ZA841285B - Siren - Google Patents

Siren

Info

Publication number
ZA841285B
ZA841285B ZA841285A ZA841285A ZA841285B ZA 841285 B ZA841285 B ZA 841285B ZA 841285 A ZA841285 A ZA 841285A ZA 841285 A ZA841285 A ZA 841285A ZA 841285 B ZA841285 B ZA 841285B
Authority
ZA
South Africa
Prior art keywords
siren
Prior art date
Application number
ZA841285A
Other languages
English (en)
Inventor
John Glenn Powell
Original Assignee
Southern California Edison Co
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 Southern California Edison Co filed Critical Southern California Edison Co
Publication of ZA841285B publication Critical patent/ZA841285B/xx

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
    • 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
    • G10K7/06—Sirens in which the sound-producing member is driven by a fluid, e.g. by a compressed gas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Glass Compositions (AREA)
  • Inorganic Insulating Materials (AREA)
  • Motor Or Generator Cooling System (AREA)
ZA841285A 1983-03-31 1984-02-22 Siren ZA841285B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/480,851 US4558656A (en) 1983-03-31 1983-03-31 Siren

Publications (1)

Publication Number Publication Date
ZA841285B true ZA841285B (en) 1984-12-24

Family

ID=23909600

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA841285A ZA841285B (en) 1983-03-31 1984-02-22 Siren

Country Status (11)

Country Link
US (1) US4558656A (fr)
EP (1) EP0121319A3 (fr)
JP (1) JPS59206899A (fr)
KR (1) KR840008193A (fr)
AU (1) AU564057B2 (fr)
CA (1) CA1221257A (fr)
DK (1) DK102584A (fr)
ES (3) ES8600545A1 (fr)
IL (1) IL71283A (fr)
NO (1) NO159324C (fr)
ZA (1) ZA841285B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4807203A (en) * 1983-03-31 1989-02-21 Southern California Edison Co. Siren
YU42629B (en) * 1983-10-11 1988-10-31 Iskra Electric warning siren
US4847590A (en) * 1988-04-26 1989-07-11 Federal Signal Corporation Outdoor warning siren
CN110047457A (zh) * 2018-05-29 2019-07-23 杭州俊士铁路设备有限公司 小火车汽笛

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB134634A (fr) *
FR438023A (fr) * 1911-03-04 1912-05-06 Rene Varret Sirène à plusieurs sons produits par un seul organe mobile
DE322280C (de) * 1915-05-21 1920-06-25 Signal Ges M B H Einrichtung zur Erzeugung gerichteter Schallwellen unter Verwendung eines nach dem Sirenenprinzip arbeitenden Senders
FR493927A (fr) * 1917-12-14 1919-08-26 Emile Bossong Sirène double
NL41390C (fr) * 1927-06-13
GB337089A (en) * 1929-08-08 1930-10-30 John Colin Maciver Improvements in means for generating sound waves especially applicable for use in navigational signalling and for submarine intercommunication between ships or shore stations
US2114654A (en) * 1933-04-10 1938-04-19 Ekman Olof Ingemar Harald Siren
US2130716A (en) * 1934-03-21 1938-09-20 Ekman Olof Ingemar Harald Siren
DE679749C (de) * 1934-12-23 1939-08-12 Mix & Genest Akt Ges Sirene
US2153500A (en) * 1936-03-18 1939-04-04 Carl H Fowler Sound device
US2262948A (en) * 1940-12-09 1941-11-18 Charles W Long Automatic damper
US2371657A (en) * 1943-12-30 1945-03-20 Parker Appliance Co Valve assembly
US2462862A (en) * 1944-04-01 1949-03-01 Albert L Guthner Siren
US2528515A (en) * 1946-01-04 1950-11-07 Specialties Dev Corp Siren
US2514129A (en) * 1947-10-08 1950-07-04 Ultrasonic Corp Apparatus for generating sound waves
US2534833A (en) * 1948-09-08 1950-12-19 Ultrasonic Corp Sound generator
FR1111527A (fr) * 1954-03-02 1956-03-01 Centre Nat Rech Scient Perfectionnements aux appareils producteurs de sons et d'ultrd sons de grande puissance
GB849452A (en) * 1955-12-16 1960-09-28 Jean Maurice Blanchard Siren
US3060675A (en) * 1958-08-19 1962-10-30 Hamilton Watch Co Contact mechanism
US3103941A (en) * 1960-03-25 1963-09-17 Bolt Beranck And Newman Inc Method of and apparatus for controlling fluid flow
US3085809A (en) * 1960-04-14 1963-04-16 Gen Electric Labyrinth seal
US3062555A (en) * 1960-05-11 1962-11-06 Hydromatics Inc Packed joint
GB1154020A (en) * 1965-09-08 1969-06-04 Michalis Vios The Ultrasonic Siren Applied on Seagoing Ships for Defogging the Ranges of Vision
DE1268525B (de) * 1966-11-16 1968-05-16 Kloeckner Humboldt Deutz Ag Luftschutzsirenenaggregat
US3547455A (en) * 1969-05-02 1970-12-15 Gen Electric Rotary seal including organic abradable material
DE2262948C3 (de) * 1972-12-22 1978-10-12 Karl 8000 Muenchen Kolar Preßluftsirene
GB1548487A (en) * 1977-06-30 1979-07-18 Varlamov V M Device for producing acoustic vibration in flowing liquid or gaseous medium
US4138673A (en) * 1977-10-11 1979-02-06 A B C Auto Alarms, Inc. Small siren having protective screen

Also Published As

Publication number Publication date
ES530159A0 (es) 1985-10-01
NO840766L (no) 1984-10-01
AU564057B2 (en) 1987-07-30
DK102584A (da) 1984-10-01
DK102584D0 (da) 1984-02-24
IL71283A0 (en) 1984-06-29
JPS59206899A (ja) 1984-11-22
NO159324C (no) 1988-12-14
AU2605184A (en) 1984-10-04
KR840008193A (ko) 1984-12-13
US4558656A (en) 1985-12-17
CA1221257A (fr) 1987-05-05
ES8604363A1 (es) 1986-01-16
IL71283A (en) 1991-03-10
EP0121319A3 (fr) 1987-03-18
EP0121319A2 (fr) 1984-10-10
ES538931A0 (es) 1986-04-01
NO159324B (no) 1988-09-05
ES538932A0 (es) 1986-01-16
ES8606703A1 (es) 1986-04-01
ES8600545A1 (es) 1985-10-01

Similar Documents

Publication Publication Date Title
AR242392A1 (es) Procedimiento para preparar derivados del acido 7beta-(carboxialquenoilamino)-(1-o,1-5 o 1-50)-3 cefem-4- carboxilico, y los intermediarios de aplicacion exclusiva en dicho procedimiento.
GR80846B (en) Substituted i-amino-4-nitro-acridinones
PT78435A (en) Substituted indeno-pyridazinones
GB8414912D0 (en) Substituted metaaminophenols
GB8400173D0 (en) Substituted 4-amino-3-nitrophenols
GB8429022D0 (en) Mostening means
AR240937A2 (en) Benzoquinolizines
GB8413741D0 (en) Substituted acylipiperazinoquinazoles
GB2144121B (en) Substituted 3-hydrazinopropionates
GB8332470D0 (en) Electronics siren
IL71283A (en) Siren
AR242214A1 (es) Procedimiento para la preparacion de nuevos compuestos de tiazolo y tiazino ¡3,2-a¿bencimidazol
ZA845627B (en) Substituted furazans
GB8411766D0 (en) Alarm means
IL83404A0 (en) Improved siren
GB8418072D0 (en) Alarm
ZA847986B (en) Substituted 5-acylamino-1-phenylpyrazoles
CS674983A1 (en) Sposob pripravy d arabinozy oxidacnym odburanim d glukonatu vapenateho
GB8300763D0 (en) General purpose alarm
GB8311419D0 (en) Alarm
GB8320771D0 (en) Alarm
AU89353S (en) Alarm
GB8301355D0 (en) Alarm lifebelt
GB8311267D0 (en) Alarm
GB8303456D0 (en) Alarm