1
James H Wilkinson, Michael J Ludgate, Jonathan M Soloff, Jonathan J Stone: Image processing apparatus. Sony United Kingdom, William S Frommer, Alvin Sinderbrand, January 24, 1995: US05384869 (88 worldwide citation)

Image processing apparatus is described for filtering a digital representation of a raster scanned image into a plurality of sub-bands in the two-dimensional spatial frequency domain, the resolution of the raster scanned image in a first direction (usually the horizontal direction) being greater tha ...


2
Vincent C Harradine, Howard J Teece, Michael J Ludgate, Rajan Bhandari, Gavin A Walker: Multichannel video data storage including buffers for reading data at fast rates and supplying data at slower rates. Sony Corporation, Sony United Kingdom, William S Frommer, Alvin Sinderbrand, August 6, 1996: US05543861 (22 worldwide citation)

A storage mechanism utilizing a single data recorder from which multiple channels of compressed video data may be simultaneously accessed. The data access to and from the data recorder via a single data access path takes place at a higher data rate (f.sub.1, f.sub.2) than the data rate (f.sub.3, f.s ...


3
Clive H Gillard, Michael J Ludgate: Variable-length to fixed-length data word reformatting apparatus. Sony United Kingdom, William S Frommer, Alvin Sinderbrand, April 4, 1995: US05404166 (15 worldwide citation)

Data formatting apparatus for formatting variable bit length data words into successive fixed bit length data words comprises an N-bit circular buffer comprising a plurality of concatenated buffer sections, each buffer section having the same bit length as one of the fixed bit length data words. A m ...


4
Clive H Gillard, James H Wilkinson, Michael J Ludgate, Jonathan M Soloff, Rajan Bhandari, Terence R Hurley: Digital signal recording and/or reproducing apparatus that evenly distributes field data across tracks. Sony Corporation, Sony United Kingdom, William S Frommer, Alvin Sinderbrand, April 9, 1996: US05506687 (9 worldwide citation)

A digital video tape recording/playback system having a plurality of recording heads (A, B, C, D) on a rotating head mechanism 94 for recording slanting tracks 108 which extend diagonally across a tape 82 provides processing of video signals in a plurality of data processing channels with selective ...


5
Gillard Clive H, Wilkinson James H, Terrence Ralph Hurley, Michael J Ludgate, Jonathan Mark Soloff, Rajan Bhandari: Digital signal processor. Sony United Kingdom, September 22, 1994: JP1994-267197

PURPOSE: To conceal an error due to continuous defects or a tape by processing a video signal in a plurality of data processing channels to record and reproduce it in a helical scan digital video recording and reproducing device. CONSTITUTION: An input field of the luminance Y and color C signal of ...