Electricity: measuring and testing – Magnetic – Displacement
Patent
1986-04-09
1989-08-15
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Displacement
33355R, 324226, 324260, 340989, 342457, 342458, 364460, 36442401, G01S 502, G01S 1100, G01C 1702, H04B 700
Patent
active
048578401
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
This invention belongs to the field of techniques grouped under the term telematics, i.e. techniques having as their object long-distance data transmission and processing.
Its preferred embodiments are described for applications of orientation, direction, identification, guidance and assistance. Generally, the invention broadens the horizon of communication and corresponds to needs such as:
matters in the public interest;
changes in descriptive speech for guide purposes;
a choice of messages such as provided from a memory;
advertising offered as a support service;
selective identification; and
a new combination with a compass which automatically "pinpoints" one's location.
This invention simultaneously meets such requirements in urban, rural and interior locations, and is used with all locomotion means in all atmospheric media. The invention also provides an improved aid to driving and road safety, as a medium for directional etc., information. It optimizes use of road and highway systems since it can improve relationships between public services, government and the user. As a personal guide device, it can indicate the direction and distance to find a given location, a street, a business, a service, a hotel, assistance, a meeting, a demonstration, a show, a job or leisure activities. Also, it can guide a user to a business, such as at the back of an industrial zone, an automatic bank in service, an open gas station, a stand in the labyrinth of an exhibition, an office in the three dimensional maze of a new town, etc. It can also serve as a "regional memory" during movement of a user and when it is of interest it can obtain sports results, local news, and weather report, tips, etc. Also, it can report on road obstructions on a traveller's itinerary and how to get around them. As advertising support it can give the best price of a desired product and lead a user to the nearest sales point, while it describes to best advantage of the advertiser the area passed through by the user and guides the user as to its specialities. As a tool for a professional, it can classify and provide the possibility of finding merchandise under the best conditions. It also is able to analyze values, by using telemetry, with telediagnostics, etc. As a new type of compass at this dawning 21st century, it wirelessly connects the individual to his surroundings, the surrounds to the individual, and individuals to one another. The above features are made more clearly in the following, including in the description of specific embodiments.
To date there have been various systems of orientation, guidance, signaling and recognition, whether static, mechanical or electronic, none is comparable to this invention.
Actually, the invention uses propagation of electromagnetic radiation between a transmitter and a receiver with various complementary measurement and transmission processes, including: a unidirectional transmission of digitized data with a periodic movement of carrier frequency which allows the function of telemetry by phase scattering while transmitting the digitized data as desired; a new thin-layer compass which determines the direction of the earth's magnetic field and provides an orientation function; and a standardized frequency modulation transmission employing known means of the prior art.
U-band microwave transmitters are installed at sites suitably selected to cover well-determined nerve zones of a population. These transmitters sequentially send out recordings from a data base. Such data flow can be transmitted by a digital signal with a speed equal to about 900,000 bits/second, for example.
Also, a plurality or network of frequency modulation transmitters can be installed to cover for instance 95% of a territory. These transmitters traditionally broadcast in FM. For a national territory, the existing public and/or private networks coul be used by controlling periodicity of priority transmission.
Individual portable electronic receivers the size of a credit card are used by the users. They dis
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