|Publication number||US1002600 A|
|Publication date||Sep 5, 1911|
|Filing date||Aug 14, 1909|
|Priority date||Aug 14, 1909|
|Publication number||US 1002600 A, US 1002600A, US-A-1002600, US1002600 A, US1002600A|
|Inventors||Edward Robert Morris, Alfred Edwin Bawtree|
|Original Assignee||Edward Robert Morris, Alfred Edwin Bawtree|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (34), Classifications (12)|
|External Links: USPTO, USPTO Assignment, Espacenet|
E. R. MORRIS & A. E. BAWTRBE. MEANS FOR DETECTING OOUNTERFEIT BANK NOTES, BONDS, COUPONS, AND THE LIKE. APPLICATION FILED AUG. 14, 1909.
1,002,600, I I Patented Sept. 5,1911.
UNITED STATES PATENT OFFICE.
EDWARD ROBERT MORRIS AND ALFRED EDWIN BAWTREE, OF LONDON, ENGLAND.
MEANS FOR DETECTING COUNTERFEIT BANK-NOTES, BONDS, COUPONS, AND THE LIKE.
Specification of Letters Patent.
Patented Sept. 5, 1911.
Application filed August 14, 1909. Serial No. 512,916.
To all whom it may concern:
Be it known that we, EDWARD ROBERT Mon- RIS and ALFRED EDWIN BAWTREE, subjects of the King of Great Britain, residing at 9 and 10 Fenchurch street, London, England, have invented new and useful Improvements in Means for Detecting Counterfeit Bank- Notes, Bonds, Coupons, and the Like, of which the following is a specification.
Our invention has for its object to provide means for producing upon bank-notes,
bonds, coupons and the like, letters, figures, devices or other distinctive marks, which are invisible except when inspected through a special detector as hereinafter described, whereby counterfeit notes, bonds and the like may be readily detected.
Uur invention consists essentially in printing or otherwise producing upon, or in, the paper of a bank-note or the like, a lined ground-work (which may be subsequently overprinted in any suitable manner) having upon it letters, figures, or devices of a distinguishing character which are of the same tint as the ground-work, but produced in lines at angles to the lines thereof, so that such distinctive letters or the like are almost invisible in connection with the groundwork, and absolutely invisible when overprinted, and in the use in conjunction with a surface so printed of a lined screen or surface, the lines or marks upon which hear such relation to the lining or marking of the ground-work, that when the said screen is in juxtaposition to the printed surfaces, the said distinguishing marks will be rendered visible notwithstanding the overprinting.
Our invention will be readily understood by reference to the accompanying drawing.
Figure 1 illustrates a sample of the ground-work composed of parallel 1ines, the said ground-work having upon it, in the present case, the word lux which is composed of parallel lines arranged at right angles to the other lines, the two sets of lines giving the efiect of a neutral tint. Fig. 2 indicates a screen of glass or other transparent material having upon it a series of equally spacedlines, the said screen being made, however, without any distinctive letters or the like upon it, as in the case of the ground work. When this lin'ed screen is placed over the ground-work it will be obvious that the lines thereof will intersect the lines forming the distmctive letters at a different angle from the other part of the ground-work, with the result that such letters will appear distinctly visible as shown in Fig. 3, in either a lighter or darker tone, according as to whether the lines of the screen are parallel with the lines of the ground-work, or more or less at an ity tint may be printed in any phosphorescent. or fluorescent substance such as sulfate of quinin the distinctive letters appearing when the printed document is photographed through the screen, or when it is examined by a suitably dyed or otherwise treated screen. In some cases the security tint may be filagrammed or water-marked, or otherwise worked in the fabric of the paper, or it may be printed inside the paper, or on. either or bot-h sides thereof, or any or all of these methods may be used in combination.
The examining screen may form part of the document itself being printed on either side of the paper or within its substance so that the design is rendered visible on holding the document up to the light. When so printed it may be in a color which requires a special colored light to render the distinctive features visible, for example, the special colored tint may be printed 1n gray on one side of the paper and the examlning screen may be printed inside the substance of the paper in light blue, in this case the design will only become visible 1f the document be examined by a red or orange light.
It will be understood that the system may be used alone or in combination with any other printing, Wat-er marking, fiber, or any other additions to the documents for the sake of ornament or security, and also that the ground tint may be of any pattern for instance the body can be of lines in concentric circles and the distinctive letters or the like in parallel or radiating lines.
Having now particularly described and ascertained the nature of our said invention and in what manner the same is to be performed, we declare that what? we claim is 1. Means for detecting counterfeit bank notes, bonds, coupons and the like, consisting in applying to the fabric of such documents arbitrary distinctive identifyin characters or designs composed of paralll lines and a ound Work composed of parallel lines dlsposed angularly with respect to those of the characters or designs, all of said lines being of such fineness as to produce an even tint, the characters and .designs being discernible only by aid of a special detector.
2. Means for detecting counterfeit banknotes, bonds, coupons and the like, compris ing a uniform ground-work with distinctive letters or devices upon it formed, by lines at an angle to the lines of the main portion of the ground-work, and of a second series of lines also produced upon the bank-note or the like, the said series of lines being printed in colors so that when viewed in a special light the distinctive devices will be rendered visible, substantially as described.
3. Bank notes, bonds, coupons or the like, provided with arbitrary. distinctive identifying characters or designs, composed of parallel lines and a ground work composed of parallel lines, disposed angularly with 'respect to those of the characters or designs,
all of said lines being of such fineness as to produce an even tint, the characters and designs not being discernible only by aid of a special detector.
. EDWARD ROBERT MORRIS. ALFRED EDWIN BAWTREE.
Witnesses: I p
' H. D. Jameson, F. L; RAND.
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US3414998 *||Jun 1, 1966||Dec 10, 1968||Berger Louis||Counterfeitproof, encapsulated identification card|
|US3471172 *||Apr 25, 1967||Oct 7, 1969||Transmarine Corp||Scrip for use with paper security validation apparatus|
|US3675948 *||Sep 10, 1969||Jul 11, 1972||American Bank Note Co||Printing method and article for hiding halftone images|
|US3833395 *||Sep 11, 1972||Sep 3, 1974||Burroughs Corp||Continuous form computer print-out document protection system|
|US4033059 *||Apr 18, 1975||Jul 5, 1977||American Bank Note Company||Documents of value including intaglio printed transitory images|
|US4039066 *||Aug 11, 1975||Aug 2, 1977||Sweda International, Inc.||Forgery-resistant impact printing with matrix printer|
|US4175776 *||Jan 5, 1978||Nov 27, 1979||New England Mutual Life Insurance Company||Counterfeit resistant document|
|US4210346 *||Jun 23, 1977||Jul 1, 1980||Burroughs Corporation||Protected document bearing watermark and method of making|
|US4227720 *||Nov 8, 1978||Oct 14, 1980||Burroughs Corporation||Protected document|
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|U.S. Classification||283/70, 283/94, 283/902, 427/7, 283/114, 283/113, 428/916, 101/211|
|Cooperative Classification||B42D15/0013, Y10S283/902, Y10S428/916|