GB2305813B - Data encoding in facsimile systems - Google Patents

Data encoding in facsimile systems

Info

Publication number
GB2305813B
GB2305813B GB9620035A GB9620035A GB2305813B GB 2305813 B GB2305813 B GB 2305813B GB 9620035 A GB9620035 A GB 9620035A GB 9620035 A GB9620035 A GB 9620035A GB 2305813 B GB2305813 B GB 2305813B
Authority
GB
United Kingdom
Prior art keywords
data encoding
facsimile systems
facsimile
systems
encoding
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
GB9620035A
Other languages
English (en)
Other versions
GB2305813A (en
GB9620035D0 (en
Inventor
Dong-Myong Shin
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of GB9620035D0 publication Critical patent/GB9620035D0/en
Publication of GB2305813A publication Critical patent/GB2305813A/en
Application granted granted Critical
Publication of GB2305813B publication Critical patent/GB2305813B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • 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
    • H04N1/4406—Restricting access, e.g. according to user identity
    • H04N1/4413—Restricting access, e.g. according to user identity involving the use of passwords, ID codes or the like, e.g. PIN
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Transmission Control (AREA)
GB9620035A 1995-09-29 1996-09-26 Data encoding in facsimile systems Expired - Fee Related GB2305813B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950033098A KR970019336A (ko) 1995-09-29 1995-09-29 팩시밀리시스템의 데이타 암호화 장치 및 방법

Publications (3)

Publication Number Publication Date
GB9620035D0 GB9620035D0 (en) 1996-11-13
GB2305813A GB2305813A (en) 1997-04-16
GB2305813B true GB2305813B (en) 1997-12-10

Family

ID=19428665

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9620035A Expired - Fee Related GB2305813B (en) 1995-09-29 1996-09-26 Data encoding in facsimile systems

Country Status (3)

Country Link
KR (1) KR970019336A (ko)
CN (1) CN1149226A (ko)
GB (1) GB2305813B (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100416390B1 (ko) * 2000-10-25 2004-01-31 주식회사 레다트 발광다이오드 램프 장치
US8290160B1 (en) 2001-10-17 2012-10-16 Appalachian Technologies Corporation of Pennsylvania Method and apparatus for secured facsimile transmission
US7549058B1 (en) * 2005-06-30 2009-06-16 Mavs Lab. Inc. Method and apparatus for encrypting and decrypting digital data

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2217949A (en) * 1988-03-29 1989-11-01 Aisin Seiki Secure facsimile system
US4985919A (en) * 1988-09-30 1991-01-15 Aisin Seiki Kabushiki Kaisha Secure communication control system
EP0516451A2 (en) * 1991-05-31 1992-12-02 Encryptco, Inc Interface for a secure fax transmission system with encrypting and decrypting
EP0542703A1 (en) * 1991-11-07 1993-05-19 Nybo Seal System Ab A system for the safe transmission of messages
US5241595A (en) * 1990-07-25 1993-08-31 Brother Kogyo Kabushiki Kaisha Communication control section for facsimile equipment having a secure communication function
US5287203A (en) * 1992-01-17 1994-02-15 Ricoh Company, Ltd. Apparatus for encoding and decoding information on recording medium
EP0673154A1 (en) * 1992-10-21 1995-09-20 Pumpkin House Incorporated Copying machine with encoding function
US5555307A (en) * 1993-01-28 1996-09-10 France Telecom Establissement Autonome De Droit Public Device and process for rendering secure the transmission of faxes, as well as fax unit which has been made secure and incorporating such a device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2217949A (en) * 1988-03-29 1989-11-01 Aisin Seiki Secure facsimile system
US4985919A (en) * 1988-09-30 1991-01-15 Aisin Seiki Kabushiki Kaisha Secure communication control system
US5241595A (en) * 1990-07-25 1993-08-31 Brother Kogyo Kabushiki Kaisha Communication control section for facsimile equipment having a secure communication function
EP0516451A2 (en) * 1991-05-31 1992-12-02 Encryptco, Inc Interface for a secure fax transmission system with encrypting and decrypting
EP0542703A1 (en) * 1991-11-07 1993-05-19 Nybo Seal System Ab A system for the safe transmission of messages
US5287203A (en) * 1992-01-17 1994-02-15 Ricoh Company, Ltd. Apparatus for encoding and decoding information on recording medium
EP0673154A1 (en) * 1992-10-21 1995-09-20 Pumpkin House Incorporated Copying machine with encoding function
US5555307A (en) * 1993-01-28 1996-09-10 France Telecom Establissement Autonome De Droit Public Device and process for rendering secure the transmission of faxes, as well as fax unit which has been made secure and incorporating such a device

Also Published As

Publication number Publication date
GB2305813A (en) 1997-04-16
CN1149226A (zh) 1997-05-07
GB9620035D0 (en) 1996-11-13
KR970019336A (ko) 1997-04-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090926