GB1228557A - - Google Patents

Info

Publication number
GB1228557A
GB1228557A GB1228557DA GB1228557A GB 1228557 A GB1228557 A GB 1228557A GB 1228557D A GB1228557D A GB 1228557DA GB 1228557 A GB1228557 A GB 1228557A
Authority
GB
United Kingdom
Prior art keywords
fluorescing
phosphor
heading
squares
feb
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
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 filed Critical
Publication of GB1228557A publication Critical patent/GB1228557A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00Sorting according to destination
    • B07C3/18Devices or arrangements for indicating destination, e.g. by code marks

Landscapes

  • Sorting Of Articles (AREA)
  • Color Printing (AREA)
  • Printing Methods (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

1,228,557. Printing with invisible ink. STANDARD TELEPHONES & CABLES Ltd. 20 Feb., 1970, No. 8281/70. Heading B6C. An envelope 1 is marked with phosphor squares 5 in three parallel groups 4, 4a, 4b, each group fluorescing with a different colour from the other two under ultra-violet light.
GB1228557D 1970-02-20 1970-02-20 Expired GB1228557A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB828170 1970-02-20

Publications (1)

Publication Number Publication Date
GB1228557A true GB1228557A (en) 1971-04-15

Family

ID=9849505

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228557D Expired GB1228557A (en) 1970-02-20 1970-02-20

Country Status (2)

Country Link
DE (1) DE2108072A1 (en)
GB (1) GB1228557A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933094A (en) * 1973-11-19 1976-01-20 United States Envelope Company Substrate having colored indicia thereon for read-out by infrared scanning apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5036984A (en) * 1986-08-13 1991-08-06 Electrocom Automation, Inc. Method for enabling prioritized processing of envelopes according to encoded indicia of potentially enclosed checks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3933094A (en) * 1973-11-19 1976-01-20 United States Envelope Company Substrate having colored indicia thereon for read-out by infrared scanning apparatus

Also Published As

Publication number Publication date
DE2108072A1 (en) 1971-08-26

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee