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FR720441A - Improvements in television transmission methods and systems - Google Patents

Improvements in television transmission methods and systems

Info

Publication number
FR720441A
FR720441A FR720441DA FR720441A FR 720441 A FR720441 A FR 720441A FR 720441D A FR720441D A FR 720441DA FR 720441 A FR720441 A FR 720441A
Authority
FR
France
Prior art keywords
systems
transmission methods
television transmission
television
methods
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR720441A publication Critical patent/FR720441A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/26—Image pick-up tubes having an input of visible light and electric output
    • H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
    • 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
    • H01J29/36—Photoelectric screens; Charge-storage screens
    • H01J29/39—Charge-storage screens
    • H01J29/41—Charge-storage screens using secondary emission, e.g. for supericonoscope
    • H01J29/413—Charge-storage screens using secondary emission, e.g. for supericonoscope for writing and reading of charge pattern on opposite sides of the target, e.g. for superorthicon
    • H01J29/416—Charge-storage screens using secondary emission, e.g. for supericonoscope for writing and reading of charge pattern on opposite sides of the target, e.g. for superorthicon with a matrix of electrical conductors traversing the target
FR720441D 1930-07-17 1931-06-24 Improvements in television transmission methods and systems Expired FR720441A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US468610A US2157048A (en) 1930-07-17 1930-07-17 Television system

Publications (1)

Publication Number Publication Date
FR720441A true FR720441A (en) 1932-02-19

Family

ID=23860506

Family Applications (1)

Application Number Title Priority Date Filing Date
FR720441D Expired FR720441A (en) 1930-07-17 1931-06-24 Improvements in television transmission methods and systems

Country Status (6)

Country Link
US (1) US2157048A (en)
BE (1) BE381246A (en)
DE (1) DE661263C (en)
FR (1) FR720441A (en)
GB (1) GB369832A (en)
NL (1) NL39550C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742761C (en) * 1935-08-06 1943-12-10 Telefunken Gmbh Image converter image storage tubes with cathode ray scanning and a linear array of storage elements
DE758468C (en) * 1938-07-30 1952-07-07 Rca Corp Storing image transmission tubes, the mosaic electrode of which is scanned with slow electrons
DE754133C (en) * 1935-08-14 1958-04-24 Fernseh Gmbh Mosaic electrode for storing image decomposition tubes

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2244466A (en) * 1934-05-12 1941-06-03 Emi Ltd Television
DE884507C (en) * 1934-05-12 1953-07-27 Emi Ltd Storage cathode ray scanner with a cohesive photocathode layer separated from the one-sided or two-sided mosaic screen
GB446661A (en) * 1934-08-03 1936-05-04 Alan Dower Blumlein Improvements in or relating to television transmitting systems
DE896952C (en) * 1935-05-12 1953-11-16 Emi Ltd Storage cathode ray scanner with storage electrode on one side
DE753637C (en) * 1938-03-29 1954-03-08 Fernseh Gmbh Method for operating image storage tubes, preferably with a storage electrode on one side
GB646458A (en) * 1947-12-12 1950-11-22 Cinema Television Ltd Improvements in or relating to cathode ray tubes
BE494288A (en) * 1949-03-05
US2658670A (en) * 1949-08-31 1953-11-10 Rca Corp Rate determining device
US3067348A (en) * 1959-12-21 1962-12-04 Rca Corp Pickup tube target structure
US3453471A (en) * 1964-10-09 1969-07-01 Sheldon Edward E Vacuum tube responsive to an electrical image received through an endwall of said tube provided with a plurality of electrical conductors

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742761C (en) * 1935-08-06 1943-12-10 Telefunken Gmbh Image converter image storage tubes with cathode ray scanning and a linear array of storage elements
DE754133C (en) * 1935-08-14 1958-04-24 Fernseh Gmbh Mosaic electrode for storing image decomposition tubes
DE758468C (en) * 1938-07-30 1952-07-07 Rca Corp Storing image transmission tubes, the mosaic electrode of which is scanned with slow electrons

Also Published As

Publication number Publication date
BE381246A (en) 1931-08-31
GB369832A (en) 1932-03-31
US2157048A (en) 1939-05-02
DE661263C (en) 1938-06-15
NL39550C (en) 1936-12-15

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