Browse Prior Art Database

Print Display

IP.com Disclosure Number: IPCOM000074479D
Original Publication Date: 1971-Apr-01
Included in the Prior Art Database: 2005-Feb-23
Document File: 2 page(s) / 36K

Publishing Venue

IBM

Related People

Malmros, GA: AUTHOR

Abstract

A continuous loop belt provides a temporary alphanumeric character display. The belt loop passes a printing station where characters are impressed, is moved through a brief display position and finally passes an erase station. The device is particularly useful for data processing apparatus wherein keyboard data entry is effected into disk, tape or other data processing storage apparatus with minimal expenditure for the display or its maintenance.

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Print Display

A continuous loop belt provides a temporary alphanumeric character display. The belt loop passes a printing station where characters are impressed, is moved through a brief display position and finally passes an erase station. The device is particularly useful for data processing apparatus wherein keyboard data entry is effected into disk, tape or other data processing storage apparatus with minimal expenditure for the display or its maintenance.

A printing head mechanism 10 generates alphanumeric characters that have been selected by a data processing device, such as a keyboard which is not shown. The control signals for 10 are introduced through cable 11 and originate from a simple translating device, computer control or the like. Wire matrix printing apparatus are particularly well suited for use as print head 10. Printing is effected upon endless belt 12 which is composed of two layers 14 and 15. Front ribbon layer 14 could be composed of relatively durable transparent plastic material, which is frosted or made translucent on its rear surface such as by destroying its specular qualities through etching or the like. Rear ribbon layer 15 is an opaque ribbon of a material such as polyvinyl chloride having cohesive qualities such that, when 14 and 15 are mechanically pressed together, 15 will fill the frosted area of 14 and cause a readable character to appear in a manner somewhat similar to the so-called "magic slate" principle. Printing is effecte...