AUPM397094A0 - Improved switching apparatus for video signals - Google Patents

Improved switching apparatus for video signals

Info

Publication number
AUPM397094A0
AUPM397094A0 AUPM3970A AUPM397094A AUPM397094A0 AU PM397094 A0 AUPM397094 A0 AU PM397094A0 AU PM3970 A AUPM3970 A AU PM3970A AU PM397094 A AUPM397094 A AU PM397094A AU PM397094 A0 AUPM397094 A0 AU PM397094A0
Authority
AU
Australia
Prior art keywords
video signals
switching apparatus
improved switching
improved
video
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.)
Abandoned
Application number
AUPM3970A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AUPM3970A priority Critical patent/AUPM397094A0/en
Publication of AUPM397094A0 publication Critical patent/AUPM397094A0/en
Priority to PCT/AU1995/000051 priority patent/WO1995022812A1/en
Priority to AU16603/95A priority patent/AU696063B2/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
    • G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
    • G09B5/14—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations with provision for individual teacher-student communication
    • 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
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Electrically Operated Instructional Devices (AREA)
AUPM3970A 1994-02-17 1994-02-17 Improved switching apparatus for video signals Abandoned AUPM397094A0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AUPM3970A AUPM397094A0 (en) 1994-02-17 1994-02-17 Improved switching apparatus for video signals
PCT/AU1995/000051 WO1995022812A1 (en) 1994-02-17 1995-02-06 Improved switching apparatus for video signals
AU16603/95A AU696063B2 (en) 1994-02-17 1995-02-06 Improved switching apparatus for video signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPM3970A AUPM397094A0 (en) 1994-02-17 1994-02-17 Improved switching apparatus for video signals

Publications (1)

Publication Number Publication Date
AUPM397094A0 true AUPM397094A0 (en) 1994-03-10

Family

ID=3778587

Family Applications (1)

Application Number Title Priority Date Filing Date
AUPM3970A Abandoned AUPM397094A0 (en) 1994-02-17 1994-02-17 Improved switching apparatus for video signals

Country Status (2)

Country Link
AU (1) AUPM397094A0 (en)
WO (1) WO1995022812A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2145715B1 (en) * 1998-07-28 2001-02-01 Ortega Andres Pedro MULTIPLE VIDEO SWITCHING SYSTEM WITH SINGLE CONTROL.
SG72948A1 (en) * 1999-04-30 2003-02-18 Junglebyte Pte Ltd Provision of educational material over a communications network
CN100413338C (en) * 2002-01-17 2008-08-20 钱涵清 Multimedia teaching video network system
DE10211908B4 (en) * 2002-03-18 2004-11-18 Müller, Torsten Computer connection junction box
PT104418B (en) * 2009-02-27 2011-04-21 Microfil Tecnologias De Informacao S A SYSTEM AND METHOD OF MANAGEMENT AND ARCHIVE OF SCHOOL CONTENTS

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2149617B (en) * 1983-10-17 1987-04-23 David Frederick Henri Gillaume Computer inter-communication apparatus
EP0263799A3 (en) * 1986-10-07 1990-03-28 Giancarlo Caporali An interactive video network between one master computer and a plurality of slave computers
IT1207347B (en) * 1987-02-12 1989-05-17 C Olivetti E C Sp A Ing WORKSTATION SYSTEM OF EDUCATION FOR EDUCATIONAL USE IN A CLASS OF STUDENTS
GB2234104B (en) * 1989-07-08 1994-01-05 Alan Bradford Computer workstation networks
WO1992019070A1 (en) * 1991-04-19 1992-10-29 Graham Peters A switching apparatus for video signals

Also Published As

Publication number Publication date
WO1995022812A1 (en) 1995-08-24

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