JPS59127442A - 音声信号の秘話方式 - Google Patents

音声信号の秘話方式

Info

Publication number
JPS59127442A
JPS59127442A JP58002481A JP248183A JPS59127442A JP S59127442 A JPS59127442 A JP S59127442A JP 58002481 A JP58002481 A JP 58002481A JP 248183 A JP248183 A JP 248183A JP S59127442 A JPS59127442 A JP S59127442A
Authority
JP
Japan
Prior art keywords
signal
time
marker
segment
memory
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.)
Granted
Application number
JP58002481A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0462213B2 (enExample
Inventor
Akira Sakamoto
明 坂本
Takeshi Fukami
深海　武
Takehiro Sugita
武弘 杉田
Masakatsu Toyoshima
豊島　雅勝
Toshihiko Waku
俊彦 和久
Michimasa Komatsubara
小松原　道正
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP58002481A priority Critical patent/JPS59127442A/ja
Priority to AU22429/83A priority patent/AU2242983A/en
Priority to CA000444134A priority patent/CA1216633A/en
Priority to US06/566,899 priority patent/US4683586A/en
Priority to EP84300113A priority patent/EP0116402A3/en
Publication of JPS59127442A publication Critical patent/JPS59127442A/ja
Publication of JPH0462213B2 publication Critical patent/JPH0462213B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/06—Secret communication by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP58002481A 1983-01-11 1983-01-11 音声信号の秘話方式 Granted JPS59127442A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58002481A JPS59127442A (ja) 1983-01-11 1983-01-11 音声信号の秘話方式
AU22429/83A AU2242983A (en) 1983-01-11 1983-12-15 Scrambling system for audio signals
CA000444134A CA1216633A (en) 1983-01-11 1983-12-22 Scrambling system for an audio frequency signal
US06/566,899 US4683586A (en) 1983-01-11 1983-12-29 Scrambling system for an audio frequency signal
EP84300113A EP0116402A3 (en) 1983-01-11 1984-01-09 Scrambling systems for audio frequency signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58002481A JPS59127442A (ja) 1983-01-11 1983-01-11 音声信号の秘話方式

Publications (2)

Publication Number Publication Date
JPS59127442A true JPS59127442A (ja) 1984-07-23
JPH0462213B2 JPH0462213B2 (enExample) 1992-10-05

Family

ID=11530532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58002481A Granted JPS59127442A (ja) 1983-01-11 1983-01-11 音声信号の秘話方式

Country Status (5)

Country Link
US (1) US4683586A (enExample)
EP (1) EP0116402A3 (enExample)
JP (1) JPS59127442A (enExample)
AU (1) AU2242983A (enExample)
CA (1) CA1216633A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63124639A (ja) * 1986-11-13 1988-05-28 Sanyo Electric Co Ltd 秘話通信装置の同期回路

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937867A (en) * 1987-03-27 1990-06-26 Teletec Corporation Variable time inversion algorithm controlled system for multi-level speech security
GB2207328A (en) * 1987-07-20 1989-01-25 British Broadcasting Corp Scrambling of analogue electrical signals
US4949378A (en) * 1987-09-04 1990-08-14 Mammone Richard J Toy helmet for scrambled communications
JPH01141436A (ja) * 1987-11-27 1989-06-02 Sony Corp フレーム同期化方法
US5253275A (en) 1991-01-07 1993-10-12 H. Lee Browne Audio and video transmission and receiving system
US5253296A (en) * 1991-11-26 1993-10-12 Communication Electronics System for resisting interception of information
US5590195A (en) * 1993-03-15 1996-12-31 Command Audio Corporation Information dissemination using various transmission modes
US6330334B1 (en) 1993-03-15 2001-12-11 Command Audio Corporation Method and system for information dissemination using television signals
US5561282A (en) * 1993-04-30 1996-10-01 Microbilt Corporation Portable signature capture pad
US5815671A (en) * 1996-06-11 1998-09-29 Command Audio Corporation Method and apparatus for encoding and storing audio/video information for subsequent predetermined retrieval
US5956629A (en) * 1996-08-14 1999-09-21 Command Audio Corporation Method and apparatus for transmitter identification and selection for mobile information signal services
US6078666A (en) * 1996-10-25 2000-06-20 Matsushita Electric Industrial Co., Ltd. Audio signal processing method and related device with block order switching
US6148175A (en) * 1999-06-22 2000-11-14 Freedland; Marat Audio entertainment system
IL143533A0 (en) * 2001-06-03 2002-06-30 Shichor Eliahu An audio signal scrambler for any phone, including cellular phones, employing a unique frame synchroization system
US7177608B2 (en) * 2002-03-11 2007-02-13 Catch A Wave Technologies Personal spectrum recorder
US7376476B2 (en) * 2003-09-12 2008-05-20 International Business Machines Corporation Methods for changing time intervals of the occurrence of audio information from local and remote sites
US7387359B2 (en) * 2004-09-21 2008-06-17 Z Corporation Apparatus and methods for servicing 3D printers
US20080311865A1 (en) * 2007-06-14 2008-12-18 Tzero Technologies, Inc. Transmission scheduling control of average transmit signal power
US8589171B2 (en) * 2011-03-17 2013-11-19 Remote Media, Llc System and method for custom marking a media file for file matching

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1162399B (de) * 1961-10-24 1964-02-06 Ibm Verdichter fuer Daten, deren statistische Verteilung sehr stark schwankt
CH502030A (de) * 1969-01-15 1971-01-15 Patelhold Patentverwertung Verfahren zum Betrieb eines adresscodierten Informationsübermittlungssystems
US3636524A (en) * 1969-12-08 1972-01-18 Tel Tech Corp Multiplex communication system
FR2088882A5 (enExample) * 1970-04-28 1972-01-07 Thomson Csf
DE2834280A1 (de) * 1978-08-04 1980-02-21 Siemens Ag Anordnung zur durchfuehrung einer verschleierten uebertragung von informationen
FR2454664A1 (fr) * 1979-04-20 1980-11-14 Telediffusion Fse Systeme de cryptage et de decryptage d'un signal analogique par compressions et expansions temporelles
US4383322A (en) * 1980-05-02 1983-05-10 Harris Corporation Combined use of PN sequence for data scrambling and frame synchronization in digital communication systems
US4344180A (en) * 1980-06-19 1982-08-10 Bell Telephone Laboratories, Incorporated Redundant word frame synchronization circuit
FI811862L (fi) * 1980-06-20 1981-12-21 Crypto Ag Foerfarande foer omformning av signalavsnitt foer kodad oeverfoering uppdelade talsignaler samt anordning foer genomfoerande av foerfarandet
US4392021A (en) * 1980-07-28 1983-07-05 Technical Communications Corporation Secure facsimile transmission system using time-delay modulation
JPS5731247A (en) * 1980-08-01 1982-02-19 Hitachi Ltd Multiplexing tramsmission system
US4434323A (en) * 1981-06-29 1984-02-28 Motorola, Inc. Scrambler key code synchronizer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63124639A (ja) * 1986-11-13 1988-05-28 Sanyo Electric Co Ltd 秘話通信装置の同期回路

Also Published As

Publication number Publication date
CA1216633A (en) 1987-01-13
US4683586A (en) 1987-07-28
EP0116402A3 (en) 1987-09-16
JPH0462213B2 (enExample) 1992-10-05
EP0116402A2 (en) 1984-08-22
AU2242983A (en) 1984-07-12

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