NO136434B - - Google Patents

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Info

Publication number: NO136434B
Authority: NO; Norway
Prior art keywords: lens; individual; biconcave; curvature; plane side
Prior art date: 1972-06-13

Application number

NO2078/73A

Other languages

English (en)

Norwegian (no)

Other versions

NO136434C (no

Inventor

M Paukert

L Schwarzova

Original Assignee

Meopta Narodni Podnik

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.)

1972-06-13

Filing date

1973-05-21

Publication date

1977-05-23

1973-05-21 Application filed by Meopta Narodni Podnik filed Critical Meopta Narodni Podnik

1977-05-23 Publication of NO136434B publication Critical patent/NO136434B/no

1977-08-31 Publication of NO136434C publication Critical patent/NO136434C/no

Links

230000003287 optical effect Effects 0.000 claims description 12
230000005499 meniscus Effects 0.000 claims description 4
230000003595 spectral effect Effects 0.000 claims description 4
239000005304 optical glass Substances 0.000 claims description 3
239000002131 composite material Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000001850 reproductive effect Effects 0.000 description 1

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 + - +
- G02B9/18—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 + - + only one component having a compound lens
- G02B9/20—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 + - + only one component having a compound lens the rear component having the compound
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Lenses (AREA)

NO2078/73A 1972-06-13 1973-05-21 Optisk system for et objektiv. NO136434C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CS409272A CS152944B1 (de)	1972-06-13	1972-06-13

Publications (2)

Publication Number	Publication Date
NO136434B true NO136434B (de)	1977-05-23
NO136434C NO136434C (no)	1977-08-31

Family

ID=5382905

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO2078/73A NO136434C (no)	1972-06-13	1973-05-21	Optisk system for et objektiv.

Country Status (11)

Country	Link
US (1)	US3864028A (de)
JP (1)	JPS4952635A (de)
AT (1)	AT326385B (de)
CS (1)	CS152944B1 (de)
DE (1)	DE2325489C3 (de)
DK (1)	DK137733B (de)
FI (1)	FI60452C (de)
FR (1)	FR2188177B3 (de)
GB (1)	GB1403471A (de)
IT (1)	IT985429B (de)
NO (1)	NO136434C (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5459933A (en) *	1977-10-20	1979-05-15	Canon Inc	Photographic lens of rear diaphragm tessar type
JPS5664310A (en) *	1979-10-29	1981-06-01	Canon Inc	Projecting lens
TW200641299A (en)	2006-08-08	2006-12-01	Camdeor Technology Co Ltd	Infrared laser diffuse apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2346086A (en) *	1942-06-01	1944-04-04	Eastman Kodak Co	Photographic objective

1972
- 1972-06-13 CS CS409272A patent/CS152944B1/cs unknown
1973
- 1973-05-18 GB GB2370573A patent/GB1403471A/en not_active Expired
- 1973-05-19 DE DE2325489A patent/DE2325489C3/de not_active Expired
- 1973-05-21 NO NO2078/73A patent/NO136434C/no unknown
- 1973-06-06 DK DK310373AA patent/DK137733B/da not_active IP Right Cessation
- 1973-06-07 US US367822A patent/US3864028A/en not_active Expired - Lifetime
- 1973-06-07 FI FI1859/73A patent/FI60452C/fi active
- 1973-06-08 AT AT511473A patent/AT326385B/de not_active IP Right Cessation
- 1973-06-12 IT IT50708/73A patent/IT985429B/it active
- 1973-06-12 JP JP48066244A patent/JPS4952635A/ja active Pending
- 1973-06-13 FR FR7321465A patent/FR2188177B3/fr not_active Expired

Also Published As

Publication number	Publication date
JPS4952635A (de)	1974-05-22
FI60452C (fi)	1982-01-11
FI60452B (fi)	1981-09-30
CS152944B1 (de)	1974-02-22
ATA511473A (de)	1975-02-15
DK137733C (de)	1978-10-02
DE2325489B2 (de)	1975-02-27
FR2188177B3 (de)	1976-05-28
AT326385B (de)	1975-12-10
DK137733B (da)	1978-04-24
DE2325489C3 (de)	1975-10-16
NO136434C (no)	1977-08-31
FR2188177A1 (de)	1974-01-18
GB1403471A (en)	1975-08-28
US3864028A (en)	1975-02-04
DE2325489A1 (de)	1974-01-03
IT985429B (it)	1974-11-30

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