NL8258C - ELECTRICAL ALARM DEVICE WITH SOUND AND LIGHT ALARM - Google Patents

ELECTRICAL ALARM DEVICE WITH SOUND AND LIGHT ALARM

Info

Publication number
NL8258C
NL8258C NL17965A NL17965A NL8258C NL 8258 C NL8258 C NL 8258C NL 17965 A NL17965 A NL 17965A NL 17965 A NL17965 A NL 17965A NL 8258 C NL8258 C NL 8258C
Authority
NL
Netherlands
Prior art keywords
alarm
sound
electrical
light
alarm device
Prior art date
Application number
NL17965A
Other languages
Dutch (nl)
Inventor
Haak Cornelis Henderikus Ter
Original Assignee
Haak Cornelis Henderikus Ter
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 Haak Cornelis Henderikus Ter filed Critical Haak Cornelis Henderikus Ter
Priority to NL17965A priority Critical patent/NL8258C/en
Application granted granted Critical
Publication of NL8258C publication Critical patent/NL8258C/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
    • G04C21/24—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm put into action by the spring of a mechanical alarm work

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
NL17965A 1921-02-07 1921-02-07 ELECTRICAL ALARM DEVICE WITH SOUND AND LIGHT ALARM NL8258C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL17965A NL8258C (en) 1921-02-07 1921-02-07 ELECTRICAL ALARM DEVICE WITH SOUND AND LIGHT ALARM

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL17965A NL8258C (en) 1921-02-07 1921-02-07 ELECTRICAL ALARM DEVICE WITH SOUND AND LIGHT ALARM

Publications (1)

Publication Number Publication Date
NL8258C true NL8258C (en) 1923-02-15

Family

ID=1777945

Family Applications (1)

Application Number Title Priority Date Filing Date
NL17965A NL8258C (en) 1921-02-07 1921-02-07 ELECTRICAL ALARM DEVICE WITH SOUND AND LIGHT ALARM

Country Status (1)

Country Link
NL (1) NL8258C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444748A (en) * 1945-08-28 1948-07-06 Anthony J Parissi Clock with visible and audible alarm means
US2539138A (en) * 1947-04-19 1951-01-23 Casco Products Corp Cyclometer clock alarm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444748A (en) * 1945-08-28 1948-07-06 Anthony J Parissi Clock with visible and audible alarm means
US2539138A (en) * 1947-04-19 1951-01-23 Casco Products Corp Cyclometer clock alarm

Similar Documents

Publication Publication Date Title
NL8258C (en) ELECTRICAL ALARM DEVICE WITH SOUND AND LIGHT ALARM
NL9556C (en) Alarm device
DK31271C (en) Electrical Alarm Device.
FR542462A (en) Thermometric and hygrometric devices
FR528195A (en) Electric alarm device
FR536262A (en) Electric thermo-cautery and electric pyrograver
FR548758A (en) Electric light announcement device
FI8600A (en) Electrical alarm contact
FR581099A (en) Acoustic warning device
DK30658C (en) Electrical Alarm Device.
FR532858A (en) Coffin perfects
FR542847A (en) Security device and alarm
FR528428A (en) Burglar alarm device
FR517091A (en) Burglar alarm device
AT88495B (en) Light and bell signal device.
CH83605A (en) Alarm device
FI8681A (en) Deep-harrow device
FR544237A (en) Motobloc siren
FR537093A (en) Fire alarm device
FR531334A (en) Warning device
FR534227A (en) Telephone device
FR526953A (en) Electric sound device
FR530599A (en) Electric fire alarm
FR533889A (en) Electric fire alarm
FR544034A (en) Theft and fire warning device