FR1090222A - Device for the attenuation of light in cameras, particularly for television purposes - Google Patents

Device for the attenuation of light in cameras, particularly for television purposes

Info

Publication number
FR1090222A
FR1090222A FR1090222DA FR1090222A FR 1090222 A FR1090222 A FR 1090222A FR 1090222D A FR1090222D A FR 1090222DA FR 1090222 A FR1090222 A FR 1090222A
Authority
FR
France
Prior art keywords
attenuation
cameras
light
television purposes
television
Prior art date
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
French (fr)
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.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
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.)
Filing date
Publication date
Application filed by Fernseh GmbH filed Critical Fernseh GmbH
Application granted granted Critical
Publication of FR1090222A publication Critical patent/FR1090222A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/06—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of fluids in transparent cells
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/06—Fluid-filled or evacuated prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/24—Liquid filters
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/006—Arrangements for eliminating unwanted temperature effects
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/89—Optical or photographic arrangements structurally combined or co-operating with the vessel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/89—Optical components associated with the vessel
    • H01J2229/8901—Fixing of optical components to the vessel
FR1090222D 1952-11-07 1953-11-05 Device for the attenuation of light in cameras, particularly for television purposes Expired FR1090222A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE743163X 1952-11-07
DE766287X 1953-11-06

Publications (1)

Publication Number Publication Date
FR1090222A true FR1090222A (en) 1955-03-29

Family

ID=31979326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1090222D Expired FR1090222A (en) 1952-11-07 1953-11-05 Device for the attenuation of light in cameras, particularly for television purposes

Country Status (4)

Country Link
BE (1) BE523995A (en)
FR (1) FR1090222A (en)
GB (2) GB743163A (en)
NL (1) NL182242B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610740A (en) * 1968-10-07 1971-10-05 Luis R Aparicio Variable light filters
GB9109141D0 (en) * 1991-04-27 1991-06-12 Kingston Communications Hull P Improvements in or relating to filter arrangements

Also Published As

Publication number Publication date
NL182242B (en)
BE523995A (en)
GB766287A (en) 1957-01-16
GB743163A (en) 1956-01-11

Similar Documents

Publication Publication Date Title
FR1090222A (en) Device for the attenuation of light in cameras, particularly for television purposes
FR789089A (en) Device for the rational application of makeup eyeshadows
FR894767A (en) Coupling device for trailers
FR1061953A (en) Device for cleaning large surfaces
FR901508A (en) Device for obtaining light signs
FR908133A (en) Contact lens clearing sensitive parts of the eye
FR944105A (en) Device for cleaning the pipes
FR981267A (en) Hinge attachment device for opening panels
FR1153408A (en) Device to prevent fogging on closed showcases
FR891499A (en) Device for disengaging or engaging the action of springs or the like
FR883570A (en) Device for the production of trapezoidal frames in television
FR1068314A (en) Device for the selection of rectifiers used in modulators
FR1064174A (en) Device for surface lighting
FR60080E (en) Method and device for reestablishing the sequence of rapid movements in cinematography, applicable in particular for color and relief projections
FR901509A (en) Device for obtaining light signs
FR947858A (en) Audiophone frame on glasses
FR1033214A (en) Shutter for cameras
FR912598A (en) Filter device for gasifiers
FR896551A (en) Glare protection device applicable directly to the wearer's face
FR1059535A (en) Enclosure device for jewelry chains
FR861683A (en) Locking device for lens mounts
FR901534A (en) Device for assembling wooden bed frames
FR985953A (en) Device for driving perforated films
FR992630A (en) Device for establishing models
FR893802A (en) Adapter frame for the rapid installation of the gasifier on the tractor