1
Edwards John David, Perkins Leonard, Donald John Henry, Chappell Peter Lee, Newcombe Sean Benjamin, Roe Malcolm David: Dispensing system and security card for use therewith. October 10, 1972: US3697729 (38 worldwide citation)

Apparatus for dispensing items desired by the user in response to the introduction of a valid security card and additional predetermined information. The apparatus includes means for reading data from the security card, keyboard means for introducing additional information and electronic logic for d ...


2
Roe Malcolm David Mckinnon, Reed Alastair: Digital image processing.. Crosfield Electronics, September 9, 1987: EP0235902-A1 (15 worldwide citation)

A method and apparatus for merging a selected portion of a first digitally encoded image into a second digitally encoded image is described. The apparatus comprises a microcomputer (1); and a memory (3, 4, 4A) for storing the first and second images and the merged image. The microcomputer (1) is ada ...


3
Hall Glenn Peter, Roe Malcolm David, Kahn Richard Oliver: Camera with projection viewfinder. Hewlett Packard Co, July 26, 2000: EP1022608-A1 (14 worldwide citation)

The present invention relates to a camera (1) that projects a pattern of visible light (28) onto an object (10) to be photographed to indicate to a photographer the area of the object within view of the camera. The camera (1) comprises image capture means (18), such as photographic film or a CCD arr ...


4
Slatter David Neil, Roe Malcolm David Mckinnon: Camera with keystone distortion correction. Hewlett Packard Co, March 8, 2000: EP0984319-A1 (13 worldwide citation)

The present invention relates to the correction of planar focus in an electronic still or video camera (20). The camera comprises: a detector array (34); an objective lens (21) arranged to direct optical radiation from an object plane (26) onto the detector (34), the lens (21) defining an optical ax ...


5
Roe Malcolm David, Donald John Henry, Chappell Peter Lee, Kirk Malcolm, Edwards John David, Greenham Stanley Keith: Apparatus for reproducing programmed selections of data recorded in coded form on magnetic cards. Dataplex, Browdy & Neimark, January 14, 1975: US3860793 (12 worldwide citation)

Apparatus is provided for reproducing programmed selections of blocks of data recorded in coded form in a plurality of separate tracks on a magnetic card, the selection being made in accordance with a program of instructions recorded in separate blocks on the same or a further magnetic card. The app ...


6
Kirk Richard Antony, Roe Malcolm David Mckinnon: Improvements relating to image screening.. Crosfield Electronics, April 21, 1993: EP0537887-A1 (6 worldwide citation)

A method and apparatus for viewing the effect of outputting on an output device an image represented by digital data defining the colour content of pixels of the image. The apparatus comprises a monitor (4); a store (6); and a processor (2,7,9) to enable a portion of the image to be selected, and fo ...


7
Roe Malcolm David Mckinnon: Modulating radiation beams.. Crosfield Electronics, December 27, 1989: EP0348047-A1 (3 worldwide citation)

Apparatus for modulating a radiation beam (7) during relative scanning movement between the beam and the record medium. The apparatus comprises a beam modulator (6) which is operable to modulate the power level of the beam in accordance with a binary control signal (CS) so as selectively to expose t ...


8
Roe Malcolm David Mckinnon: Generating half-tone representations.. Crosfield Electronics, July 13, 1988: EP0274196-A1 (2 worldwide citation)

A method and apparatus for generating a half-tone representation of an original image is described. The apparatus comprises an exposing beam generator (8); a record medium support (11); and a mirror (10) for causing an exposing beam generated by the beam generator (8) to scan a record medium mounted ...


9
Roe Malcolm David Mckinnon, Slone Murphy Michael: Methods and apparatus for half-tone imaging.. Crosfield Electronics, October 16, 1991: EP0451995-A1 (1 worldwide citation)

Apparatus for controlling the exposure of a record medium (4) to a radiation beam (3) during relative scanning movement between the medium and the beam to recored half-tone image separations at particular screen angles. The apparatus comprises a control signal generator (6); a controller (8,9); and ...


10
Roe Malcolm David Mckinnon: Method and apparatus for generating a binary representation of an image.. Crosfield Electronics, December 19, 1990: EP0403226-A1 (1 worldwide citation)

A method for generating a binary representation of an image represented in half-tone form is described in which the image is scanned and sampled, and in which each pixel corresponding to a sample of the image is assigned one of two colours. The method comprises, for each group of abutting and non-ov ...