IL120355A0 - Voice recording prevention system - Google Patents

Voice recording prevention system

Info

Publication number
IL120355A0
IL120355A0 IL12035597A IL12035597A IL120355A0 IL 120355 A0 IL120355 A0 IL 120355A0 IL 12035597 A IL12035597 A IL 12035597A IL 12035597 A IL12035597 A IL 12035597A IL 120355 A0 IL120355 A0 IL 120355A0
Authority
IL
Israel
Prior art keywords
prevention system
voice recording
recording prevention
voice
recording
Prior art date
Application number
IL12035597A
Original Assignee
Adir Daniel
Zohar Eli
Dvir Dror
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 Adir Daniel, Zohar Eli, Dvir Dror filed Critical Adir Daniel
Priority to IL12035597A priority Critical patent/IL120355A0/en
Publication of IL120355A0 publication Critical patent/IL120355A0/en
Priority to PCT/IL1998/000100 priority patent/WO1998038833A1/en
Priority to AU61128/98A priority patent/AU6112898A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • 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
    • 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
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/02—Synthesis of acoustic waves
    • 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
    • H04K3/80—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
    • 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
    • H04K3/43—Jamming having variable characteristics characterized by the control of the jamming power, signal-to-noise ratio or geographic coverage area
IL12035597A 1997-03-02 1997-03-02 Voice recording prevention system IL120355A0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IL12035597A IL120355A0 (en) 1997-03-02 1997-03-02 Voice recording prevention system
PCT/IL1998/000100 WO1998038833A1 (en) 1997-03-02 1998-03-01 Voice recording prevention system
AU61128/98A AU6112898A (en) 1997-03-02 1998-03-01 Voice recording prevention system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL12035597A IL120355A0 (en) 1997-03-02 1997-03-02 Voice recording prevention system

Publications (1)

Publication Number Publication Date
IL120355A0 true IL120355A0 (en) 1997-07-13

Family

ID=11069874

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12035597A IL120355A0 (en) 1997-03-02 1997-03-02 Voice recording prevention system

Country Status (3)

Country Link
AU (1) AU6112898A (en)
IL (1) IL120355A0 (en)
WO (1) WO1998038833A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016001716A1 (en) * 2014-07-02 2016-01-07 Armoni Hanan Method and apparatus for blocking microphones
CN105047191A (en) * 2015-03-03 2015-11-11 西北工业大学 Ultrasonic active sound attenuation anti-eavesdrop and anti-wiretapping device, and anti-eavesdrop and anti-wiretapping method using the device
CN105006232A (en) * 2015-03-03 2015-10-28 西北工业大学 Ultrasonic eavesdropping-resistant and secret-recording-resistant device and eavesdropping-resistant and secret-recording-resistant method using same
US10672416B2 (en) * 2017-10-20 2020-06-02 Board Of Trustees Of The University Of Illinois Causing microphones to detect inaudible sounds and defense against inaudible attacks
KR101909701B1 (en) * 2018-03-05 2018-10-18 한국전자통신연구원 Apparatus and method for preventing recording of electronic devices
DE102020133648A1 (en) * 2020-12-16 2022-06-23 Audi Aktiengesellschaft Procedure for securing a voice from being bugged

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1616639A (en) * 1921-06-03 1927-02-08 Western Electric Co High-frequency sound-transmission system
US1951669A (en) * 1931-07-17 1934-03-20 Ramsey George Method and apparatus for producing sound
US2461344A (en) * 1945-01-29 1949-02-08 Rca Corp Signal transmission and receiving apparatus
US3398810A (en) * 1967-05-24 1968-08-27 William T. Clark Locally audible sound system

Also Published As

Publication number Publication date
AU6112898A (en) 1998-09-18
WO1998038833A1 (en) 1998-09-03

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