CH252910A - Process for the production of a vented and airtight vessel, the wall of which is at least partially made of metal. - Google Patents

Process for the production of a vented and airtight vessel, the wall of which is at least partially made of metal.

Info

Publication number
CH252910A
CH252910A CH252910DA CH252910A CH 252910 A CH252910 A CH 252910A CH 252910D A CH252910D A CH 252910DA CH 252910 A CH252910 A CH 252910A
Authority
CH
Switzerland
Prior art keywords
vented
production
metal
wall
partially made
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH252910A publication Critical patent/CH252910A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/16—Frequency regulation arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/40—Closing vessels
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Tubes (AREA)
CH252910D 1944-05-25 1946-03-21 Process for the production of a vented and airtight vessel, the wall of which is at least partially made of metal. CH252910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1169950X 1944-05-25

Publications (1)

Publication Number Publication Date
CH252910A true CH252910A (en) 1948-01-31

Family

ID=19870863

Family Applications (1)

Application Number Title Priority Date Filing Date
CH252910D CH252910A (en) 1944-05-25 1946-03-21 Process for the production of a vented and airtight vessel, the wall of which is at least partially made of metal.

Country Status (6)

Country Link
BE (1) BE464099A (en)
CH (1) CH252910A (en)
DE (1) DE811007C (en)
FR (1) FR927295A (en)
GB (1) GB625186A (en)
NL (1) NL60409C (en)

Also Published As

Publication number Publication date
FR927295A (en) 1947-11-03
DE811007C (en) 1951-08-16
GB625186A (en) 1949-06-23
BE464099A (en)
NL60409C (en)

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