Lind et al., 1998 - Google Patents

Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L69/00—Application independent communication protocol aspects or techniques in packet data networks
  • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
  • H04L69/32—High level architectural aspects of 7-layer open systems interconnection [OSI] type protocol stacks
  • H04L69/322—Aspects of intra-layer communication protocols among peer entities or protocol data unit [PDU] definitions
  • H04L69/329—Aspects of intra-layer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer, i.e. layer seven
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
  • G01C21/00—Navigation; Navigational instruments not provided for in preceding groups
  • G01C21/26—Navigation; Navigational instruments not provided for in preceding groups specially adapted for navigation in a road network
  • G01C21/34—Route searching; Route guidance
  • G01C21/36—Input/output arrangements of navigation systems
• • G—PHYSICS
  • G08—SIGNALLING
  • G08G—TRAFFIC CONTROL SYSTEMS
  • G08G1/00—Traffic control systems for road vehicles
  • G08G1/09—Arrangements for giving variable traffic instructions
  • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages

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