1. A height adjusting device for a vehicle suspension seat, comprising:
a control valve having an air injection pin and an air discharge pin formed therein;
a first push support having one end rotatably coupled to the control valve and pressurizing the air injection pin when rotated in a first direction;
a second push support having one end rotatably coupled to the control vale, pressurizing the air discharge pin when rotated in a second direction, and disposed to correspond to the first push support;
a first push rod pressurizing the other end of the first push support so as to rotate the first push support; and
a second push rod pressurizing the other end of the second push support so as to rotate the second push support, and disposed to correspond to the first push rod.
2. The height adjusting device of claim 1, wherein the first push support is formed in U-shape, one end of which is rotatably coupled to the control valve such that an inner surface of the first push support is contacted with the air injection pin, and the other end of which is bent in a horizontal direction.
3. The height adjusting device of claim 1, wherein the second push support is formed in U-shape, one end of which is rotatably coupled to the control valve such that an inner surface of the second push support is contacted with the air discharge pin, and the other end of which is bent in a horizontal direction.
4. The height adjusting device of claim 1, further comprising an arm rod rotated by an operation of a height adjusting lever,
wherein the first and second push rods are coupled to a rotating shaft of the arm rod and rotated together when the arm rod is rotated.
5. The height adjusting device of claim 4, further comprising an arm rod spring coupled to the rotating shaft of the arm rod and elastically supporting the first and second push rods with respect to the rotation direction.
6. The height adjusting device of claim 4, further comprising a restoring spring coupled to one side of the arm rod so as to provide a restoring force when the arm rod is rotated.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. Radio frequency communications apparatus adapted to receive and decode holographically encoded signals arriving over multiple propagation paths.
2. The apparatus of claim 1, wherein said decoding comprises performing a mathematical inverse transform on said holographically encoded signals, and decoding using a phase code to produce baseband data.
3. The apparatus of claim 2, wherein said apparatus is further adapted to generate a power spectrum.
4. The apparatus of claim 3, wherein said apparatus is further adapted to filter said baseband data based at least in part on said power spectrum.
5. The apparatus of claim 3, wherein said apparatus is further adapted to combine at least two portions of said baseband data based at least in part on said power spectrum.
6. The apparatus of claim 5, wherein said apparatus is further adapted to transmit a gain control signal to a transmitter based at least in part on said act of combining.
7. The apparatus of claim 3, wherein said apparatus is further adapted to selectively choose between filtration or addition of at least a portion of said baseband data based at least in part on said power spectrum.
8. The apparatus of claim 3, wherein said apparatus is further adapted to transmit information used to alter the transmission frequency of said encoded signals based at least in part on said power spectrum.
9. The apparatus of claim 3, wherein said apparatus is further adapted to transmit information used to alter the modulation scheme of a transmitter transmitting said encoded signals.
10. The apparatus of claim 9, wherein said alteration of said modulation scheme comprises using an absolute value modulation.
11. The apparatus of claim 3, wherein said apparatus-is further adapted to detect signals modulated with an incoherent modulus.
12. The apparatus of claim 3, wherein said encoded signals are encoded with a known reference signal, and said apparatus is further adapted to identify said known reference signal.
13. The apparatus of claim 12, wherein said apparatus is further adapted apply inverse filtration to said encoded signals based at least in part on said known reference signal.
14. Multipath-resistant holographic communications receiver apparatus, comprising:
processing apparatus adapted to process data;
receiver apparatus adapted to receive signals;
wherein said processing apparatus is configured to, after reception by said receiver apparatus:
mathematically inverse transform said signals to produce phase-coded signals;
phase-decode said phase-coded signals to produce baseband data;
generate a power spectrum of said baseband data, said power spectrum being used to selectively reduce the sensitivity of said apparatus to multipath propagation.
15. The apparatus of claim 14, wherein said power spectrum is used to selectively filter at least one signal corresponding to a propagation path which is not the primary mode.
16. The apparatus of claim 14, wherein said power spectrum is used to selectively combine at least one signal corresponding to a propagation path which is not the primary mode, and said primary mode.
17. A method of processing multipath signals in a holographic waveform receiver, comprising:
receiving holographically encoded waveforms;
inverse-transforming said waveforms;
phase decoding said inverse-transformed waveforms to produce baseband data;
forming a power spectrum from said baseband data; and
utilizing said power spectrum to selectively process said multipath signals.
18. The method of claim 17, wherein said selective processing comprises selectively filtering one or more of said multipath signals.
19. The method of claim 17, wherein said selective processing comprises selectively combining two or more of said multipath signals.
20. The method of claim 17, wherein said selective processing comprises identifying at least one known artifact resident within said baseband data, and utilizing said artifact to selectively filter at least portions of said signals.