ATE284563T1 - Segmentierte fresnel-linse - Google Patents

Segmentierte fresnel-linse

Info

Publication number
ATE284563T1
ATE284563T1 AT02010315T AT02010315T ATE284563T1 AT E284563 T1 ATE284563 T1 AT E284563T1 AT 02010315 T AT02010315 T AT 02010315T AT 02010315 T AT02010315 T AT 02010315T AT E284563 T1 ATE284563 T1 AT E284563T1
Authority
AT
Austria
Prior art keywords
segments
fresnel lens
lens
band
bands
Prior art date
Application number
AT02010315T
Other languages
English (en)
Inventor
Piero Camillo Gusi
Original Assignee
Vimar Spa
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 Vimar Spa filed Critical Vimar Spa
Application granted granted Critical
Publication of ATE284563T1 publication Critical patent/ATE284563T1/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
    • G08B13/193—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using focusing means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Lenses (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Inorganic Insulating Materials (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
AT02010315T 2001-05-17 2002-05-07 Segmentierte fresnel-linse ATE284563T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2001MI001024A ITMI20011024A1 (it) 2001-05-17 2001-05-17 Lente di fresnel segmentata

Publications (1)

Publication Number Publication Date
ATE284563T1 true ATE284563T1 (de) 2004-12-15

Family

ID=11447684

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02010315T ATE284563T1 (de) 2001-05-17 2002-05-07 Segmentierte fresnel-linse

Country Status (6)

Country Link
EP (1) EP1258846B1 (de)
AT (1) ATE284563T1 (de)
DE (1) DE60202167T2 (de)
ES (1) ES2233741T3 (de)
IT (1) ITMI20011024A1 (de)
PT (1) PT1258846E (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10663628B1 (en) 2018-06-11 2020-05-26 Toyota Motor Engineering & Manufacturing North America, Inc. Cloaking devices with fresnel mirrors and plane mirrors and vehicles comprising the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0484293B1 (de) * 1990-10-29 1994-01-12 TEKNOX S.r.l. Infraroter Anwesenheitsdetektor
US5442178A (en) * 1994-03-18 1995-08-15 Hubbell Incorporated Cross-over field-of-view composite Fresnel lens for an infrared detection system

Also Published As

Publication number Publication date
DE60202167D1 (de) 2005-01-13
EP1258846A2 (de) 2002-11-20
ES2233741T3 (es) 2005-06-16
ITMI20011024A1 (it) 2002-11-17
EP1258846B1 (de) 2004-12-08
ITMI20011024A0 (it) 2001-05-17
EP1258846A3 (de) 2003-05-21
DE60202167T2 (de) 2005-12-08
PT1258846E (pt) 2005-04-29

Similar Documents

Publication Publication Date Title
US8042975B2 (en) Plano-fresnel LED lens and LED assembly thereof
US5442178A (en) Cross-over field-of-view composite Fresnel lens for an infrared detection system
MY107889A (en) A lantern and a lens for the same.
WO1998010472A3 (en) Image sensor
ATE24786T1 (de) Optische anordnung fuer einen infraroteinbruchdetektor.
DE68921387D1 (de) Kamera mit Zoom-Objektiv.
FR2744811B1 (fr) Lentille d'objectif, tete de lecture optique comportant celle-ci et procede de fabrication de celle-ci
JPS55124366A (en) Pickup device
US6051836A (en) Low-profile dome-shaped multi-lens system
JPS54106204A (en) Information recording disc of transparent type
CA2313366A1 (en) Selectable lens array
ES2181699T3 (es) Pantalla direccional para cuerpo de iluminacion y procedimiento para su fabricacion.
JPS5588001A (en) Distance measuring optical system
ATE284563T1 (de) Segmentierte fresnel-linse
ATE274228T1 (de) Objektivlinse und abtastanordnung mit einer solchen objektivlinse
CN100394217C (zh) 薄型化球面透镜
CA2353433A1 (en) Ultra-wide field of view concentric scanning sensor system
ATE188056T1 (de) Infrarot-bewegungsmelder
SE8604762D0 (sv) Kamera for optoelektronisk avkenning av en godtycklig scen
ES2060223T3 (es) Sistema acromatico de lentes de gran aumento.
RU2073263C1 (ru) Светосильный телеобъектив
RU2079153C1 (ru) Линзовый объектив однократного увеличения
ATE183314T1 (de) Projektionsschirm und projektionssystem mit diesem schirm
JPS5233526A (en) Wide angle lens of retrofocus type
RU2002135283A (ru) Объектив

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties