1. A disk drive suspension comprising a spring metal member having a base portion and a distal portion adapted to carry a slider, a first spring between said base and distal portions, said first spring being adapted to exert a predetermined gram load on said distal portion, a stiffener comprising a distal plate attached at said distal portion and having a width, said stiffener distal plate being free of attachment to said first spring, and a second spring comprising a spring connector traversing said first spring in distal plate fixed relation and free of attachment to said first spring, said spring connector width being about 3% to about 10% of said distal plate width, whereby movement of said metal member distal portion relative to said base portion controlled by said first spring is further controlled by said second spring spring connector as a function of said distal plate moving with said distal portion.
2. The disk drive suspension according to claim 1, in which at least a part of said spring metal member is laminated to an insulative plastic film.
3. The disk drive suspension according to claim 1, in which said distal plate and spring connector are integral parts of a common web.
4. The disk drive suspension according to claim 3, in which said common web has a thickness of about 0.003 to about 0.004 inch.
5. The disk drive suspension according to claim 3, in which said distal plate width adjacent said spring connector is about 0.150 to about 0.200 inch, said spring connector having a width of about 0.010 inch.
6. The disk drive suspension according to claim 5, in which said distal plate and said spring connector have the same thickness.
7. A disk drive suspension comprising a laminate of trace conductors, insulative film and a metal layer, said metal layer defining a spring metal member having a base portion adapted to mount on an actuator arm, and a distal portion adapted to carry a slider, and a first spring connecting said base and distal portions and adapted to exert a predetermined gram load on said distal portion, a stiffener comprising a distal plate free of attachment to said spring portion and attached at said distal portion, said distal plate having a width, and a second spring comprising a spring connector integral with said distal plate and traversing said spring portion free of attachment thereto, said spring connector having a width of about 3% to about 10% of said distal plate width, whereby movement of said metal member distal portion relative to said base portion controlled by said first spring is further controlled by said second spring spring connector as a function of said distal plate moving with said distal portion.
8. The disk drive suspension according to claim 7, in which said stiffener further comprises a base plate, said base plate, said distal plate and said spring connector are integral parts of a common web.
9. The disk drive suspension according to claim 8, in which said common web has a thickness of about 0.003 to about 0.004 inch.
10. The disk drive suspension according to claim 9, in which said distal plate width adjacent said spring connector is about 0.150 to about 0.200 inch, said spring connector having a width of about 0.010 inch.
11. The disk drive suspension according to claim 8, in which said base plate, said distal plate, and said spring connector have the same thickness.
12. The disk drive suspension according to claim 11, in which said spring metal member has a thickness of about 0.001 inch.
13. A disk drive suspension comprising a mount plate, a spring metal member having a base portion fixed to said mount plate, a distal portion adapted to carry a slider, and a first spring comprising a portion of said metal member between said base portion and said distal portion, said first spring being adapted to exert a gram load on said distal portion, and a stiffener comprising a distal plate attached to said distal portion, said distal plate having a width, and a second spring comprising a spring connector fixed between said mount plate and said distal plate, said connector traversing said first spring and free of attachment to said first spring, said spring connector having a width between about 3% to about 10% of said spring connector width, whereby movement of said distal portion relative to said based portion controlled by said first spring is further controlled by said spring connector connected between said mount plate and said distal plate in stiffening relation.
14. A disk drive suspension comprising a laminate of trace conductors, insulative film and a metal layer, said metal layer defining a spring metal member having a base portion adapted to mount on an actuator arm, a distal portion adapted to carry a slider, and a first spring comprising a spring portion of said metal member between said base and distal portions, said spring portion being adapted to exert a predetermined gram load on said distal portion, a stiffener comprising an integral web of spring metal, said stiffener comprising a base plate attached to said metal member at said base portion and distal plate attached at said distal portion, said stiffener base plate and distal plates each having given widths of about 0.150 to about 0.200 inch and each being free of attachment to said spring portion; and a second spring comprising a spring connector having a width of about 0.010 inch and integral with and fixed between said stiffener base plate and distal plate and of like thickness therewith, said connector traversing said spring portion and being free of attachment thereto, whereby movement of said metal member distal portion relative to said base portion controlled by said first spring spring portion is further controlled by said second spring spring connector attached between said base and distal plates as a function of said distal plate moving with said distal portion.
15. A method of controlling movement of a suspension distal portion, including cantilevering said distal portion from a suspension base portion by a first spring comprising a spring portion, and attaching a second spring that traverses said first spring in spaced, generally parallel relation supported by a stiffener distal plate, said second spring having a width of about 3% to about 10% of said distal plate to further control said distal portion movement relative to said base portion.
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. A communication system comprising:
a communication station that transmits data; and
a plurality of communication terminals each of which receives the data from the communication station and is capable of sending the communication station a request for retransmitting the data,
the communication station comprising
a synthesizer that, if the communication station receives the request for retransmitting first data from a first communication terminal that is one of the plurality of communication terminals, synthesizes second data as retransmission data of the first data and third data to thereby create synthesized data, the second data being destined for the first communication terminal, the third data being destined for a second communication terminal that is another one of the plurality of communication terminals, and
a transmitter that transmits the synthesized data created by the synthesizer using a single communication resource,
the second communication terminal comprising
a memory that stores the first data, and
a decoder that receives the synthesized data from the communication station and decodes the third data based on the synthesized data and the first data stored in the memory.
2. The communication system according to claim 1, wherein the synthesizer creates the synthesized data through vector synthesis on the retransmission data and the third data.
3. The communication system according to claim 1, wherein the first communication terminal comprises:
a memory that stores the first data, and
a decoder that receives the synthesized data from the communication station and decodes desired data through retransmission synthesis on the synthesized data and the first data stored in the memory.
4. The communication system according to claim 1, wherein the decoder in the second communication terminal decodes the third data by creating, based on the first data stored in the memory, replica data corresponding to the retransmission data included in the synthesized data and removing the replica data from the synthesized data.
5. The communication system according to claim 1, wherein the second communication terminal has a second reception quality higher than a first reception quality of the first communication terminal.
6. The communication system according to claim 1, wherein a first transmission electric power allocated to the retransmission data included in the synthesized data is set to be larger than a second transmission electric power allocated to the third data included in the synthesized data.
7. The communication system according to claim 1, wherein
the communication station instructs, before the communication station transmits data destined for the first communication terminal, the second communication terminal to receive and store the data destined for the first communication terminal from the communication station, and
the second terminal stores the data destined for the first communication terminal in response to the instruction from the communication station.
8. The communication system according to claim 1, wherein the communication station allocates, to the third data included in the synthesized data, a second transmission electric power lower than a first transmission electric power to be allocated to the retransmission data included in the synthesized data by a predetermined level.
9. The communication system according to claim 8, wherein the predetermined level is based on at least one of: a possible noise signal at each of the plurality of communication terminals; a propagation loss on a transmission path between the communication station and each of the plurality of communication terminals; an propagation environment between the communication station and each of the plurality of communication terminals; and a reception quality of each of the plurality of communication terminals.
10. A communication station used in a communication system comprising the communication station that transmits data and a plurality of communication terminals each of which receives the data from the communication station and is capable of sending the communication station a request for retransmitting the data, the communication station comprising:
a synthesizer that, if the communication station receives the request from a first communication terminal that is one of the plurality of communication terminals, synthesizes retransmission data destined for the first communication terminal and data destined for a second communication terminal that is another one of the plurality of communication terminals to thereby create synthesized data;
a controller that allocates, to the data destined for the second terminal included in the synthesized data, a second transmission electric power lower than a first transmission electric power to be allocated to the retransmission data included in the synthesized data by a predetermined level; and
a transmitter that transmits the synthesized data created by the synthesizer using a single communication resource.
11. The communication station according to claim 10, wherein the synthesizer creates the synthesized data through vector synthesis on the retransmission data and the data destined for the second communication terminal.
12. A method for communication in a communication system including a communication station that transmits data; and a plurality of communication terminals each of which receives the data from the communication station and is capable of sending the communication station a request for retransmitting the data, the method comprising:
upon receipt of the request from a first communication terminal that is one of the plurality of communication terminals,
synthesizing retransmission data destined for the first communication terminal and data destined for a second communication terminal that is another one of the plurality of communication terminals to thereby create synthesized data;
allocating, to the data destined for the second terminal included in the synthesized data, a second transmission electric power lower than a first transmission electric power to be allocated to the retransmission data included in the synthesized data by a predetermined level; and
transmitting the synthesized data using a single communication resource.
13. A method for communication in a communication system including a communication station that transmits data; and a plurality of communication terminals each of which receives the data from the communication station and is capable of sending the communication station a request for retransmitting the data, the method comprising:
storing first data for which the request is sent;
receiving synthesized data created by the communication station through synthesizing second data as retransmission data of the first data and third data, the second data being destined for a first communication terminal that is one of the plurality of the communication terminals, the third data being destined for a second communication terminal that is another one of the plurality of communication terminals; and
decoding the third data based on the synthesized data and the first data stored in the memory.