GB8332470D0 - Electronics siren - Google Patents

Electronics siren

Info

Publication number: GB8332470D0
Authority: GB; United Kingdom
Prior art keywords: siren; electronics; electronics siren
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.): Granted

Application number

GB838332470A

Other versions

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

1983-12-06

Publication date

1984-01-11

1983-12-06 Application filed by Kobishi Electric Co Ltd filed Critical Kobishi Electric Co Ltd

1984-01-11 Publication of GB8332470D0 publication Critical patent/GB8332470D0/en

1985-04-03 Publication of GB2145905A publication Critical patent/GB2145905A/en

1987-05-07 Application granted granted Critical

1987-05-07 Publication of GB2145905B publication Critical patent/GB2145905B/en

Status Expired 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)

GB08332470A 1983-08-31 1983-12-06 Audible warning device Expired GB2145905B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number	Publication Date
GB8332470D0 true GB8332470D0 (en)	1984-01-11
GB2145905A GB2145905A (en)	1985-04-03
GB2145905B GB2145905B (en)	1987-05-07

Family

ID=24104269

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08332470A Expired GB2145905B (en)	1983-08-31	1983-12-06	Audible warning device

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
US11308930B2 (en) *	2017-11-09	2022-04-19	Imasen Electric Industrial Co., Ltd.	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
IT8324274A0 (en)	1983-12-20
GB2145905A (en)	1985-04-03
FR2551573B1 (en)	1990-08-31
FR2551573A1 (en)	1985-03-08
IT1169495B (en)	1987-05-27
JPS6052200A (en)	1985-03-25
GB2145905B (en)	1987-05-07

Publication	Publication Date	Title
GB8409968D0 (en)	1984-05-31	Signal receptor-reradiator component
GR80846B (en)	1985-03-04	Substituted i-amino-4-nitro-acridinones
GB8414912D0 (en)	1984-07-18	Substituted metaaminophenols
PT78435A (en)	1984-05-01	Substituted indeno-pyridazinones
GB8428971D0 (en)	1984-12-27	Generate different figures
DE3375673D1 (en)	1988-03-17	Alarm unit
GB8400173D0 (en)	1984-02-08	Substituted 4-amino-3-nitrophenols
GB8411504D0 (en)	1984-06-13	Electronic warning apparatus
GB8329581D0 (en)	1983-12-07	Driver/preamplifier circuit
ZA848242B (en)	1985-07-31	An antitheft device
GB8419621D0 (en)	1984-09-05	Pokehole unit
GB8332470D0 (en)	1984-01-11	Electronics siren
GB8413741D0 (en)	1984-07-04	Substituted acylipiperazinoquinazoles
GB8419029D0 (en)	1984-08-30	Baccam unit
GB2144121B (en)	1987-04-08	Substituted 3-hydrazinopropionates
IL71283A (en)	1991-03-10	Siren
GB8423333D0 (en)	1984-10-17	Alarm apparatus
ZA845627B (en)	1985-03-27	Substituted furazans
GB8316611D0 (en)	1983-07-20	Mounting
GB8411766D0 (en)	1984-06-13	Alarm means
IL83404A0 (en)	1988-01-31	Improved siren
GB2138467B (en)	1986-07-16	Front-end-coal-winning unit
GB8418072D0 (en)	1984-08-22	Alarm
ZA847986B (en)	1985-06-26	Substituted 5-acylamino-1-phenylpyrazoles
KR840001620Y1 (en)	1984-08-30	Electronic timepiees

Legal Events

Date	Code	Title	Description
1998-07-29	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19971206