BR7503348A - PROJECTION LENS SYSTEM - Google Patents

PROJECTION LENS SYSTEM

Info

Publication number: BR7503348A
Authority: BR; Brazil
Prior art keywords: lens system; projection lens; projection; lens
Prior art date: 1974-05-29

Application number

BR4278/75A

Other languages

Portuguese (pt)

Inventor

G Vogl

B Moller

J Astero

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.)

1974-05-29

Filing date

1975-05-27

Publication date

1976-04-27

1975-05-27 Application filed by Lindaco Ltd filed Critical Lindaco Ltd

1976-04-27 Publication of BR7503348A publication Critical patent/BR7503348A/en

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
- G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
- G02B9/16—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + all the components being simple
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Lenses (AREA)
Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Medicines Containing Plant Substances (AREA)
External Artificial Organs (AREA)

BR4278/75A 1974-05-29 1975-05-27 PROJECTION LENS SYSTEM BR7503348A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7407134A SE382262B (en)	1974-05-29	1974-05-29	PROJECTION OPTICS.

Publications (1)

Publication Number	Publication Date
BR7503348A true BR7503348A (en)	1976-04-27

Family

ID=20321270

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR4278/75A BR7503348A (en)	1974-05-29	1975-05-27	PROJECTION LENS SYSTEM

Country Status (21)

Country	Link
JP (1)	JPS513228A (en)
AT (1)	AT351828B (en)
BE (1)	BE829494A (en)
BR (1)	BR7503348A (en)
CA (1)	CA1050314A (en)
CH (1)	CH585910A5 (en)
CS (1)	CS192543B2 (en)
DD (1)	DD120942A5 (en)
DE (1)	DE2519991A1 (en)
DK (1)	DK238075A (en)
ES (1)	ES436963A1 (en)
FI (1)	FI751515A (en)
FR (1)	FR2273290B1 (en)
GB (1)	GB1474847A (en)
HU (1)	HU175781B (en)
IT (1)	IT1037780B (en)
NL (1)	NL7506296A (en)
NO (1)	NO139872C (en)
PL (1)	PL104910B1 (en)
SE (1)	SE382262B (en)
SU (1)	SU625640A3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4311366A (en) *	1978-03-01	1982-01-19	J. H. Dallmeyer Limited	Image focusing system
US4380374A (en) *	1981-04-16	1983-04-19	Minnesota Mining & Manufacturing Company	Variable focal length projection lens for use on overhead projectors
JP2691566B2 (en) *	1988-06-14	1997-12-17	旭光学工業株式会社	Magnifying projection lens
JP2954217B2 (en) *	1987-12-09	1999-09-27	株式会社日立製作所	Projection lens

1974
- 1974-05-29 SE SE7407134A patent/SE382262B/en not_active IP Right Cessation
1975
- 1975-04-24 NO NO751480A patent/NO139872C/en unknown
- 1975-04-25 GB GB1726775A patent/GB1474847A/en not_active Expired
- 1975-04-25 ES ES436963A patent/ES436963A1/en not_active Expired
- 1975-04-30 IT IT22916/75A patent/IT1037780B/en active
- 1975-05-01 CA CA226,075A patent/CA1050314A/en not_active Expired
- 1975-05-05 DE DE19752519991 patent/DE2519991A1/en not_active Withdrawn
- 1975-05-15 FR FR7515205A patent/FR2273290B1/fr not_active Expired
- 1975-05-26 BE BE156716A patent/BE829494A/en unknown
- 1975-05-26 AT AT398475A patent/AT351828B/en not_active IP Right Cessation
- 1975-05-26 FI FI751515A patent/FI751515A/fi not_active Application Discontinuation
- 1975-05-26 SU SU752136683A patent/SU625640A3/en active
- 1975-05-27 CH CH679275A patent/CH585910A5/xx not_active IP Right Cessation
- 1975-05-27 DD DD186283A patent/DD120942A5/xx unknown
- 1975-05-27 BR BR4278/75A patent/BR7503348A/en unknown
- 1975-05-27 HU HU75LI276A patent/HU175781B/en unknown
- 1975-05-28 NL NL7506296A patent/NL7506296A/en not_active Application Discontinuation
- 1975-05-28 JP JP50063946A patent/JPS513228A/ja active Pending
- 1975-05-28 PL PL1975180786A patent/PL104910B1/en unknown
- 1975-05-28 CS CS753750A patent/CS192543B2/en unknown
- 1975-05-28 DK DK238075A patent/DK238075A/en unknown

Also Published As

Publication number	Publication date
ES436963A1 (en)	1976-12-01
SE382262B (en)	1976-01-19
BE829494A (en)	1975-09-15
CS192543B2 (en)	1979-08-31
AU8129275A (en)	1976-11-25
FR2273290B1 (en)	1980-07-11
CH585910A5 (en)	1977-03-15
DD120942A5 (en)	1976-07-05
IT1037780B (en)	1979-11-20
CA1050314A (en)	1979-03-13
GB1474847A (en)	1977-05-25
AT351828B (en)	1979-08-10
NO139872B (en)	1979-02-12
NO751480L (en)	1975-12-02
PL104910B1 (en)	1979-09-29
ATA398475A (en)	1979-01-15
NL7506296A (en)	1975-12-02
NO139872C (en)	1979-05-23
DE2519991A1 (en)	1975-12-18
HU175781B (en)	1980-10-28
FR2273290A1 (en)	1975-12-26
DK238075A (en)	1975-11-30
SU625640A3 (en)	1978-09-25
SE7407134L (en)	1975-12-01
JPS513228A (en)	1976-01-12
FI751515A (en)	1975-11-30

Publication	Publication Date	Title
IT1034312B (en)	1979-09-10	COMPOSITE PHOTOGRAPHIC SYSTEM
IT1051006B (en)	1981-04-21	INTRA OCULAR ARTIFICIAL LENS SYSTEM
DK671374A (en)	1975-11-10	SERVING SYSTEM
BR7504984A (en)	1976-08-03	OPTOELETRONIC FOCUS-DETECTION SYSTEM
DK383875A (en)	1976-03-31	VIDEO RENDER SYSTEM
SE7512357L (en)	1976-05-10	TWO-RIGHT BORMS SYSTEM
IT1022371B (en)	1978-03-20	CAMERA WITH SELF-CONTENT LIGHTING SYSTEM
SE7510960L (en)	1976-03-31	OPTICAL SYSTEM
IT1028477B (en)	1979-01-30	COUNTERPRESSION SYSTEM
BR7602650A (en)	1976-11-23	OPTICAL SYSTEM
SE7601473L (en)	1976-08-16	EXTENSION SYSTEM FOR FOURTELVISION PICTURES
AT334109B (en)	1976-12-27	PANRATIC LENS
FR2278089A1 (en)	1976-02-06	REFLECTIVE LENS SYSTEM
IT1043257B (en)	1980-02-20	VEHICLE PROJECTOR
SE402395B (en)	1978-06-26	FOURTELEVISION SYSTEM
BR7503348A (en)	1976-04-27	PROJECTION LENS SYSTEM
BR7502503A (en)	1976-03-09	IMAGE PRODUCING SYSTEM
AT328762B (en)	1976-04-12	PANRATIC WIDE ANGLE PROJECTION LENS
BR7502505A (en)	1976-03-09	IMAGE PRODUCING SYSTEM
IT1032250B (en)	1979-05-30	RADIOGONIO METRIA RIOEVITOR SYSTEM
AT340168B (en)	1977-11-25	BASIC LENS
BR7502797A (en)	1976-03-16	TELECOMMUNICATION SYSTEM
ATA936574A (en)	1976-04-15	WIDE ANGLE LENS
AT336918B (en)	1977-06-10	PANRATIC PROJECTION LENS
SE7409119L (en)	1976-01-12	RELATIONSHIP SYSTEM