DE2052939B2 - - Google Patents

Info

Publication number
DE2052939B2
DE2052939B2 DE2052939A DE2052939A DE2052939B2 DE 2052939 B2 DE2052939 B2 DE 2052939B2 DE 2052939 A DE2052939 A DE 2052939A DE 2052939 A DE2052939 A DE 2052939A DE 2052939 B2 DE2052939 B2 DE 2052939B2
Authority
DE
Germany
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.)
Granted
Application number
DE2052939A
Other languages
German (de)
Other versions
DE2052939C3 (de
DE2052939A1 (de
Inventor
Alfred 3167 Burgdorf Grotjahn
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE2052939A priority Critical patent/DE2052939C3/de
Priority to FR7138598A priority patent/FR2111883B1/fr
Priority to US00192835A priority patent/US3740648A/en
Publication of DE2052939A1 publication Critical patent/DE2052939A1/de
Publication of DE2052939B2 publication Critical patent/DE2052939B2/de
Application granted granted Critical
Publication of DE2052939C3 publication Critical patent/DE2052939C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
    • G08B21/0438—Sensor means for detecting
    • G08B21/0446—Sensor means for detecting worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0297—Robbery alarms, e.g. hold-up alarms, bag snatching alarms
    • 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)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Gerontology & Geriatric Medicine (AREA)
  • Transmitters (AREA)
  • Audible And Visible Signals (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
DE2052939A 1970-10-28 1970-10-28 Als Kleinstsender ausgebildeter Notrufmelder Expired DE2052939C3 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE2052939A DE2052939C3 (de) 1970-10-28 1970-10-28 Als Kleinstsender ausgebildeter Notrufmelder
FR7138598A FR2111883B1 (enrdf_load_stackoverflow) 1970-10-28 1971-10-27
US00192835A US3740648A (en) 1970-10-28 1971-10-27 Distress call signalizer of the miniature transmitter type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2052939A DE2052939C3 (de) 1970-10-28 1970-10-28 Als Kleinstsender ausgebildeter Notrufmelder

Publications (3)

Publication Number Publication Date
DE2052939A1 DE2052939A1 (de) 1972-05-25
DE2052939B2 true DE2052939B2 (enrdf_load_stackoverflow) 1975-04-03
DE2052939C3 DE2052939C3 (de) 1975-11-20

Family

ID=5786410

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2052939A Expired DE2052939C3 (de) 1970-10-28 1970-10-28 Als Kleinstsender ausgebildeter Notrufmelder

Country Status (3)

Country Link
US (1) US3740648A (enrdf_load_stackoverflow)
DE (1) DE2052939C3 (enrdf_load_stackoverflow)
FR (1) FR2111883B1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921470A1 (de) * 1979-05-26 1980-11-27 Alfred Grotjahn Tragbarer notsignalgeber

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2314548A1 (fr) * 1975-06-09 1977-01-07 Seteca Appareil de signalisation individuel pour la detection rapide d'accident
US4055839A (en) * 1975-07-25 1977-10-25 Locust Farms, Inc. Foaling alarm
US4296485A (en) * 1978-10-30 1981-10-20 Phillips Petroleum Company Tilt alarm in a seismic exploration system
US4667188A (en) * 1985-04-25 1987-05-19 Cable Electric Products, Inc. Portable alarm
US4719454A (en) * 1985-10-30 1988-01-12 Hopkins International Personal alarm
US4829285A (en) * 1987-06-11 1989-05-09 Marc I. Brand In-home emergency assist device
GB2213333B (en) * 1987-12-02 1992-02-26 Morris Maram Detector units
US4876532A (en) * 1988-06-23 1989-10-24 Fisher/Sauls Electronics, Inc. Vending rack burglar alarm
US5157405A (en) * 1991-11-01 1992-10-20 Keith H. Wycoff Hunting arrow tracking system
US20100097207A1 (en) * 2008-10-16 2010-04-22 Stephen Mildenberger Activation device for personal alarm system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1025102A (en) * 1961-11-09 1966-04-06 Burndept Ltd Radio rescue beacon
US3336530A (en) * 1964-10-14 1967-08-15 Trak Microwave Corp Direction finding system for hunting dogs
US3497808A (en) * 1966-03-28 1970-02-24 South Bay Associates Acceleration sensitive locating transmitter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921470A1 (de) * 1979-05-26 1980-11-27 Alfred Grotjahn Tragbarer notsignalgeber

Also Published As

Publication number Publication date
DE2052939C3 (de) 1975-11-20
FR2111883B1 (enrdf_load_stackoverflow) 1976-10-29
FR2111883A1 (enrdf_load_stackoverflow) 1972-06-09
US3740648A (en) 1973-06-19
DE2052939A1 (de) 1972-05-25

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)