Assurance of intercommunication and position recognition between

Details Assurance of intercommunication and position recognition between Assurance of intercommunication and position recognition between

1997-09-23

1999-12-14

Wu, Daniel J.

Communications: electrical

External condition vehicle-mounted indicator or alarm

Transmitter in another vehicle

340990, 340995, 701213, 701300, G08G 116

Patent

active

060023457

ABSTRACT:
The communication state is evaluated on the basis of the current positions, velocities, and moving directions included in information obtained from another mobile station by radio communications and information of the own mobile station, and the electric field strength Bi of the radio communications (S31 to S34). When the obtained evaluation value is smaller than the relative distance Li between the mobile stations (S35), processing for generating a message in the own mobile station is done in correspondence with the current position (S36 to S42), or processing for generating a message in the other mobile station is done in correspondence with the direction the other mobile station is traveling (S43 to S48).

REFERENCES:
patent: 5170172 (1992-12-01), Weinstein
patent: 5239684 (1993-08-01), Ishikura
patent: 5289527 (1994-02-01), Tiedmann, Jr.
patent: 5561851 (1996-10-01), Hubbell et al.
patent: 5640144 (1997-06-01), Russo et al.
patent: 5781119 (1998-07-01), Yamashita et al.

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