FR2621681B3 - Diaphragme pour projecteur - Google Patents

Diaphragme pour projecteur

Info

Publication number
FR2621681B3
FR2621681B3 FR8714038A FR8714038A FR2621681B3 FR 2621681 B3 FR2621681 B3 FR 2621681B3 FR 8714038 A FR8714038 A FR 8714038A FR 8714038 A FR8714038 A FR 8714038A FR 2621681 B3 FR2621681 B3 FR 2621681B3
Authority
FR
France
Prior art keywords
projector
diaphragm
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 - Lifetime
Application number
FR8714038A
Other languages
English (en)
Other versions
FR2621681A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8714038A priority Critical patent/FR2621681B3/fr
Publication of FR2621681A1 publication Critical patent/FR2621681A1/fr
Application granted granted Critical
Publication of FR2621681B3 publication Critical patent/FR2621681B3/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/10—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures of iris type
FR8714038A 1987-10-12 1987-10-12 Diaphragme pour projecteur Expired - Lifetime FR2621681B3 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8714038A FR2621681B3 (fr) 1987-10-12 1987-10-12 Diaphragme pour projecteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8714038A FR2621681B3 (fr) 1987-10-12 1987-10-12 Diaphragme pour projecteur

Publications (2)

Publication Number Publication Date
FR2621681A1 FR2621681A1 (fr) 1989-04-14
FR2621681B3 true FR2621681B3 (fr) 1990-07-20

Family

ID=9355720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8714038A Expired - Lifetime FR2621681B3 (fr) 1987-10-12 1987-10-12 Diaphragme pour projecteur

Country Status (1)

Country Link
FR (1) FR2621681B3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9515328D0 (en) * 1995-07-26 1995-09-20 Willson Peter D W Apparatus for modifying light quality:-diaphagm,colour changer and dimmer
GB2391635B (en) * 2002-08-06 2005-07-13 Wilkes Iris Ltd Iris diaphragm
JP2008203601A (ja) 2007-02-21 2008-09-04 Olympus Corp 虹彩絞り機構
US20100246183A1 (en) * 2009-03-31 2010-09-30 Robe Lighting S.R.O. Automated luminaire iris

Also Published As

Publication number Publication date
FR2621681A1 (fr) 1989-04-14

Similar Documents

Publication Publication Date Title
FI834343A0 (fi) Dataupptagningssystem foer videovisning i stort format
DE3485197D1 (de) Ophthalmische linse.
IT1140000B (it) Diaframma per altroparlanti
FR2600401B1 (fr) Projecteur a diaphragme, en particulier pour vehicules motorises
KR840007473A (ko) 오버헤드 프로젝타(overhead projector)
FR2614940B1 (fr) Carburateur a diaphragme
FR2522240B1 (fr) Diaphragme de haut-parleur
FI845099A0 (fi) Projektor foer framstaellning av en ljusflaeck av polariserat ljus saerskilt foer biostimulering.
FR2550312B1 (fr) Raccord pour tubes
DK393681A (da) Kopiapparat til kombineret afbildning
FR2599109B1 (fr) Diaphragme a aimant
DK47581A (da) Basrefleks-hoejtalersystem
IT8167218A0 (it) Trasduttore ottico
FR2621681B3 (fr) Diaphragme pour projecteur
GB2111346B (en) Diaphragm for loudspeaker
FR2525061B1 (fr) Membrane pour microphone
FR2727231B1 (fr) Diaphragme d'horizon pour planetarium
FR2544458B1 (fr) Support, notamment pour la presentation
KR890001222U (ko) 오버헤드 투영기용 망원 렌즈 조립체
BR8807123A (pt) Lanterna de projecao catadioptrica
FR2594176B1 (fr) Diaphragme pour turbine a action
FR2590950B1 (fr) Diaphragme-ressort pour embrayage du type tire
DK547381A (da) Elektrodynamisk transducer
RO89997A2 (fr) Diaphragme pour vulcaniser enveloppes
FR2626087B3 (fr) Perfectionnement pour projecteur