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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 9. Отображено 9.
23-10-2013 дата публикации

A display

Номер: GB0002501292A
Автор: SIMMONDS MICHAEL DAVID [GB], FREEMAN JONATHAN PAUL [GB], SIMMONDS MICHAEL DAVID, FREEMAN JONATHAN PAUL, MICHAEL DAVID SIMMONDS, JONATHAN PAUL FREEMAN
Принадлежит:

A display apparatus 10 for displaying an image to an observer overlaid on a real world scene 24 includes a first and second optical elements 12, 14 having reflective regions, a display source 18 to generate image bearing light 20 wherein the optical elements 12, 14 oppose to one another and transmit the image bearing light 20 from the display source 18 to a position where the image bearing light 20 is viewable by an observer overlaid on a real world scene 24 observed through at least a portion of the second optical element 14. The apparatus 10 may take the form of a HMD or head mounted display or helmet.

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Номер записи: 1
27-02-2013 дата публикации

A micro-display device with selectively activatable backlight regions

Номер: GB0002494055A
Автор: SIMMONDS MICHAEL DAVID [GB], VALERA MOHMED SALIM [GB], SIMMONDS MICHAEL DAVID, VALERA MOHMED SALIM, MICHAEL DAVID SIMMONDS, MOHMED SALIM VALERA
Принадлежит:

A micro-display device 10 suitable for use in a HUD or HMD comprises a source of illumination 20 including an array of illuminating portions 22; a LCoS image generator 12 includes an array of image forming portions or pixels 16 and receives a signal 13 comprising image data 14, portions 16 are selectively activated to project image-bearing light 18 corresponding with the image data when illuminated by light 24 from the source of illumination 20. A controller 28 receives the image data 14 and selectively activates illuminating portions 22 according to the image data and according to predetermined criteria relating to heat generation or power consumption by the micro-display device.

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Номер записи: 2
20-02-2013 дата публикации

Colour projection display having two waveguides

Номер: GB0002493846A
Автор: SIMMONDS MICHAEL DAVID [GB], VALERA MOHMED SALIM [GB], SIMMONDS MICHAEL DAVID, VALERA MOHMED SALIM, MICHAEL DAVID SIMMONDS, MOHMED SALIM VALERA
Принадлежит:

A projection display 10 for projecting a colour image to a viewer 12 overlaid on a real world scene viewed through the display. The display comprises an image generator 16 for generating image bearing chromatic light for injection into a waveguide assembly 28. The waveguide assembly comprises a first waveguide 30 having a first input diffraction region 32 arranged to couple image bearing chromatic light in a first range of field angles 44 into the first waveguide to propagate by total internal reflection. A second waveguide 40 having a second input diffraction region 42 is arranged to couple image bearing chromatic light in a second range of field angles 46 into the second waveguide to propagate by total internal reflection. The first and second waveguides have first and second output diffraction regions 48, 50 arranged to output image bearing chromatic light from the respective waveguides for projecting a colour image in the first and second range of field angles to a viewer overlaid on ...

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Номер записи: 3
24-06-2015 дата публикации

Improvements in and relating to waveguides

Номер: GB0002521536A
Автор: SIMMONDS MICHAEL DAVID [GB], FERNS ANTHONY ROBERT [GB], SIMMONDS MICHAEL DAVID, FERNS ANTHONY ROBERT, MICHAEL DAVID SIMMONDS, ANTHONY ROBERT FERNS
Принадлежит:

A method for manufacturing a waveguide for a display apparatus comprising providing a planar optical waveguide part 24, depositing upon the optical waveguide part a fluid material (11, fig 11A) curable to form an optically transparent solid, impressing upon the fluid material an impression, such as by using stamper (40, 11B), defining an input diffraction grating region 28, and separately, an intermediate diffraction grating region 25 and an output diffraction grating region 27, curing (45, fig 11C) the impressed fluid material to solidify said impression. The apparent location of the input diffraction grating is located wholly within the geographical area of the intermediate grating though on opposite planar surfaces 24A & 24B of the optical waveguide part. The grating vectors of the input diffraction grating and the intermediate diffraction grating are oriented in different respective directions.

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Номер записи: 4
26-06-2013 дата публикации

Viewing device comprising an image combiner

Номер: GB0002497898A
Автор: SIMMONDS MICHAEL DAVID [GB], CAMERON ALEXANDER ANGUS [GB], MILLS COLIN RICHARD [GB], SIMMONDS MICHAEL DAVID, CAMERON ALEXANDER ANGUS, MILLS COLIN RICHARD, MICHAEL DAVID SIMMONDS, ALEXANDER ANGUS CAMERON, COLIN RICHARD MILLS
Принадлежит:

An image combiner for a viewing device, such as a night vision device, is disclosed. The combiner is arranged to combining a first image, such as generated symbology, with a second image, such as a view of an outside scene in reduced lighting conditions. The image combiner comprises a waveguide comprising means for capturing the first image from a first viewing direction and means for directing the first image in a second viewing direction, the second viewing direction being substantially coincident with a viewing direction of the second image, such that the first image can combine with the second image. At least a portion of the waveguide is arranged to substantially transmit the second image, such that the second image can pass substantially through the waveguide.

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Номер записи: 5
24-06-2015 дата публикации

Improvements in and relating to waveguides

Номер: GB0002521535A
Автор: SIMMONDS MICHAEL DAVID [GB], FERNS ANTHONY ROBERT [GB], SIMMONDS MICHAEL DAVID, FERNS ANTHONY ROBERT, MICHAEL DAVID SIMMONDS, ANTHONY ROBERT FERNS
Принадлежит:

A method for manufacturing a waveguide for a display apparatus, the method consisting of providing a planar optical waveguide part 20, depositing upon the optical waveguide a fluid material (11, fig 10A) curable to form an optically transparent solid, impressing 30 upon the fluid material an impression, such as by using stamper 30, defining an input diffraction grating region 21, an intermediate diffraction grating region 22 and an output diffraction grating region 23, wherein the fluid material of the intermediate diffraction grating region is continuous with the fluid material of at least the input diffraction grating region, and curing (45, fig 10C) the impressed fluid material to solidify the impression. The physical location of the input diffraction grating is located wholly within the geographical area of the intermediate grating and in the same plane. The grating vectors of the input diffraction grating and the intermediate diffraction grating are oriented in different respective ...

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Номер записи: 6
24-06-2015 дата публикации

Improvements in and relating to waveguides

Номер: GB0002521534A
Автор: SIMMONDS MICHAEL DAVID [GB], FERNS ANTHONY ROBERT [GB], SIMMONDS MICHAEL DAVID, FERNS ANTHONY ROBERT, MICHAEL DAVID SIMMONDS, ANTHONY ROBERT FERNS
Принадлежит:

A waveguide for a display apparatus comprising a planar optical waveguide part 20 for guiding light to be displayed, an input diffraction grating 21 to receive image bearing light 6, an intermediate diffraction grating 22 to receive diffracted light 7 from the input diffraction grating, an output diffraction grating 23 to receive light expanded in a first dimension 8 from the intermediate diffraction grating; wherein the output diffraction grating expands light in a second dimension 9 for display. The input diffraction grating is positioned so as to be located wholly within the geographical area of the intermediate grating, and the grating vectors of the input diffraction grating and the intermediate diffraction grating are oriented in different respective directions to remove the need for a reflective coating (3, fig 1A). The input diffraction grating and intermediate grating may be on opposite faces of the waveguide.

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Номер записи: 7
06-03-2013 дата публикации

Projection display with grating arranged to avoid double images

Номер: GB0002494115A
Автор: SIMMONDS MICHAEL DAVID [GB], SIMMONDS MICHAEL DAVID, MICHAEL DAVID SIMMONDS
Принадлежит:

Image-bearing light 12 is injected into a waveguide 10 via an input means 14 and is directed along the waveguide by total internal reflection. The light 12 is reflected from each of the four sides of the waveguide 10 along a spiral path 18 (fig.4) and passes through an output transmission grating 16. In contrast to prior art (fig.12: output beams 128 & 132), light 12 passing through the output grating 16 is diffracted only when passing through the grating along a first portion 20 of the path 18, producing a single output beam 28. This is achieved by orienting the fringes 24 of the output grating 16 at an angle so that only one of the two modes (at portions 20 & 22 of the path) is aligned at the correct angle with respect to the grating 16 for diffraction to occur. The light passing along the path 18 passes through the output grating 16 without diffraction along the second portions 22 of the path. A double image is thus avoided and manufacturing tolerances are eased. The waveguide may form ...

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Номер записи: 8
11-06-2014 дата публикации

Improved display

Номер: GB0002508662A
Автор: SIMMONDS MICHAEL DAVID [GB], SIMMONDS MICHAEL DAVID, MICHAEL DAVID SIMMONDS
Принадлежит:

A display apparatus, such as a helmet mounted display or other HUD, has an optical ocular part 3, such as night vision goggles (NVG) for viewing a scene, and a waveguide display 6 for guiding image-bearing light to a transparent display output area (16, fig 3). The ocular part 3 and/or the waveguide display 6 are, or can be, positioned in register or in-line for viewing simultaneously the scene and the displayed image. A focuser (17, fig 4A), such as a switchable holographic lens formed from an electrically switchable transmissive Bragg grating, is positioned in register or in-line with the display output area (16, fig 3) and focuses simultaneously the scene and the displayed image for focussed viewing by a user 13.

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Номер записи: 9