Monty Hyams (1918-2013): Patent Information Pioneer home intro derwent personal downloads links

Search and retrieval challenges in our early days

These early days pre-dated the online world that itself predated the Web. Searches were carried out inhouse on punched card sorters -- each hole in the card denoting a search parameter. These punched cards had the abstracts pasted on them, so once your search had identified an item of interest, you could soon read the text in clear print, with associated drawings and formulae.

The initial online services of mid 1970s onwards removed those benefits. You could not even display simple graphics. Nor were computing capabilities a match even for the much smaller database sizes of that era. There were continual 'memory overflow' problems with the early online systems.

And when you had painfully identified some records of interest, what then? How to view the associated abstracts and drawings?

Microfilm was used for archiving Derwent's printed publications. In 1983 we went to the trouble of having exactly 10,000 sequentially numbered abstracts per 200 feet of microfilm reel. We even devised an intelligent terminal which recorded hits from multiple online searches, sorted them into order and then automatically located each frame in turn. The trouble was that cartridges still had to be loaded and unloaded. There was no satisfactory jukebox system for the purpose.

CD-ROM, a few years later, improved the proposition -- but even so, each could only hold about 50,000 records with graphics. Even by then our database was more than a hundred times that size.

There was a lack of bandwidth and computing power that seems unbelievable unless you lived through it. In 1986, owners of PCs with the then standard 20 megabytes of disk storage could perform offline analysis of a thousand Derwent records containing 10 parameters. This was reckoned a state-of-the-art development. But those records -- pure ASCII text -- would have taken those users one hour to download! .


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