GB1182210A - Improvements in and relating to Acoustic Warning Devices. - Google Patents

Improvements in and relating to Acoustic Warning Devices.

Info

Publication number: GB1182210A
Authority: GB; United Kingdom
Prior art keywords: housing; diaphragm; acoustic warning; shaped; cover
Prior art date: 1967-04-04
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

Application number

GB1105768A

Other languages

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.)

NOVI PB

Original Assignee

NOVI PB

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.)

1967-04-04

Filing date

1968-03-07

Publication date

1970-02-25

1968-03-07 Application filed by NOVI PB filed Critical NOVI PB

1970-02-25 Publication of GB1182210A publication Critical patent/GB1182210A/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
- G10K9/13—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using electromagnetic driving means

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Electromechanical Clocks (AREA)
Apparatuses For Generation Of Mechanical Vibrations (AREA)

GB1105768A 1967-04-04 1968-03-07 Improvements in and relating to Acoustic Warning Devices. Expired GB1182210A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR101394A FR1526109A (fr)	1967-04-04	1967-04-04	Avertisseur sonore

Publications (1)

Publication Number	Publication Date
GB1182210A true GB1182210A (en)	1970-02-25

Family

ID=8628113

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB1105768A Expired GB1182210A (en)	1967-04-04	1968-03-07	Improvements in and relating to Acoustic Warning Devices.

Country Status (6)

Country	Link
BE (1)	BE710559A (hu)
DE (1)	DE1766054B1 (hu)
ES (1)	ES352073A1 (hu)
FR (1)	FR1526109A (hu)
GB (1)	GB1182210A (hu)
NL (1)	NL6802838A (hu)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE492932C (de) *		1930-02-27	Westfaelische Metall Ind A G	Akustisches Signalinstrument
DE410846C (de) *	1922-10-18	1925-03-06	Jakob Kertel	Elektrische Hupe mit einer einen Luftraum einschliessenden, von einem Elektromagneten beeinflussten Doppelmembran
DE541535C (de) *	1929-05-11	1932-01-13	Weber Kranz & Co G M B H	Verfahren zur Herstellung einer hydraulisch erhaertenden UEberzugsmasse aus Zement und bitumenhaltigem Schiefer
FR1226231A (fr) *	1958-07-16	1960-07-08	Magneti Marelli Spa	Avertisseur électro-acoustique, en particulier pour véhicules automobiles

1967
- 1967-04-04 FR FR101394A patent/FR1526109A/fr not_active Expired
1968
- 1968-02-09 BE BE710559D patent/BE710559A/xx unknown
- 1968-02-29 NL NL6802838A patent/NL6802838A/xx unknown
- 1968-03-07 GB GB1105768A patent/GB1182210A/en not_active Expired
- 1968-03-16 ES ES352073A patent/ES352073A1/es not_active Expired
- 1968-03-28 DE DE19681766054 patent/DE1766054B1/de not_active Withdrawn

Also Published As

Publication number	Publication date
BE710559A (hu)	1968-06-17
NL6802838A (hu)	1968-10-07
ES352073A1 (es)	1969-06-16
DE1766054B1 (de)	1971-07-01
FR1526109A (fr)	1968-05-24

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Legal Events

Date	Code	Title	Description
1970-07-08	PS	Patent sealed
1980-10-15	PCNP	Patent ceased through non-payment of renewal fee