FR698658A - Improvements to the circuits of automatic telephony installations - Google Patents

Improvements to the circuits of automatic telephony installations

Info

Publication number
FR698658A
FR698658A FR698658DA FR698658A FR 698658 A FR698658 A FR 698658A FR 698658D A FR698658D A FR 698658DA FR 698658 A FR698658 A FR 698658A
Authority
FR
France
Prior art keywords
circuits
automatic telephony
installations
telephony installations
automatic
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR698658A publication Critical patent/FR698658A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/16—Wiring arrangements for selector switches or relays in frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
FR698658D 1930-07-07 1930-07-08 Improvements to the circuits of automatic telephony installations Expired FR698658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2056430A GB357301A (en) 1930-07-07 1930-07-07 Improvements in automatic telephone exchanges

Publications (1)

Publication Number Publication Date
FR698658A true FR698658A (en) 1931-02-03

Family

ID=10147990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR698658D Expired FR698658A (en) 1930-07-07 1930-07-08 Improvements to the circuits of automatic telephony installations

Country Status (3)

Country Link
BE (1) BE371891A (en)
FR (1) FR698658A (en)
GB (1) GB357301A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082301B (en) * 1958-03-25 1960-05-25 Siemens Ag Albis Telecommunication device cabinet for plug-in units

Also Published As

Publication number Publication date
BE371891A (en) 1930-08-30
GB357301A (en) 1931-09-24

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