GB351960A - Improvements in and relating to telegraphic apparatus - Google Patents

Improvements in and relating to telegraphic apparatus

Info

Publication number
GB351960A
GB351960A GB10184/30A GB1018430A GB351960A GB 351960 A GB351960 A GB 351960A GB 10184/30 A GB10184/30 A GB 10184/30A GB 1018430 A GB1018430 A GB 1018430A GB 351960 A GB351960 A GB 351960A
Authority
GB
United Kingdom
Prior art keywords
markings
march
tape
invisible
relating
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
GB10184/30A
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.)
INT VERRESCHRIJVER MIJ NV
Original Assignee
INT VERRESCHRIJVER MIJ NV
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 INT VERRESCHRIJVER MIJ NV filed Critical INT VERRESCHRIJVER MIJ NV
Publication of GB351960A publication Critical patent/GB351960A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/02—Details not particular to receiver or transmitter
    • H04L13/06—Tape or page guiding or feeding devices

Abstract

351,960. Paper for recording telegraphically. NAAMLOOZE VENNOOTSCHAP INTERNATIONALE VERRESCHRIJVER MAATSCHAPPIJ, 77, Zwarteweg, 's-Gravenhage, Holland.-(Assignees of Muck, O.; 17, W³rmtalstrasse, Grosshadern, Munich, Germany.) March 31, 1930, No. 10184. Convention date, March 30, 1929. [Class 96.] Tape &c. for receiving printed telegrams is provided with uniform markings arranged in a definite sequence, to enable mutilation to be detected. The marking may comprise a numbered millimetre scale, coloured patterns, water-marks, invisible ink markings, or markings which are invisible except when subjected to ultra-violet, infra-red or Rontgen radiation. The markings may be applied to pageprinter forms and may be applied on the back of the tape.
GB10184/30A 1929-03-30 1930-03-31 Improvements in and relating to telegraphic apparatus Expired GB351960A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE351960X 1929-03-30

Publications (1)

Publication Number Publication Date
GB351960A true GB351960A (en) 1931-06-30

Family

ID=6272141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10184/30A Expired GB351960A (en) 1929-03-30 1930-03-31 Improvements in and relating to telegraphic apparatus

Country Status (2)

Country Link
FR (1) FR692904A (en)
GB (1) GB351960A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1410313A1 (en) * 2001-07-02 2004-04-21 Digimarc Corporation Hiding information out-of-phase in color channels
US7991157B2 (en) 2006-11-16 2011-08-02 Digimarc Corporation Methods and systems responsive to features sensed from imagery or other data
US8126020B2 (en) 1996-04-25 2012-02-28 Digimarc Corporation Wireless methods using signature codes
US8144368B2 (en) 1998-01-20 2012-03-27 Digimarc Coporation Automated methods for distinguishing copies from original printed objects
US8565815B2 (en) 2006-11-16 2013-10-22 Digimarc Corporation Methods and systems responsive to features sensed from imagery or other data

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8126020B2 (en) 1996-04-25 2012-02-28 Digimarc Corporation Wireless methods using signature codes
US8144368B2 (en) 1998-01-20 2012-03-27 Digimarc Coporation Automated methods for distinguishing copies from original printed objects
EP1410313A1 (en) * 2001-07-02 2004-04-21 Digimarc Corporation Hiding information out-of-phase in color channels
EP1410313A4 (en) * 2001-07-02 2010-12-22 Digimarc Corp Hiding information out-of-phase in color channels
EP2352111A1 (en) * 2001-07-02 2011-08-03 Digimarc Corporation Hiding information in colour channels with reduced visibility
US7991157B2 (en) 2006-11-16 2011-08-02 Digimarc Corporation Methods and systems responsive to features sensed from imagery or other data
US8565815B2 (en) 2006-11-16 2013-10-22 Digimarc Corporation Methods and systems responsive to features sensed from imagery or other data

Also Published As

Publication number Publication date
FR692904A (en) 1930-11-13

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