GPS with mask ROM, control IC of the GPS and method for...

Details GPS with mask ROM, control IC of the GPS and method for... GPS with mask ROM, control IC of the GPS and method for...

2006-11-20

2009-10-06

Phan, Dao L (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

C342S357490, C701S213000

Reexamination Certificate

active

07598906

ABSTRACT:
The present invention provides a global positioning system (GPS) and a method for implementing the system. The GPS includes a control unit, a GPS RF processing circuit and a storage unit. The control unit includes a microprocessor and a mask ROM storing reference information. The GPS RF processing circuit is coupled to the control unit for receiving an RF signal, transforming the RF signal into a base-band or an intermediate frequency signal and transmitting the base-band or the intermediate frequency signal to the control unit. The storage unit is coupled to the control unit to temporally store a program code. The microprocessor executes the program code and refers to the reference information to achieve global positioning.

REFERENCES:
patent: 5544087 (1996-08-01), Nakajima et al.
patent: 5761456 (1998-06-01), Titus et al.
patent: 2007/0106430 (2007-05-01), Goto et al.
patent: 2007/0288748 (2007-12-01), Kakiuchi et al.

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