GB9618241D0 - Personal alarm - Google Patents

Personal alarm

Info

Publication number
GB9618241D0
GB9618241D0 GBGB9618241.5A GB9618241A GB9618241D0 GB 9618241 D0 GB9618241 D0 GB 9618241D0 GB 9618241 A GB9618241 A GB 9618241A GB 9618241 D0 GB9618241 D0 GB 9618241D0
Authority
GB
United Kingdom
Prior art keywords
personal alarm
alarm
personal
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Withdrawn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
GBGB9618241.5A
Other versions
GB2316784A (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.)
ARMALARMS Ltd
Original Assignee
ARMALARMS 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.)
Filing date
Publication date
Application filed by ARMALARMS Ltd filed Critical ARMALARMS Ltd
Priority to GB9618241A priority Critical patent/GB2316784A/en
Publication of GB9618241D0 publication Critical patent/GB9618241D0/en
Publication of GB2316784A publication Critical patent/GB2316784A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/0297—Robbery alarms, e.g. hold-up alarms, bag snatching alarms
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/02—Constructional details
    • 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
    • G10K11/04—Acoustic filters ; Acoustic resonators
    • 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
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22—Mountings; Casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electromechanical Clocks (AREA)
GB9618241A 1996-08-30 1996-08-30 Acoustic alarm employing a resonant cavity arrangement Withdrawn GB2316784A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9618241A GB2316784A (en) 1996-08-30 1996-08-30 Acoustic alarm employing a resonant cavity arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9618241A GB2316784A (en) 1996-08-30 1996-08-30 Acoustic alarm employing a resonant cavity arrangement

Publications (2)

Publication Number Publication Date
GB9618241D0 true GB9618241D0 (en) 1996-10-09
GB2316784A GB2316784A (en) 1998-03-04

Family

ID=10799248

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9618241A Withdrawn GB2316784A (en) 1996-08-30 1996-08-30 Acoustic alarm employing a resonant cavity arrangement

Country Status (1)

Country Link
GB (1) GB2316784A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106354002A (en) * 2016-11-11 2017-01-25 北海和思科技有限公司 Safe video call children watch

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2777095A1 (en) * 1998-04-02 1999-10-08 Christophe Claret Sa Watch with much louder audible alarms and time periods
NL1016912C2 (en) 2000-12-19 2002-06-21 Eric Alexander Schmets Alarm device for divers.
GB2393301A (en) * 2002-09-17 2004-03-24 Nigel Jonathan Davies Personal defence system
GB2393551A (en) * 2002-09-30 2004-03-31 John Peter Melling Personal alarm device
US20050249049A1 (en) * 2004-03-02 2005-11-10 Keith Jarrett Personal safety device
GB2423595A (en) * 2005-02-25 2006-08-30 Brian Towner Wristwatch incorporating a personal security alarm
GB2486728A (en) * 2010-12-24 2012-06-27 Techwall Electronics Company Ltd Personal safety alarm
CN102385786B (en) * 2011-07-08 2014-07-02 沈磊 Anti-removing wrist strap
GB2542606A (en) * 2015-09-25 2017-03-29 Run Angel Ltd Personal protection device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409588A (en) * 1981-03-10 1983-10-11 Pickering & Company, Inc. Miniature sounder with multi-part tuned cavities
JPS5890698A (en) * 1981-11-25 1983-05-30 松下電器産業株式会社 Pronunciation apparatus
US5258746A (en) * 1991-12-03 1993-11-02 K & B Protection, Inc. Manually actuatable wrist alarm having a high-intensity sonic alarm signal
GB2267374B (en) * 1992-05-28 1996-02-07 Julie Anne Greenwood Personal attack/help alarm
GB9401179D0 (en) * 1994-01-21 1994-03-16 Futuristic Technologies Limite Personal attack alarm
GB2295910A (en) * 1994-12-06 1996-06-12 Telko Inc Personal alarm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106354002A (en) * 2016-11-11 2017-01-25 北海和思科技有限公司 Safe video call children watch

Also Published As

Publication number Publication date
GB2316784A (en) 1998-03-04

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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)