CH612285A5 - - Google Patents
Info
- Publication number
- CH612285A5 CH612285A5 CH1022276A CH1022276A CH612285A5 CH 612285 A5 CH612285 A5 CH 612285A5 CH 1022276 A CH1022276 A CH 1022276A CH 1022276 A CH1022276 A CH 1022276A CH 612285 A5 CH612285 A5 CH 612285A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
- H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K2203/00—Jamming of communication; Countermeasures
- H04K2203/10—Jamming or countermeasure used for a particular application
- H04K2203/12—Jamming or countermeasure used for a particular application for acoustic communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/43—Jamming having variable characteristics characterized by the control of the jamming power, signal-to-noise ratio or geographic coverage area
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/614,917 US4052564A (en) | 1975-09-19 | 1975-09-19 | Masking sound generator |
Publications (1)
Publication Number | Publication Date |
---|---|
CH612285A5 true CH612285A5 (sr) | 1979-07-13 |
Family
ID=24463252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1022276A CH612285A5 (sr) | 1975-09-19 | 1976-08-11 |
Country Status (9)
Country | Link |
---|---|
US (1) | US4052564A (sr) |
BE (1) | BE846313A (sr) |
CA (1) | CA1047291A (sr) |
CH (1) | CH612285A5 (sr) |
DE (1) | DE2637872A1 (sr) |
FR (1) | FR2325135A1 (sr) |
GB (1) | GB1516016A (sr) |
IT (1) | IT1073888B (sr) |
NL (1) | NL7608716A (sr) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4280019A (en) * | 1977-12-06 | 1981-07-21 | Herman Miller, Inc. | Combination acoustic conditioner and light fixture |
US4219101A (en) * | 1978-06-12 | 1980-08-26 | Conwed Corporation | Acoustic space divider |
US4319088A (en) * | 1979-11-01 | 1982-03-09 | Commercial Interiors, Inc. | Method and apparatus for masking sound |
US4476572A (en) * | 1981-09-18 | 1984-10-09 | Bolt Beranek And Newman Inc. | Partition system for open plan office spaces |
US4475226A (en) * | 1983-10-21 | 1984-10-02 | Donald Blechman | Stereo sound and light track system |
US4589138A (en) * | 1985-04-22 | 1986-05-13 | Axlon, Incorporated | Method and apparatus for voice emulation |
US4674124A (en) * | 1985-06-06 | 1987-06-16 | Bolt Beranek And Newman Inc. | Multichannel masking sound generator |
DE3611214C1 (de) * | 1986-04-04 | 1986-12-11 | Flachglas AG, 8510 Fürth | Gegen Abhoeren von aussen gesicherte Verglasung |
US4761921A (en) * | 1987-01-16 | 1988-08-09 | Nelson Philip H | Sound-masking system for core modules used in an office |
US6292476B1 (en) | 1997-04-16 | 2001-09-18 | Qualcomm Inc. | Method and apparatus for providing variable rate data in a communications system using non-orthogonal overflow channels |
US6888945B2 (en) | 1998-03-11 | 2005-05-03 | Acentech, Inc. | Personal sound masking system |
US6164408A (en) * | 1999-03-10 | 2000-12-26 | Atlas Sound | Plenum mounted, flat panel masking loudspeaker system and method for mounting a masking loudspeaker in a ceiling plenum |
CA2464731C (en) * | 2001-10-24 | 2009-02-10 | Acentech, Inc. | Sound masking system |
US20030219133A1 (en) | 2001-10-24 | 2003-11-27 | Acentech, Inc. | Sound masking system |
US7548854B2 (en) * | 2002-01-31 | 2009-06-16 | Awi Licensing Company | Architectural sound enhancement with pre-filtered masking sound |
US7143028B2 (en) * | 2002-07-24 | 2006-11-28 | Applied Minds, Inc. | Method and system for masking speech |
US7163263B1 (en) | 2002-07-25 | 2007-01-16 | Herman Miller, Inc. | Office components, seating structures, methods of using seating structures, and systems of seating structures |
CA2471674A1 (en) * | 2004-06-21 | 2005-12-21 | Soft Db Inc. | Auto-adjusting sound masking system and method |
US20060000671A1 (en) * | 2004-06-30 | 2006-01-05 | Nathan Nolley | Adjustable acoustic wings |
CN101641968B (zh) | 2007-03-07 | 2015-01-21 | Gn瑞声达A/S | 用于缓解耳鸣的声音富集 |
DE102007000608A1 (de) * | 2007-10-31 | 2009-05-07 | Silencesolutions Gmbh | Maskierung für Schall |
US8577711B2 (en) | 2008-01-25 | 2013-11-05 | Herman Miller, Inc. | Occupancy analysis |
WO2009155686A1 (en) * | 2008-06-27 | 2009-12-30 | Soft Db Inc. | Sound-masking system and method using vibration exciter |
US8532987B2 (en) * | 2010-08-24 | 2013-09-10 | Lawrence Livermore National Security, Llc | Speech masking and cancelling and voice obscuration |
US10165372B2 (en) * | 2012-06-26 | 2018-12-25 | Gn Hearing A/S | Sound system for tinnitus relief |
CN108353219A (zh) * | 2015-09-16 | 2018-07-31 | 夜莺智能解决方案公司 | 无线发声装置、以及用于远程地控制发声装置的系统 |
US10019977B2 (en) * | 2016-06-30 | 2018-07-10 | 777388 Ontario Limited | Apparatus and method for mounting a sound masking device in a hotel room |
US11017757B2 (en) * | 2016-06-30 | 2021-05-25 | 777388 Ontario Limited | Apparatus and method for mounting a sound masking device in a hotel room |
USD880453S1 (en) | 2018-07-25 | 2020-04-07 | Dolby Laboratories Licensing Corporation | Speaker |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3026955A (en) * | 1956-08-23 | 1962-03-27 | Howard L Wilber | Spherical loudspeaker enclosure |
US3213199A (en) * | 1962-01-02 | 1965-10-19 | Bissett Berman Corp | System for masking information |
FR1424316A (fr) * | 1965-02-11 | 1966-01-07 | Elof Hansson | Installation de production de masque sonore |
US3371742A (en) * | 1965-10-21 | 1968-03-05 | Desmond H. Norton | Speaker enclosure |
US3476880A (en) * | 1966-09-30 | 1969-11-04 | Bell Telephone Labor Inc | Transmitting system |
US3541258A (en) * | 1967-05-29 | 1970-11-17 | Sylvania Electric Prod | Conference communication system with independent variable amplification of sidetone and conferee signals |
US3567863A (en) * | 1967-08-25 | 1971-03-02 | Thomas G Morrissey | Method of sonic conditioning |
US3486578A (en) * | 1967-12-21 | 1969-12-30 | Lawrence Albarino | Electro-mechanical reproduction of sound |
US3497623A (en) * | 1968-08-07 | 1970-02-24 | Barry S Todd | Secure personal conversation using time blanked noise generator |
US3879578A (en) * | 1973-06-18 | 1975-04-22 | Theodore Wildi | Sound masking method and system |
-
1975
- 1975-09-19 US US05/614,917 patent/US4052564A/en not_active Expired - Lifetime
-
1976
- 1976-07-27 CA CA257,911A patent/CA1047291A/en not_active Expired
- 1976-08-05 NL NL7608716A patent/NL7608716A/xx not_active Application Discontinuation
- 1976-08-11 CH CH1022276A patent/CH612285A5/xx not_active IP Right Cessation
- 1976-08-23 DE DE19762637872 patent/DE2637872A1/de not_active Withdrawn
- 1976-08-26 FR FR7625856A patent/FR2325135A1/fr active Pending
- 1976-09-14 GB GB38021/76A patent/GB1516016A/en not_active Expired
- 1976-09-17 IT IT51326/76A patent/IT1073888B/it active
- 1976-09-17 BE BE170709A patent/BE846313A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2325135A1 (fr) | 1977-04-15 |
GB1516016A (en) | 1978-06-28 |
IT1073888B (it) | 1985-04-17 |
BE846313A (fr) | 1977-01-17 |
DE2637872A1 (de) | 1977-03-24 |
CA1047291A (en) | 1979-01-30 |
NL7608716A (nl) | 1977-03-22 |
US4052564A (en) | 1977-10-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |