Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
140 words
A radio controlled toy characterised by a first module comprising a television camera, means to receive radio control signals from a remote location, and means to transmit a video signal generated by said television camera to a remote location; a second module comprising controls that may be operated by a human operator to procuce encoded electrical signals for transmission; a third module comprising means to transmit a radio control signal containing said encoded electrical signals, and means to receive said video signal transmitted from said first module; means for displaying the signal received by said receiver in said third module; and a toy comprising means to mount said first module thereon, energy means to energize said first module, and servo-mechanisms operable by said means to receive radio control signals in said first module to provide for motion of said toy.
Claim 2
Dependent Claim
140 words
A radio controlled toy characterised by a first module comprising a television camera, means to receive radio control signals from a remote location, and means to transmit a video signal generated by said television camera to a remote location; a second module comprising controls that may be operated by a human operator to procuce encoded electrical signals for transmission; a third module comprising means to transmit a radio control signal containing said encoded electrical signals, and means to receive said video signal transmitted from said first module; means for displaying the signal received by said receiver in said third module; and a toy comprising means to mount said first module thereon, energy means to energize said first module, and servo-mechanisms operable by said means to receive radio control signals in said first module to provide for motion of said toy.
Claim 3
Dependent Claim
20 words
A toy as claimed in Claim 1, characterised in that said television camera incorporates a charge coupled device focal plane.
Claim 4
Dependent Claim
40 words
A toy as claimed in Claim 1 or Claim 2, characterised in that said means to transmit said video signal comprises an infrared emitter and transmitter, and said means to receive said video signal comprises an infrared detector and receiver.
Claim 5
Independent Claim
70 words
A system as claimed in any one of Claims 1 to 3, characterised in that said first module includes means to detect sound and convert said sound to an electrical signal; said means to transmit said video signal includes means to simultaneously tramsit said electrical signal corresponding to said sound; and said third module includes means to reproduce said sound corresponding to said electrical signals transmitted from said first module.
Claim 6
Dependent Claim
48 words
A toy as claimed in any preceding claim, characterised in that said means to transmit said video signal comprises a radio frequency modulation system in which discrete carrier frequencies are modulated by a predetermined code sequence for the purpose of spreading the transmission energy over a broad bandwidth.
Claim 7
Dependent Claim
26 words
A toy as claimed in Claim 5, characterised in that said modulation is by means of a biphase modulation (BPSK) code sequence of predetermined data rate.
Claim 8
Dependent Claim
22 words
A toy as claimed in Claim 6, characterised in that said predetermined data rate for said biphase modulation scheme is 18 Mbps.
Claim 9
Dependent Claim
20 words
A toy as claimed in any preceding claim, characterised in that said controls comprise hand controllers operating variable resistance circuits.
Claim 10
Dependent Claim
48 words
A toy as claimed in Claim 3, on any one of Claims 4 to 8 as dependent upon Claim 3, characterised in that said infrared transmitter includes means to modulate an infrared source and means to direct radiation from said source in an essentially horizontal, 360 degree pattern.
Claim 11
Dependent Claim
27 words
A toy as claimed in Claim 9, characteised in that said means to direct comprises an inverted, essentially cone-shaped reflector with the apex aimed at said source.
Claim 12
Dependent Claim
29 words
A toy as claimed in Claim 9 or Claim 10, characterised by means to prevent the impingement of radiation from an overhead source upon said infrared detector and receiver.
Claim 13
Dependent Claim
22 words
A toy as claimed in Claim 11, characterised by reflector means operable to reflect radiation impingement upon said receiver towards said detector.
Claim 14
Dependent Claim
52 words
A radio frequency transmission system characterised by generation of a plurality of discrete frequencies within a chosen frequency spectrum; generation of a coded sequence; selection of said discrete frequencies in time sequence according to said coded sequence; and modulation of each of said discrete frequencies in turn with information to be transmitted.
Claim 15
Dependent Claim
52 words
A radio frequency transmission system characterised by generation of a plurality of discrete frequencies within a chosen frequency spectrum; generation of a coded sequence; selection of said discrete frequencies in time sequence according to said coded sequence; and modulation of each of said discrete frequencies in turn with information to be transmitted.
Claim 16
Dependent Claim
21 words
A radio frequency transmission system as claimed in Claim 13, characterised by modulation of said discrete frequencies by biphase frequency modulation.