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Применить Всего найдено 4. Отображено 4.
06-06-2012 дата публикации

A combined proximity and ambient light sensor

Номер: GB0002485996A
Автор: FINDLAY EWAN [GB], FINDLAY EWAN, EWAN FINDLAY
Принадлежит:

A combined ambient light sensor and proximity sensor suitable for a mobile communications device comprises one or more ambient-light sensing pixels 30 and one or more proximity-sensing pixels 32. A first optical element such as a lens with an exposed hemispherical surface 19 is provided over both sets of pixels and has a first field of view. A second optical element such as a microlens 36 is provided over the ambient light sensing pixel 30 and has a second field of view. The second optical element 36 is positioned between the first optical element 19 and the ambient light sensing pixel 30. The first field of view is substantially narrower than, and lies substantially within, the second field of view. The pixels 30, 32 may be formed on a common substrate 23 and be part of the same pixel array.

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Номер записи: 1
06-06-2012 дата публикации

Optical proximity detectors with arrangements for reducing internal light propagation from emitter to detector

Номер: GB0002486000A
Автор: FINDLAY EWAN [GB], CAMPBELL COLIN [GB], RAMSEY GEMMA [GB], SAUGIER ERIC [FR], FINDLAY EWAN, CAMPBELL COLIN, RAMSEY GEMMA, SAUGIER ERIC, EWAN FINDLAY, COLIN CAMPBELL, GEMMA RAMSEY, ERIC SAUGIER
Принадлежит:

Arrangements variously including baffles, grooves, slots, reflectors and blackening are provided to reduce unwanted internal light propagation from the emitter to the detector in a single-package optical proximity detector. For example, an opaque baffle 16 may be provided between the emitter 2 and detector 4, the baffle also serving as a locating feature to ensure alignment of the lens module 8 with the lens module mount 14. The baffle may have a curved surface (37, figure 7). Alternatively or additionally, one or more channels (figures 8-12) or V shaped grooves (figures 4-6 and 8-10) may be formed in the lens module 8 to reduce or further reduce unwanted light propagation from emitter to detector. A set of curved reflectors (102, figure 13) may be provided between the emitter and detector. The surface of the lens module may be selectively blackened to absorb unwanted radiation. The detector may be a SPAD and the proximity detector may be used in a mobile phone to disable the display and ...

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Номер записи: 2
06-06-2012 дата публикации

Ambient light sensor package comprising a sensor array microchip

Номер: GB0002485989A
Автор: FINDLAY EWAN [GB], PELLEGRINI SARA [GB], FINDLAY EWAN, PELLEGRINI SARA, EWAN FINDLAY, SARA PELLEGRINI
Принадлежит:

An ambient light sensor package and a sensor array microchip, the microchip comprising of a substrate 74 , a plurality of sensor elements 72a-i, arranged on the substrate 74 , wherein each of the plurality of sensor elements is spatially arranged from at least one other of the plurality of sensor elements 72a-i. The spatially separated sensor elements are arranged to allow additional electronic elements 76a-b to be arranged on the substrate between the sensors 72a-i, and at least one of the sensors comprises a pixel, preferably comprised of single photon avalanche diodes. In addition, two or more of the pixels may comprise of ambient light pixels. The sensors may be distributed in a matrix, preferably a square matrix. In addition the ambient light sensor package may further comprise a lens (84 figs 4 or 7 or 104 figs 5,6) connected to a mount (100, fig 5) wherein the mount is secured to the substrate to hold the lens (104 fig 5) in a fixed orientation to the substrate, and wherein the ambient ...

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Номер записи: 3
05-09-2012 дата публикации

Multi-channel image sensor incorporating lenslet array and overlapping fields of view.

Номер: GB0002488519A
Автор: FINDLAY EWAN [GB], DOWNING JAMES [GB], FINDLAY EWAN, DOWNING JAMES, EWAN FINDLAY, JAMES DOWNING
Принадлежит:

An image sensor includes a pixel array 604 and an image sensor objective optical element. The element is formed by a lenslet array 600. Each lenslet 602 in the array directs incoming radiation onto a different specific pixel or sub-array of pixels in the pixel array. The lenslets in the array are shaped such that fields of view (FOV) of next-but-one neighbouring ones of the lenslets (i.e., two lenslets spaced from each other by another lenslet) do not overlap until an application defined object distance away from the lenslet array. The pixel array and the lenslet array may be held in a fixed relation to each other with the application defined object distance corresponding to the hyperfocal distance of the lenslet array. Alternatively the pixel array and the lenslet array may be moveable in relation to each other with the application defined object distance being variable according to their relative positions.

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Номер записи: 4