Multi-function slider in touchpad

• US 8,537,121 B2
• Filed: 05/26/2006
• Issued: 09/17/2013
• Est. Priority Date: 05/26/2006
• Status: Expired due to Fees

• Current Assignee: Monterey Research, LLC (Vector Capital Corporation)
• Original Assignee: Cypress Semiconductor Corporation (Infineon Technologies AG)
• Inventors: XiaoPing, Jiang
• Primary Examiner(s): Eisen, Alexander
• Assistant Examiner(s): MISHLER, ROBIN J
• Application Number:
  US11/442,212
• Publication Number:
  US 20070273660A1
• Time in Patent Office: 2,671 Days
• Field of Search: 345/173
• US Class Current: 345/173
• CPC Class Codes: G06F 2203/0339 Touch strips, e.g. orthogonal touch strips to control cursor movement or scrolling; single touch strip to adjust parameter or to implement a row of soft keys
• CPC Class Codes: G06F 2203/04111 Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
• CPC Class Codes: G06F 3/0362 with detection of 1D translations or rotations of an operating part of the device, e.g. scroll wheels, sliders, knobs, rollers or belts
• CPC Class Codes: G06F 3/0445 using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
• CPC Class Codes: G06F 3/0446 using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
• CPC Class Codes: G06F 3/0448 Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality

Abstract

A method and apparatus is disclosed herein for providing a touch-sensor device. In one embodiment, the method includes receiving data indicative of movement of a conductive object on a first area of a touch-sensor device. The method further includes detecting data indicative of a presence of the conductive object in one of a plurality of one dimensional positions on a second area of the touch-sensor device, the second area being different than the first area, and determining in which one of the plurality of one dimensional positions is the presence detected.

Claims

1. A method comprising:

receiving data indicative of movement of a conductive object on a first area of a touch-sensor device, wherein the first area comprises a multi-dimensional sensor array having a plurality of columns and rows of first sensor elements;

receiving data indicative of a presence of the conductive object on a second area of the touch-sensor device, the second area being different than the first area, wherein the second area comprises a one-dimensional sensor array having a plurality of second sensor elements and a plurality of indication sensor elements corresponding to a plurality of positions on the second area of the touch-sensor device, wherein each of the plurality of second sensor elements shares a column trace with a corresponding column of first sensor elements, and wherein the plurality of indication sensor elements are coupled to a row trace that is not shared with the plurality of first sensor elements, wherein the plurality of rows of first sensor elements have a first row height and the plurality of second sensor elements have a second row height, the second row height being different than the first row height;

responsive to receiving the data indicative of the presence from the indication sensor element, detecting the presence in one of the plurality of positions detected without performing an X-Y dimension comparison within the second area of the touch-sensor device; and

processing, by a processing device, a function mapped to the one of the plurality of positions based on detecting the presence in the one of the plurality of positions wherein a different function is mapped to each of the plurality of one positions, and wherein the multi-dimensional sensor array is coupled to the processing device through a plurality of pins and wherein the one-dimensional sensor array is coupled to the processing device through an additional pin separate from the plurality of pins, wherein each of the first sensor elements has a first shape, each of the second sensor elements has a second shape, and each of the indication sensor elements has a third shape, the first shape, the second shape, and the third shape being different from one another.

2. The method of claim 1, wherein the detected movement on the first area is movement of an absolute position of the conductive object on the first area, and the detected presence is a relative position among one of the plurality of positions of the second area.

3. The method of claim 1, wherein the data indicative of the presence is data indicative of a tap.

4. The method of claim 1, wherein the data indicative of the presence is data indicative of a touch.

5. The method of claim 1, wherein the touch-sensor device is a capacitive sensing array comprising a plurality of capacitive sensing elements.

6. The method of claim 5, wherein the plurality of capacitive elements are formed by a plurality of conductive pads disposed below an insulating layer.

7. The method of claim 1, wherein the processing of the function further comprises:

triggering the function; and

receiving data indicative of movement of a conductive object across the second area of the touch-sensor device, the movement data being input data for the triggered function.

8. The method of claim 1, wherein the function is selected from a group consisting of a program start, shortcut menu, minimize window, maximize window, close window, resize window, left button, middle button, right button, contrast adjustment, volume adjustment, scroll vertical, or scroll horizontal.

9. An apparatus, comprising:

a first area of a touch-sensor device to produce data indicative of movement of a conductive object on the first area;

a second area of the touch-sensor device, the second area being different from the first area, to produce data indicative of a presence of the conductive object in one of a plurality of positions on the second area of the touch-sensor device, wherein the first area of the touch-sensor device comprises a multi-dimensional sensor array having a plurality of columns and rows of first sensor elements and the second area of the touch-sensor device comprises a single-dimensional sensor array having a plurality of second sensor elements and a plurality of indication sensor elements corresponding to the plurality of positions on the second area of the touch-sensor device, wherein each of the plurality of second sensor elements corresponds to each of the plurality of columns of first sensor elements and shares a column trace with a corresponding column of first sensor elements, and wherein the plurality of indication sensor elements are coupled to a row trace that is not shared by the plurality of first sensor elements, wherein the plurality of rows of first sensor elements have a first row height and the plurality of second sensor elements have a second row height, the second row height being different than the first row height; and

a processing logic to process a function mapped to the one of the plurality of positions based upon which the data indicative of the presence, wherein a different function is mapped to each of the plurality of positions, and wherein the position is determined without performing an X-Y dimension comparison within the second area of the touch-sensor device, and wherein the multi-dimensional sensor array is coupled to the processing logic through a plurality of pins and wherein the single-dimensional sensor array is coupled to the processing logic through an additional pin separate from the plurality of pins, wherein each of the first sensor elements has a first shape, each of the second sensor elements has a second shape, and each of the indication sensor elements has a third shape, wherein the first shape, the second shape, and third shape are different from one another.

10. The apparatus of claim 9, wherein the data indicative of movement of the conductive object on the first area is data indicative of movement of an absolute position of the conductive object on the first area, and the data indicative of the presence is data indicative of a relative position among one of the plurality of positions.

11. The apparatus of claim 9, wherein the data indicative of the presence is data indicative of a tap.

12. The apparatus of claim 9, wherein the data indicative of the presence is data indicative of a touch.

13. The apparatus of claim 9, wherein the touch-sensor device is a capacitive sensing array comprising a plurality of capacitive sensing elements.

14. The apparatus of claim 13, wherein the plurality of capacitive sensing elements is formed by a plurality of conductive pads disposed below an insulating layer.

15. The apparatus of claim 9, wherein the function to be processed by processing logic is a function triggering, the function triggering to produce input data utilized by processing logic to process the function in response to data indicative of movement of a conductive object across the second area of the touch-sensor device.

16. The apparatus of claim 9, wherein the function to be processed by processing logic is selected from a group consisting of a program start, shortcut menu, minimize window, maximize window, close window, resize window, left button, middle button, right button, contrast adjustment, volume adjustment, scroll vertical, or scroll horizontal.

17. The apparatus of claim 9, wherein the second row height is greater than the first row height.

18. The apparatus of claim 9, wherein the first shape is a diamond and the second shape is a rectangle.