CH540546A - Method and device for generating an acoustic alarm signal in a gradual sliding scale - Google Patents

Method and device for generating an acoustic alarm signal in a gradual sliding scale

Info

Publication number
CH540546A
CH540546A CH200272A CH200272A CH540546A CH 540546 A CH540546 A CH 540546A CH 200272 A CH200272 A CH 200272A CH 200272 A CH200272 A CH 200272A CH 540546 A CH540546 A CH 540546A
Authority
CH
Switzerland
Prior art keywords
generating
alarm signal
sliding scale
acoustic alarm
gradual sliding
Prior art date
Application number
CH200272A
Other languages
German (de)
Inventor
Lennart Holm Bengt
Inge Moritz Mats
Original Assignee
Kockums Mekaniska Verkstads Ab
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 Mekaniska Verkstads Ab filed Critical Kockums Mekaniska Verkstads Ab
Publication of CH540546A publication Critical patent/CH540546A/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K7/00—Sirens

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Alarm Systems (AREA)
  • Push-Button Switches (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Reciprocating Pumps (AREA)
CH200272A 1971-02-12 1972-02-11 Method and device for generating an acoustic alarm signal in a gradual sliding scale CH540546A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH540546A true CH540546A (en) 1973-08-15

Family

ID=20258804

Family Applications (1)

Application Number Title Priority Date Filing Date
CH200272A CH540546A (en) 1971-02-12 1972-02-11 Method and device for generating an acoustic alarm signal in a gradual sliding scale

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3598433A1 (en) * 2018-07-20 2020-01-22 Haberl Electronic GmbH & Co. KG Method for improving the perceptibility of a special signal

Families Citing this family (1)

* 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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR13635E (en) *
DE610647C (en) * 1930-06-26 1935-03-14 Eduard Blessing System with acoustic signaling for shunting operations or the like.
DE543890C (en) * 1930-09-02 1932-02-11 Atlas Werke Akt Ges Method for sending sound signals
DE1134005B (en) * 1960-07-09 1962-07-26 Westfaelische Metall Ind K G Signal system for vehicles with right of way
DE1168298B (en) * 1962-04-25 1964-04-16 Siemens Ag Howling siren for warning systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3598433A1 (en) * 2018-07-20 2020-01-22 Haberl Electronic GmbH & Co. KG Method for improving the perceptibility of a special signal

Also Published As

Publication number Publication date
SE362305B (en) 1973-12-03
FI56457C (en) 1980-01-10
DK128963B (en) 1974-07-29
AT331678B (en) 1976-08-25
GB1373836A (en) 1974-11-13
DE2205988C2 (en) 1981-11-26
FI56457B (en) 1979-09-28
DE2205988A1 (en) 1972-08-17
ATA111972A (en) 1975-11-15

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Legal Events

Date Code Title Description
PL Patent ceased