Blackberry Corporation

Amit Pal Singh

Premal Parekh

John Edward Dolson

James Alexander Robinson

Cornel Mercea

Hsin Chin Lee

Rohan Michael Nandakumar

Jeffery John Paul Dippel

Christopher Ying Wai Ho

Mihal Lazaridis

Michael Lorne Purdy

Yu Gao

Antanas Matthew Broga

Bergen Albert Fletcher

Devin Jay Kaiser

Melecio Leano Mortel

Byron Allen Schiel

Bin Zhang

Jeffrey John Paul Dippel

Kevin Paul Timmerman

Antanas Matthew Broda

Premal Vinodchandra Parekh

Jeffery John Dippel

Michael Lane Purdy

A keypad with optical sensors is provided. The keypad comprises keycaps, each keycap having a top surface. One or more optical sensors are located beneath top surfaces of adjacent keycaps. One or more light guides extend from a respective optical sensor towards the top surfaces.

Keypad with optical sensors

A method includes detecting a touch on a touch-sensitive display, determining a time of a display update of the touch-sensitive display, and adjusting a scanning rate of scanning electrodes of the touch-sensitive display based on the time of the display update.

Electronic device including touch-sensitive display

A method includes determining a first output voltage of a battery of an electronic device. Based on the first output voltage, a first configuration file is identified. Touches on the touch-sensitive display are detected utilizing at least one parameter from the first configuration file.

Electronic device and method of detecting touches on a touch-sensitive display

An electronic device includes a keyboard. The keyboard includes a plurality of mechanical keys including a first key, and capacitive touch sensors including a first capacitive touch sensor and a second capacitive touch sensor. The keyboard is configured to detect a touch on the first key utilizing the first capacitive touch sensor and the second capacitive touch sensor, and to detect actuation of the first key when the first capacitive touch sensor is electrically coupled to the second capacitive touch sensor.

Electronic device including mechanical keyboard having touch sensors for detecting touches and actuation of mechanical keys

An electronic device includes a touch-sensitive display that includes drive electrodes and sense electrodes configured to detect touches on the touch-sensitive display, a noise-detection electrode spaced from the drive electrodes and the sense electrodes, at least one controller operably coupled to the drive electrodes, the sense electrodes, and the noise-detection electrode and configured to detect touches on the touch-sensitive display utilizing the drive electrodes and the sense electrodes, and detect noise utilizing the noise-detection electrode during touch detection.

Electronic device including touch-sensitive display and method of detecting noise

A touch-sensitive display includes first electrodes and second electrodes coupled to a first controller to detect touches by self-capacitance touch sensing. The touch-sensitive display also includes third electrodes coupled to a second controller to detect touches by mutual-capacitance touch sensing utilizing the third electrodes and the second electrodes. The first electrodes are different from the third electrodes.

Electronic device including touch-sensitive display and method of detecting touches

A method includes applying a first plurality of pulses to scanning electrodes during a first scan to detect touches on a touch-sensitive display, receiving an indication to scan in a reduced power condition, and when in the reduced power condition, applying a second plurality of pulses to scanning electrodes during a second scan to detect touches on the touch-sensitive display, wherein the second plurality of pulses comprises fewer pulses than the first plurality of pulses.

A method includes identifying a first plurality of drive frequencies at which drive electrodes of a touch-sensitive display of an electronic device are driven, wherein the first plurality of drive frequencies includes a first frequency and a second frequency. A first noise value at the first frequency is determined. When the first noise value meets a first threshold value and the first noise value is less than a second threshold value that is greater than the first threshold value, a second noise value at the second frequency is determined by the electronic device and, in response to determining that the second noise value is less than the first threshold value, driving the drive electrodes at the second frequency. When the first noise value meets the second threshold value, a third frequency at which the drive electrodes are driven is identified by the electronic device, wherein the third frequency is not one of the first plurality of drive frequencies.

Electronic device and method of identifying frequency for detecting touches

A touch-sensitive display includes first electrodes and second electrodes arranged and constructed to detect touches by mutual-capacitance touch sensing, and third electrodes and the second electrodes arranged and constructed to detect touches by self-capacitance touch sensing, wherein the first electrodes are different from the third electrodes.

A touch-sensitive display includes a sense electrode comprising a first conductor having a first elongate edge and a second elongate edge that is longer than the first elongate edge, and a second conductor having a third elongate edge and a fourth elongate edge that is longer than the third elongate edge, wherein the first conductor is coupled to the second conductor and spaced from the second conductor such that a first distance from an end of the second elongate edge to an end of the fourth elongate edge is less than a second distance from an end of the first elongate edge to an end of the third elongate edge. The touch-sensitive display also includes a drive electrode spaced from the first conductor and the second conductor and extending between the first conductor and the second conductor.

Touch-sensitive display

An electronic device includes a display controller, first drive electrodes operably coupled to the display controller to drive the first drive electrodes to detect touches on a display while the electronic device is operating in a normal power condition, a touch controller operably coupled to the display controller, second drive electrodes operably coupled to the touch controller to drive the second drive electrodes to detect touches on the display while the electronic device is operating in a reduced power condition, and sense electrodes operably coupled to the touch controller.

A dual mode apparatus for writing on paper, inputting information to a host electronic device, and/or controlling applications on a host electronic device. The apparatus is preferably constructed and arranged as a combination pen and active stylus that includes a pen refill cartridge and an active stylus module. The pen refill cartridge comprises a body configured for storing ink and a ball-point assembly for dispensing the ink on a writing surface or physical media. The active stylus module is configured to transmit signals to the ball-point assembly of the pen refill cartridge. The ball-point assembly may include an antenna, optical transducer or ultrasonic transducer. In one expedient, the signals may be radio signals characterizing a force applied to the ball-point assembly, the level of a battery or the level of ink in the pen refill cartridge.

Combination pen refill cartridge and active stylus

An electronic device includes a touch controller, sense electrodes operably coupled to the touch controller, a display controller operably coupled to the touch controller to communicate with the touch controller to detect touches, and drive electrodes operably coupled to the touch controller when the electronic device is operating in a reduced power condition and operably coupled to the display controller when the electronic device is operating in a normal power condition.

Growing community of inventors

Waterloo, Canada

Amit Pal Singh