ATA398475A - PROJECTION LENS - Google Patents

PROJECTION LENS

Info

Publication number: ATA398475A
Authority: AT; Austria
Prior art keywords: projection lens; lens; projection
Prior art date: 1974-05-29

Application number

AT398475A

Other languages

German (de)

Other versions

AT351828B (en

Inventor

Jan-Erik Asteroe

Bo Moeller

Georg Vogl

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

1975-05-26

Publication date

1979-01-15

1975-05-26 Application filed by Lindaco Ltd filed Critical Lindaco Ltd

1979-01-15 Publication of ATA398475A publication Critical patent/ATA398475A/en

1979-08-10 Application granted granted Critical

1979-08-10 Publication of AT351828B publication Critical patent/AT351828B/en

Links

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)

AT398475A 1974-05-29 1975-05-26 PROJECTION LENS AT351828B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number	Publication Date
ATA398475A true ATA398475A (en)	1979-01-15
AT351828B AT351828B (en)	1979-08-10

Family

ID=20321270

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT398475A AT351828B (en)	1974-05-29	1975-05-26	PROJECTION LENS

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)	FI751515A7 (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 FI FI751515A patent/FI751515A7/fi not_active Application Discontinuation
- 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 SU SU752136683A patent/SU625640A3/en active
- 1975-05-27 CH CH679275A patent/CH585910A5/xx not_active IP Right Cessation
- 1975-05-27 HU HU75LI276A patent/HU175781B/en unknown
- 1975-05-27 DD DD186283A patent/DD120942A5/xx unknown
- 1975-05-27 BR BR4278/75A patent/BR7503348A/en unknown
- 1975-05-28 CS CS753750A patent/CS192543B2/en unknown
- 1975-05-28 JP JP50063946A patent/JPS513228A/ja active Pending
- 1975-05-28 DK DK238075A patent/DK238075A/en unknown
- 1975-05-28 PL PL1975180786A patent/PL104910B1/en unknown
- 1975-05-28 NL NL7506296A patent/NL7506296A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
FR2273290B1 (en)	1980-07-11
CS192543B2 (en)	1979-08-31
GB1474847A (en)	1977-05-25
DK238075A (en)	1975-11-30
FR2273290A1 (en)	1975-12-26
NL7506296A (en)	1975-12-02
SU625640A3 (en)	1978-09-25
CH585910A5 (en)	1977-03-15
SE382262B (en)	1976-01-19
DE2519991A1 (en)	1975-12-18
JPS513228A (en)	1976-01-12
BE829494A (en)	1975-09-15
AU8129275A (en)	1976-11-25
FI751515A7 (en)	1975-11-30
CA1050314A (en)	1979-03-13
IT1037780B (en)	1979-11-20
PL104910B1 (en)	1979-09-29
ES436963A1 (en)	1976-12-01
AT351828B (en)	1979-08-10
NO139872B (en)	1979-02-12
NO139872C (en)	1979-05-23
HU175781B (en)	1980-10-28
BR7503348A (en)	1976-04-27
SE7407134L (en)	1975-12-01
DD120942A5 (en)	1976-07-05
NO751480L (en)	1975-12-02

Legal Events

Date	Code	Title
1981-10-15	ELJ	Ceased due to non-payment of the annual fee
1997-01-15	ELJ	Ceased due to non-payment of the annual fee
2008-06-15	REN	Ceased due to non-payment of the annual fee

Publication	Publication Date	Title
SE403297B (en)	1978-08-07	POLYETHYLENTEPHEALATE MOVIE
HU172420B (en)	1978-08-28	SCINTILLACIONNAJA CAMERA
AT339631B (en)	1977-10-25	SLIDE PROJECTOR
DK520875A (en)	1976-06-05	PHOTOGRAPHIC CAMERA
NL7501040A (en)	1975-08-01	PROJECTOR.
IT1040259B (en)	1979-12-20	CAMERA
ATA782775A (en)	1978-02-15	KINEMATOGRAPHIC CAMERA
DK286375A (en)	1975-12-29	REPRODUCTION CAMERA
AT329375B (en)	1976-05-10	CAMERA
AT334109B (en)	1976-12-27	PANRATIC LENS
AT351828B (en)	1979-08-10	PROJECTION LENS
AT351287B (en)	1979-07-10	MICROSCOPE LENS
AT340168B (en)	1977-11-25	BASIC LENS
SU498588A1 (en)	1976-01-05	Mirror Lens
HU171666B (en)	1978-02-28	SPOSOB POLUCHENIA NOVYKH PROIZVODNYKH 7-QUADRATER SKOBKA-2-SKOBKA-1-IMIDAZOLIL-SKOBKA ZAKRYTA-ACETILAMINO-QUADRATNAJA SKOBKA ZAKRYTA-3-METIL-CEF-3-EM-4-CARBONOVOE LIGHT
AT336918B (en)	1977-06-10	PANRATIC PROJECTION LENS
ATA936574A (en)	1976-04-15	WIDE ANGLE LENS
AT336313B (en)	1977-04-25	LENS
AT342335B (en)	1978-03-28	CONTACT LENS
SE392530B (en)	1977-03-28	PROJECTION COPYER
AT344509B (en)	1978-07-25	KINEMATOGRAPHIC CAMERA
AT347715B (en)	1979-01-10	MICROSCOPE LENS
AT347263B (en)	1978-12-27	CINEMA CAMERA
AR203284A1 (en)	1975-08-29	MOVIE PROJECTOR
AT334654B (en)	1976-01-25	PROJECTION LENS