Back to results
US 12,591,322 B2Granted
Touch input system including pen and controller
AssigneeHiDeep Inc.
InventorsSeyeob Kim, Bonkee Kim, Young ho Cho, HwanHee Lee, Giduk Kim, Joohyun Go, Mun Sub Byun, Hyoungwook Woo, Kiryoung Jung, Ho Jun Moon
Life of this patent
Estimating the term…
Abstract
A pen and touch input system according to an embodiment of the present invention includes a touch input device including a sensor unit and a control unit for controlling the sensor unit and a stylus pen interacting with the touch input device.
Claims59
A pen and touch input system comprising:
- a touch input device comprising a sensor unit and a control unit configured to control the sensor unit;
- and a stylus pen configured to interact with the touch input device,
- wherein the sensor unit comprises:
- a plurality of first patterns each extending in a first direction and having first ends electrically connected to the control unit;
- a plurality of second patterns each extending in the first direction and disposed adjacent to the first patterns;
- a plurality of third patterns each extending in a second direction different from the first direction and having first ends electrically connected to the control unit;
- and
- a plurality of fourth patterns each extending in the second direction and disposed adjacent to the third patterns,
- wherein second ends of at least a portion of the plurality of second patterns are electrically connected to each other, and
- second ends of at least a portion of the plurality of fourth patterns are electrically connected to each other,
- wherein the stylus pen comprises:
- a body unit;
- a tip exposed to the outside in the body unit;
- an inductor unit comprising a ferrite core disposed in the body unit and a coil wound in multiple layers around at least a portion of the ferrite core;
- and
- a capacitor unit disposed in the body unit and electrically connected to the inductor unit to form a resonance circuit,
- wherein the control unit applies a touch driving signal to the plurality of first patterns and receives a touch sensing signal from the plurality of third patterns,
- the control unit applies a stylus pen driving signal to at least one pen driving pattern of the plurality of first to fourth patterns,
- the control unit receives a stylus pen sensing signal from at least one pen sensing pattern of the plurality of first to fourth patterns, and
- the control unit determines, as a touch point of the stylus pen, a position between two pen sensing patterns that output two pen sensing signals having a maximum value and a minimum value among the stylus pen sensing signals received from the pen sensing patterns.
17 more elements
A pen and touch input system comprising:
- a touch input device comprising a sensor unit and a control unit configured to control the sensor unit;
- and a stylus pen configured to interact with the touch input device,
- wherein the sensor unit comprises:
- a plurality of first patterns each extending in a first direction and having first ends electrically connected to the control unit;
- a plurality of second patterns each extending in the first direction and disposed adjacent to the first patterns;
- a plurality of third patterns each extending in a second direction different from the first direction and having first ends electrically connected to the control unit;
- and
- a plurality of fourth patterns each extending in the second direction and disposed adjacent to the third patterns,
- wherein second ends of at least a portion of the plurality of second patterns are electrically connected to each other, and
- second ends of at least a portion of the plurality of fourth patterns are electrically connected to each other,
- wherein the stylus pen comprises:
- a body unit;
- a tip exposed to the outside in the body unit;
- an inductor unit comprising a ferrite core disposed in the body unit and a coil wound in multiple layers around at least a portion of the ferrite core;
- and
- a capacitor unit disposed in the body unit and electrically connected to the inductor unit to form a resonance circuit,
- wherein the control unit applies a touch driving signal to the plurality of first patterns and receives a touch sensing signal from the plurality of third patterns, and
- the control unit applies a stylus pen driving signal to at least one pen driving pattern of the plurality of first to fourth patterns,
- the control unit receives a stylus pen sensing signal from at least one pen sensing pattern of the plurality of first to fourth patterns, and
- the control unit determines, as a touch point of the stylus pen, a position between two pen sensing patterns having signs opposite to each other among the received stylus pen sensing signals.
17 more elements
A pen and touch input system comprising:
- a touch input device comprising a sensor unit and a control unit configured to control the sensor unit;
- and a stylus pen configured to interact with the touch input device,
- wherein the sensor unit comprises:
- a plurality of first patterns each extending in a first direction and having first ends electrically connected to the control unit;
- a plurality of second patterns each extending in the first direction and disposed adjacent to the first patterns;
- a plurality of third patterns each extending in a second direction different from the first direction and having first ends electrically connected to the control unit;
- and
- a plurality of fourth patterns each extending in the second direction and disposed adjacent to the third patterns,
- wherein second ends of at least a portion of the plurality of second patterns are electrically connected to each other, and
- second ends of at least a portion of the plurality of fourth patterns are electrically connected to each other,
- wherein the stylus pen comprises:
- a body unit;
- a tip exposed to the outside in the body unit;
- an inductor unit comprising a ferrite core disposed in the body unit and a coil wound in multiple layers around at least a portion of the ferrite core;
- and
- a capacitor unit disposed in the body unit and electrically connected to the inductor unit to form a resonance circuit,
- wherein the control unit applies a touch driving signal to the plurality of first patterns and receives a touch sensing signal from the plurality of third patterns, and
- the control unit applies a stylus pen driving signal to at least one pen driving pattern of the plurality of first to fourth patterns,
- the control unit receives a stylus pen sensing signal from at least one pen sensing pattern of the plurality of first to fourth patterns, and
- the control unit determines, as a touch point of the stylus pen, a position on the pen sensing pattern, which has a maximum differential value by differentiating the received stylus pen sensing signals.
17 more elements
A pen and touch input system comprising:
- a touch input device comprising a sensor unit and a control unit configured to control the sensor unit;
- and a stylus pen configured to interact with the touch input device,
- wherein the sensor unit comprises:
- a plurality of first patterns each extending in a first direction and having first ends electrically connected to the control unit;
- and
- a plurality of third patterns each extending in a second direction different from the first direction and having first ends electrically connected to the control unit,
- wherein the stylus pen comprises:
- a body unit;
- a tip exposed to an outside in the body unit;
- an inductor unit comprising a ferrite core disposed in the body unit and a coil wound in multiple layers around at least a portion of the ferrite core;
- and
- a capacitor unit disposed in the body unit and electrically connected to the inductor unit to form a resonance circuit,
- wherein the control unit applies a touch driving signal to the plurality of first patterns and receives a touch sensing signal from the plurality of third patterns, and
- the control unit applies a stylus pen driving signal to at least one pen driving pattern of the plurality of first and third patterns,
- the control unit receives a stylus pen sensing signal from at least one pen sensing pattern of the plurality of first and third patterns, and
- the control unit determines, as a touch point of the stylus pen, a position between two pen sensing patterns that output two pen sensing signals having a maximum value and a minimum value among the stylus pen sensing signals received from the pen sensing patterns.
13 more elements
A pen and touch input system comprising:
- a touch input device comprising a sensor unit and a control unit configured to control the sensor unit;
- and a stylus pen configured to interact with the touch input device,
- wherein the sensor unit comprises:
- a plurality of first patterns each extending in a first direction and having first ends electrically connected to the control unit;
- and
- a plurality of third patterns each extending in a second direction different from the first direction and having first ends electrically connected to the control unit,
- wherein the stylus pen comprises:
- a body unit;
- a tip exposed to an outside in the body unit;
- an inductor unit comprising a ferrite core disposed in the body unit and a coil wound in multiple layers around at least a portion of the ferrite core;
- and
- a capacitor unit disposed in the body unit and electrically connected to the inductor unit to form a resonance circuit,
- wherein the control unit applies a touch driving signal to the plurality of first patterns and receives a touch sensing signal from the plurality of third patterns, and
- the control unit applies a stylus pen driving signal to at least one pen driving pattern of the plurality of first and third patterns,
- the control unit receives a stylus pen sensing signal from at least one pen sensing pattern of the plurality of first and third patterns, and
- the control unit determines, as a touch point of the stylus pen, a position between two pen sensing patterns having signs opposite to each other among the received stylus pen sensing signals.
13 more elements
A pen and touch input system comprising:
- a touch input device comprising a sensor unit and a control unit configured to control the sensor unit;
- and a stylus pen configured to interact with the touch input device,
- wherein the sensor unit comprises:
- a plurality of first patterns each extending in a first direction and having first ends electrically connected to the control unit;
- and
- a plurality of third patterns each extending in a second direction different from the first direction and having first ends electrically connected to the control unit,
- wherein the stylus pen comprises:
- a body unit;
- a tip exposed to an outside in the body unit;
- an inductor unit comprising a ferrite core disposed in the body unit and a coil wound in multiple layers around at least a portion of the ferrite core;
- and
- a capacitor unit disposed in the body unit and electrically connected to the inductor unit to form a resonance circuit,
- wherein the control unit applies a touch driving signal to the plurality of first patterns and receives a touch sensing signal from the plurality of third patterns, and
- the control unit applies a stylus pen driving signal to at least one pen driving pattern of the plurality of first and third patterns,
- the control unit receives a stylus pen sensing signal from at least one pen sensing pattern of the plurality of first and third patterns, and
- the control unit determines, as a touch point of the stylus pen, a position on the pen sensing pattern, which has a maximum differential value by differentiating the received stylus pen sensing signals.
13 more elements
A pen and touch input system comprising:
- a touch input device comprising a sensor unit and a control unit configured to control the sensor unit;
- and a stylus pen configured to interact with the touch input device,
- wherein the sensor unit comprises:
- a plurality of first patterns each extending in a first direction and having first ends electrically connected to the control unit;
- a plurality of second patterns each extending in the first direction and disposed adjacent to the first patterns;
- a plurality of third patterns each extending in a second direction perpendicular to the first direction and having first ends electrically connected to the control unit;
- and
- a plurality of fourth patterns each extending in the second direction and disposed adjacent to the third patterns,
- wherein second ends of at least a portion of the plurality of second patterns or at least a portion of the plurality of fourth patterns are electrically connected to each other,
- wherein the stylus pen comprises:
- a body unit;
- a tip exposed to the outside in the body unit;
- an inductor unit comprising a ferrite core disposed in the body unit and a coil wound in multiple layers around at least a portion of the ferrite core;
- and
- a capacitor unit disposed in the body unit and electrically connected to the inductor unit to form a resonance circuit,
- wherein the control unit applies a touch driving signal to the plurality of first patterns and receives a touch sensing signal from the plurality of third patterns, and
- the control unit applies a stylus pen driving signal to at least one pen driving pattern of the plurality of first to fourth patterns,
- wherein the control unit:
- selects, as a pen sensing pattern, at least one of the plurality of first to fourth patterns, and
- senses a stylus pen signal emitted from the stylus pen through the selected pen sensing pattern,
- wherein the control unit receives the stylus pen sensing signals from the pen sensing patterns, and
- the control unit determines, as a touch point of the stylus pen, a position between two pen sensing patterns that output two pen sensing signals having a maximum value and a minimum value among the stylus pen sensing signals received from the pen sensing patterns.
19 more elements
A pen and touch input system comprising:
- a touch input device comprising a sensor unit and a control unit configured to control the sensor unit;
- and a stylus pen configured to interact with the touch input device,
- wherein the sensor unit comprises:
- a plurality of first patterns each extending in a first direction and having first ends electrically connected to the control unit;
- a plurality of second patterns each extending in the first direction and disposed adjacent to the first patterns;
- a plurality of third patterns each extending in a second direction perpendicular to the first direction and having first ends electrically connected to the control unit;
- and
- a plurality of fourth patterns each extending in the second direction and disposed adjacent to the third patterns,
- wherein second ends of at least a portion of the plurality of second patterns or at least a portion of the plurality of fourth patterns are electrically connected to each other,
- wherein the stylus pen comprises:
- a body unit;
- a tip exposed to the outside in the body unit;
- an inductor unit comprising a ferrite core disposed in the body unit and a coil wound in multiple layers around at least a portion of the ferrite core;
- and
- a capacitor unit disposed in the body unit and electrically connected to the inductor unit to form a resonance circuit,
- wherein the control unit applies a touch driving signal to the plurality of first patterns and receives a touch sensing signal from the plurality of third patterns, and
- the control unit applies a stylus pen driving signal to at least one pen driving pattern of the plurality of first to fourth patterns,
- wherein the control unit selects, as a pen sensing pattern, at least one of the plurality of first to fourth patterns and senses a stylus pen signal emitted from the stylus pen through the selected pen sensing pattern,
- the control unit receives the stylus pen sensing signals from the pen sensing patterns, and
- the control unit determines, as a touch point of the stylus pen, a position between two pen sensing patterns having signs opposite to each other among the received stylus pen sensing signals.
17 more elements
A pen and touch input system comprising:
- a touch input device comprising a sensor unit and a control unit configured to control the sensor unit;
- and a stylus pen configured to interact with the touch input device,
- wherein the sensor unit comprises:
- a plurality of first patterns each extending in a first direction and having first ends electrically connected to the control unit;
- a plurality of second patterns each extending in the first direction and disposed adjacent to the first patterns;
- a plurality of third patterns each extending in a second direction perpendicular to the first direction and having first ends electrically connected to the control unit;
- and
- a plurality of fourth patterns each extending in the second direction and disposed adjacent to the third patterns,
- wherein second ends of at least a portion of the plurality of second patterns or at least a portion of the plurality of fourth patterns are electrically connected to each other,
- wherein the stylus pen comprises:
- a body unit;
- a tip exposed to the outside in the body unit;
- an inductor unit comprising a ferrite core disposed in the body unit and a coil wound in multiple layers around at least a portion of the ferrite core;
- and
- a capacitor unit disposed in the body unit and electrically connected to the inductor unit to form a resonance circuit,
- wherein the control unit applies a touch driving signal to the plurality of first patterns and receives a touch sensing signal from the plurality of third patterns, and
- the control unit applies a stylus pen driving signal to at least one pen driving pattern of the plurality of first to fourth patterns,
- wherein the control unit selects, as a pen sensing pattern, at least one of the plurality of first to fourth patterns and senses a stylus pen signal emitted from the stylus pen through the selected pen sensing pattern,
- the control unit receives the stylus pen sensing signals from the pen sensing patterns, and
- the control unit determines, as a touch point of the stylus pen, a position on the pen sensing pattern, which has a maximum differential value by differentiating the received stylus pen sensing signals.
17 more elements
Dependencies are inferred from the claim text.