Inventor
Douglas George Billington
Inventor
Campbell, CA, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing35%
A63FCard, board, or roulette games20%
G08BSignalling systems, e.g. personal calling systems15%
B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general5%
H02JElectric power networks5%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters5%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use5%
G05BControl or regulating systems in general3%
H01HElectric switches3%
H04LTransmission of digital information, e.g. telegraphic communication3%
PatentTitleYear
10,725,548Feedback reduction for a user input element associated with a haptic output device202010,627,907Position control of a user input element associated with a haptic output device202010,564,727Systems and methods for a low profile haptic actuator202010,452,170Controlling power distribution to haptic output devices201910,343,061Haptic actuators having magnetic elements and at least one electromagnet201910,268,286Controlling power distribution to haptic output devices201910,235,848Public network transmission of haptic effect signals201910,209,774Haptically-enabled system with braking201910,073,523Position control of a user input element associated with a haptic output device201810,073,525Systems and methods for a low profile haptic actuator20189,996,156Feedback reduction for a user input element associated with a haptic output device20189,632,582'Magnetic suspension system for touch screens and touch surfaces'20179,589,432'Haptic actuators having programmable magnets with pre-programmed magnetic surfaces and patterns for producing varying haptic effects'20179,218,075'Haptically-enabled system with braking'20159,196,135'Uniform haptic actuator response with a variable supply voltage'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2020Patents assigned to IMMERSION CORP (15)· patent assignee history
2015–2020Based in Campbell, CA, US· patent location history
2019Based in San Jose, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IMMERSION CORP | 15 | 2015–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Campbell, California, US | 14 | 2015–2020 |
| San Jose, California, US | 1 | 2019 |