AU2315484A – Multilevel secrecy transmission
– Google Patents
AU2315484A – Multilevel secrecy transmission
– Google Patents
Multilevel secrecy transmission
Info
Publication number
AU2315484A
AU2315484A
AU23154/84A
AU2315484A
AU2315484A
AU 2315484 A
AU2315484 A
AU 2315484A
AU 23154/84 A
AU23154/84 A
AU 23154/84A
AU 2315484 A
AU2315484 A
AU 2315484A
AU 2315484 A
AU2315484 A
AU 2315484A
Authority
AU
Australia
Prior art keywords
multilevel
secrecy transmission
secrecy
transmission
multilevel secrecy
Prior art date
1983-01-10
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
AU23154/84A
Other versions
AU578189B2
(en
Inventor
Kouzou Kage
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.)
NEC Corp
Original Assignee
NEC 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.)
1983-01-10
Filing date
1984-01-09
Publication date
1984-07-12
1984-01-09
Application filed by NEC Corp
filed
Critical
NEC Corp
1984-07-12
Publication of AU2315484A
publication
Critical
patent/AU2315484A/en
1988-10-13
Application granted
granted
Critical
1988-10-13
Publication of AU578189B2
publication
Critical
patent/AU578189B2/en
2004-01-09
Anticipated expiration
legal-status
Critical
Status
Ceased
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
H04K1/00—Secret communication
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
H04K1/00—Secret communication
H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
AU23154/84A
1983-01-10
1984-01-09
Multilevel secrecy transmission
Ceased
AU578189B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
JP58001040A
JPS59126342A
(en)
1983-01-10
1983-01-10
Digital sound signal transmitting system
JP58-001040
1983-01-10
Publications (2)
Publication Number
Publication Date
AU2315484A
true
AU2315484A
(en)
1984-07-12
AU578189B2
AU578189B2
(en)
1988-10-13
Family
ID=11490444
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU23154/84A
Ceased
AU578189B2
(en)
1983-01-10
1984-01-09
Multilevel secrecy transmission
Country Status (5)
Country
Link
US
(1)
US4837821A
(en)
JP
(1)
JPS59126342A
(en)
AU
(1)
AU578189B2
(en)
CA
(1)
CA1231382A
(en)
GB
(1)
GB2134756B
(en)
Families Citing this family (10)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS59126342A
(en)
*
1983-01-10
1984-07-20
Nec Corp
Digital sound signal transmitting system
JPH01116846A
(en)
*
1987-10-30
1989-05-09
Nec Corp
Semiconductor integrated circuit
US4924516A
(en)
*
1989-05-23
1990-05-08
At&T Paradyne
Method and system for a synchronized pseudo-random privacy modem
KR940009843B1
(en)
*
1992-02-07
1994-10-17
이병기
Parallel scrambling system
US5381480A
(en)
*
1993-09-20
1995-01-10
International Business Machines Corporation
System for translating encrypted data
JPH10163878A
(en)
*
1996-11-29
1998-06-19
Nec Niigata Ltd
Signal transfer method and signal transfer system
US6324602B1
(en)
*
1998-08-17
2001-11-27
Integrated Memory Logic, Inc.
Advanced input/output interface for an integrated circuit device using two-level to multi-level signal conversion
US6477592B1
(en)
1999-08-06
2002-11-05
Integrated Memory Logic, Inc.
System for I/O interfacing for semiconductor chip utilizing addition of reference element to each data element in first data stream and interpret to recover data elements of second data stream
US6937664B1
(en)
2000-07-18
2005-08-30
Integrated Memory Logic, Inc.
System and method for multi-symbol interfacing
US7564866B2
(en)
*
2000-07-21
2009-07-21
Broadcom Corporation
Methods and systems for digitally processing optical data signals
Family Cites Families (18)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4283602A
(en)
*
1966-06-03
1981-08-11
International Telephone And Telegraph Corporation
Cryptographically secure communication system
GB1157870A
(en)
*
1967-04-21
1969-07-09
Standard Telephones Cables Ltd
A Speech Scrambling Device
SE305470B
(en)
*
1967-06-21
1968-10-28
Ericsson Telefon Ab L M
BE754963A
(en)
*
1969-08-20
1971-02-01
Western Electric Co
DIFFERENTIAL CODED PULSES COMMUNICATION SYSTEM
US3666890A
(en)
*
1970-11-27
1972-05-30
American Data Systems Inc
Differential coding system and method
US3798359A
(en)
*
1971-06-30
1974-03-19
Ibm
Block cipher cryptographic system
JPS5250487B2
(en)
*
1972-02-04
1977-12-24
US3784743A
(en)
*
1972-08-23
1974-01-08
Bell Telephone Labor Inc
Parallel data scrambler
US4092596A
(en)
*
1976-04-13
1978-05-30
Dickinson Robert V C
Data transmission and reception system
JPS6016777B2
(en)
*
1976-12-25
1985-04-27
株式会社東芝
Signal transmission method
JPS547205A
(en)
*
1977-06-20
1979-01-19
Nippon Telegr & Teleph Corp
Privacy circuit
US4346473A
(en)
*
1980-02-26
1982-08-24
Harris Corporation
Error correction coding method and apparatus for multilevel signaling
US4750205A
(en)
*
1982-05-10
1988-06-07
Lee Lin Shan
Frequency or time domain speech scrambling technique and system which does not require any frame synchronization
US4591673A
(en)
*
1982-05-10
1986-05-27
Lee Lin Shan
Frequency or time domain speech scrambling technique and system which does not require any frame synchronization
JPS59126342A
(en)
*
1983-01-10
1984-07-20
Nec Corp
Digital sound signal transmitting system
US4483012A
(en)
*
1983-04-18
1984-11-13
At&T Information Systems
Differentially convolutional channel coding with expanded set of signalling alphabets
US4752953A
(en)
*
1983-05-27
1988-06-21
M/A-Com Government Systems, Inc.
Digital audio scrambling system with pulse amplitude modulation
US4608456A
(en)
*
1983-05-27
1986-08-26
M/A-Com Linkabit, Inc.
Digital audio scrambling system with error conditioning
1983
1983-01-10
JP
JP58001040A
patent/JPS59126342A/en
active
Pending
1984
1984-01-04
US
US06/568,312
patent/US4837821A/en
not_active
Expired – Fee Related
1984-01-09
CA
CA000444957A
patent/CA1231382A/en
not_active
Expired
1984-01-09
AU
AU23154/84A
patent/AU578189B2/en
not_active
Ceased
1984-01-10
GB
GB08400496A
patent/GB2134756B/en
not_active
Expired
Also Published As
Publication number
Publication date
JPS59126342A
(en)
1984-07-20
GB2134756B
(en)
1986-11-05
CA1231382A
(en)
1988-01-12
GB8400496D0
(en)
1984-02-15
US4837821A
(en)
1989-06-06
GB2134756A
(en)
1984-08-15
AU578189B2
(en)
1988-10-13
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Legal Events
Date
Code
Title
Description
2001-08-09
MK14
Patent ceased section 143(a) (annual fees not paid) or expired
