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IT1186437B - ELECTRONIC DEVICE FOR ALARM ACOUSTIC SIGNALS - Google Patents

ELECTRONIC DEVICE FOR ALARM ACOUSTIC SIGNALS

Info

Publication number
IT1186437B
IT1186437B IT23200/85A IT2320085A IT1186437B IT 1186437 B IT1186437 B IT 1186437B IT 23200/85 A IT23200/85 A IT 23200/85A IT 2320085 A IT2320085 A IT 2320085A IT 1186437 B IT1186437 B IT 1186437B
Authority
IT
Italy
Prior art keywords
electronic device
acoustic signals
alarm acoustic
alarm
signals
Prior art date
Application number
IT23200/85A
Other languages
Italian (it)
Other versions
IT8523200A0 (en
Inventor
Franciscus Antonius Jannink
Original Assignee
Signal Lux Spa
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 Signal Lux Spa filed Critical Signal Lux Spa
Priority to IT23200/85A priority Critical patent/IT1186437B/en
Publication of IT8523200A0 publication Critical patent/IT8523200A0/en
Priority to DE19863640457 priority patent/DE3640457A1/en
Application granted granted Critical
Publication of IT1186437B publication Critical patent/IT1186437B/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
IT23200/85A 1985-12-13 1985-12-13 ELECTRONIC DEVICE FOR ALARM ACOUSTIC SIGNALS IT1186437B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT23200/85A IT1186437B (en) 1985-12-13 1985-12-13 ELECTRONIC DEVICE FOR ALARM ACOUSTIC SIGNALS
DE19863640457 DE3640457A1 (en) 1985-12-13 1986-11-27 Electronic device for audible alarm indication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT23200/85A IT1186437B (en) 1985-12-13 1985-12-13 ELECTRONIC DEVICE FOR ALARM ACOUSTIC SIGNALS

Publications (2)

Publication Number Publication Date
IT8523200A0 IT8523200A0 (en) 1985-12-13
IT1186437B true IT1186437B (en) 1987-11-26

Family

ID=11204819

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23200/85A IT1186437B (en) 1985-12-13 1985-12-13 ELECTRONIC DEVICE FOR ALARM ACOUSTIC SIGNALS

Country Status (2)

Country Link
DE (1) DE3640457A1 (en)
IT (1) IT1186437B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4274084A (en) * 1979-10-26 1981-06-16 Wheelock Signals, Inc. Audio-visual signal circuits

Also Published As

Publication number Publication date
DE3640457A1 (en) 1987-06-25
DE3640457C2 (en) 1989-10-26
IT8523200A0 (en) 1985-12-13

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971230