FR456340A - Selective signal system - Google Patents

Selective signal system

Info

Publication number
FR456340A
FR456340A FR456340DA FR456340A FR 456340 A FR456340 A FR 456340A FR 456340D A FR456340D A FR 456340DA FR 456340 A FR456340 A FR 456340A
Authority
FR
France
Prior art keywords
signal system
selective signal
selective
signal
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.)
Automatic Electric Co
Original Assignee
Automatic Electric Co
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 Automatic Electric Co filed Critical Automatic Electric Co
Application granted granted Critical
Publication of FR456340A publication Critical patent/FR456340A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/18—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with indirect connection, i.e. through subordinate switching centre
    • H04Q5/22—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with indirect connection, i.e. through subordinate switching centre the subordinate centre not permitting interconnection of subscribers connected thereto

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR456340D 1913-04-04 1913-04-04 Selective signal system Expired FR456340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR456340T 1913-04-04

Publications (1)

Publication Number Publication Date
FR456340A true FR456340A (en) 1913-08-23

Family

ID=1496144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR456340D Expired FR456340A (en) 1913-04-04 1913-04-04 Selective signal system

Country Status (1)

Country Link
FR (1) FR456340A (en)

Similar Documents

Publication Publication Date Title
FR456340A (en) Selective signal system
FR458192A (en) Selective signal system
FR456639A (en) Double contact signal system
FR452979A (en) Railway signal system
FR464322A (en) Corset-belt system
FR456565A (en) Selective ringing system
FR469535A (en) Signal repetition system on trains
FR527402A (en) Tricycle-cart system
ES55676A1 (en) Signal apparatus.
DK36142C (en) Transmitter device for Signal Systems.
FR439397A (en) Padlock-clip system
FR402610A (en) Electric automatic block signal system
FR462167A (en) Foundation system
FR421467A (en) Wake-up system
FR412511A (en) Washer-Washer System
FR470616A (en) Float system
FR473328A (en) Bottle-tap system
FR455762A (en) Connection system
FR464917A (en) Signal repeater on locomotive
FR435920A (en) Advanced dentimeter system
FR453524A (en) Mudguard system
DK12458C (en) Signal system.
FR477069A (en) Teledynamic control system
FR464655A (en) Signaling system
FR456759A (en) Yoke system