GB9706971D0 - Sounders - Google Patents

Sounders

Info

Publication number
GB9706971D0
GB9706971D0 GBGB9706971.0A GB9706971A GB9706971D0 GB 9706971 D0 GB9706971 D0 GB 9706971D0 GB 9706971 A GB9706971 A GB 9706971A GB 9706971 D0 GB9706971 D0 GB 9706971D0
Authority
GB
United Kingdom
Prior art keywords
sounders
Prior art date
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.)
Withdrawn
Application number
GBGB9706971.0A
Other versions
GB2323999A (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9706971A priority Critical patent/GB2323999A/en
Publication of GB9706971D0 publication Critical patent/GB9706971D0/en
Publication of GB2323999A publication Critical patent/GB2323999A/en
Withdrawn legal-status Critical Current

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
    • 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
GB9706971A 1997-04-05 1997-04-05 Variable volume enclosure for a sounder Withdrawn GB2323999A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9706971A GB2323999A (en) 1997-04-05 1997-04-05 Variable volume enclosure for a sounder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9706971A GB2323999A (en) 1997-04-05 1997-04-05 Variable volume enclosure for a sounder

Publications (2)

Publication Number Publication Date
GB9706971D0 true GB9706971D0 (en) 1997-05-21
GB2323999A GB2323999A (en) 1998-10-07

Family

ID=10810374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9706971A Withdrawn GB2323999A (en) 1997-04-05 1997-04-05 Variable volume enclosure for a sounder

Country Status (1)

Country Link
GB (1) GB2323999A (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR666804A (en) * 1928-04-28 1929-10-07 Improvements to sound reproduction devices, such as telephone loudspeakers
US4164988A (en) * 1976-08-25 1979-08-21 Admiral Corporation Fine tuned, column speaker system
JPS6134516Y2 (en) * 1979-11-09 1986-10-07
US4889208A (en) * 1987-02-23 1989-12-26 Katsutoshi Sugihara Speaker enclosures

Also Published As

Publication number Publication date
GB2323999A (en) 1998-10-07

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)