FR731475A - Condenseur à champ obscur pour microscopes - Google Patents

Condenseur à champ obscur pour microscopes

Info

Publication number: FR731475A
Authority: FR; France
Prior art keywords: microscopes; dark field; field condenser; condenser; dark
Prior art date: 1931-03-10
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

Other languages

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.)

Carl Zeiss AG

Original Assignee

Carl Zeiss AG

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.)

1931-03-10

Filing date

1932-02-16

Publication date

1932-09-03

1932-02-16 Application filed by Carl Zeiss AG filed Critical Carl Zeiss AG

1932-09-03 Application granted granted Critical

1932-09-03 Publication of FR731475A publication Critical patent/FR731475A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/06—Means for illuminating specimens
- G02B21/08—Condensers
- G02B21/10—Condensers affording dark-field illumination

Landscapes

Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Microscoopes, Condenser (AREA)
Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Manufacture Of Macromolecular Shaped Articles (AREA)
Optical Elements Other Than Lenses (AREA)

FR731475D 1931-03-10 1932-02-16 Condenseur à champ obscur pour microscopes Expired FR731475A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE378344X		1931-03-10
DE411338X		1932-09-19

Publications (1)

Publication Number	Publication Date
FR731475A true FR731475A (fr)	1932-09-03

Family

ID=33565829

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR731475D Expired FR731475A (fr)	1931-03-10	1932-02-16	Condenseur à champ obscur pour microscopes

Country Status (4)

Country	Link
US (2)	US1951635A (fr)
AT (2)	AT134412B (fr)
FR (1)	FR731475A (fr)
GB (2)	GB378344A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2549566A (en) *	1948-05-28	1951-04-17	Instr Dev Lab Inc	Optical micrometer gauge
US3692997A (en) *	1971-02-05	1972-09-19	Beckman Instruments Inc	Illumination apparatus
US4011004A (en) *	1975-02-06	1977-03-08	Geometric Data Corporation	Pivotable stage for microscope system
FR2505058B1 (fr) *	1981-04-29	1985-08-16	Essilor Int	Dispositif pour l'examen en eclairage a fond noir
DD215640A1 (de) *	1983-05-02	1984-11-14	Zeiss Jena Veb Carl	Frontlinsengruppe fuer immersionsmikroskopobjektiv in hd-ausfuehrung mit hoher apertur
JPS6090319A (ja) *	1983-10-24	1985-05-21	Olympus Optical Co Ltd	暗視野照明装置
US5982534A (en) *	1997-06-18	1999-11-09	The Regents Of The University Of California	Specimen illumination apparatus with optical cavity for dark field illumination
DE102022107721A1 (de)	2022-03-31	2023-10-05	Jenoptik Optical Systems Gmbh	Beleuchtung für ein Mikroskop, Mikroskop mit Dunkelfeldbeleuchtung, Verwendung zur Blutuntersuchung und Verfahren zum Beleuchten einer Probe
EP4669996A1 (fr) *	2023-02-24	2025-12-31	Blue Cube Technology (Pty) Ltd	Agencement optique destiné à être utilisé en microscopie optique

1932
- 1932-02-16 FR FR731475D patent/FR731475A/fr not_active Expired
- 1932-02-20 US US594347A patent/US1951635A/en not_active Expired - Lifetime
- 1932-02-26 GB GB5747/32A patent/GB378344A/en not_active Expired
- 1932-02-27 AT AT134412D patent/AT134412B/de active
1933
- 1933-09-16 US US689750A patent/US1999240A/en not_active Expired - Lifetime
- 1933-09-16 GB GB25671/33D patent/GB411338A/en not_active Expired
- 1933-09-16 AT AT138888D patent/AT138888B/de active

Also Published As

Publication number	Publication date
US1951635A (en)	1934-03-20
GB411338A (en)	1934-06-07
AT138888B (de)	1934-10-10
AT134412B (de)	1933-08-10
GB378344A (en)	1932-08-11
US1999240A (en)	1935-04-30

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