FR2266994A1 - Electronic recording appts for display screen - has beam modulation controlled by twin diaphragms about focus device - Google Patents

Electronic recording appts for display screen - has beam modulation controlled by twin diaphragms about focus device

Info

Publication number
FR2266994A1
FR2266994A1 FR7412025A FR7412025A FR2266994A1 FR 2266994 A1 FR2266994 A1 FR 2266994A1 FR 7412025 A FR7412025 A FR 7412025A FR 7412025 A FR7412025 A FR 7412025A FR 2266994 A1 FR2266994 A1 FR 2266994A1
Authority
FR
France
Prior art keywords
display screen
diaphragms
electronic recording
focus device
beam modulation
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.)
Granted
Application number
FR7412025A
Other languages
English (en)
French (fr)
Other versions
FR2266994B3 (enExample
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.)
SORO REALISATIONS OPTIQUES
Original Assignee
SORO REALISATIONS OPTIQUES
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 SORO REALISATIONS OPTIQUES filed Critical SORO REALISATIONS OPTIQUES
Priority to FR7412025A priority Critical patent/FR2266994A1/fr
Publication of FR2266994A1 publication Critical patent/FR2266994A1/fr
Application granted granted Critical
Publication of FR2266994B3 publication Critical patent/FR2266994B3/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02—Details
    • H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
    • H01J37/147—Arrangements for directing or deflecting the discharge along a desired path

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
FR7412025A 1974-04-04 1974-04-04 Electronic recording appts for display screen - has beam modulation controlled by twin diaphragms about focus device Granted FR2266994A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7412025A FR2266994A1 (en) 1974-04-04 1974-04-04 Electronic recording appts for display screen - has beam modulation controlled by twin diaphragms about focus device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7412025A FR2266994A1 (en) 1974-04-04 1974-04-04 Electronic recording appts for display screen - has beam modulation controlled by twin diaphragms about focus device

Publications (2)

Publication Number Publication Date
FR2266994A1 true FR2266994A1 (en) 1975-10-31
FR2266994B3 FR2266994B3 (enExample) 1977-02-18

Family

ID=9137318

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7412025A Granted FR2266994A1 (en) 1974-04-04 1974-04-04 Electronic recording appts for display screen - has beam modulation controlled by twin diaphragms about focus device

Country Status (1)

Country Link
FR (1) FR2266994A1 (enExample)

Also Published As

Publication number Publication date
FR2266994B3 (enExample) 1977-02-18

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Legal Events

Date Code Title Description
ST Notification of lapse