GB2267415B - Signal switching - Google Patents

Signal switching

Info

Publication number
GB2267415B
GB2267415B GB9210670A GB9210670A GB2267415B GB 2267415 B GB2267415 B GB 2267415B GB 9210670 A GB9210670 A GB 9210670A GB 9210670 A GB9210670 A GB 9210670A GB 2267415 B GB2267415 B GB 2267415B
Authority
GB
United Kingdom
Prior art keywords
signal switching
switching
signal
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
GB9210670A
Other versions
GB9210670D0 (en
GB2267415A (en
Inventor
James Hedley Wilkinson
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.)
Sony Broadcast and Communications Ltd
Sony Europe BV United Kingdom Branch
Original Assignee
Sony Broadcast and Communications Ltd
Sony United Kingdom 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 Sony Broadcast and Communications Ltd, Sony United Kingdom Ltd filed Critical Sony Broadcast and Communications Ltd
Priority to GB9210670A priority Critical patent/GB2267415B/en
Publication of GB9210670D0 publication Critical patent/GB9210670D0/en
Priority to JP11738593A priority patent/JPH06302127A/en
Publication of GB2267415A publication Critical patent/GB2267415A/en
Application granted granted Critical
Publication of GB2267415B publication Critical patent/GB2267415B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0626—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers plesiochronous multiplexing systems, e.g. plesiochronous digital hierarchy [PDH], jitter attenuators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/268—Signal distribution or switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/935—Regeneration of digital synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB9210670A 1992-05-19 1992-05-19 Signal switching Expired - Fee Related GB2267415B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9210670A GB2267415B (en) 1992-05-19 1992-05-19 Signal switching
JP11738593A JPH06302127A (en) 1992-05-19 1993-05-19 Equipment and method for switching signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9210670A GB2267415B (en) 1992-05-19 1992-05-19 Signal switching

Publications (3)

Publication Number Publication Date
GB9210670D0 GB9210670D0 (en) 1992-07-01
GB2267415A GB2267415A (en) 1993-12-01
GB2267415B true GB2267415B (en) 1996-02-07

Family

ID=10715726

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9210670A Expired - Fee Related GB2267415B (en) 1992-05-19 1992-05-19 Signal switching

Country Status (2)

Country Link
JP (1) JPH06302127A (en)
GB (1) GB2267415B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5329529A (en) * 1993-04-02 1994-07-12 Thomson Consumer Electronics, Inc. Digital data arbitration apparatus

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2012526A (en) * 1977-11-30 1979-07-25 Siemens Ag Digital transmission substitution systems
US4215335A (en) * 1977-12-28 1980-07-29 Sony Corporation Digital signal transmission method
US4328580A (en) * 1979-07-06 1982-05-04 Soundstream, Inc. Apparatus and an improved method for processing of digital information
GB2098029A (en) * 1981-04-30 1982-11-10 Western Electric Co Channel protection switching arrangement
US4477895A (en) * 1980-05-02 1984-10-16 Harris Corporation Synchronized protection switching arrangement
EP0180943A2 (en) * 1984-11-05 1986-05-14 Nec Corporation Channel switching system
US4772963A (en) * 1986-10-23 1988-09-20 Datatape Incorporated Duplicate digital date recording apparatus for enhancing bit error rate performance of a data storage medium
US4819225A (en) * 1987-03-09 1989-04-04 Hochstein Peter A Redundant and fault tolerant communication link
EP0310110A2 (en) * 1987-10-02 1989-04-05 Nec Corporation (1+N) hitless channel switching system
US4827940A (en) * 1987-04-13 1989-05-09 Cardiac Pacemakers, Inc. Soluble covering for cardiac pacing electrode
EP0315970A2 (en) * 1987-11-10 1989-05-17 Nec Corporation Channel switching system
EP0454249B1 (en) * 1990-04-27 1995-01-11 Trt Telecommunications Radioelectriques Et Telephoniques Dynamic switching device for masking errors in a system with a duplicate digital channel

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2012526A (en) * 1977-11-30 1979-07-25 Siemens Ag Digital transmission substitution systems
US4215335A (en) * 1977-12-28 1980-07-29 Sony Corporation Digital signal transmission method
US4328580A (en) * 1979-07-06 1982-05-04 Soundstream, Inc. Apparatus and an improved method for processing of digital information
US4477895A (en) * 1980-05-02 1984-10-16 Harris Corporation Synchronized protection switching arrangement
GB2098029A (en) * 1981-04-30 1982-11-10 Western Electric Co Channel protection switching arrangement
EP0180943A2 (en) * 1984-11-05 1986-05-14 Nec Corporation Channel switching system
US4772963A (en) * 1986-10-23 1988-09-20 Datatape Incorporated Duplicate digital date recording apparatus for enhancing bit error rate performance of a data storage medium
US4819225A (en) * 1987-03-09 1989-04-04 Hochstein Peter A Redundant and fault tolerant communication link
US4827940A (en) * 1987-04-13 1989-05-09 Cardiac Pacemakers, Inc. Soluble covering for cardiac pacing electrode
EP0310110A2 (en) * 1987-10-02 1989-04-05 Nec Corporation (1+N) hitless channel switching system
EP0315970A2 (en) * 1987-11-10 1989-05-17 Nec Corporation Channel switching system
EP0454249B1 (en) * 1990-04-27 1995-01-11 Trt Telecommunications Radioelectriques Et Telephoniques Dynamic switching device for masking errors in a system with a duplicate digital channel

Also Published As

Publication number Publication date
GB9210670D0 (en) 1992-07-01
GB2267415A (en) 1993-12-01
JPH06302127A (en) 1994-10-28

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060519