GB2015759B - Image focusing system - Google Patents

Image focusing system

Info

Publication number: GB2015759B
Authority: GB; United Kingdom
Prior art keywords: focusing system; image focusing; image; focusing
Prior art date: 1978-03-01
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

GB7907289A

Other versions

GB2015759A (en

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.)

DALLMEYER J H

Original Assignee

DALLMEYER J H

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.)

1978-03-01

Filing date

1979-03-01

Publication date

1982-04-28

1979-03-01 Application filed by DALLMEYER J H filed Critical DALLMEYER J H

1979-03-01 Priority to GB7907289A priority Critical patent/GB2015759B/en

1979-09-12 Publication of GB2015759A publication Critical patent/GB2015759A/en

1982-04-28 Application granted granted Critical

1982-04-28 Publication of GB2015759B publication Critical patent/GB2015759B/en

Status Expired legal-status Critical Current

Classifications

- 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
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details

Landscapes

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

GB7907289A 1978-03-01 1979-03-01 Image focusing system Expired GB2015759B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB7907289A GB2015759B (en)	1978-03-01	1979-03-01	Image focusing system

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB816578		1978-03-01
GB7907289A GB2015759B (en)	1978-03-01	1979-03-01	Image focusing system

Publications (2)

Publication Number	Publication Date
GB2015759A GB2015759A (en)	1979-09-12
GB2015759B true GB2015759B (en)	1982-04-28

Family

ID=26241994

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7907289A Expired GB2015759B (en)	1978-03-01	1979-03-01	Image focusing system

Country Status (1)

Country	Link
GB (1)	GB2015759B (en)

1979
- 1979-03-01 GB GB7907289A patent/GB2015759B/en not_active Expired

Also Published As

Publication number	Publication date
GB2015759A (en)	1979-09-12

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Legal Events

Date	Code	Title	Description
1983-10-19	PCNP	Patent ceased through non-payment of renewal fee