AT239332B - Method for profiling matrices for the production of plastic optical screens with a groove profile serving to remove the line structure of television images - Google Patents

Method for profiling matrices for the production of plastic optical screens with a groove profile serving to remove the line structure of television images

Info

Publication number
AT239332B
AT239332B AT443462A AT443462A AT239332B AT 239332 B AT239332 B AT 239332B AT 443462 A AT443462 A AT 443462A AT 443462 A AT443462 A AT 443462A AT 239332 B AT239332 B AT 239332B
Authority
AT
Austria
Prior art keywords
profiling
matrices
remove
production
line structure
Prior art date
Application number
AT443462A
Other languages
German (de)
Original Assignee
Saba 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 Saba Gmbh filed Critical Saba Gmbh
Application granted granted Critical
Publication of AT239332B publication Critical patent/AT239332B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/72—Modifying the appearance of television pictures by optical filters or diffusing screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/002—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/022—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing characterised by the disposition or the configuration, e.g. dimensions, of the embossments or the shaping tools therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00932—Combined cutting and grinding thereof
    • 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/24—Supports for luminescent material
    • 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
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/18—Luminescent screens
    • H01J29/34—Luminescent screens provided with permanent marks or references
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
AT443462A 1961-06-24 1962-05-30 Method for profiling matrices for the production of plastic optical screens with a groove profile serving to remove the line structure of television images AT239332B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES74490A DE1203310B (en) 1961-06-24 1961-06-24 Process for profiling a roller used for the production of optical diaphragms with a grooved profile

Publications (1)

Publication Number Publication Date
AT239332B true AT239332B (en) 1965-03-25

Family

ID=7504684

Family Applications (1)

Application Number Title Priority Date Filing Date
AT443462A AT239332B (en) 1961-06-24 1962-05-30 Method for profiling matrices for the production of plastic optical screens with a groove profile serving to remove the line structure of television images

Country Status (2)

Country Link
AT (1) AT239332B (en)
DE (1) DE1203310B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE177211T1 (en) * 1990-04-10 1999-03-15 Nobuo Oyama STRIPED LIGHT DIFFUSER AND METHOD OF PRODUCTION THEREOF
CA2014309C (en) * 1990-04-10 1995-09-05 Nobuo Oyama Striated light diffuser and method of forming the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE259596C (en) *
DE891466C (en) * 1941-09-13 1953-09-28 Schallband Syndikat A G Process for the production of sound bands with mechanically scannable sound writing
DE895223C (en) * 1941-09-13 1953-11-02 Schallband Syndikat Ag Process for embossing thermoplastic sound bands with mechanically scannable sound writing
DE1062027B (en) * 1954-06-01 1959-07-23 Eugen Beyer Process for the production of a recording film which can be stretched onto a roller, in particular for magnetic sound recording, with helically arranged guide grooves
DE1807950U (en) * 1959-12-21 1960-03-17 Saba Gmbh ARRANGEMENT FOR THE ELIMINATION OF THE LINE STRUCTURE IN TELEVISION TUBES.

Also Published As

Publication number Publication date
DE1203310B (en) 1965-10-21

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