Browse Prior Art Database

Data Acquisition System

IP.com Disclosure Number: IPCOM000090427D
Original Publication Date: 1969-Apr-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 31K

Publishing Venue

IBM

Related People

Shumaker, HK: AUTHOR

Abstract

Analog signal source 10, such as an electrocardiograph, spirometer, gas chromatograph, etc., is connected to magnetic card recorder 15. This has a card feed, not shown, for passing cards 20 in seriatim past a recording head disposed to record FM modulated analog signals on magnetic strips 21 fixed to cards 20. These also include areas 22 for recording data in the form of coded marks and areas 23 for receiving printed information. The coded marks can be manually entered or preprinted to provide optically sensible marks representing an identifying number, date and other like type information. After the analog and mark sensible data are recorded upon cards 20, they are sent to a central processing station which includes card reader 30 and data processor 50.

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Data Acquisition System

Analog signal source 10, such as an electrocardiograph, spirometer, gas chromatograph, etc., is connected to magnetic card recorder 15. This has a card feed, not shown, for passing cards 20 in seriatim past a recording head disposed to record FM modulated analog signals on magnetic strips 21 fixed to cards 20. These also include areas 22 for recording data in the form of coded marks and areas 23 for receiving printed information. The coded marks can be manually entered or preprinted to provide optically sensible marks representing an identifying number, date and other like type information. After the analog and mark sensible data are recorded upon cards 20, they are sent to a central processing station which includes card reader 30 and data processor 50. Cards 20, placed in hopper 31 of card reader 30, are fed from it and pass between optical reader 32 of the reflectance type and magnetic read head 33. The data sensed by reader 32 is transmitted directly to processor 50, but the data from read head 33 is first demodulated by demodulator 34 and then sent to processor
50. Processor 50 is programmed to analyze and manipulate the data and provide interpreted data to reader 30 to control print wheels 35 which print the interpreted data in area 23. Card 20 then contains data in both human and machine readable form and can be stored for future use.

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