FR846630A - Selection control devices for telephone and analog systems - Google Patents

Selection control devices for telephone and analog systems

Info

Publication number
FR846630A
FR846630A FR846630DA FR846630A FR 846630 A FR846630 A FR 846630A FR 846630D A FR846630D A FR 846630DA FR 846630 A FR846630 A FR 846630A
Authority
FR
France
Prior art keywords
telephone
control devices
selection control
analog systems
analog
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR846630A publication Critical patent/FR846630A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Relay Circuits (AREA)
FR846630D 1937-11-26 1938-11-25 Selection control devices for telephone and analog systems Expired FR846630A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US846630XA 1937-11-26 1937-11-26
US176557A US2126875A (en) 1937-11-26 1937-11-26 Selection controlling apparatus for telephone systems

Publications (1)

Publication Number Publication Date
FR846630A true FR846630A (en) 1939-09-21

Family

ID=32965155

Family Applications (1)

Application Number Title Priority Date Filing Date
FR846630D Expired FR846630A (en) 1937-11-26 1938-11-25 Selection control devices for telephone and analog systems

Country Status (2)

Country Link
US (1) US2126875A (en)
FR (1) FR846630A (en)

Also Published As

Publication number Publication date
US2126875A (en) 1938-08-16

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