Abdullah Hashim

Teacher & Researcher

  

 

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Patents

Patents by Inventor Abdullah Hashim

Abdullah Hashim has filed four patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

 
1. Data transmission

 

Patent number: 4829526
Abstract: An adaptive system for binary data compression incorporating a coding scheme which is simple to implement, which limits codeword length and which can be implemented by software. Data compression is achieved by assigning four bit codes to the eight most frequently occurring characters in the data and eight or nine bit codes to the remaining characters wherein the code assignment is made according to a continuously updated evaluation of character frequency distribution. Run length encoding may be used in conjunction with this technique, to achieve further data compression. For transmission, error control protocols are applied to the compressed data where such protocols may include the use of forward error correcting (FEC) coding and an automatic repeat request (ARQ) system. The data may be transmitted using a burst error control system based on interleaving so that a single error correcting FEC coding can corrects bursts of errors characteristic of a telephone system.
Type: Grant
Filed: November 4, 1986
Date of Patent: May 9, 1989
Assignee: British Telecommunications Public Limited Company
Inventors:  Abdullah Hashim & Alan D. Clark

 

2. Inspecting textile products

 

Patent number: 4744035
Abstract: Textile articles are inspected for size, defects by forming an image e.g. in a video camera, capturing data representing at least salient features of the image, comparing the data automatically with reference data, and effecting a selection process in accordance with the result of the comparison. Articles e.g. socks, presented as a succession of imperfectly matched items, can be sorted for size e.g. into categories of leg and foot length.
Type: Grant
Filed: July 16, 1984
Date of Patent: May 10, 1988
Assignee: National Research Development Corporation
Inventor: Abdullah Hashim.

 

3. Inspecting articles

 

Patent number: 4637054
Abstract: The condition of an article e.g. a multihead tool array is compared after having been subjected to some operation with its previous condition e.g. before and after a drilling or other operation of the tool array by forming an image, e.g. a video image, of the article before the operation and automatically comparing it with a second such image formed after the operation. Known image enhancement techniques can be used, and statistical techniques used in data processing equipment to detect significant differences between the images.
Type: Grant
Filed: August 1, 1984
Date of Patent: January 13, 1987
Assignee: Kearney & Trecker Marwin Limited
Inventor: Abdullah Hashim & Paul Clement.
 
4. Split & Merge Algorithm

 

Patent number: D369884
Abstract: An algorithm is proposed in this patent to estimate the probability distribution of a sample space with multiple outcomes. A discrete parameter stochastic process is defined on the sample space, which is partitioned into N sets. A set that contains an outcome is rewarded by splitting it into two subsets. Merging two other sets results in punishment. We show that this procedure coverage leads to the sets becoming equippable. The results are used to give estimates of the probabilities of all outcomes in the sample space. The two-outcome model of a stochastic learning automaton is extended in this work. The results are used to obtain an optimal compression algorithm.
Type: Grant
Filed: March 30, 2005
Date of Patent: May 14, 2016
Inventor: Abdullah Hashim & Sylvia Jennings.

 

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Publication

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Micro-Cat Product 1988 - 1990

  • Arabic PC XT
  • Arabic Wiz Kid
  • Micro Cat Logo
Arabic PC XT1 Arabic Wiz Kid2 Micro Cat Logo3
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This page was last updated on 15th August, 2023

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