GB1297853A - - Google Patents

Info

Publication number
GB1297853A
GB1297853A GB1297853DA GB1297853A GB 1297853 A GB1297853 A GB 1297853A GB 1297853D A GB1297853D A GB 1297853DA GB 1297853 A GB1297853 A GB 1297853A
Authority
GB
United Kingdom
Prior art keywords
photo
march
conversion means
electric
areas
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 GB1297853A publication Critical patent/GB1297853A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
    • G07D7/12—Visible light, infrared or ultraviolet radiation
    • G07D7/121—Apparatus characterised by sensor details

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

1297853 Photo-electric currency authentication SCHEIDT & BACHMANN GmbH 2 March 1970 [8 March 1969] 9813/70 Heading G1A In a method and apparatus for testing security papers having known areas of different light beam affecting properties, the difference in signals developed by photo-electric conversion means responsive to light reflected from or transmitted through two predetermined areas is compared with a standard value. The conversion means may comprise two photo-cells and the measurements may be made simultaneously.
GB1297853D 1969-03-08 1970-03-02 Expired GB1297853A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1911896A DE1911896B2 (en) 1969-03-08 1969-03-08 Device for checking securities

Publications (1)

Publication Number Publication Date
GB1297853A true GB1297853A (en) 1972-11-29

Family

ID=5727555

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297853D Expired GB1297853A (en) 1969-03-08 1970-03-02

Country Status (7)

Country Link
AT (1) AT291643B (en)
BE (1) BE745310A (en)
CH (1) CH500543A (en)
DE (1) DE1911896B2 (en)
FR (1) FR2033680A5 (en)
GB (1) GB1297853A (en)
SE (1) SE376102B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH573634A5 (en) * 1974-07-04 1976-03-15 Landis & Gyr Ag
DE2853958C2 (en) * 1977-12-15 1985-04-04 Yamato Iron Works Co., Ltd., Tokio/Tokyo Method of manufacturing a container closure
GB8311795D0 (en) * 1983-04-29 1983-06-02 De La Rue Syst Detecting luminescent security features
DE3740017A1 (en) * 1987-11-26 1989-06-08 Bielomatik Leuze & Co Circuit arrangement for detecting markings

Also Published As

Publication number Publication date
DE1911896B2 (en) 1974-10-24
CH500543A (en) 1970-12-15
DE1911896A1 (en) 1970-09-17
AT291643B (en) 1971-07-26
FR2033680A5 (en) 1970-12-04
BE745310A (en) 1970-07-01
SE376102B (en) 1975-05-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees