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Flatfrog Laboratories Ab
Flatfrog Laboratories Ab 11

Flatfrog Laboratories Ab patents


Recent patent applications related to Flatfrog Laboratories Ab. Flatfrog Laboratories Ab is listed as an Agent/Assignee. Note: Flatfrog Laboratories Ab may have other listings under different names/spellings. We're not affiliated with Flatfrog Laboratories Ab, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "F" | Flatfrog Laboratories Ab-related inventors


Dynamic touch quarantine frames

A touch system is described having a method of determining touch of one or more objects on a touch surface of a touch-sensitive apparatus, wherein the method operates in a time sequence of frames, each frame comprising the steps of: for a current frame, processing an output signal of the... Flatfrog Laboratories Ab

Data processing in relation to a multi-touch sensing apparatus

A device obtains a signal representative of objects on a touch surface of a multi-touch sensing apparatus and executes a method for extracting touch data from the signal. The method operates in a sequence of detection frames. Each detection frame comprises the steps of: obtaining the signal; processing the signal... Flatfrog Laboratories Ab

Touch determination with interaction compensation

A device implements a data processing method for an optical FTIR-based touch system. The touch system defines detection lines across a surface portion of a panel by propagating light inside the panel from a plurality of incoupling points to a plurality of outcoupling points, such that each location on the... Flatfrog Laboratories Ab

Touch-sensitive apparatus with improved spatial resolution

A touch-sensitive apparatus comprises a first subset of components on a first end of the touch surface, and a second subset of components on a second end which is opposite to and parallel with the first end. The components include emitters and detectors, each emitter being operable for propagating a... Flatfrog Laboratories Ab

Performance monitoring and correction in a touch-sensitive apparatus

Touch sensitivity is enabled using a touch system that comprises a panel configured to conduct signals, along detection lines across a touch surface. A signal processor operates in a sequence of repetitions to: generate data samples that represent detected signal energy on the actual detection lines; generate based on the... Flatfrog Laboratories Ab

Detection of surface contamination

A device implements a method for detecting contamination of an FTIR-based panel. The apparatus generates projection signals representing detection lines that have propagated on a plurality of propagation paths by total internal reflection (TIR) inside a transmissive panel such that contamination on the panel surface causes attenuation (frustration) of at... Flatfrog Laboratories Ab

Touch determination by tomographic reconstruction

A touch-sensitive apparatus comprises a panel configured to conduct signals from a plurality of peripheral incoupling points to a plurality of peripheral outcoupling points. Actual detection lines are defined between pairs of incoupling and outcoupling points to extend across a surface portion of the panel. The signals may be in... Flatfrog Laboratories Ab

Optical incoupling for touch-sensitive systems

A touch-sensitive apparatus comprises a light transmissive panel (1), an illumination arrangement and a detection arrangement. The illumination arrangement is configured to couple light into the panel (1) via an incoupling site (5B) such that the light propagates by total internal reflection (TIR) in opposite top and bottom surfaces (4,... Flatfrog Laboratories Ab

Touch sensing apparatus and operating the same

A touch sensing apparatus includes a group of emitters arranged to emit light to illuminate at least part of the touch surface, a light detector arranged to receive light from the group of emitters, and a processing element. Each emitter is controlled to transmit a code by way of the... Flatfrog Laboratories Ab








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