Position determination using portable pseudo-television broadcast transmitters
First Claim
Patent Images
1. An apparatus comprising:
- a receiver adapted to receive a plurality of broadcast signals;
a signal processor adapted to determine a position of the apparatus based on the received plurality of broadcast signals;
a signal generator adapted to generate a ranging signal comprising a known component of a television signal; and
a transmitter adapted to broadcast a signal comprising the ranging signal and a position signal comprising a description of the position of the apparatus.
5 Assignments
0 Petitions
Accused Products
Abstract
An apparatus, method, and computer-readable media comprise a receiver adapted to receive a plurality of broadcast signals; a signal processor adapted to determine a position based on the received plurality of broadcast signals; a signal generator adapted to generate a ranging signal comprising a known component of a television signal; and a transmitter adapted to broadcast a signal comprising the ranging signal and a position signal comprising a description of the position.
74 Citations
28 Claims
-
1. An apparatus comprising:
-
a receiver adapted to receive a plurality of broadcast signals;
a signal processor adapted to determine a position of the apparatus based on the received plurality of broadcast signals;
a signal generator adapted to generate a ranging signal comprising a known component of a television signal; and
a transmitter adapted to broadcast a signal comprising the ranging signal and a position signal comprising a description of the position of the apparatus. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. An apparatus comprising:
-
receiver means for receiving a plurality of broadcast signals;
signal processor means for determining a position of the apparatus based on the received plurality of broadcast signals;
signal generator means for generating a ranging signal comprising a known component of a television signal; and
transmitter means for broadcasting a signal comprising the ranging signal and a position signal comprising a description of the position of the apparatus. - View Dependent Claims (9, 10, 11, 12, 13, 14)
-
-
15. A method comprising:
-
receiving a plurality of broadcast signals at an apparatus;
determining a position of the apparatus based on the received plurality of broadcast signals;
generating a ranging signal comprising a known component of a television signal; and
broadcasting a signal comprising the ranging signal and a position signal comprising a description of the position of the apparatus. - View Dependent Claims (16, 17, 18, 19, 20, 21)
-
-
22. Computer-readable media embodying instructions executable by a computer to perform a method comprising:
-
determining a position of an apparatus based on a plurality of broadcast signals received at the apparatus; and
causing the apparatus to broadcast a signal comprising a ranging signal comprising a known component of a television signal, and a position signal comprising a description of the position of the apparatus. - View Dependent Claims (23, 24, 25, 26, 27, 28)
-
Specification