SE8206585D0 - Anordning for astadkommande och detektering av ett spaltformigt stralknippe av ljus - Google Patents

Anordning for astadkommande och detektering av ett spaltformigt stralknippe av ljus

Info

Publication number
SE8206585D0
SE8206585D0 SE8206585A SE8206585A SE8206585D0 SE 8206585 D0 SE8206585 D0 SE 8206585D0 SE 8206585 A SE8206585 A SE 8206585A SE 8206585 A SE8206585 A SE 8206585A SE 8206585 D0 SE8206585 D0 SE 8206585D0
Authority
SE
Sweden
Prior art keywords
shielding member
gap
light
detecting
astad
Prior art date
Application number
SE8206585A
Other languages
English (en)
Other versions
SE434090B (sv
SE8206585L (sv
Inventor
B Akerstrom
B G Eklund
Original Assignee
Esselte Security Systems
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 Esselte Security Systems filed Critical Esselte Security Systems
Priority to SE8206585A priority Critical patent/SE434090B/sv
Publication of SE8206585D0 publication Critical patent/SE8206585D0/sv
Priority to DE3418055A priority patent/DE3418055C2/de
Priority to GB08412442A priority patent/GB2159268B/en
Publication of SE8206585L publication Critical patent/SE8206585L/sv
Publication of SE434090B publication Critical patent/SE434090B/sv

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
    • G07D7/003—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 security elements
    • G07D7/0034—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 security elements using watermarks
    • 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)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Length Measuring Devices By Optical Means (AREA)
SE8206585A 1982-11-18 1982-11-18 Anordning for astadkommande och detektering av ett spaltformigt stralknippe av ljus SE434090B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8206585A SE434090B (sv) 1982-11-18 1982-11-18 Anordning for astadkommande och detektering av ett spaltformigt stralknippe av ljus
DE3418055A DE3418055C2 (de) 1982-11-18 1984-05-15 Vorrichtung zum Erzeugen und Erfassen eines parallelen Bündels von Lichtstrahlen
GB08412442A GB2159268B (en) 1982-11-18 1984-05-16 Device for producing and detecting a ribbon-shaped parallel pencil of light rays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8206585A SE434090B (sv) 1982-11-18 1982-11-18 Anordning for astadkommande och detektering av ett spaltformigt stralknippe av ljus

Publications (3)

Publication Number Publication Date
SE8206585D0 true SE8206585D0 (sv) 1982-11-18
SE8206585L SE8206585L (sv) 1984-05-19
SE434090B SE434090B (sv) 1984-07-02

Family

ID=20348652

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8206585A SE434090B (sv) 1982-11-18 1982-11-18 Anordning for astadkommande och detektering av ett spaltformigt stralknippe av ljus

Country Status (3)

Country Link
DE (1) DE3418055C2 (sv)
GB (1) GB2159268B (sv)
SE (1) SE434090B (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH689523A5 (de) * 1989-05-01 1999-05-31 Mars Inc Pruefeinrichtung fuer ein blattfoermiges Gut.
GB2309778B (en) 1996-02-05 2000-05-24 Mars Inc Security document validation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB859101A (en) * 1957-08-06 1961-01-18 Patten Company Currency acceptance unit
US3197646A (en) * 1962-01-09 1965-07-27 Sperry Rand Corp Photosensitive object detecting mechanism
US3457421A (en) * 1966-02-24 1969-07-22 Transmarine Corp Radiation sensitive paper security validation apparatus
GB1155438A (en) * 1966-09-14 1969-06-18 Ceskoslovenska Akademie Ved Photometer with Limited Light-Beam in Flow-Through Measuring Cell
US3558900A (en) * 1969-01-31 1971-01-26 Bethlehem Steel Corp Crack detector for edge of moving strip which discriminates between cracks and pin-holes
GB1267997A (en) * 1969-05-02 1972-03-22 Wiggins Teape Res Dev Apparatus for detecting holes in a moving web or sheet
US3917406A (en) * 1974-09-16 1975-11-04 Perkin Elmer Corp Optical beam splitter

Also Published As

Publication number Publication date
DE3418055C2 (de) 1993-10-21
GB8412442D0 (en) 1984-06-20
DE3418055A1 (de) 1985-11-21
SE434090B (sv) 1984-07-02
GB2159268B (en) 1988-06-02
SE8206585L (sv) 1984-05-19
GB2159268A (en) 1985-11-27

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