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FR441804A - System for the automatic transmission of signals or indications from various devices - Google Patents

System for the automatic transmission of signals or indications from various devices

Info

Publication number
FR441804A
FR441804A FR441804DA FR441804A FR 441804 A FR441804 A FR 441804A FR 441804D A FR441804D A FR 441804DA FR 441804 A FR441804 A FR 441804A
Authority
FR
France
Prior art keywords
indications
signals
automatic transmission
various devices
devices
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.)
Russische AG LM Ericsson and Co
Original Assignee
Russische AG LM Ericsson and 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 Russische AG LM Ericsson and Co filed Critical Russische AG LM Ericsson and Co
Application granted granted Critical
Publication of FR441804A publication Critical patent/FR441804A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR441804D 1912-02-21 1912-02-21 System for the automatic transmission of signals or indications from various devices Expired FR441804A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR441804T 1912-02-21

Publications (1)

Publication Number Publication Date
FR441804A true FR441804A (en) 1912-08-17

Family

ID=1483023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR441804D Expired FR441804A (en) 1912-02-21 1912-02-21 System for the automatic transmission of signals or indications from various devices

Country Status (1)

Country Link
FR (1) FR441804A (en)

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