CA2220483C - Compressed digital-data interactive program system - Google Patents

Compressed digital-data interactive program system Download PDF

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Publication number
CA2220483C
CA2220483C CA002220483A CA2220483A CA2220483C CA 2220483 C CA2220483 C CA 2220483C CA 002220483 A CA002220483 A CA 002220483A CA 2220483 A CA2220483 A CA 2220483A CA 2220483 C CA2220483 C CA 2220483C
Authority
CA
Canada
Prior art keywords
television
signal
program
interactive
signals
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
Application number
CA002220483A
Other languages
English (en)
French (fr)
Other versions
CA2220483A1 (en
Inventor
Gregory W. Harper
Michael J. Freeman
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.)
ACTV Inc
Original Assignee
ACTV Inc
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 ACTV Inc filed Critical ACTV Inc
Priority to CA002464378A priority Critical patent/CA2464378A1/en
Priority claimed from PCT/US1996/007236 external-priority patent/WO1996037075A1/en
Publication of CA2220483A1 publication Critical patent/CA2220483A1/en
Application granted granted Critical
Publication of CA2220483C publication Critical patent/CA2220483C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CA002220483A 1995-05-18 1996-05-17 Compressed digital-data interactive program system Expired - Lifetime CA2220483C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002464378A CA2464378A1 (en) 1995-05-18 1996-05-17 Compressed digital-data interactive program system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US43360795A 1995-05-18 1995-05-18
US08/433,607 1995-05-18
PCT/US1996/007236 WO1996037075A1 (en) 1995-05-18 1996-05-17 Compressed digital-data interactive program system

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002464378A Division CA2464378A1 (en) 1995-05-18 1996-05-17 Compressed digital-data interactive program system

Publications (2)

Publication Number Publication Date
CA2220483A1 CA2220483A1 (en) 1996-11-21
CA2220483C true CA2220483C (en) 2004-12-07

Family

ID=23720800

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002220483A Expired - Lifetime CA2220483C (en) 1995-05-18 1996-05-17 Compressed digital-data interactive program system

Country Status (3)

Country Link
JP (1) JP3946251B2 (da)
CA (1) CA2220483C (da)
DK (1) DK0826287T3 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080151124A1 (en) * 2004-08-25 2008-06-26 Thomas Licensing Reducing Channel Changing Time for Digital Video Inputs

Also Published As

Publication number Publication date
DK0826287T3 (da) 2002-10-07
CA2220483A1 (en) 1996-11-21
JP2002515194A (ja) 2002-05-21
JP3946251B2 (ja) 2007-07-18

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20160517

MKEX Expiry

Effective date: 20160517