BR8707960A - Aparelho projetor - Google Patents

Aparelho projetor

Info

Publication number: BR8707960A
Authority: BR; Brazil
Prior art keywords: projector; appliance; projector appliance
Prior art date: 1987-01-22

Application number

BR8707960A

Other languages

English (en)

Inventor

Stig Berglund

Original Assignee

Nova Onab Optica Ab

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.)

1987-01-22

Filing date

1987-11-27

Publication date

1990-02-13

1987-01-22 Priority claimed from SE8700245A external-priority patent/SE8700245D0/xx

1987-11-27 Application filed by Nova Onab Optica Ab filed Critical Nova Onab Optica Ab

1990-02-13 Publication of BR8707960A publication Critical patent/BR8707960A/pt

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S353/00—Optics: image projectors
- Y10S353/03—Transparent

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Overhead Projectors And Projection Screens (AREA)
Optical Elements Other Than Lenses (AREA)
Non-Portable Lighting Devices Or Systems Thereof (AREA)

BR8707960A 1987-01-22 1987-11-27 Aparelho projetor BR8707960A (pt)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
SE8700245A SE8700245D0 (sv)	1987-01-22	1987-01-22	Projektionsanordning
SE8701304A SE457022B (sv)	1987-01-22	1987-03-30	Projektionsanordning innefattande ett objekthuvud, ett mellan ljuskaellor och objektivhuvud belaeget objektfoenster, och ett antal ellipsoidspeglar
PCT/SE1987/000562 WO1988005557A1 (en)	1987-01-22	1987-11-27	Projector apparatus

Publications (1)

Publication Number	Publication Date
BR8707960A true BR8707960A (pt)	1990-02-13

Family

ID=26659668

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8707960A BR8707960A (pt)	1987-01-22	1987-11-27	Aparelho projetor

Country Status (7)

Country	Link
US (1)	US4838686A (pt)
EP (1)	EP0277469A3 (pt)
AU (1)	AU1157688A (pt)
BR (1)	BR8707960A (pt)
DE (1)	DE277469T1 (pt)
WO (1)	WO1988005557A1 (pt)
YU (1)	YU227387A (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3828562A1 (de) *	1988-08-23	1990-03-08	Grunwald Projektoren Ag	Durchlichtprojektor
EP0730194A1 (en) *	1995-03-02	1996-09-04	Agfa-Gevaert N.V.	A photographic exposure device
US5795049A (en) *	1996-08-27	1998-08-18	In Focus Systems, Inc.	Image projection system
JPH1073884A (ja) *	1996-08-30	1998-03-17	Minolta Co Ltd	オーバーヘッドプロジェクタ装置
DE10016381A1 (de) *	2000-03-29	2001-10-04	Franc Godler	Overhead-Projektor mit Flächenlichtquelle
US20060022895A1 (en) *	2004-07-28	2006-02-02	Williams David A	Remote control unit with memory interface
DE202006015526U1 (de) *	2006-10-10	2006-12-14	Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH	Projektionsvorrichtung mit Filter

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB525350A (en) *	1938-02-21	1940-08-27	Philips Nv	Improvements in illuminating devices
DE1153915B (de) *	1961-04-26	1963-09-05	Leitz Ernst Gmbh	Schreibprojektor
FR1364060A (fr) *	1963-05-07	1964-06-19		Perfectionnements aux appareils projecteurs d'images
US3547530A (en) *	1968-11-12	1970-12-15	Bell Telephone Labor Inc	Overhead projector
DE6913928U (de) *	1969-04-05	1969-10-09	Agfa-Gevaert Ag	Projektor, insbesondere overheadprojektor
US3770344A (en) *	1969-05-20	1973-11-06	Ricoh Kk	Light source system for overhead projectors
JPS51933Y1 (pt) *	1969-06-17	1976-01-12
CH607652A5 (en) *	1976-11-17	1978-09-29	T & C Training & Communication	Illuminating system for overhead projectors
US4436392A (en) *	1983-01-03	1984-03-13	Minnesota Mining And Manufacturing Company	Distortion correction for an overhead projector system
JPS59192236A (ja) *	1983-04-15	1984-10-31	Nec Corp	投影装置
JPS60935A (ja) *	1983-06-17	1985-01-07	Brother Ind Ltd	電磁誘導加工機
DE3413995A1 (de) *	1984-04-13	1985-10-17	Demolux Gmbh & Co Kg, 6070 Langen	Overhead-projektor
DE3443356A1 (de) *	1984-11-28	1986-05-28	Demolux Gmbh & Co Kg, 6070 Langen	Overhead-projektor

1987
- 1987-11-27 WO PCT/SE1987/000562 patent/WO1988005557A1/en not_active Ceased
- 1987-11-27 EP EP87850372A patent/EP0277469A3/en not_active Ceased
- 1987-11-27 DE DE198787850372T patent/DE277469T1/de active Pending
- 1987-11-27 BR BR8707960A patent/BR8707960A/pt unknown
- 1987-11-27 AU AU11576/88A patent/AU1157688A/en not_active Abandoned
- 1987-12-02 US US07/127,632 patent/US4838686A/en not_active Expired - Fee Related
- 1987-12-15 YU YU02273/87A patent/YU227387A/xx unknown

Also Published As

Publication number	Publication date
EP0277469A3 (en)	1988-10-12
WO1988005557A1 (en)	1988-07-28
YU227387A (en)	1990-06-30
US4838686A (en)	1989-06-13
AU1157688A (en)	1988-08-10
EP0277469A2 (en)	1988-08-10
DE277469T1 (de)	1988-11-24

Publication	Publication Date	Title
BR8701262A (pt)	1988-01-05	Aparelho ministrador
NO169160C (no)	1992-05-20	Barberhoevel
DK38687A (da)	1987-07-29	Bagprojektionsarrangement
LV10019A (lv)	1994-05-10	Herbicida sastavs
BR8906468A (pt)	1990-12-04	Aparelho
ATA184790A (de)	1999-03-15	Schlusssteinset
ATA174288A (de)	1996-12-15	Alpinski
DK584288D0 (da)	1988-10-20	Saerlig fremgangsmaade
FI881171A7 (fi)	1988-09-14	Poltin
DK47485D0 (da)	1985-02-01	Vaeskeadskillelsesapparat
BR8707960A (pt)	1990-02-13	Aparelho projetor
DK314988D0 (da)	1988-06-09	Saerlig fremgangsmaade
DK184188D0 (da)	1988-04-05	Ventilationsstuds
AT389045B (de)	1989-10-10	Paraocclusaler loeffel
DK419388A (da)	1989-01-30	Indaandingsapparat
AT389423B (de)	1989-12-11	Backofen
FI875763A7 (fi)	1989-07-01	Ritningsprojektor.
ATA118187A (de)	1989-11-15	Backofen
KR880018394U (ko)	1988-10-28	투영기
SE8700245D0 (sv)	1987-01-22	Projektionsanordning
KR890002990U (ko)	1989-04-12	관계수
DK244387D0 (da)	1987-05-13	Hulleapparat
KR890004125U (ko)	1989-04-17	투망식 포어기
BR8707211A (pt)	1989-07-25	Aparelho eliminador
DK521188D0 (da)	1988-09-19	Projektionsapparat