Abstract: A data processing system, e.g., a remote control device, has a pressure-sensitive touch screen arranged over a display monitor. The monitor provides a visual indication depending on a magnitude of a pressure registered by the touch screen. The indication is rendered as centered on the touch area and has an attribute that depends on the pressure exerted.

Abstract: The invention relates to a user interaction device (200, 300) comprising an optical module (210, 310) having a layer (5) of a substance being electrically switchable between a first visual state and a second visual state, and an electrical switch (6a, 6b) for electrically switching the substance between the first and second visual states, a detector (6a, 11b) for detecting the presence of a physical object, and a control unit (290, 390) for controlling the electrical switch in response to the detection of presence of the physical object.

Abstract: A light panel (115, 215, 403, 503, 513, 603, 605) having a predetermined number of emitted color options and a processor (113, 213) operably coupled to the light panel (115, 215, 403, 503, 513, 603, 605). The processor (113, 213) responds to a first color selection actuation by controlling the light panel (115, 215, 403, 503, 513, 603, 605) to display each of the predetermined emitted light options within different portions of the light panel (115, 215, 403, 503, 513, 603, 605). Thereafter, the processor (113, 213) responds to a second color selection actuation by controlling the light panel (115, 215, 403, 503, 513, 603, 605) to display a selected one of the predetermined emitted light options substantially over the light panel (115, 215, 403, 503, 513, 603, 605), wherein the selected one of the predetermined emitted light options is indicated by the second color selection actuation.

Abstract: A device is disclosed for wireless control of color of light emitted by a lighting system. The lighting system comprises signal receiving means and means for adjusting the color of light emitted from at least one lighting element, in response to a received color control signal from the device. The device for wireless control comprises means for—generating color information data, said data being indicative of a desired color of light to be emitted by the lighting system, means for modulating a first carrier signal in accordance with the color information data, and means for transmitting said color control signal in the form of a beam of said first modulated carrier signal to the lighting system.

Abstract: Touch screen capabilities are added to a color display (10), such as an LCD display with backlighting. Thereto, the wavelength is varied in two color channels along the horizontal (x) and vertical (z) directions. A pen (30) having spectroscopic capabilities incorporated in it for the two relevant colors determines its position by measuring the wavelengths of the two channels.

Abstract: A system for light control, comprising a light source (4) for illuminating an area (10), a pointer device (6) for projecting location information (11) on the area (10), and a receiver (5) for detecting the location information (11), wherein the system is configured to determine the position of the locations information (11) on the area (10), and a controller is configured to control illumination of the area (10), depending on said location information (11).

Abstract: A system is disclosed comprising a pointing device (10), an appliance (20) and at least two light sources (30), which are either part of the appliance (20) or which are positioned in its vicinity. The pointing device (10) comprises a light detector (12) for detecting light signals from the at least two light sources (30). The system further comprises measuring means (14) for measuring a property of the detected light signals, representative of the aiming point of the pointing device (10). The system can be used for controlling a free moving cursor on the screen of the appliance (20).

Abstract: A device is disclosed for wireless control of color of light emitted by a lighting system. The lighting system comprises signal receiving means and means for adjusting the color of light emitted from at least one lighting element, in response to a received color control signal from the device. The device for wireless control comprises means for—generating color information data, said data being indicative of a desired color of light to be emitted by the lighting system, means for modulating a first carrier signal in accordance with the color information data, and means for transmitting said color control signal in the form of a beam of said first modulated carrier signal to the lighting system.

Abstract: A system and method for location determination by laser interference detection uses a wide beamwidth laser projection (301) across a planar area (300). A lens system (222) is used to provide the wide beamwidth projection, and a split-beam system (225) is used to correlate interference patterns to particular segments of the wide beamwidth projection. The reflected interference beams are detected on a detector array (240) that is configured to detect the undulations corresponding to objects within the wide beamwidth projection.

Abstract: A roll detection system is disclosed for detecting a roll angle of a light emitting apparatus around a longitudinal axis thereof. The light emitting apparatus preferably is a pointing device (2). The system furthermore comprises a light detecting arrangement (4) for detecting light emitted by the pointing device (2) and means for determining where the pointing device is pointed. The pointing device (2) comprises at least a first (X1) and a second light source (Y1). The first (X1) and second light source (Y1) emit light with a different polarization orientation. The light detecting arrangement (4) is equipped with a polarization filter (3). The orientation of the polarization of the light emitted by the first (X1) and second light source (Y1) differs by an angle unequal to 90°. With the system the roll angle of the pointing device (2) can be determined for a large angle range.

Abstract: Pointing device (2) comprising two light sources (X1,X2) symmetrically arranged along a first axis (X) and two light sources (Y1,Y2) symmetrically arranged along a second axis (Y) perpendicular to the first axis (X). The pointing device (2) is used in a system comprising a light detector (4) near a screen and calculation means to determine where a user is pointing the device in relation to the screen. The light sources point in substantially the same direction along a third axis (Z) perpendicular to the first axis (X) and second axis (Y). The pointing device comprising shielding means (6) for shielding more light emitted by one of the light sources than light emitted by the other light sources when the pointing device (2) is pointed away from the detector (4), wherein the shielding means (6) are arranged substantially symmetrically with respect to the light sources (X1,X2).

Abstract: The invention relates to a user interaction device (200, 300) comprising an optical module (210, 310) having a layer (5) of a substance being electrically switchable between a first visual state and a second visual state, and an electrical switch (6a, 6b) for electrically switching the substance between the first and second visual states, a detector (6a, 11b) for detecting the presence of a physical object, and a control unit (290, 390) for controlling the electrical switch in response to the detection of presence of the physical object.

Abstract: The invention relates to a light pen input system with a light pen which is adapted to generate at least one scanning light line sweep for scanning a surface such as for example a display screen. The time from starting a scan until a light sensing element placed at a known position detects a scanning light line is measured and processed for determining the coordinates of the pointing position of the light pen. Thus, an “inverse” light pen is provided which may be implemented at low costs and which may be used with non-CRT displays. Furthermore, the system is independent of the display screen size.

Abstract: A light panel (115, 215, 403, 503, 513, 603, 605) having a predetermined number of emitted color options and a processor (113, 213) operably coupled to the light panel (115, 215, 403, 503, 513, 603, 605). The processor (113, 213) responds to a first color selection actuation by controlling the light panel (115, 215, 403, 503, 513, 603, 605) to display each of the predetermined emitted light options within different portions of the light panel (115, 215, 403, 503, 513, 603, 605). Thereafter, the processor (113, 213) responds to a second color selection actuation by controlling the light panel (115, 215, 403, 503, 513, 603, 605) to display a selected one of the predetermined emitted light options substantially over the light panel (115, 215, 403, 503, 513, 603, 605), wherein the selected one of the predetermined emitted light options is indicated by the second color selection actuation.

Abstract: A data processing system, e.g., a remote control device, has a pressure-sensitive touch screen arranged over a display monitor. The monitor provides a visual indication depending on a magnitude of a pressure registered by the touch screen. The indication is rendered as centered on the touch area and has an attribute that depends on the pressure exerted.

Abstract: A data processing system comprises a pressure-sensitive input device for assigning a floating-point value to a parameter under control of a pressure applied to the device. The system is operative to detect a rate of change of the pressure to control the assigning, e.g., to validate the current value as being input or to unlock the value as set.

Abstract: A remote control device has a display monitor for rendering an image and a touch screen for user interaction. The touch screen is pressure-sensitive. The device has an operational mode wherein the image is being scaled dependent on a value of the pressure registered by the touch screen.