DE69735884D1 - Modemsteuerverfahren - Google Patents
ModemsteuerverfahrenInfo
- Publication number
- DE69735884D1 DE69735884D1 DE69735884T DE69735884T DE69735884D1 DE 69735884 D1 DE69735884 D1 DE 69735884D1 DE 69735884 T DE69735884 T DE 69735884T DE 69735884 T DE69735884 T DE 69735884T DE 69735884 D1 DE69735884 D1 DE 69735884D1
- Authority
- DE
- Germany
- Prior art keywords
- control method
- modem control
- modem
- control
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
- H04L1/0004—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes applied to control information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
- H04L1/001—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding applied to control information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0028—Formatting
- H04L1/003—Adaptive formatting arrangements particular to signalling, e.g. variable amount of bits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1438—Negotiation of transmission parameters prior to communication
- H04L5/1446—Negotiation of transmission parameters prior to communication of transmission speed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/333—Mode signalling or mode changing; Handshaking therefor
- H04N1/33307—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only
- H04N1/33323—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only transmission mode only, e.g. speed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/333—Mode signalling or mode changing; Handshaking therefor
- H04N2201/33307—Mode signalling or mode changing; Handshaking therefor of a particular mode
- H04N2201/33342—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode
- H04N2201/3335—Speed or rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/333—Mode signalling or mode changing; Handshaking therefor
- H04N2201/33307—Mode signalling or mode changing; Handshaking therefor of a particular mode
- H04N2201/33342—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode
- H04N2201/33371—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode using test signals, e.g. checking error occurrences
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Multimedia (AREA)
- Facsimile Transmission Control (AREA)
- Telephonic Communication Services (AREA)
- Communication Control (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP33657596A JP3145047B2 (ja) | 1996-12-17 | 1996-12-17 | V.34ファクシミリ端末・制御チャネル・速度選択方法 |
JP33657596 | 1996-12-17 | ||
PCT/JP1997/004629 WO1998027716A1 (fr) | 1996-12-17 | 1997-12-16 | Procede de commande de modem |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69735884D1 true DE69735884D1 (de) | 2006-06-22 |
DE69735884T2 DE69735884T2 (de) | 2006-09-14 |
Family
ID=18300571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69735884T Expired - Lifetime DE69735884T2 (de) | 1996-12-17 | 1997-12-16 | Modemsteuerverfahren |
Country Status (8)
Country | Link |
---|---|
US (1) | US6295313B1 (de) |
EP (1) | EP0895405B1 (de) |
JP (1) | JP3145047B2 (de) |
KR (1) | KR100305939B1 (de) |
CN (1) | CN1157910C (de) |
CA (1) | CA2246497C (de) |
DE (1) | DE69735884T2 (de) |
WO (1) | WO1998027716A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6385645B1 (en) * | 1995-08-04 | 2002-05-07 | Belle Gate Investments B.V. | Data exchange system comprising portable data processing units |
JP3639705B2 (ja) * | 1997-11-18 | 2005-04-20 | キヤノン株式会社 | 通信装置及び通信方法 |
AU9367098A (en) * | 1998-09-29 | 2000-04-17 | Sun Microsystems, Inc. | Superposition of data over voice |
US6549570B1 (en) * | 1999-04-15 | 2003-04-15 | Cisco Technology, Inc. | Apparatus for line state analysis in a telecommunications system |
ATE475139T1 (de) * | 1999-06-10 | 2010-08-15 | Belle Gate Invest B V | Vorrichtung zum speichern unterschiedlicher versionen von datensätzen in getrennten datenbereichen und verfahren zur aktualisierung eines datensatzes in einem speicher |
JP2001086184A (ja) * | 1999-09-10 | 2001-03-30 | Matsushita Graphic Communication Systems Inc | モデム装置及び通信制御装置並びに通信制御方法 |
KR100699236B1 (ko) * | 1999-12-07 | 2007-03-27 | 선 마이크로시스템즈 인코포레이티드 | 안전 사진을 포함한 식별 장치, 이러한 식별 장치를인증하기 위한 수단 및 그 장치의 인증 방법 |
US6418160B1 (en) | 2000-03-29 | 2002-07-09 | Sbc Technology Resources, Inc. | Method for testing a communication channel |
WO2002009046A1 (en) | 2000-07-20 | 2002-01-31 | Belle Gate Investment B.V. | Method and system of communicating devices, and devices therefor, with protected data transfer |
US7620154B2 (en) | 2002-12-23 | 2009-11-17 | Cambron G Keith | Equivalent working length determinative system for digital subscriber line circuits |
KR100620382B1 (ko) * | 2005-01-10 | 2006-09-11 | 삼성전자주식회사 | 통신장치 및 통신방법 |
JP2014112772A (ja) * | 2012-12-05 | 2014-06-19 | Ricoh Co Ltd | 通信装置、データ通信方法およびデータ通信プログラム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2813181B2 (ja) | 1987-08-20 | 1998-10-22 | 株式会社リコー | 無線データ通信装置 |
US5170470A (en) | 1988-05-02 | 1992-12-08 | National Semiconductor Corp. | Integrated modem which employs a host processor as its controller |
JP2632109B2 (ja) | 1992-02-06 | 1997-07-23 | 三洋電機株式会社 | ファクシミリ装置 |
JP3471953B2 (ja) | 1995-02-16 | 2003-12-02 | キヤノン株式会社 | データ通信装置 |
JP2950209B2 (ja) * | 1995-08-21 | 1999-09-20 | 日本電気株式会社 | ファクシミリ装置およびファクシミリ通信方法 |
US5870429A (en) * | 1996-06-17 | 1999-02-09 | Motorola, Inc. | Apparatus method, and software modem for utilizing envelope delay distortion characteristics to determine a symbol rate and a carrier frequency for data transfer |
-
1996
- 1996-12-17 JP JP33657596A patent/JP3145047B2/ja not_active Expired - Lifetime
-
1997
- 1997-12-16 KR KR1019980706343A patent/KR100305939B1/ko not_active IP Right Cessation
- 1997-12-16 WO PCT/JP1997/004629 patent/WO1998027716A1/ja active IP Right Grant
- 1997-12-16 US US09/117,177 patent/US6295313B1/en not_active Expired - Fee Related
- 1997-12-16 CA CA002246497A patent/CA2246497C/en not_active Expired - Fee Related
- 1997-12-16 CN CNB971923280A patent/CN1157910C/zh not_active Expired - Fee Related
- 1997-12-16 DE DE69735884T patent/DE69735884T2/de not_active Expired - Lifetime
- 1997-12-16 EP EP97947956A patent/EP0895405B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3145047B2 (ja) | 2001-03-12 |
EP0895405A4 (de) | 2001-11-14 |
EP0895405A1 (de) | 1999-02-03 |
CN1211371A (zh) | 1999-03-17 |
WO1998027716A1 (fr) | 1998-06-25 |
CN1157910C (zh) | 2004-07-14 |
CA2246497C (en) | 2001-06-12 |
DE69735884T2 (de) | 2006-09-14 |
KR19990082605A (ko) | 1999-11-25 |
JPH10178530A (ja) | 1998-06-30 |
CA2246497A1 (en) | 1998-06-25 |
EP0895405B1 (de) | 2006-05-17 |
KR100305939B1 (ko) | 2001-11-02 |
US6295313B1 (en) | 2001-09-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |