NL165997B - PROCESS FOR PREPARING SILICA GEL. - Google Patents

PROCESS FOR PREPARING SILICA GEL.

Info

Publication number
NL165997B
NL165997B NL7107545.A NL165997DA NL165997B NL 165997 B NL165997 B NL 165997B NL 165997D A NL165997D A NL 165997DA NL 165997 B NL165997 B NL 165997B
Authority
NL
Netherlands
Prior art keywords
silica gel
preparing silica
preparing
gel
silica
Prior art date
Application number
NL7107545.A
Other languages
Dutch (nl)
Original Assignee
Pechiney Saint Gobain
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.)
Publication of NL165997B publication Critical patent/NL165997B/en

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
    • H01J31/34—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at cathode potential, e.g. orthicon
    • H01J31/38—Tubes with photoconductive screen, e.g. vidicon
    • 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
    • H01J29/021—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof arrangements for eliminating interferences in the tube
NL7107545.A 1950-12-16 PROCESS FOR PREPARING SILICA GEL. NL165997B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30712/50A GB711275A (en) 1950-12-16 1950-12-16 Improved circuit arrangement employing cathode ray tubes

Publications (1)

Publication Number Publication Date
NL165997B true NL165997B (en)

Family

ID=10311956

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7107545.A NL165997B (en) 1950-12-16 PROCESS FOR PREPARING SILICA GEL.

Country Status (5)

Country Link
US (1) US2740918A (en)
DE (1) DE944558C (en)
FR (1) FR1051489A (en)
GB (1) GB711275A (en)
NL (1) NL165997B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2878416A (en) * 1953-08-10 1959-03-17 Pye Ltd Television camera tubes
GB799425A (en) * 1954-07-20 1958-08-06 Emi Ltd Improvements in or relating to arrangements embodying pick-up tubes
US2873398A (en) * 1956-01-04 1959-02-10 Munsey E Crost Direct viewing moving target indicator cathode-ray storage tube
DE1292173B (en) * 1963-09-07 1969-04-10 Fernseh Gmbh Adjusting device in a deflection system for television tubes and. like
US3303278A (en) * 1964-05-13 1967-02-07 Tesla Np Television pick-up camera for three color pick-up of television images
JPS59207545A (en) * 1983-05-12 1984-11-24 Sony Corp Image pick-up tube

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR825557A (en) * 1936-08-13 1938-03-07 Image-accumulating tube television picture collecting device
DE896055C (en) * 1936-08-13 1953-11-09 Walter Heimann Dr Ing Arrangement for reducing low-frequency interference pulses superimposed on the useful image pulses in the cathode ray scanner
DE702243C (en) * 1936-09-10 1941-02-03 Walter Heimann Dr Ing Method for reducing or eliminating the disturbance pulse that occurs when storing television transmitter tubes
DE742002C (en) * 1939-03-30 1943-11-20 Bosch Gmbh Robert Tube transmitter
DE742802C (en) * 1940-09-03 1943-12-11 Fernseh Gmbh Storage image decomposition tube with built-in secondary electron multiplier and a frame or ring which represents the first impact stage and is arranged in front of the storage electrode
US2322807A (en) * 1940-12-28 1943-06-29 Rca Corp Electron discharge device and system
US2404046A (en) * 1941-06-21 1946-07-16 Rca Corp Television transmitting apparatus
GB665877A (en) * 1948-02-03 1952-01-30 Emi Ltd Improvements in or relating to circuit arrangements embodying cathode ray tubes
US2579351A (en) * 1949-08-30 1951-12-18 Rca Corp Isocon pickup tube
US2548118A (en) * 1950-05-01 1951-04-10 Rca Corp Art of analyzing optical images

Also Published As

Publication number Publication date
US2740918A (en) 1956-04-03
GB711275A (en) 1954-06-30
DE944558C (en) 1956-06-21
FR1051489A (en) 1954-01-15

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