IT995343B - Proiettore ottico multiplo - Google Patents

Proiettore ottico multiplo

Info

Publication number: IT995343B
Authority: IT; Italy
Prior art keywords: multiple optical; optical projector; projector; optical
Prior art date: 1972-09-12

Application number

IT28849/73A

Other languages

English (en)

Original Assignee

Lindaco Ltd

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.)

1972-09-12

Filing date

1973-09-12

Publication date

1975-11-10

1973-09-12 Application filed by Lindaco Ltd filed Critical Lindaco Ltd

1975-11-10 Application granted granted Critical

1975-11-10 Publication of IT995343B publication Critical patent/IT995343B/it

Links

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
- 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
- G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Projection Apparatus (AREA)
Overhead Projectors And Projection Screens (AREA)
Transforming Electric Information Into Light Information (AREA)

IT28849/73A 1972-09-12 1973-09-12 Proiettore ottico multiplo IT995343B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE11778/72A SE366842B (it)	1972-09-12	1972-09-12

Publications (1)

Publication Number	Publication Date
IT995343B true IT995343B (it)	1975-11-10

Family

ID=20294608

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT28849/73A IT995343B (it)	1972-09-12	1973-09-12	Proiettore ottico multiplo

Country Status (15)

Country	Link
US (1)	US3922079A (it)
JP (1)	JPS4994329A (it)
AT (1)	AT342890B (it)
BE (1)	BE804590A (it)
CA (1)	CA1001869A (it)
CH (1)	CH559920A5 (it)
ES (1)	ES418656A1 (it)
FR (1)	FR2199414A6 (it)
GB (1)	GB1443464A (it)
IL (1)	IL43187A (it)
IT (1)	IT995343B (it)
NL (1)	NL155662B (it)
NO (1)	NO137737C (it)
SE (1)	SE366842B (it)
ZA (1)	ZA737129B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4177484A (en) *	1977-05-16	1979-12-04	Agar International Ltd.	Large screen television
EP0104465B1 (de) *	1982-09-02	1986-11-05	Demolux GmbH & Co.KG.	Overhead-Projektor
GB2256498B (en) *	1991-05-10	1994-08-03	Simon John Richards	Projector apparatus for projecting overhead projector transparencies and slides
ES2154945B1 (es) *	1995-06-08	2001-11-01	Soriano Salvador Puig	Perfeccionamientos en maquinas para colocar ojetes en pieles y similares.
WO1997046995A1 (en) *	1996-06-07	1997-12-11	Haworth, Inc.	Table with internal projection system
US5826962A (en) *	1997-04-30	1998-10-27	Minnesota Mining And Manufacturing Company	LCD integrated/overhead projector

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1341665A (en) *	1916-10-31	1920-06-01	Spencer Lens Co	Projection apparatus
US1870702A (en) *	1931-04-13	1932-08-09	Rca Corp	Television apparatus
US2332691A (en) *	1940-10-22	1943-10-26	Spencer Lens Co	Projection apparatus
US2414977A (en) *	1943-10-07	1947-01-28	Reid And Sigrist Ltd	Optical projection apparatus
US2482031A (en) *	1944-07-21	1949-09-13	Joseph K Rose	Image display apparatus and cabinet having adjustable light shields
US2608126A (en) *	1950-03-21	1952-08-26	Oestreicher Leonard	Apparatus for projecting strip films and related cabinet structures
US3535030A (en) *	1967-09-18	1970-10-20	Doban Labs Inc	Display device
US3535033A (en) *	1968-01-11	1970-10-20	Edwin Busch	Multiple unit projection system
GB1280977A (en) *	1970-04-15	1972-07-12	Charles Frank Ltd	Optical projection device

1972
- 1972-09-12 SE SE11778/72A patent/SE366842B/xx unknown
1973
- 1973-09-05 GB GB4168673A patent/GB1443464A/en not_active Expired
- 1973-09-06 ZA ZA00737129A patent/ZA737129B/xx unknown
- 1973-09-07 BE BE135428A patent/BE804590A/xx unknown
- 1973-09-07 US US395134A patent/US3922079A/en not_active Expired - Lifetime
- 1973-09-10 IL IL43187A patent/IL43187A/en unknown
- 1973-09-11 CA CA180,800A patent/CA1001869A/en not_active Expired
- 1973-09-11 NL NL7312506.A patent/NL155662B/xx unknown
- 1973-09-11 NO NO3544/73A patent/NO137737C/no unknown
- 1973-09-11 FR FR7332678A patent/FR2199414A6/fr not_active Expired
- 1973-09-11 ES ES418656A patent/ES418656A1/es not_active Expired
- 1973-09-12 IT IT28849/73A patent/IT995343B/it active
- 1973-09-12 AT AT790573A patent/AT342890B/de not_active IP Right Cessation
- 1973-09-12 JP JP48102234A patent/JPS4994329A/ja active Pending
- 1973-09-12 CH CH1308573A patent/CH559920A5/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
AT342890B (de)	1978-04-25
JPS4994329A (it)	1974-09-07
NO137737B (no)	1978-01-02
DE2345818A1 (de)	1974-03-28
BE804590A (fr)	1974-03-07
SE366842B (it)	1974-05-06
CA1001869A (en)	1976-12-21
IL43187A0 (en)	1973-11-28
AU6018873A (en)	1975-03-13
FR2199414A6 (it)	1974-04-05
US3922079A (en)	1975-11-25
NL155662B (nl)	1978-01-16
GB1443464A (en)	1976-07-21
NL7312506A (it)	1974-03-14
IL43187A (en)	1976-09-30
DE2345818B2 (de)	1977-06-02
CH559920A5 (it)	1975-03-14
ATA790573A (de)	1977-08-15
NO137737C (no)	1978-04-19
ES418656A1 (es)	1976-02-16
ZA737129B (en)	1975-04-30

Publication	Publication Date	Title
IT996218B (it)	1975-12-10	Dilatometro ottico
SE7800783L (sv)	1978-01-23	Kontaktlins
AT318389B (de)	1974-10-10	Pankratisches Objektiv
AT317576B (de)	1974-09-10	Pankratisches Objektiv
AT333051B (de)	1976-11-10	Pankratisches objektiv
SE391589B (sv)	1977-02-21	Kopieringsobjektiv
IT994603B (it)	1975-10-20	Apparecchio fotografico
IT995343B (it)	1975-11-10	Proiettore ottico multiplo
IT987477B (it)	1975-02-20	Correlatore ottico
IT993277B (it)	1975-09-30	Limitatore ottico
SE385410B (sv)	1976-06-28	Ljusmodulator
BR7402614D0 (pt)	1974-11-05	Projetor optico
AT337310B (de)	1977-06-27	Leuchtdecke
IT994227B (it)	1975-10-20	Macchina fotografica
BE798089A (fr)	1973-10-11	Interrupteur
FI55986B (fi)	1979-07-31	Foer anvaendning som skadedjurs bekaempningsmedel avsedda substituerade fenylderivat
AT316891B (de)	1974-07-25	Lichtstarkes Objektiv
IT976958B (it)	1974-09-10	Proiettore cinematografico
AT326384B (de)	1975-12-10	Reproduktionsobjektiv
IT990865B (it)	1975-07-10	Proiettore abbagliante
AT324496B (de)	1975-09-10	Deckeneinbauleuchten-anordnung
DD108833A1 (de)	1974-10-05	Goniolinse
ES183773Y (es)	1974-05-16	Caja-mueble proyectora.
IT1046485B (it)	1980-06-30	Macchina fotografica
BE778554R (fr)	1972-05-16	Photoflash