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In 1993 I was the principal inventor of a text based learning and testing system using an options list or multiple choice questions wherein the actual answers to questions and/or their value were hidden (encrypted) in barcodes printed in a workbook or test paper.  Thus the scanning device could provide immediate feedback during learning and/or accumulated a test score as the student or candidate worked through the paper.  This allowed a student to be corrected and directed or their result to be known immediately a candidate completed a test; so that no special scanner or external/additional marking was required.

The system was used by a number of large organisations including Qantas, the Department of Defence, BHP and the University of Newcastle for testing up to 100 candidates at a time, before it became economically viable to give each candidate their own computer.  Barcodes were automatically generated by accompanying software I wrote that seamlessly merged them into the text of the authors' questionnaire or study booklets.  I also designed a custom 3of9 barcode font to facilitate this process.

Leon Dearden and I developed a barcode reader that decrypted and thus instantly scored the selected barcodes as they were chosen from a list, or multiple choice options, as scanned by a candidate/student.  Leon designed the prototype circuit for manufacture and programmed the firmware while I provided the program meta-instructions.  It was called SmartPen.  Each pen unit was networked back through a network controller to a single portable computer and printer.

The system was entirely catholic as to the actual test/work book being scored. The result was entirely determined by the work book or test and the student/candidates' responses.  It was theoretically possible that everyone in the room was simultaneously completing an entirely different test or lesson.

Test candidates were often given a printout of their result as they left the examination room.   In the case of abilities testing, that was designed by the University of Newcastle to test the aptitudes of candidates for apprenticeships, this printout provided a full abilities analysis against normalised results.

The invention reached the application stage to protect the IP and allow its public use but I decided not to proceed to a full patent as low cost computers were becoming available and a major investment was required to refine and further miniaturise the barcode reader for mass production and to redesign the networking solution.

I subsequently redesigned the reader software to work with any PC and any hand-held barcode scanner; making  the SmartPen device redundant.  But it is now very much a solution in search of a problem.

Follow this link to see the patent application and detailed description.


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Travel

Taiwan

 

 

 

In May 2015 four of us, Craig and Sonia Wendy and I, bought a package deal: eleven days in Taiwan and Hong Kong - Wendy and I added two nights in China at the end.  We had previously travelled together with Craig and Sonia in China; Russia, India and South America and this seemed like a good place to do it again and to learn more about the region.

Taiwan is one of the Four Asian Tigers, along with Korea, Singapore and Hong Kong, achieving the fastest economic growth on the Planet during the past half century. Trying to understand that success was of equal interest with any ‘new sights’ we might encounter.

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Fiction, Recollections & News

The Writer

 

 

The fellow sitting beside me slammed his book closed and sat looking pensive. 

The bus was approaching Cremorne junction.  I like the M30.  It starts where I get on so I’m assured of a seat and it goes all the way to Sydenham in the inner West, past Sydney University.  Part of the trip is particularly scenic, approaching and crossing the Harbour Bridge.  We’d be in The City soon.

My fellow passenger sat there just staring blankly into space.  I was intrigued.   So I asked what he had been reading that evoked such deep thought.  He smiled broadly, aroused from his reverie.  “Oh it’s just Inferno the latest Dan Brown,” he said.   

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Opinions and Philosophy

A new political dawn

 

 

The State election on 26th March saw a crushing political defeat for the Australian Labor Party in New South Wales. Both sides of politics are still coming to terms with the magnitude of this change.  On the Labor side internal recriminations seem to have spread beyond NSW.  The Coalition now seem to have an assured eight and probably twelve years, or more, to carry out their agenda.

On April 3, following the advice of the Executive Council, the Lieutenant-Governor of New South Wales, gave effect to an Order to restructure the NSW Public Service. Read more...

It remains to be seen how the restructured agencies will go about the business of rebuilding the State.

 

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