US 2010/0141604 A1 · RESISTIVE MULTI TOUCH SCREEN

Abstract

Methods, apparatuses, and systems for processing tactile input received at a display are disclosed. An apparatus may include a display comprising a tactile sensor and a display screen. The tactile sensor may include a top layer comprising a first plurality of resistive strips, wherein each of the resistive strips in the top layer are spaced apart from one another, a bottom layer comprising a second plurality of resistive strips, wherein each of the resistive strips in the bottom layer are spaced apart from one another, and a separator positioned between the first plurality of resistive strips of the top layer and the second plurality of resistive strips of the bottom layer, wherein the tactile sensor is configured to receive a tactile input to cause at least one of the resistive strips of the top layer to contact at least one of the plurality of resistive strips of the bottom layer.

Claims22

Dependent claims

An apparatus comprising:

a display comprising a tactile sensor and a display screen, wherein the tactile sensor comprises:
a top layer comprising a first plurality of resistive strips, wherein each of the resistive strips in the top layer is spaced apart from one another,
a bottom layer comprising a second plurality of resistive strips, wherein each of the resistive strips in the bottom layer are spaced apart from one another, and
a separator positioned between the first plurality of resistive strips of the top layer and the second plurality of resistive strips of the bottom layer, wherein the tactile sensor is configured to receive a tactile input to cause a first resistive strip of the top layer to contact a second resistive strip of the bottom layer.

1 more element

One or more computer readable media storing computer-executable instructions which, when executed by a processor, cause the processor to perform a method comprising:

sequentially applying an electrical pulse to an electrode of respective resistive strips included in one of a top layer and a bottom layer;
sequentially measuring resistance across resistive strip pairs as the electrical pulse is being applied to at least one of the resistive strips in a resistive strip pair, wherein each resistive strip pair includes a resistive strip from the top layer and a resistive strip from the bottom layer;
detecting a change in resistance of a first resistive strip pair due to tactile input during sequential resistance measurement;
and
determining coordinates of the tactile input on the first resistive strip pair.

2 more elements

An apparatus comprising:

a processor;
a memory having stored therein computer readable instructions, that when executed, cause the apparatus to:
sequentially apply an electrical pulse to an electrode of respective resistive strips included in one of a top layer and a bottom layer;
sequentially measure resistance across resistive strip pairs as the electrical pulse is being applied to at least one of the resistive strips in a resistive strip pair, wherein each resistive strip pair includes a resistive strip from the top layer and a resistive strip from the bottom layer;
detect a change in resistance of a first resistive strip pair due to tactile input during sequential resistance measurement;
and
determine coordinates of the tactile input on the first resistive strip pair.

4 more elements

Dependencies are inferred from the claim text.

Resistive multi touch screen

Life of this patent

Resistive multi touch screen

Life of this patent

Abstract

Claims22