IT1002221B - SWITCHING DEVICE FOR ACOUSTIC SIGNALING DEVICES - Google Patents

SWITCHING DEVICE FOR ACOUSTIC SIGNALING DEVICES

Info

Publication number
IT1002221B
IT1002221B IT3206673A IT3206673A IT1002221B IT 1002221 B IT1002221 B IT 1002221B IT 3206673 A IT3206673 A IT 3206673A IT 3206673 A IT3206673 A IT 3206673A IT 1002221 B IT1002221 B IT 1002221B
Authority
IT
Italy
Prior art keywords
switching device
signaling devices
acoustic signaling
acoustic
devices
Prior art date
Application number
IT3206673A
Other languages
Italian (it)
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of IT1002221B publication Critical patent/IT1002221B/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Fire Alarms (AREA)
IT3206673A 1972-12-14 1973-12-10 SWITCHING DEVICE FOR ACOUSTIC SIGNALING DEVICES IT1002221B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722261110 DE2261110C3 (en) 1972-12-14 1972-12-14 Switching device for acoustic signaling devices

Publications (1)

Publication Number Publication Date
IT1002221B true IT1002221B (en) 1976-05-20

Family

ID=5864365

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3206673A IT1002221B (en) 1972-12-14 1973-12-10 SWITCHING DEVICE FOR ACOUSTIC SIGNALING DEVICES

Country Status (4)

Country Link
DE (1) DE2261110C3 (en)
FR (1) FR2211159A5 (en)
GB (1) GB1448127A (en)
IT (1) IT1002221B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2631758C3 (en) * 1976-07-15 1982-09-30 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Tone sequence switching device for vehicles with right of way
SE419280B (en) * 1979-11-30 1981-07-20 Medicinsk Teknisk Konsultation FREQUENCY ADJUSTED SIGNAL DEVICE FOR HEARING DAMAGE

Also Published As

Publication number Publication date
DE2261110B2 (en) 1977-12-08
DE2261110C3 (en) 1978-07-27
DE2261110A1 (en) 1974-06-20
FR2211159A5 (en) 1974-07-12
GB1448127A (en) 1976-09-02

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