CH211384A - Electrical system for the simultaneous operation of several call points with telephony transmission. - Google Patents

Electrical system for the simultaneous operation of several call points with telephony transmission.

Info

Publication number
CH211384A
CH211384A CH211384DA CH211384A CH 211384 A CH211384 A CH 211384A CH 211384D A CH211384D A CH 211384DA CH 211384 A CH211384 A CH 211384A
Authority
CH
Switzerland
Prior art keywords
electrical system
simultaneous operation
several call
call points
telephony transmission
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 CH211384A publication Critical patent/CH211384A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/04—Distributors combined with modulators or demodulators
    • H04J3/045—Distributors with CRT
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
    • H01J31/06—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused with more than two output electrodes, e.g. for multiple switching or counting

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Electron Beam Exposure (AREA)
  • Measurement Of Radiation (AREA)
CH211384D 1938-04-22 1939-04-20 Electrical system for the simultaneous operation of several call points with telephony transmission. CH211384A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE211384X 1938-04-22

Publications (1)

Publication Number Publication Date
CH211384A true CH211384A (en) 1940-09-15

Family

ID=5802401

Family Applications (1)

Application Number Title Priority Date Filing Date
CH211384D CH211384A (en) 1938-04-22 1939-04-20 Electrical system for the simultaneous operation of several call points with telephony transmission.

Country Status (6)

Country Link
US (1) US2266671A (en)
BE (1) BE433942A (en)
CH (1) CH211384A (en)
FR (1) FR853308A (en)
GB (1) GB525594A (en)
NL (1) NL65269C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL76339C (en) * 1946-02-07
US2540835A (en) * 1946-12-13 1951-02-06 Bell Telephone Labor Inc Cathode-ray device
US2645741A (en) * 1948-03-29 1953-07-14 Westervelt Robert Alanson Electronic scanning apparatus
BE496113A (en) * 1949-06-04
US2921214A (en) * 1956-04-11 1960-01-12 Nat Res Dev Line focus electron emission systems
US3265870A (en) * 1956-11-16 1966-08-09 Bose Amar Gopal Signal translation

Also Published As

Publication number Publication date
GB525594A (en) 1940-08-30
US2266671A (en) 1941-12-16
BE433942A (en)
FR853308A (en) 1940-03-15
NL65269C (en)

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