FR2725575B1 - SYSTEM AND METHOD FOR TRANSMITTING SYNCHRONOUS DIGITAL DATA IN THE FORM OF SECURITY DATA - Google Patents

SYSTEM AND METHOD FOR TRANSMITTING SYNCHRONOUS DIGITAL DATA IN THE FORM OF SECURITY DATA

Info

Publication number
FR2725575B1
FR2725575B1 FR9511704A FR9511704A FR2725575B1 FR 2725575 B1 FR2725575 B1 FR 2725575B1 FR 9511704 A FR9511704 A FR 9511704A FR 9511704 A FR9511704 A FR 9511704A FR 2725575 B1 FR2725575 B1 FR 2725575B1
Authority
FR
France
Prior art keywords
data
synchronous digital
transmitting synchronous
digital data
security
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
FR9511704A
Other languages
French (fr)
Other versions
FR2725575A1 (en
Inventor
James S Hui
Kumer N Kumarappan
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of FR2725575A1 publication Critical patent/FR2725575A1/en
Application granted granted Critical
Publication of FR2725575B1 publication Critical patent/FR2725575B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
    • H04N1/00209—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax
    • 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
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
    • 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
    • H04N1/44—Secrecy systems
    • 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
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling
    • 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
    • H04N1/44—Secrecy systems
    • H04N1/448—Rendering the image unintelligible, e.g. scrambling
    • H04N1/4486—Rendering the image unintelligible, e.g. scrambling using digital data encryption
    • 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
    • H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
    • H04N2201/0015—Control of image communication with the connected apparatus, e.g. signalling capability
    • H04N2201/002—Selecting or switching between an image communication channel and a non-image communication channel
    • 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
    • H04N2201/33364—Type of modulation; Type of channel, e.g. digital or analog; Type of communication, e.g. half-duplex or full-duplex
FR9511704A 1994-10-06 1995-10-05 SYSTEM AND METHOD FOR TRANSMITTING SYNCHRONOUS DIGITAL DATA IN THE FORM OF SECURITY DATA Expired - Fee Related FR2725575B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31915694A 1994-10-06 1994-10-06

Publications (2)

Publication Number Publication Date
FR2725575A1 FR2725575A1 (en) 1996-04-12
FR2725575B1 true FR2725575B1 (en) 1997-12-19

Family

ID=23241084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9511704A Expired - Fee Related FR2725575B1 (en) 1994-10-06 1995-10-05 SYSTEM AND METHOD FOR TRANSMITTING SYNCHRONOUS DIGITAL DATA IN THE FORM OF SECURITY DATA

Country Status (3)

Country Link
JP (1) JPH08111737A (en)
DE (1) DE19537130C2 (en)
FR (1) FR2725575B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10133934A1 (en) * 2001-07-12 2003-01-30 Infineon Technologies Ag Coding device and decoding device
US6851008B2 (en) 2002-03-06 2005-02-01 Broadcom Corporation Adaptive flow control method and apparatus
JP2007103486A (en) * 2005-09-30 2007-04-19 Kyocera Kinseki Corp Fixing method of mounting component

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01256279A (en) * 1988-04-05 1989-10-12 Nippon Denki Computer Syst Kk Facsimile equipment
JPH0227877A (en) * 1988-07-18 1990-01-30 Mitsubishi Electric Corp Facsimile equipment
JP2826122B2 (en) * 1988-09-22 1998-11-18 株式会社リコー Data terminal device and transmission control method thereof
JPH03268682A (en) * 1990-03-19 1991-11-29 Toshiba Corp Facsimile equipment
JPH04154273A (en) * 1990-10-17 1992-05-27 Fujitsu Ltd Facsimile equipment
ATE120914T1 (en) * 1991-01-21 1995-04-15 Siemens Ag METHOD FOR TRANSMITTING CONFIDENTIAL FACSIMILE MESSAGES TO AND FROM A PERSONAL COMPUTER.
DE4106454A1 (en) * 1991-02-28 1992-09-03 Siemens Ag DATA PROCESSING AND DATA TRANSMISSION SYSTEM BY MEANS OF A PERSONNEL COMPUTER AND FACSIMILE READING RECEIVER
US5166977A (en) * 1991-05-31 1992-11-24 Encrypto, Inc. Protocol converter for a secure fax transmission system
DE4303126A1 (en) * 1993-01-15 1994-07-21 Peter Dipl Ing Gruenewald Facsimile with message recorder and print-out transport
JPH06233101A (en) * 1993-02-04 1994-08-19 Ricoh Co Ltd Facsimile equipment

Also Published As

Publication number Publication date
DE19537130C2 (en) 2000-11-02
DE19537130A1 (en) 1996-04-11
FR2725575A1 (en) 1996-04-12
JPH08111737A (en) 1996-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100630