FR2551573B1 - ELECTRONIC SIREN - Google Patents

ELECTRONIC SIREN

Info

Publication number: FR2551573B1
Authority: FR; France
Prior art keywords: electronic siren; siren; electronic
Prior art date: 1983-08-31
Legal status (The legal status 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 status listed.): Expired - Lifetime

Application number

FR848403087A

Other languages

French (fr)

Other versions

FR2551573A1 (en

Inventor

Yoshinobu Ishikawa

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Kobishi Electric Co Ltd

Original Assignee

Kobishi Electric Co Ltd

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.)

1983-08-31

Filing date

1984-02-24

Publication date

1990-08-31

1984-02-24 Application filed by Kobishi Electric Co Ltd filed Critical Kobishi Electric Co Ltd

1985-03-08 Publication of FR2551573A1 publication Critical patent/FR2551573A1/en

1990-08-31 Application granted granted Critical

1990-08-31 Publication of FR2551573B1 publication Critical patent/FR2551573B1/en

2004-02-24 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
- 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
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Piezo-Electric Transducers For Audible Bands (AREA)
Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

FR848403087A 1983-08-31 1984-02-24 ELECTRONIC SIREN Expired - Lifetime FR2551573B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US52810183A	1983-08-31	1983-08-31

Publications (2)

Publication Number	Publication Date
FR2551573A1 FR2551573A1 (en)	1985-03-08
FR2551573B1 true FR2551573B1 (en)	1990-08-31

Family

ID=24104269

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR848403087A Expired - Lifetime FR2551573B1 (en)	1983-08-31	1984-02-24	ELECTRONIC SIREN

Country Status (4)

Country	Link
JP (1)	JPS6052200A (en)
FR (1)	FR2551573B1 (en)
GB (1)	GB2145905B (en)
IT (1)	IT1169495B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH672386A5 (en) *	1986-11-03	1989-11-15	Olten Ag Elektro Apparatebau
US4982436A (en) *	1988-12-05	1991-01-01	Gai-Tronics	Dual horn folded soundpath loudspeaker
US4963855A (en) *	1990-02-21	1990-10-16	Kobishi Electric Co., Inc. Ltd.	Warning sound generating device
GB2354903B (en) *	1997-02-22	2001-05-16	Fulleon Ltd	Piezoelectric sounder
WO2019092828A1 (en) *	2017-11-09	2019-05-16	株式会社今仙電機製作所	Electronic horn

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2102668A (en) *	1933-06-14	1937-12-21	Rca Corp	Piezoelectric loudspeaker
GB566398A (en) *	1943-06-21	1944-12-28	Guy R Fountain Ltd	Improvements in or relating to loud speakers and loud speaker horns
US3721840A (en) *	1971-09-14	1973-03-20	Nittan Co Ltd	Sound generator
US3890612A (en) *	1973-09-28	1975-06-17	Mallory & Co Inc P R	High output audible alarm device utilizing a piezoelectric transducer
JPS5118193A (en) *	1974-04-17	1976-02-13	Tetsuya Sato	KOSHODATSUSHUTSUYOHINANGU
JPS5123439A (en) *	1974-08-22	1976-02-25	Nippon Steel Corp	Kotakumetsukiitano seizohoho
US4260928A (en) *	1978-11-09	1981-04-07	General Electric Company	Electro-acoustic transducer with horn and reflector
US4310833A (en) *	1980-01-15	1982-01-12	Kobishi America, Inc.	Electrically-energized horn
JPS5910868Y2 (en) *	1980-04-08	1984-04-04	伊吹工業株式会社	Cold-resistant reflex horn speaker
JPS57136897A (en) *	1981-02-18	1982-08-24	Ibuki Kogyo Kk	Horn speaker

1983
- 1983-12-06 GB GB08332470A patent/GB2145905B/en not_active Expired
- 1983-12-15 JP JP58237162A patent/JPS6052200A/en active Pending
- 1983-12-20 IT IT24274/83A patent/IT1169495B/en active
1984
- 1984-02-24 FR FR848403087A patent/FR2551573B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPS6052200A (en)	1985-03-25
IT8324274A0 (en)	1983-12-20
GB8332470D0 (en)	1984-01-11
GB2145905A (en)	1985-04-03
FR2551573A1 (en)	1985-03-08
GB2145905B (en)	1987-05-07
IT1169495B (en)	1987-05-27

Publication	Publication Date	Title
KR850009741U (en)	1985-12-05	Case for electronic devices
KR850009742U (en)	1985-12-05	Case for electronic devices
FR2547093B1 (en)	1986-01-24	ELECTRONIC MUSICAL SET
FR2547074B1 (en)	1986-11-14	ELECTRONIC TIMER
FR2501377B1 (en)	1986-04-25	ELECTRONIC WATTHEMETER
FR2550625B1 (en)	1986-12-12	ELECTRONIC MEDICAL THERMOMETER
KR850700100A (en)	1985-10-21	Electronic circuit assembly
FR2551573B1 (en)	1990-08-31	ELECTRONIC SIREN
DK4383D0 (en)	1983-01-07	oscillator circuit
FR2638521B1 (en)	1993-04-30	ELECTRONIC LIMNIGRAPH
DK102584A (en)	1984-10-01	SIREN
DK77384A (en)	1984-11-10	ELECTRONIC INSTALL SWITCH
FR2564196B1 (en)	1988-12-02	ELECTRONIC SCALE
FR2544094B1 (en)	1985-08-02	ELECTRONIC PEN
RO85632A2 (en)	1984-10-31	ELECTRONIC PYROMETER
RO82218A2 (en)	1983-07-07	ELECTRONIC HUMIDMETER
KR850002859U (en)	1985-05-30	Alarm circuit
BR6300084U (en)	1984-02-28	ELECTRONIC ELECTRONIC HORN
BR6300508U (en)	1984-12-04	ELECTRONIC MINUTERY
SE8301164D0 (en)	1983-03-03	ELECTRONIC ATTIRALS
FI832189A0 (en)	1983-06-16	ELECTRONIC UPPVINSCHNINGSMEKANISM FOER BOGSER AV HAENGGLIDARE
BR8307239A (en)	1985-08-06	ELECTRONIC ORGAN
KR850003481U (en)	1985-06-17	Electrostatic alarm circuit
IT1174997B (en)	1987-07-01	ELECTRONIC KEY
FR2547668B1 (en)	1985-11-22	ELECTRONIC HOUR METER

Legal Events

Date	Code	Title	Description
1998-12-04	ST	Notification of lapse