USPatentGranted
B2

Service gateway for interactive television

Granted 15 Sep 2015 · 2 office actions

Current assignee: OpenTV, Inc. · originally OpenTV

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Inventors: Waiman Lam, Alain Delpuch, Taylor W. Kidd, Vincent Dureau +3 · Examiner: Timothy Newlin

Life of the patent

3 dated events
⤢ drag to zoomJan 2014Apr 2014Jul 2014Oct 2014Jan 2015Apr 2015Jul 2015Oct 2015Prosecution
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Abstract

A service gateway provides a proxy between a client protocol and a plurality of standard communication protocols. The service gateway provides asymmetrical routing, data compression and encryption to optimize client processing power and communication link bandwidth. The service gateway enables content translation between clients and service providers. The service gateway keeps track of client available memory and sequence numbers in messages to generate error codes when applicable. A store and forward message capability is provided along with abstract session identifiers. The service gateway supports user datagram protocol.

Claims

19 · 3 independent · depth 3
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19 granted claims

Classifications

19 codes
IPC · International Patent Classification
Section H — Electricity
  • H04N21/84
  • H04L29/08
  • H04N21/8543
  • H04N7/173
  • H04L29/06
  • H04N21/643
  • H04N21/81
  • H04N21/2385
  • H04N21/435
  • H04N21/437
  • H04N21/238
  • H04N21/235
  • H04N21/254
  • H04N21/647
  • H04N21/2668
  • H04N21/8545
  • H04L12/58
  • H04N21/24
  • H04N21/258

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File wrapper

Pendency
1.7 y
636 days filing → grant
Office actions
1
non-final + final
Responses
2
1 RCE
Examiner
Timothy Newlin
art unit —
Citations: 262 back · 0 forward

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20140109167 A117 Apr 2014

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Citations

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