence;
spreading a data steam based on the first main sequence; and
transmitting the state signal and a data signal which corresponds to the spread data stream.
2. The method of claim 1, further comprising
receiving and despreading the state signal based on a second igniter sequence; and
receiving and despreading the data signal based on the despread state signal and a second main sequence which includes a PN sequence.
3. The method of claim 2, wherein the first and second main sequences are generated by shift register generators (SRGs) which have different structures.
4. The method of claim 1, wherein the first igniter sequence and the first main sequence are transmitted simultaneously.
5. The method of claim 1, wherein the first igniter sequence has a period having a start time which corresponds to a position of a single bit of a multi-bit string value.
6. The method of claim 1, further comprising:
receiving and synchronizing the first igniter sequence by:
acquiring the first igniter sequence transmitted from a transmitter of the communication system; and
determining an acquisition completion of the first igniter sequence.
7. A method for processing signals in a receiver, comprising:
receiving and despreading a state signal based on an igniter sequence; and
receiving and despreading a data signal based on the despread state signal and a main sequence which includes a PN sequence.
8. The method of claim 7, further comprising:
detecting a state sample based on the despread state signal by tracking the main sequence;
reconfirming a synchronization state obtained during the detecting step; and
continuing the detecting step in succession when an accurate acquisition is confirmed by observing detection characteristics for a prescribed period of time.