GB2235611B - Digital noise generator - Google Patents

Digital noise generator

Info

Publication number
GB2235611B
GB2235611B GB9016808A GB9016808A GB2235611B GB 2235611 B GB2235611 B GB 2235611B GB 9016808 A GB9016808 A GB 9016808A GB 9016808 A GB9016808 A GB 9016808A GB 2235611 B GB2235611 B GB 2235611B
Authority
GB
United Kingdom
Prior art keywords
noise generator
digital noise
digital
generator
noise
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.)
Expired - Fee Related
Application number
GB9016808A
Other languages
English (en)
Other versions
GB2235611A (en
GB9016808D0 (en
Inventor
Yushi Naito
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of GB9016808D0 publication Critical patent/GB9016808D0/en
Publication of GB2235611A publication Critical patent/GB2235611A/en
Application granted granted Critical
Publication of GB2235611B publication Critical patent/GB2235611B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/84—Generating pulses having a predetermined statistical distribution of a parameter, e.g. random pulse generators
GB9016808A 1989-08-01 1990-07-31 Digital noise generator Expired - Fee Related GB2235611B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1200505A JPH07101840B2 (ja) 1989-08-01 1989-08-01 ディジタル雑音信号発生回路

Publications (3)

Publication Number Publication Date
GB9016808D0 GB9016808D0 (en) 1990-09-12
GB2235611A GB2235611A (en) 1991-03-06
GB2235611B true GB2235611B (en) 1993-09-15

Family

ID=16425431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9016808A Expired - Fee Related GB2235611B (en) 1989-08-01 1990-07-31 Digital noise generator

Country Status (4)

Country Link
US (1) US5121349A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH07101840B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE4024323A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2235611B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2609752B2 (ja) * 1990-10-09 1997-05-14 三菱電機株式会社 音声／音声帯域内データ識別装置
US5537509A (en) * 1990-12-06 1996-07-16 Hughes Electronics Comfort noise generation for digital communication systems
JP2518765B2 (ja) * 1991-05-31 1996-07-31 国際電気株式会社 音声符号化通信方式及びその装置
DE4213988A1 (de) * 1992-04-29 1993-11-04 Hechtenberg Rolf Rene Verfahren und vorrichtung zur gewinnung von zufallszahlen
US5630016A (en) * 1992-05-28 1997-05-13 Hughes Electronics Comfort noise generation for digital communication systems
US5680518A (en) * 1994-08-26 1997-10-21 Hangartner; Ricky D. Probabilistic computing methods and apparatus
JP2762941B2 (ja) * 1994-12-06 1998-06-11 日本電気株式会社 背景雑音発生装置
US6786420B1 (en) 1997-07-15 2004-09-07 Silverbrook Research Pty. Ltd. Data distribution mechanism in the form of ink dots on cards
US6547364B2 (en) * 1997-07-12 2003-04-15 Silverbrook Research Pty Ltd Printing cartridge with an integrated circuit device
US6618117B2 (en) 1997-07-12 2003-09-09 Silverbrook Research Pty Ltd Image sensing apparatus including a microcontroller
US6879341B1 (en) 1997-07-15 2005-04-12 Silverbrook Research Pty Ltd Digital camera system containing a VLIW vector processor
AUPO802797A0 (en) 1997-07-15 1997-08-07 Silverbrook Research Pty Ltd Image processing method and apparatus (ART54)
US6624848B1 (en) 1997-07-15 2003-09-23 Silverbrook Research Pty Ltd Cascading image modification using multiple digital cameras incorporating image processing
AUPO850597A0 (en) 1997-08-11 1997-09-04 Silverbrook Research Pty Ltd Image processing method and apparatus (art01a)
US7551201B2 (en) 1997-07-15 2009-06-23 Silverbrook Research Pty Ltd Image capture and processing device for a print on demand digital camera system
US7110024B1 (en) 1997-07-15 2006-09-19 Silverbrook Research Pty Ltd Digital camera system having motion deblurring means
US6985207B2 (en) 1997-07-15 2006-01-10 Silverbrook Research Pty Ltd Photographic prints having magnetically recordable media
US6690419B1 (en) 1997-07-15 2004-02-10 Silverbrook Research Pty Ltd Utilising eye detection methods for image processing in a digital image camera
AUPP702098A0 (en) 1998-11-09 1998-12-03 Silverbrook Research Pty Ltd Image creation method and apparatus (ART73)
US6208618B1 (en) * 1998-12-04 2001-03-27 Tellabs Operations, Inc. Method and apparatus for replacing lost PSTN data in a packet network
AUPQ056099A0 (en) 1999-05-25 1999-06-17 Silverbrook Research Pty Ltd A method and apparatus (pprint01)
US7003000B1 (en) * 1999-12-03 2006-02-21 Tellabs Operations, Inc. Method and apparatus for replacing lost PSTN data in a packet network
GB2358558B (en) * 2000-01-18 2003-10-15 Mitel Corp Packet loss compensation method using injection of spectrally shaped noise
KR100351187B1 (ko) * 2000-11-07 2002-09-05 이호준 코드분할 다중화방식을 이용한 다중 광섬유 브래그 격자센서의 신호처리 장치
DE10061315A1 (de) * 2000-12-08 2002-06-13 T Mobile Deutschland Gmbh Verfahren und Vorrichtung zum Erzeugen einer Pseudozufallsfolge
US6993542B1 (en) * 2001-03-12 2006-01-31 Cisco Technology, Inc. Efficient random number generation for communication systems
US20090228463A1 (en) * 2008-03-10 2009-09-10 Cramer Richard D Method for Searching Compound Databases Using Topomeric Shape Descriptors and Pharmacophoric Features Identified by a Comparative Molecular Field Analysis (CoMFA) Utilizing Topomeric Alignment of Molecular Fragments
US9311681B2 (en) 2012-01-24 2016-04-12 Facebook, Inc. Claiming conversations between users and non-users of a social networking system
US9298424B2 (en) * 2013-05-24 2016-03-29 SK Hynix Inc. Random number generating device
US9331681B2 (en) * 2013-11-05 2016-05-03 STMicroelectronics International N.V System and method for gaussian random noise generation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614399A (en) * 1968-08-30 1971-10-19 John C Linz Method of synthesizing low-frequency noise
US4719643A (en) * 1984-12-24 1988-01-12 Gte Communication Systems Corporation Pseudo random framing generator circuit
US4769777A (en) * 1986-06-25 1988-09-06 General Electric Company Unpredictable bit stream generator
JPS6412446A (en) * 1987-07-07 1989-01-17 Matsushita Electronics Corp Cathode structure for magnetron
JP2577923B2 (ja) * 1987-07-31 1997-02-05 クラリオン株式会社 擬似ランダム雑音符号発生器

Also Published As

Publication number Publication date
GB2235611A (en) 1991-03-06
US5121349A (en) 1992-06-09
GB9016808D0 (en) 1990-09-12
DE4024323A1 (de) 1991-02-14
JPH07101840B2 (ja) 1995-11-01
DE4024323C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-06-17
JPH0364116A (ja) 1991-03-19

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19960611

PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990731