Single layer sensor pattern

A capacitive sensing structure, comprising:

• a first sensing electrode extending in a first direction along a first edge of a sensing cell;
• a second sensing electrode extending in the first direction along a second edge of the sensing cell;
• a pair of transmit electrodes arranged adjacent to each other in a second direction at least substantially perpendicular to the first direction;
• a channel region extending in the first direction between the pair of transmit electrodes;
• a first transmit conductor extending in the first direction through the channel region of the sensing cell;
• a second transmit conductor extending in the first direction at least substantially parallel to the first transmit conductor within the channel region and terminating in the cell in electrical contact with a first one of the pair of transmit electrodes;
• and
• a third transmit conductor extending in the first direction at least substantially parallel to the first transmit conductor within the channel region and terminating in the cell in electrical contact with a second one the pair of transmit electrodes.

A capacitive sensor, comprising:

• a matrix of sensing cells arranged in rows and columns, wherein each sensing cell comprises:
• a first sensing electrode extending in a first direction;
• a pair of transmit electrodes arranged adjacent to each other in a second direction at least substantially perpendicular to the first direction;
• and
• a channel region extending in the first direction between the pair of transmit electrodes;
• wherein the first sensing electrodes of a plurality of sensing cells in each column are electrically connected in series to form a column sensing line;
• a first transmit conductor extending in the first direction through the channel regions of a plurality of sensing cells in one column and electrically contacting the pair of transmit electrodes in one of the sensing cells;
• a second transmit conductor extending in the first direction through the channel regions of the plurality of sensing cells in said one column at least substantially parallel to the first transmit conductor and terminating in another one of the sensing cells in electrical contact with a first one of the pair of transmit electrodes;
• and
• a third transmit conductor extending in the first direction through the channel regions of the plurality of sensing cells in said one column at least substantially parallel to the first transmit conductor and terminating in said another one of the sensing cells in electrical contact with a second one of the pair of transmit electrodes.

A capacitive sensing structure, comprising:

• columns of parallel-connected force trees, wherein each force tree forms a column of sensor cells and comprises:
• pairs of transmit electrodes extending along the column of sensor cells, each pair of transmit electrodes including a first transmit electrode connected in parallel with a second transmit electrode, and
• sets of force lines, each set of force lines connecting a pair of transmit electrodes to control circuitry and connecting the pair of transmit electrodes in parallel with other pairs of transmit electrodes in other respective force trees to form a row of sensor cells;
• columns of sensing electrodes each disposed between the columns of parallel-connected force trees;
• and
• sense lines connected to each column of sensing electrodes.