ES461877A1 - Un dispositivo proyector optico perfeccionado y un elemento optico correspondiente. - Google Patents

Un dispositivo proyector optico perfeccionado y un elemento optico correspondiente.

Info

Publication number: ES461877A1
Authority: ES; Spain
Prior art keywords: light; reflecting surfaces; microfiche; cassette; cone
Prior art date: 1976-09-13
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

Application number

ES461877A

Other languages

English (en)

Spanish (es)

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.)

Izon Corp

Original Assignee

Izon Corp

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.)

1976-09-13

Filing date

1977-08-25

Publication date

1978-12-01

1977-08-25 Application filed by Izon Corp filed Critical Izon Corp

1978-12-01 Publication of ES461877A1 publication Critical patent/ES461877A1/es

Status Expired legal-status Critical Current

Links

230000003287 optical effect Effects 0.000 title abstract 2

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
- G03B21/10—Projectors with built-in or built-on screen
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Projection Apparatus (AREA)
Optical Elements Other Than Lenses (AREA)
Overhead Projectors And Projection Screens (AREA)
Facsimile Scanning Arrangements (AREA)

ES461877A 1976-09-13 1977-08-25 Un dispositivo proyector optico perfeccionado y un elemento optico correspondiente. Expired ES461877A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US71785876A	1976-09-13	1976-09-13

Publications (1)

Publication Number	Publication Date
ES461877A1 true ES461877A1 (es)	1978-12-01

Family

ID=24883776

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES461877A Expired ES461877A1 (es)	1976-09-13	1977-08-25	Un dispositivo proyector optico perfeccionado y un elemento optico correspondiente.

Country Status (13)

Country	Link
JP (1)	JPS5341227A (de)
AT (1)	AT368640B (de)
BE (1)	BE858178A (de)
BR (1)	BR7705679A (de)
CA (1)	CA1103492A (de)
DE (1)	DE2738658C3 (de)
ES (1)	ES461877A1 (de)
FR (1)	FR2413686A1 (de)
GB (1)	GB1590679A (de)
HK (1)	HK41884A (de)
IN (1)	IN149132B (de)
MX (1)	MX148985A (de)
NL (1)	NL7709456A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS54163927U (de) *	1978-05-10	1979-11-16
DE2906477C3 (de)	1979-02-20	1995-02-09	Rohrmoser Alois Skifabrik	Skibremse
GB8804402D0 (en) *	1988-02-25	1988-03-23	Emi Plc Thorn	Display device
US8562145B2 (en)	2011-06-22	2013-10-22	3M Innovative Properties Company	Display system and method for projection onto non-planar surfaces

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3711188A (en) *	1970-06-10	1973-01-16	Visidyne Inc	Compact optical display system
US3692399A (en) *	1970-06-23	1972-09-19	Stewart Filmscreen Corp	Microfilm viewer
US3782805A (en) *	1972-11-30	1974-01-01	Qantix Corp	Front projection screen made from a transparent material
US3846012A (en) *	1973-11-14	1974-11-05	Qantix Corp	Transparent front projection screen having concave ridges thereon
JPS5345141B2 (de) *	1973-12-18	1978-12-04
US3941467A (en) *	1974-10-29	1976-03-02	Kaptron, Inc.	Optical projector/reader

1977
- 1977-08-24 GB GB35562/77A patent/GB1590679A/en not_active Expired
- 1977-08-24 IN IN1321/CAL/77A patent/IN149132B/en unknown
- 1977-08-24 AT AT0614277A patent/AT368640B/de not_active IP Right Cessation
- 1977-08-25 ES ES461877A patent/ES461877A1/es not_active Expired
- 1977-08-25 MX MX170358A patent/MX148985A/es unknown
- 1977-08-25 CA CA285,443A patent/CA1103492A/en not_active Expired
- 1977-08-25 BR BR7705679A patent/BR7705679A/pt unknown
- 1977-08-25 JP JP10218277A patent/JPS5341227A/ja active Granted
- 1977-08-26 FR FR7726064A patent/FR2413686A1/fr active Granted
- 1977-08-26 DE DE2738658A patent/DE2738658C3/de not_active Expired
- 1977-08-26 NL NL7709456A patent/NL7709456A/xx not_active Application Discontinuation
- 1977-08-26 BE BE6046124A patent/BE858178A/xx not_active IP Right Cessation
1984
- 1984-05-10 HK HK418/84A patent/HK41884A/xx unknown

Also Published As

Publication number	Publication date
MX148985A (es)	1983-08-05
DE2738658B2 (de)	1979-10-11
AT368640B (de)	1982-10-25
DE2738658A1 (de)	1978-03-16
JPS6210418B2 (de)	1987-03-06
ATA614277A (de)	1982-02-15
FR2413686A1 (fr)	1979-07-27
BE858178A (fr)	1977-12-16
CA1103492A (en)	1981-06-23
GB1590679A (en)	1981-06-03
FR2413686B1 (de)	1984-05-18
DE2738658C3 (de)	1980-08-07
HK41884A (en)	1984-05-18
NL7709456A (nl)	1978-03-15
BR7705679A (pt)	1978-06-27
JPS5341227A (en)	1978-04-14
IN149132B (de)	1981-09-19

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