FR1076385A - Assembly for telephone networks with central offices and satellite offices - Google Patents

Assembly for telephone networks with central offices and satellite offices

Info

Publication number
FR1076385A
FR1076385A FR1076385DA FR1076385A FR 1076385 A FR1076385 A FR 1076385A FR 1076385D A FR1076385D A FR 1076385DA FR 1076385 A FR1076385 A FR 1076385A
Authority
FR
France
Prior art keywords
offices
assembly
telephone networks
satellite
central
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs 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 Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR1076385A publication Critical patent/FR1076385A/en
Expired legal-status Critical Current

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)
FR1076385D 1952-02-20 1953-04-01 Assembly for telephone networks with central offices and satellite offices Expired FR1076385A (en)

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
FR1076385A true FR1076385A (en) 1954-10-26

Family

ID=27179991

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1070699D Expired FR1070699A (en) 1952-02-20 1953-02-09 Transparent window for discharge tubes, especially for x-ray tubes
FR1076385D Expired FR1076385A (en) 1952-02-20 1953-04-01 Assembly for telephone networks with central offices and satellite offices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1070699D Expired FR1070699A (en) 1952-02-20 1953-02-09 Transparent window for discharge tubes, especially for x-ray tubes

Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1122587B (en) * 1960-02-02 1962-01-25 Telefunken Patent Telephone system with communal lines
DE1207020B (en) * 1963-12-02 1965-12-16 Dr Med Gertrud Klefisch Vacuum tubes
SE415804B (en) * 1978-06-21 1980-10-27 Nils Johannes Baecklund SET FOR MEDIUM X-RAY META CONTAIN THE CONTENT OR QUANTITY OF A PRESET-PREPARED SUBSTANCE IN A SAMPLE, AND DEVICE FOR EXECUTING THE SET

Also Published As

Publication number Publication date
DE957852C (en) 1957-01-17
FR1070699A (en) 1954-08-05
GB767397A (en) 1957-02-06
BE518895A (en)
CH312413A (en) 1955-12-31
GB744672A (en) 1956-02-15
CH316570A (en) 1956-10-15
NL92853C (en)

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