FR1055388A - Assembly for checking the simultaneous existence of several voltages, in particular for telephone systems - Google Patents

Assembly for checking the simultaneous existence of several voltages, in particular for telephone systems

Info

Publication number
FR1055388A
FR1055388A FR1055388DA FR1055388A FR 1055388 A FR1055388 A FR 1055388A FR 1055388D A FR1055388D A FR 1055388DA FR 1055388 A FR1055388 A FR 1055388A
Authority
FR
France
Prior art keywords
checking
assembly
telephone systems
simultaneous existence
several voltages
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)
Inventor
Hans-Joachim Dipl-I Jabczynski
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR1055388A publication Critical patent/FR1055388A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/52—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of gas-filled tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/06—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using vacuum tubes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Emergency Protection Circuit Devices (AREA)
FR1055388D 1951-05-06 1952-05-03 Assembly for checking the simultaneous existence of several voltages, in particular for telephone systems Expired FR1055388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES23029A DE881072C (en) 1951-05-06 1951-05-06 Circuit arrangement for testing the simultaneous presence of several voltages, especially for telephone systems

Publications (1)

Publication Number Publication Date
FR1055388A true FR1055388A (en) 1954-02-18

Family

ID=32919258

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1055388D Expired FR1055388A (en) 1951-05-06 1952-05-03 Assembly for checking the simultaneous existence of several voltages, in particular for telephone systems

Country Status (3)

Country Link
BE (1) BE510728A (en)
DE (1) DE881072C (en)
FR (1) FR1055388A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE954800C (en) * 1954-02-26 1956-12-20 Tesla Np Determination device for zone numbering in telecommunication centers

Also Published As

Publication number Publication date
BE510728A (en) 1952-05-15
DE881072C (en) 1953-06-25

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