GB2368958B - Method of crowd control - Google Patents

Method of crowd control

Info

Publication number
GB2368958B
GB2368958B GB0030815A GB0030815A GB2368958B GB 2368958 B GB2368958 B GB 2368958B GB 0030815 A GB0030815 A GB 0030815A GB 0030815 A GB0030815 A GB 0030815A GB 2368958 B GB2368958 B GB 2368958B
Authority
GB
United Kingdom
Prior art keywords
crowd control
crowd
control
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.)
Expired - Fee Related
Application number
GB0030815A
Other versions
GB2368958A (en
GB0030815D0 (en
Inventor
Robert Mcrobb Calder
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
Publication of GB0030815D0 publication Critical patent/GB0030815D0/en
Publication of GB2368958A publication Critical patent/GB2368958A/en
Application granted granted Critical
Publication of GB2368958B publication Critical patent/GB2368958B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/1752—Masking
    • G10K11/1754—Speech masking

Landscapes

  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB0030815A 2000-11-14 2000-12-18 Method of crowd control Expired - Fee Related GB2368958B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0027830.9A GB0027830D0 (en) 2000-11-14 2000-11-14 Anti social behaviour

Publications (3)

Publication Number Publication Date
GB0030815D0 GB0030815D0 (en) 2001-01-31
GB2368958A GB2368958A (en) 2002-05-15
GB2368958B true GB2368958B (en) 2004-10-13

Family

ID=9903188

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0027830.9A Ceased GB0027830D0 (en) 2000-11-14 2000-11-14 Anti social behaviour
GB0030815A Expired - Fee Related GB2368958B (en) 2000-11-14 2000-12-18 Method of crowd control

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0027830.9A Ceased GB0027830D0 (en) 2000-11-14 2000-11-14 Anti social behaviour

Country Status (1)

Country Link
GB (2) GB0027830D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1638078A1 (en) * 2004-09-15 2006-03-22 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Method and means for counteracting undesired sound utterances of a group

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879578A (en) * 1973-06-18 1975-04-22 Theodore Wildi Sound masking method and system
US4185167A (en) * 1976-06-28 1980-01-22 Acoustical Design Incorporated Sound masking package
US4319088A (en) * 1979-11-01 1982-03-09 Commercial Interiors, Inc. Method and apparatus for masking sound
US5369440A (en) * 1992-11-19 1994-11-29 Sussman; Barry System and method for automatically controlling the audio output of a television
WO1999046958A1 (en) * 1998-03-11 1999-09-16 Acentech, Inc. Personal sound masking system
WO2000005709A1 (en) * 1998-07-23 2000-02-03 Siemens Aktiengesellschaft Method and device for recognizing predetermined key words in spoken language

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879578A (en) * 1973-06-18 1975-04-22 Theodore Wildi Sound masking method and system
US4185167A (en) * 1976-06-28 1980-01-22 Acoustical Design Incorporated Sound masking package
US4185167B1 (en) * 1976-06-28 1990-06-05 Acoustical Design Inc
US4319088A (en) * 1979-11-01 1982-03-09 Commercial Interiors, Inc. Method and apparatus for masking sound
US5369440A (en) * 1992-11-19 1994-11-29 Sussman; Barry System and method for automatically controlling the audio output of a television
WO1999046958A1 (en) * 1998-03-11 1999-09-16 Acentech, Inc. Personal sound masking system
WO2000005709A1 (en) * 1998-07-23 2000-02-03 Siemens Aktiengesellschaft Method and device for recognizing predetermined key words in spoken language

Also Published As

Publication number Publication date
GB2368958A (en) 2002-05-15
GB0027830D0 (en) 2000-12-27
GB0030815D0 (en) 2001-01-31

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20151218