FR1175085A - Hourly electric device, in particular for cameras - Google Patents

Hourly electric device, in particular for cameras

Info

Publication number: FR1175085A
Authority: FR; France
Prior art keywords: cameras; electric device; hourly electric; hourly; electric
Prior art date: 1956-05-19
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.)

Agfa Gevaert NV

Original Assignee

Agfa Camera Werk 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.)

1956-05-19

Filing date

1957-05-14

Publication date

1959-03-19

1957-05-14 Application filed by Agfa Camera Werk AG filed Critical Agfa Camera Werk AG

1959-03-19 Application granted granted Critical

1959-03-19 Publication of FR1175085A publication Critical patent/FR1175085A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
- H03K17/288—Modifications for introducing a time delay before switching in tube switches
- 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
- G03B27/02—Exposure apparatus for contact printing
- G03B27/04—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box
- G03B27/08—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box for automatic copying of several originals one after the other, e.g. for copying cinematograph film

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Stroboscope Apparatuses (AREA)

FR1175085D 1956-05-19 1957-05-14 Hourly electric device, in particular for cameras Expired FR1175085A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE334802X		1956-05-19

Publications (1)

Publication Number	Publication Date
FR1175085A true FR1175085A (en)	1959-03-19

Family

ID=6218620

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1175085D Expired FR1175085A (en)	1956-05-19	1957-05-14	Hourly electric device, in particular for cameras

Country Status (4)

Country	Link
US (1)	US2835849A (en)
CH (1)	CH334802A (en)
DE (1)	DE1048627B (en)
FR (1)	FR1175085A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL208852A (en) *	1956-07-11
US2952800A (en) *	1957-11-07	1960-09-13	Howard D Gulnac	Time delay device
US3109965A (en) *	1959-11-24	1963-11-05	Cons Electronics Ind	Timing circuit
DE1199854B (en) *	1960-05-19	1965-09-02	Robert Bosch Elektronik Ges Mi	Electronic switching device
US3106668A (en) *	1960-06-29	1963-10-08	Du Pont	Timing circuit
US3144591A (en) *	1962-05-11	1964-08-11	Hughes Aircraft Co	Time delay relay

0
- DE DENDAT1048627D patent/DE1048627B/de active Pending
1957
- 1957-05-10 CH CH334802D patent/CH334802A/en unknown
- 1957-05-14 FR FR1175085D patent/FR1175085A/en not_active Expired
- 1957-05-15 US US659358A patent/US2835849A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE1048627B (en)
CH334802A (en)	1958-12-15
US2835849A (en)	1958-05-20

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