CH316570A - Fernsprechanlage mit Haupt- und Unterämtern - Google Patents

Fernsprechanlage mit Haupt- und Unterämtern

Info

Publication number
CH316570A
CH316570A CH316570DA CH316570A CH 316570 A CH316570 A CH 316570A CH 316570D A CH316570D A CH 316570DA CH 316570 A CH316570 A CH 316570A
Authority
CH
Switzerland
Prior art keywords
offices
sub
main
telephone system
telephone
Prior art date
Application number
Other languages
English (en)
Inventor
Guenter Dipl In Brettschneider
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of CH316570A publication Critical patent/CH316570A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J35/00—X-ray tubes
    • H01J35/02—Details
    • H01J35/16—Vessels; Containers; Shields associated therewith
    • H01J35/18—Windows
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/18—Windows permeable to X-rays, gamma-rays, or particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • X-Ray Techniques (AREA)
CH316570D 1952-02-20 1953-03-23 Fernsprechanlage mit Haupt- und Unterämtern CH316570A (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE312413X 1952-02-20
DE316570X 1952-04-01
DE10852X 1952-08-01

Publications (1)

Publication Number Publication Date
CH316570A true CH316570A (de) 1956-10-15

Family

ID=27179991

Family Applications (2)

Application Number Title Priority Date Filing Date
CH312413D CH312413A (de) 1952-02-20 1953-01-26 Strahlenaustrittsanordnung an Entladungsgefäss, insbesondere für Röntgenröhren, und Verfahren zu ihrer Herstellung.
CH316570D CH316570A (de) 1952-02-20 1953-03-23 Fernsprechanlage mit Haupt- und Unterämtern

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH312413D CH312413A (de) 1952-02-20 1953-01-26 Strahlenaustrittsanordnung an Entladungsgefäss, insbesondere für Röntgenröhren, und Verfahren zu ihrer Herstellung.

Country Status (6)

Country Link
BE (1) BE518895A (de)
CH (2) CH312413A (de)
DE (1) DE957852C (de)
FR (2) FR1070699A (de)
GB (2) GB744672A (de)
NL (1) NL92853C (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122587B (de) * 1960-02-02 1962-01-25 Telefunken Patent Fernsprechanlage mit Gemeinschaftsanschluessen
DE1207020B (de) * 1963-12-02 1965-12-16 Dr Med Gertrud Klefisch Vakuumroehre
SE415804B (sv) * 1978-06-21 1980-10-27 Nils Johannes Baecklund Sett att medelst rontgenstralning meta halten eller mengden av ett forutbestemt grundemne i ett prov, samt anordning for utforande av settet

Also Published As

Publication number Publication date
BE518895A (de)
NL92853C (de)
CH312413A (de) 1955-12-31
FR1070699A (fr) 1954-08-05
GB767397A (en) 1957-02-06
FR1076385A (fr) 1954-10-26
GB744672A (en) 1956-02-15
DE957852C (de) 1957-01-17

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