FI56457C - Foerfarande och anordning foer alstring av en kontinuerligt paogaoende akustisk signal med stegvis glidande tonskala - Google Patents

Foerfarande och anordning foer alstring av en kontinuerligt paogaoende akustisk signal med stegvis glidande tonskala Download PDF

Info

Publication number
FI56457C
FI56457C FI37372A FI37372A FI56457C FI 56457 C FI56457 C FI 56457C FI 37372 A FI37372 A FI 37372A FI 37372 A FI37372 A FI 37372A FI 56457 C FI56457 C FI 56457C
Authority
FI
Finland
Prior art keywords
sound
period
numbers
adjacent
generating devices
Prior art date
Application number
FI37372A
Other languages
English (en)
Finnish (fi)
Other versions
FI56457B (fi
Inventor
Bengt Lennart Holm
Mats Inge Moritz
Original Assignee
Kockums Automation
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 Kockums Automation filed Critical Kockums Automation
Application granted granted Critical
Publication of FI56457B publication Critical patent/FI56457B/fi
Publication of FI56457C publication Critical patent/FI56457C/fi

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K7/00Sirens

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Alarm Systems (AREA)
  • Reciprocating Pumps (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Push-Button Switches (AREA)
FI37372A 1971-02-12 1972-02-11 Foerfarande och anordning foer alstring av en kontinuerligt paogaoende akustisk signal med stegvis glidande tonskala FI56457C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE176771A SE362305B (de) 1971-02-12 1971-02-12
SE176771 1971-02-12

Publications (2)

Publication Number Publication Date
FI56457B FI56457B (fi) 1979-09-28
FI56457C true FI56457C (fi) 1980-01-10

Family

ID=20258804

Family Applications (1)

Application Number Title Priority Date Filing Date
FI37372A FI56457C (fi) 1971-02-12 1972-02-11 Foerfarande och anordning foer alstring av en kontinuerligt paogaoende akustisk signal med stegvis glidande tonskala

Country Status (7)

Country Link
AT (1) AT331678B (de)
CH (1) CH540546A (de)
DE (1) DE2205988C2 (de)
DK (1) DK128963B (de)
FI (1) FI56457C (de)
GB (1) GB1373836A (de)
SE (1) SE362305B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8717312D0 (en) * 1987-07-22 1987-08-26 Jerlin R R Sound generating system
DE102018117648B3 (de) * 2018-07-20 2019-08-29 Haberl Electronic Gmbh & Co. Kg Verfahren zur Verbesserung der Wahrnehmbarkeit eines Sondersignals

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR13635E (de) *
DE610647C (de) * 1930-06-26 1935-03-14 Eduard Blessing Anlage mit akustischer Signalgabe fuer den Rangierbetrieb o. dgl.
DE543890C (de) * 1930-09-02 1932-02-11 Atlas Werke Akt Ges Verfahren zum Senden von Schallsignalen
DE1134005B (de) * 1960-07-09 1962-07-26 Westfaelische Metall Ind K G Signalanlage fuer vorfahrtberechtigte Kraftfahrzeuge
DE1168298B (de) * 1962-04-25 1964-04-16 Siemens Ag Heultonsirene fuer Warnanlagen

Also Published As

Publication number Publication date
GB1373836A (en) 1974-11-13
DE2205988C2 (de) 1981-11-26
CH540546A (de) 1973-08-15
SE362305B (de) 1973-12-03
AT331678B (de) 1976-08-25
DE2205988A1 (de) 1972-08-17
FI56457B (fi) 1979-09-28
ATA111972A (de) 1975-11-15
DK128963B (da) 1974-07-29

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