AU555378B2 – Beat interference frequency detection
– Google Patents
AU555378B2 – Beat interference frequency detection
– Google Patents
Beat interference frequency detection
Info
Publication number
AU555378B2
AU555378B2
AU12721/83A
AU1272183A
AU555378B2
AU 555378 B2
AU555378 B2
AU 555378B2
AU 12721/83 A
AU12721/83 A
AU 12721/83A
AU 1272183 A
AU1272183 A
AU 1272183A
AU 555378 B2
AU555378 B2
AU 555378B2
Authority
AU
Australia
Prior art keywords
frequency detection
interference frequency
beat interference
beat
detection
Prior art date
1982-03-23
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.)
Ceased
Application number
AU12721/83A
Other versions
AU1272183A
(en
Inventor
Kouzou Kage
Hiroshi Watanabe
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.)
NTT Docomo Inc
NEC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Nippon Electric Co Ltd
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.)
1982-03-23
Filing date
1983-03-23
Publication date
1986-09-18
1982-03-23
Priority claimed from JP57044674A
external-priority
patent/JPS58162146A/en
1982-03-23
Priority claimed from JP57044671A
external-priority
patent/JPS58162143A/en
1982-03-23
Priority claimed from JP57044672A
external-priority
patent/JPS58162144A/en
1982-03-23
Priority claimed from JP57044673A
external-priority
patent/JPS58162145A/en
1983-03-23
Application filed by Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd
filed
Critical
Nippon Telegraph and Telephone Corp
1983-09-29
Publication of AU1272183A
publication
Critical
patent/AU1272183A/en
1986-09-18
Application granted
granted
Critical
1986-09-18
Publication of AU555378B2
publication
Critical
patent/AU555378B2/en
1996-05-02
Assigned to NIPPON TELEGRAPH & TELEPHONE CORPORATION, NTT MOBILE COMMUNICATIONS NETWORK, INC., NEC CORPORATION
reassignment
NIPPON TELEGRAPH & TELEPHONE CORPORATION
Alteration of Name(s) in Register under S187
Assignors: NIPPON ELECTRIC CO. LTD., NIPPON TELEGRAPH & TELEPHONE CORPORATION
2003-03-23
Anticipated expiration
legal-status
Critical
Status
Ceased
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04B—TRANSMISSION
H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 – H04B13/00; Details of transmission systems not characterised by the medium used for transmission
H04B1/06—Receivers
H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
AU12721/83A
1982-03-23
1983-03-23
Beat interference frequency detection
Ceased
AU555378B2
(en)
Applications Claiming Priority (8)
Application Number
Priority Date
Filing Date
Title
JP57044674A
JPS58162146A
(en)
1982-03-23
1982-03-23
Detection system of interference wave
JP57044671A
JPS58162143A
(en)
1982-03-23
1982-03-23
Detecting system of interference wave
JP57-44671
1982-03-23
JP57044672A
JPS58162144A
(en)
1982-03-23
1982-03-23
Detecting system of interference wave
JP57-44674
1982-03-23
JP57-44673
1982-03-23
JP57044673A
JPS58162145A
(en)
1982-03-23
1982-03-23
Detecting system of interference wave
JP57-44672
1982-03-23
Publications (2)
Publication Number
Publication Date
AU1272183A
AU1272183A
(en)
1983-09-29
AU555378B2
true
AU555378B2
(en)
1986-09-18
Family
ID=27461565
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU12721/83A
Ceased
AU555378B2
(en)
1982-03-23
1983-03-23
Beat interference frequency detection
Country Status (4)
Country
Link
US
(1)
US4525868A
(en)
EP
(1)
EP0089853B1
(en)
AU
(1)
AU555378B2
(en)
CA
(1)
CA1196966A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
AU625760B2
(en)
*
1988-08-15
1992-07-16
Nec Corporation
Radio transceiver capable of avoiding intermodulation distortion
Families Citing this family (17)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4626789A
(en)
*
1983-08-19
1986-12-02
Hitachi, Ltd.
Demodulating circuit for data signal
JPS60143039A
(en)
*
1983-12-29
1985-07-29
Nec Corp
Interference wave detecting system
DE3724604A1
(en)
*
1987-04-15
1988-12-01
H U C Elektronik Gmbh
ARRANGEMENT FOR FILTERING AN FM VHF RECEPTION SIGNAL
JPS6454827A
(en)
*
1987-08-25
1989-03-02
Toshiba Corp
Fm demodulation output processing circuit
DE3818750A1
(en)
*
1988-05-30
1989-12-14
H U C Elektronik Gmbh
FM RECEIVER
DE3818751A1
(en)
*
1988-05-30
1989-12-07
H U C Elektronik Gmbh
FM RECEIVER
DE3818749A1
(en)
*
1988-05-30
1989-12-21
H U C Elektronik Gmbh
FM RECEIVER
DE3818748A1
(en)
*
1988-05-30
1989-12-21
H U C Elektronik Gmbh
FM RECEIVER
DE3818753A1
(en)
*
1988-05-30
1989-12-21
H U C Elektronik Gmbh
FM RECEIVER
DE3818752A1
(en)
*
1988-05-30
1989-12-07
H U C Elektronik Gmbh
FM RECEIVER
DE4105123A1
(en)
*
1991-02-19
1992-08-27
Becker Autoradio
CIRCUIT ARRANGEMENT FOR SUPPRESSING INTERFERENCE SIGNALS
US5475869A
(en)
*
1993-05-28
1995-12-12
Nec Corporation
Radio base station capable of distinguishing between interference due to collisions of outgoing call signals and an external interference noise
FR2727813B1
(en)
*
1994-12-02
1997-01-10
Alcatel Telspace
DEVICE FOR DETECTING THE PRESENCE OR ABSENCE OF A DIGITALLY MODULATED CARRIER, CORRESPONDING RECEIVER AND METHOD
US5554955A
(en)
*
1995-08-28
1996-09-10
Myers; Glen A.
Method and apparatus for removing the effects of co-channel interference from the message on a dominant frequency modulated carrier and for recovering the message from each of two co-channel carriers
WO1998012821A1
(en)
*
1996-09-18
1998-03-26
Philips Electronics N.V.
Interference detection circuit having amplitude frequency domain defined discrimination
US8000669B2
(en)
*
2008-03-10
2011-08-16
Visteon Global Technologies, Inc.
Automatic beat/tone removal algorithm
RU2631941C2
(en)
*
2016-02-15
2017-09-29
федеральное государственное казенное военное образовательное учреждение высшего образования “Военная академия связи имени Маршала Советского Союза С.М. Буденного” Министерства обороны Российской Федерации
Method of simulated echo detection in radio channels
Family Cites Families (9)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2050782A5
(en)
*
1969-06-25
1971-04-02
Cit Alcatel
GB1237517A
(en)
*
1970-02-05
1971-06-30
Pye Ltd
Muting arrangement for a communication system
JPS5325446B2
(en)
*
1972-11-13
1978-07-27
US4038604A
(en)
*
1975-12-15
1977-07-26
Cincinnati Electronics Corporation
Signal to noise ratio indicating circuit
US4236254A
(en)
*
1978-03-27
1980-11-25
Motorola, Inc.
Radio receiver blanker inhibit circuit
JPS5945302B2
(en)
*
1979-06-27
1984-11-05
三菱電機株式会社
Muting system for FM radio receiver
JPS5648729A
(en)
*
1979-09-28
1981-05-02
Pioneer Electronic Corp
Detecting circuit for multipath disturbance of radio wave
JPS5768933A
(en)
*
1980-10-16
1982-04-27
Nec Corp
Fm receiver
DE3047386A1
(en)
*
1980-12-16
1982-07-15
Philips Patentverwaltung Gmbh, 2000 Hamburg
RECEIVER FOR RECEIVING AM SIGNALS WHOSE CARRIER IS FREQUENCY OR PHASE MODULATED
1983
1983-03-22
CA
CA000424137A
patent/CA1196966A/en
not_active
Expired
1983-03-22
EP
EP83301605A
patent/EP0089853B1/en
not_active
Expired
1983-03-23
AU
AU12721/83A
patent/AU555378B2/en
not_active
Ceased
1983-03-23
US
US06/478,119
patent/US4525868A/en
not_active
Expired – Lifetime
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
AU625760B2
(en)
*
1988-08-15
1992-07-16
Nec Corporation
Radio transceiver capable of avoiding intermodulation distortion
Also Published As
Publication number
Publication date
AU1272183A
(en)
1983-09-29
EP0089853A3
(en)
1984-12-12
US4525868A
(en)
1985-06-25
EP0089853B1
(en)
1987-04-01
CA1196966A
(en)
1985-11-19
EP0089853A2
(en)
1983-09-28
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