What is claim is:
1. A CDMA receiving device comprising:
a receiving unit for receiving a spread signal;
an equalizing unit for equalizing the received signal;
a despreading unit for despreading the received signal; and
a controlling signal adjusting unit for adjusting a signal obtained from the despread signal to a spread type controlling signal to be supplied to the equalizing unit.
2. A CDMA receiving device comprising:
a receiving unit for receiving a spread signal;
an interference compensation unit for performing interference compensation on the received signal;
a despreading unit for despreading the received signal; and
a controlling signal adjusting unit for adjusting a signal obtained from the despread signal to a spread type controlling signal to be supplied to the interference compensation unit.
3. A CDMA receiving device comprising:
a receiving unit for receiving a spread signal;
a despreading unit for despreading the received signal;
an equalizing unit for equalizing the despread signal; and
a spreading unit for spreading amplitude information and error information of the equalized signal;
wherein the spread amplitude information and error information are used as controlling signals in the equalizing unit.
4. A CDMA receiving device comprising:
a receiving unit for receiving a spread signal;
a despreading unit for despreading the received signal;
an interference compensation unit for performing interference compensation on the despread signal; and
a spreading unit for spreading amplitude information and error information outputted of the compensated signal;
wherein the spread amplitude information and error information are used as controlling signals in the interference compensation unit.
5. A CDMA receiving device comprising:
a receiving unit for receiving a spread signal;
an equalizing unit for equalizing the received signal;
a despreading unit for despreading the equalized signal; and
a spreading unit for spreading amplitude information and error information of the despread signal;
wherein the spread amplitude information and error information are used as controlling signals in the equalizing unit.
6. A CDMA receiving device comprising:
a receiving unit for receiving a spread signal;
an interference compensation unit for performing interference compensation on the received signal;
a despreading unit for despreading the compensated signal; and
a spreading unit for spreading amplitude information and error information of the despread signal;
wherein the spread amplitude information and error information are used as controlling signals in the interference compensation unit.
7. A CDMA receiving device comprising:
a receiving unit for receiving a spread signal;
an equalizing unit for equalizing the received signal;
a despreading unit for despreading the equalized signal; and
a spreading unit for spreading error information of the despread signal;
wherein the spread error information and amplitude information inputted to the equalizing unit are used as controlling signals in the equalizing unit.
8. A CDMA receiving device comprising:
a receiving unit for receiving a spread signal;
an interference compensation unit for performing interference compensation on the received signal;
a despreading unit for despreading the compensated signal; and
a spreading unit for spreading error information of the despread signal;
wherein the spread error information and amplitude information inputted to the interference compensation unit are used as controlling signals in the interference compensation unit.
9. A CDMA receiving device comprising:
a receiving unit for receiving a spread signal;
a signal processing unit for performing signal processing on the received signal;
a despreading unit for despreading the received signal; and
a controlling signal adjusting unit for adjusting a signal obtained from the despread signal to a spread type controlling signal to be supplied to the signal processing unit.
10. A CDMA receiving method comprising the steps of:
receiving a spread signal;
performing signal processing and despreading on the received signal; and
adjusting a signal obtained from a despread signal obtained at the despreading step to a spread type controlling signal to be supplied for the signal processing.
11. A CDMA receiving device comprising:
a receiving unit for receiving a spread signal;
a despreading unit for despreading the received signal;
an equalizing unit for equalizing the despread signal; and
a spreading unit for spreading amplitude information of an input signal to the equalizing unit and error information of an output signal from the equalizing unit;
wherein the spread amplitude information and error information are used as controlling signals in the equalizing unit.
12. A CDMA receiving device comprising:
a receiving unit for receiving a spread signal;
a signal processing unit for performing signal processing on the received signal;
a despreading unit for despreading the received signal; and
a controlling signal adjusting unit for adjusting a signal obtained from the despread signal to a spread type controlling signal to be supplied to the signal processing unit.
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. An apparatus for adjusting tension in a harrowing chain, said apparatus comprising:
an accumulator that absorbs energy;
a cylinder that acts as shock absorber for the apparatus; and
a lock valve, wherein the lock valve holds a preset pressure on the cylinder to maintain tension on the harrowing chain,
wherein the accumulator, the cylinder, and the lock valve act as a spring assembly to adjust tension in the harrowing chain.
2. The apparatus of claim 1, wherein the cylinder contracts to cut out a link in the harrowing chain.
3. The apparatus of claim 1, wherein when a frame associated with the harrowing chain is folded the cylinder retracts to slack the harrowing chain.
4. An apparatus for adjusting tension in a harrowing chain, said apparatus comprising:
a harrowing chain having a first end; and
a tension adjustment assembly, comprising:
a pivot assembly having a first end coupled to the first end of the harrowing chain, the pivot assembly configured to rotate about a pivot support coupled to a frame.
5. The apparatus of claim 4, further comprising:
a threaded rod;
a compression member; and
a compression adjustment nut, wherein the compression adjustment nut is configured to rotate to move the compression member generally horizontally along the threaded rod.
6. The apparatus of claim 5, the compression member further comprising:
a lock tab to ensure generally horizontal movement of the compression member.
7. The apparatus of claim 4, further comprising:
a first spring configured to apply a spring force to the pivot assembly.
8. The apparatus of claim 5, further comprising:
a spring-preset bar configured to join the compression member to the pivot assembly in a first orientation.
9. The apparatus of claim 8, wherein the spring-preset bar is removable and removing the spring-preset bar separates the compression member from the pivot assembly, the spring-preset bar being further configured to reattach to the tension adjustment assembly in a second orientation.
10. The apparatus of claim 8, wherein the spring-preset bar is securable to a pair of tabs coupled to the pivot assembly.
11. An agricultural implement, said agricultural implement comprising:
a frame having at least one saddle, each of the saddles having a V-shaped configuration with a cradle portion; and
at least one exterior harrowing chain, each exterior harrowing chain having an end coupled to a tension adjustment assembly, each tension adjustment assembly coupled to the frame,
wherein the at least one saddle is configured to support at least one exterior harrowing chain within the V-shaped portion such that the at least one exterior harrowing chain will not slip off the frame during transport of the frame.
12. The agricultural implement of claim 11, wherein the at least one saddle is coupled to the frame.
13. The agricultural implement of claim 12, the frame having a front end, a rear end, a left side, and a right side.
14. The agricultural implement of claim 13, wherein said at least one saddle is coupled to the frame at four positions: generally adjacent the front end and the right side, generally adjacent the front end and the left side, generally adjacent the rear end and the right side, and generally adjacent the rear end and the left side.
15. The agricultural implement of claim 11, wherein the at least one exterior harrowing chain swings up and lays within the cradle portion of the at least one saddle when the frame is folded for transport.
16. An agricultural implement, said agricultural implement comprising:
a plurality of harrowing chains, each harrowing chain having a plurality of harrow disks and a chain having a plurality of links, each harrow disk being coupled to a link of the plurality of links and extending generally outwardly therefrom; and
wherein at least one of the plurality of harrowing chains is an exterior harrowing chain, each of the exterior harrowing chains having a lift arm including a threaded adjustment configured to adjust and control the height of a flap that holds the exterior harrowing chain.
17. The agricultural implement of claim 16, wherein the flap is raised using the threaded adjustment to reduce digging of the harrow disks into the ground surface.