GB1516432A – Revolutionary scheimpflug visual probe
– Google Patents
GB1516432A – Revolutionary scheimpflug visual probe
– Google Patents
Revolutionary scheimpflug visual probe
Info
Publication number
GB1516432A
GB1516432A
GB16524/76A
GB1652476A
GB1516432A
GB 1516432 A
GB1516432 A
GB 1516432A
GB 16524/76 A
GB16524/76 A
GB 16524/76A
GB 1652476 A
GB1652476 A
GB 1652476A
GB 1516432 A
GB1516432 A
GB 1516432A
Authority
GB
United Kingdom
Prior art keywords
lens
image
tilt
tilted
axis
Prior art date
1975-05-01
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
GB16524/76A
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.)
Singer Co
Original Assignee
Singer Co
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.)
1975-05-01
Filing date
1976-04-23
Publication date
1978-07-05
1976-04-23
Application filed by Singer Co
filed
Critical
Singer Co
1978-07-05
Publication of GB1516432A
publication
Critical
patent/GB1516432A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
G—PHYSICS
G02—OPTICS
G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 – G02B26/00, G02B30/00
G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 – G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S359/00—Optical: systems and elements
Y10S359/90—Methods
Abstract
1516432 Scheimpflug correction devices SINGER CO 23 April 1976 [1 May 1975] 16524/76 Heading G2J In a system for correction (particularly erection) of an image-plane which is tilted with respect to the axis of an optical system, a relay lens is arranged with its principal plane(s) tilted at a fixed angle to the system axis but able to rotate about said axis. In a practical form it is recognised that, by such rotation, the second image-plane produced by said relay lens may be varied in tilt with respect to the system axis over a wide range. A second tilted relay lens is arranged to rotate about the system axis, and the angle of tilt of said second lens is arranged to produce an erect third image for a particular tilt angle of the second image. The first lens is therefore rotated until the second image has the desired tilt and the second lens is then rotated to the correct position to produce an erect third image. As shown in Fig. 7 an intermediate tilted image from an objective is located at a field lens W and enters the first rotatable lens, the second intermediate image of desired tilt being located at field lens Y, and the erect image being produced by the second rotatable lens. Each rotatable lens comprises a pair of “thick lens elements” B, C; D, E; of opposed tilt, separated by field lens X, Z. This maintains the axial ray on the system axis.
GB16524/76A
1975-05-01
1976-04-23
Revolutionary scheimpflug visual probe
Expired
GB1516432A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US05/573,623
US3985422A
(en)
1975-05-01
1975-05-01
Revolutionary Scheimpflug visual probe
Publications (1)
Publication Number
Publication Date
GB1516432A
true
GB1516432A
(en)
1978-07-05
Family
ID=24292740
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB16524/76A
Expired
GB1516432A
(en)
1975-05-01
1976-04-23
Revolutionary scheimpflug visual probe
Country Status (3)
Country
Link
US
(1)
US3985422A
(en)
CA
(1)
CA1066097A
(en)
GB
(1)
GB1516432A
(en)
Families Citing this family (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4672458A
(en)
*
1984-12-28
1987-06-09
North American Philips Corporation
Projection television systems having lens tilt compensation member
US4730910A
(en)
*
1985-09-18
1988-03-15
Humphrey Instruments, Inc.
Wide angle lens system having flare rejection properties
US7428061B2
(en)
*
2002-08-14
2008-09-23
Metris Ipr N.V.
Optical probe for scanning the features of an object and methods thereof
US7009717B2
(en)
*
2002-08-14
2006-03-07
Metris N.V.
Optical probe for scanning the features of an object and methods therefor
DE10316416A1
(en)
*
2003-04-10
2004-10-21
Carl Zeiss Jena Gmbh
Optical system for a fundus camera
US20070057164A1
(en)
*
2003-07-02
2007-03-15
David Vaughnn
Scheimpflug normalizer
DE102010008629B4
(en)
*
2010-02-17
2020-09-03
Carl Zeiss Meditec Ag
Reflection-free imaging optics for optical devices, especially in ophthalmology
DE102016100252B4
(en)
*
2016-01-08
2020-01-16
Sypro Optics Gmbh
Projection system for display applications
Family Cites Families (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3914011A
(en)
*
1974-09-10
1975-10-21
Singer Co
Cascaded relay for improved scheimpflug probe
1975
1975-05-01
US
US05/573,623
patent/US3985422A/en
not_active
Expired – Lifetime
1976
1976-03-31
CA
CA249,254A
patent/CA1066097A/en
not_active
Expired
1976-04-23
GB
GB16524/76A
patent/GB1516432A/en
not_active
Expired
Also Published As
Publication number
Publication date
US3985422A
(en)
1976-10-12
CA1066097A
(en)
1979-11-13
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Legal Events
Date
Code
Title
Description
1978-11-15
PS
Patent sealed [section 19, patents act 1949]
1983-12-14
PCNP
Patent ceased through non-payment of renewal fee
