AT138700B - Cathode ray tube with fluorescent screen and hot cathode, in particular for sound film recordings. - Google Patents

Cathode ray tube with fluorescent screen and hot cathode, in particular for sound film recordings.

Info

Publication number
AT138700B
AT138700B AT138700DA AT138700B AT 138700 B AT138700 B AT 138700B AT 138700D A AT138700D A AT 138700DA AT 138700 B AT138700 B AT 138700B
Authority
AT
Austria
Prior art keywords
fluorescent screen
cathode
ray tube
sound film
hot cathode
Prior art date
Application number
Other languages
German (de)
Inventor
Nat Friedrich Wilhelm Hehlgans
Original Assignee
Aeg
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 Aeg filed Critical Aeg
Application granted granted Critical
Publication of AT138700B publication Critical patent/AT138700B/en

Links

Landscapes

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Elektronenstrahlröhre mit Fluoreszenzschirm und Glühkathode, insbesondere für Tonfilmaufnahmen. 
 EMI1.1 




   <Desc / Clms Page number 1>
 



  Cathode ray tube with fluorescent screen and hot cathode, in particular for sound film recordings.
 EMI1.1


 

Claims (1)

PATENT-ANSPRUCH : Braunsche Röhre mit Fluoreszenzschirm, Glühkathode und Steuerelektrode für die Zwecke der Tonaufzeichnung und des Fernsehens, dadurch gekennzeichnet, dass die Anode als eine die Glühkathode und die Steuerelektrode umschliessende, Durchtrittsöffnungen lediglich für den Elektronenstrahl und die Elektrodenzuführungen aufweisende Metallhülle ausgebildet ist. EMI2.1 PATENT CLAIM: Braun tube with fluorescent screen, hot cathode and control electrode for the purposes of sound recording and television, characterized in that the anode is designed as a metal shell enclosing the hot cathode and the control electrode and having passage openings only for the electron beam and the electrode leads. EMI2.1
AT138700D 1932-04-30 1933-04-25 Cathode ray tube with fluorescent screen and hot cathode, in particular for sound film recordings. AT138700B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE138700X 1932-04-30

Publications (1)

Publication Number Publication Date
AT138700B true AT138700B (en) 1934-09-10

Family

ID=5667432

Family Applications (1)

Application Number Title Priority Date Filing Date
AT138700D AT138700B (en) 1932-04-30 1933-04-25 Cathode ray tube with fluorescent screen and hot cathode, in particular for sound film recordings.

Country Status (1)

Country Link
AT (1) AT138700B (en)

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