GB816008A - Improvements in or relating to record cards for use in office machinery or the like - Google Patents

Improvements in or relating to record cards for use in office machinery or the like

Info

Publication number
GB816008A
GB816008A GB31350/56A GB3135056A GB816008A GB 816008 A GB816008 A GB 816008A GB 31350/56 A GB31350/56 A GB 31350/56A GB 3135056 A GB3135056 A GB 3135056A GB 816008 A GB816008 A GB 816008A
Authority
GB
United Kingdom
Prior art keywords
card
coating
record
relating
record cards
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB31350/56A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kalle GmbH and Co KG
Original Assignee
Kalle GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kalle GmbH and Co KG filed Critical Kalle GmbH and Co KG
Publication of GB816008A publication Critical patent/GB816008A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Abstract

816,008. Statistical record cards. KALLE & CO. A.G. Oct. 15, 1956 [Oct. 22, 1955], No. 31350/56. Class 106 (1). A record card is provided on one or both sides with a light-sensitive coating of a two-component diazo compound which is used to reproduce text or drawings on the card in addition to the data recorded by the usual perforations or other marks. The coated card is exposed through a transparent original bearing the required text or drawings and developed in a moist ammoniacal vapour. The card may be cut from the card material before or after the coating has been applied and the perforations are made after the coating process. The record card may be transparent, being made of cellulose acetate or other plastic and coated on one side only. If the card is opaque the coating may be on both sides.
GB31350/56A 1955-10-22 1956-10-15 Improvements in or relating to record cards for use in office machinery or the like Expired GB816008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE816008X 1955-10-22

Publications (1)

Publication Number Publication Date
GB816008A true GB816008A (en) 1959-07-08

Family

ID=6734890

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31350/56A Expired GB816008A (en) 1955-10-22 1956-10-15 Improvements in or relating to record cards for use in office machinery or the like

Country Status (1)

Country Link
GB (1) GB816008A (en)

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