DE3420043A1 - Sleep signalling device for supervisors, vehicle drivers or the like - Google Patents

Sleep signalling device for supervisors, vehicle drivers or the like

Info

Publication number
DE3420043A1
DE3420043A1 DE19843420043 DE3420043A DE3420043A1 DE 3420043 A1 DE3420043 A1 DE 3420043A1 DE 19843420043 DE19843420043 DE 19843420043 DE 3420043 A DE3420043 A DE 3420043A DE 3420043 A1 DE3420043 A1 DE 3420043A1
Authority
DE
Grant status
Application
Patent type
Prior art keywords
supervisors
sleep
signalling device
vehicle drivers
drivers
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.)
Withdrawn
Application number
DE19843420043
Other languages
German (de)
Inventor
Volker Boettiger
Original Assignee
Volker Boettiger
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

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal operating condition and not elsewhere provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/06Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms

Abstract

Published without abstract.
DE19843420043 1984-05-29 1984-05-29 Sleep signalling device for supervisors, vehicle drivers or the like Withdrawn DE3420043A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843420043 DE3420043A1 (en) 1984-05-29 1984-05-29 Sleep signalling device for supervisors, vehicle drivers or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843420043 DE3420043A1 (en) 1984-05-29 1984-05-29 Sleep signalling device for supervisors, vehicle drivers or the like

Publications (1)

Publication Number Publication Date
DE3420043A1 true true DE3420043A1 (en) 1985-12-12

Family

ID=6237143

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843420043 Withdrawn DE3420043A1 (en) 1984-05-29 1984-05-29 Sleep signalling device for supervisors, vehicle drivers or the like

Country Status (1)

Country Link
DE (1) DE3420043A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4953111A (en) * 1987-02-12 1990-08-28 Omron Tateisi Electronics Co. Doze detector
DE19643593A1 (en) * 1996-10-22 1998-04-23 Privatinstitut Fuer Informatik Sleep prevention device for motorway driving
DE19744116A1 (en) * 1997-10-06 1999-04-08 Spillner Robert Dipl Ing Sensing device for human eyelid movement
WO2002025615A1 (en) * 2000-09-20 2002-03-28 Eyeswide Ltd. Alerting device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2410996A1 (en) * 1973-03-20 1974-09-26 Mitchel Litman monitoring device
DE2341105A1 (en) * 1973-08-14 1975-02-27 Mitchel Litman Sleep prevention device for vehicle drivers etc. - incorporated in spectacles frame and detecting wearer's eye closure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2410996A1 (en) * 1973-03-20 1974-09-26 Mitchel Litman monitoring device
DE2341105A1 (en) * 1973-08-14 1975-02-27 Mitchel Litman Sleep prevention device for vehicle drivers etc. - incorporated in spectacles frame and detecting wearer's eye closure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4953111A (en) * 1987-02-12 1990-08-28 Omron Tateisi Electronics Co. Doze detector
DE19643593A1 (en) * 1996-10-22 1998-04-23 Privatinstitut Fuer Informatik Sleep prevention device for motorway driving
DE19744116A1 (en) * 1997-10-06 1999-04-08 Spillner Robert Dipl Ing Sensing device for human eyelid movement
WO2002025615A1 (en) * 2000-09-20 2002-03-28 Eyeswide Ltd. Alerting device
GB2390425A (en) * 2000-09-20 2004-01-07 Eyeswide Ltd Alerting device
GB2390425B (en) * 2000-09-20 2004-09-08 Eyeswide Ltd Alerting device

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee