CA955534A - Frequency carriers - Google Patents

Frequency carriers

Info

Publication number
CA955534A
CA955534A CA109,618A CA109618A CA955534A CA 955534 A CA955534 A CA 955534A CA 109618 A CA109618 A CA 109618A CA 955534 A CA955534 A CA 955534A
Authority
CA
Canada
Prior art keywords
frequency carriers
carriers
frequency
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
CA109,618A
Other languages
English (en)
Other versions
CA109618S (en
Inventor
Walter Matuschke
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA955534A publication Critical patent/CA955534A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • B29D17/005—Producing optically read record carriers, e.g. optical discs
    • B29D17/007—Forming the relief pattern on a support larger than the record
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Printing Methods (AREA)
CA109,618A 1970-04-04 1971-04-05 Frequency carriers Expired CA955534A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702016228 DE2016228A1 (zh) 1970-04-04 1970-04-04

Publications (1)

Publication Number Publication Date
CA955534A true CA955534A (en) 1974-10-01

Family

ID=5767162

Family Applications (1)

Application Number Title Priority Date Filing Date
CA109,618A Expired CA955534A (en) 1970-04-04 1971-04-05 Frequency carriers

Country Status (10)

Country Link
US (1) US3768946A (zh)
BE (1) BE765260A (zh)
CA (1) CA955534A (zh)
CH (1) CH533508A (zh)
CS (1) CS164883B2 (zh)
DE (1) DE2016228A1 (zh)
FR (1) FR2089024A5 (zh)
GB (1) GB1350965A (zh)
NL (1) NL7104562A (zh)
SE (1) SE370041B (zh)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2246670A1 (de) * 1972-09-22 1974-03-28 Agfa Gevaert Ag Verfahren und vorrichtung zur kennzeichnung von schnittstellen
IT1034883B (it) * 1975-04-07 1979-10-10 Metec Mechanik U Technik Engin Macchina atta ad effettuare in un unico ciclo operativo lostampaggio e la vulcanizzazione di anelli battistrada per pneumatici
FR2450683A1 (fr) * 1979-03-06 1980-10-03 Thomson Brandt Procede et appareil de realisation de disque video
US4323533A (en) * 1979-08-17 1982-04-06 Monsanto Company Rotary forming of articles
US4315878A (en) * 1980-01-14 1982-02-16 H. B. Fuller Company Manufacture of blanks for recording discs utilizing coextrusion and blanks and records made thereby
US5160462A (en) * 1986-02-14 1992-11-03 Canon Kabushiki Kaisha Preparing optical memory medium by laminating a thermoplastic resin layer on a thermosetting resin sheet
US4836874A (en) * 1987-01-30 1989-06-06 Foster Michael S Method of mass producing damage-resistant compact discs
NL8802081A (nl) * 1988-08-23 1990-03-16 Nagron Precision Tooling Werkwijze voor het vervaardigen van een drager met optisch leesbare, digitale informatie.
JPH02235620A (ja) * 1989-03-10 1990-09-18 Canon Inc 光学的情報記録媒体用基板成形ローラー
DE69002372T2 (de) * 1989-04-26 1993-12-09 Canon Kk Stanzwalze zum Giessen von Lagen für optische Datenträger, Verfahren zu deren Herstellung und Verfahren zur Herstellung des damit herzustellenden Trägers.
US5324188A (en) * 1989-12-19 1994-06-28 Canon Kabushiki Kaisha Roller stamper for molding a substrate sheet to become an information recording medium
US5266136A (en) * 1989-12-19 1993-11-30 Canon Kabushiki Kaisha Process for producing a roll stamper for molding a substrate sheet for information recording mediums
EP0449462A3 (en) * 1990-03-15 1992-02-26 Canon Kabushiki Kaisha Roll stamper for moulding substrate sheet for information recording mediums
US5368789A (en) * 1990-09-28 1994-11-29 Canon Kabushiki Kaisha Method for forming substrate sheet for optical recording medium
DE69218333T2 (de) * 1991-06-14 1997-08-07 Canon Kk Prägewalze zur Bildung eines Trägers für ein Informationsspeichermedium und Vorrichtung zur Verwendung der Prägewalze
US5320514A (en) * 1991-10-22 1994-06-14 Canon Kabushiki Kaisha Roll stamper, and apparatus and process for manufacturing substrate sheet for information recording mediums by using the same
KR100854605B1 (ko) * 2001-07-05 2008-08-27 데이진 가세이 가부시키가이샤 권회 적층체
EP3895867A1 (en) * 2020-04-14 2021-10-20 Essilor International Method for generating microstructure on a film by a roller

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1996057A (en) * 1928-05-14 1935-04-02 Rca Corp Apparatus for the production of disk records for talking machines
US2425043A (en) * 1943-03-03 1947-08-05 Moore George Arlington Container
US2529083A (en) * 1946-07-09 1950-11-07 Lincoln M Keefe Apparatus for making records
US3121913A (en) * 1961-05-08 1964-02-25 Hagmann Apparatus for pressure forming plastics
US3131425A (en) * 1961-07-28 1964-05-05 Sun Chemical Corp Embossing, sheeting and winding machine and process
US3333032A (en) * 1963-11-12 1967-07-25 Union Carbide Corp Treated polymer surfaces of shaped articles
US3479694A (en) * 1965-08-19 1969-11-25 Thomas W Winstead Continuous method and apparatus for manufacturing articles from foamed thermoplastic material
GB1296236A (zh) * 1969-01-30 1972-11-15

Also Published As

Publication number Publication date
DE2016228A1 (zh) 1971-10-28
FR2089024A5 (zh) 1972-01-07
BE765260A (fr) 1971-08-30
SE370041B (zh) 1974-09-30
NL7104562A (zh) 1971-10-06
CH533508A (de) 1973-02-15
GB1350965A (en) 1974-04-24
US3768946A (en) 1973-10-30
CS164883B2 (zh) 1975-11-28

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