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IT1291835B1 - LIGHT-GUIDED TWO-DIMENSIONAL OPTICAL BARRIER - Google Patents

LIGHT-GUIDED TWO-DIMENSIONAL OPTICAL BARRIER

Info

Publication number
IT1291835B1
IT1291835B1 IT97FI000086A ITFI970086A IT1291835B1 IT 1291835 B1 IT1291835 B1 IT 1291835B1 IT 97FI000086 A IT97FI000086 A IT 97FI000086A IT FI970086 A ITFI970086 A IT FI970086A IT 1291835 B1 IT1291835 B1 IT 1291835B1
Authority
IT
Italy
Prior art keywords
guided
light
dimensional optical
optical barrier
barrier
Prior art date
Application number
IT97FI000086A
Other languages
Italian (it)
Inventor
Elena Biagi
Marco Calzolai
Stefano Farsetti
Leonardo Masotti
Mario Santoro
Original Assignee
Univ Firenze
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 Univ Firenze filed Critical Univ Firenze
Priority to IT97FI000086A priority Critical patent/IT1291835B1/en
Publication of ITFI970086A0 publication Critical patent/ITFI970086A0/en
Publication of ITFI970086A1 publication Critical patent/ITFI970086A1/en
Application granted granted Critical
Publication of IT1291835B1 publication Critical patent/IT1291835B1/en

Links

IT97FI000086A 1997-04-18 1997-04-18 LIGHT-GUIDED TWO-DIMENSIONAL OPTICAL BARRIER IT1291835B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT97FI000086A IT1291835B1 (en) 1997-04-18 1997-04-18 LIGHT-GUIDED TWO-DIMENSIONAL OPTICAL BARRIER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97FI000086A IT1291835B1 (en) 1997-04-18 1997-04-18 LIGHT-GUIDED TWO-DIMENSIONAL OPTICAL BARRIER

Publications (3)

Publication Number Publication Date
ITFI970086A0 ITFI970086A0 (en) 1997-04-18
ITFI970086A1 ITFI970086A1 (en) 1998-10-18
IT1291835B1 true IT1291835B1 (en) 1999-01-21

Family

ID=11352055

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97FI000086A IT1291835B1 (en) 1997-04-18 1997-04-18 LIGHT-GUIDED TWO-DIMENSIONAL OPTICAL BARRIER

Country Status (1)

Country Link
IT (1) IT1291835B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000077447A1 (en) * 1999-06-15 2000-12-21 Leonardo Masotti Continuous extended optical sources and receivers and optical barriers using said sources and said receivers
US7531787B2 (en) * 2004-03-09 2009-05-12 Gerd Reime Access control device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000077447A1 (en) * 1999-06-15 2000-12-21 Leonardo Masotti Continuous extended optical sources and receivers and optical barriers using said sources and said receivers
US7531787B2 (en) * 2004-03-09 2009-05-12 Gerd Reime Access control device

Also Published As

Publication number Publication date
ITFI970086A0 (en) 1997-04-18
ITFI970086A1 (en) 1998-10-18

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Legal Events

Date Code Title Description
0001 Granted