DE234403C - - Google Patents

Info

Publication number
DE234403C
DE234403C DENDAT234403D DE234403DA DE234403C DE 234403 C DE234403 C DE 234403C DE NDAT234403 D DENDAT234403 D DE NDAT234403D DE 234403D A DE234403D A DE 234403DA DE 234403 C DE234403 C DE 234403C
Authority
DE
Germany
Prior art keywords
lever
writing
armature
morse code
electromagnet
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.)
Active
Application number
DENDAT234403D
Other languages
German (de)
English (en)
Publication of DE234403C publication Critical patent/DE234403C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/12—Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators, e.g. details of alarm push buttons mounted on an infrastructure

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Credit Cards Or The Like (AREA)
DENDAT234403D Active DE234403C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE234403C true DE234403C (enrdf_load_stackoverflow)

Family

ID=494265

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT234403D Active DE234403C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE234403C (enrdf_load_stackoverflow)

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