What is claimed is:
1. A semiconductor integrated circuit device, comprising:
a power control circuit; and
a plurality of circuit blocks, wherein each of said plurality of circuit blocks has a plurality of states including at least a first state and a second state, further wherein each of said plurality of circuit blocks works in accordance with its function in said first state and rests in said second state, further wherein said power control circuit determines the operation of each of said plurality of circuit blocks so as not to exceed a maximum power consumption of said semiconductor integrated circuit device.
2. The semiconductor integrated circuit device of claim 1, wherein said power control circuit determines the state of at least one of said plurality of circuit blocks according to the power consumption in said first state and the power consumption required in a transition to said first state.
3. The semiconductor integrated circuit device of claim 1, further comprising:
a main circuit whose power is not controlled by said power control circuit, wherein said power control circuit, upon receiving a request for accessing one of said plurality of circuit blocks from said main circuit and determining to enable said access to said one circuit block, outputs an enable signal to said main circuit, further wherein said one circuit block makes a transition to said first state.
4. The semiconductor integrated circuit device of claim 1, wherein said plurality of circuit blocks further comprise:
a first circuit block; and
a second circuit block privileged to access said first circuit block, wherein said power control circuit, upon receiving a request for accessing said first circuit block from said second circuit block and determining to enable said access to said first circuit block, outputs an enable signal to the second circuit, so that said second circuit block makes a transition to said first state.
5. The semiconductor integrated circuit device of claim 1, wherein said power control circuit and said plurality of circuit blocks are housed in a single package.
6. The semiconductor integrated circuit device of claim 1, wherein said power control circuit and said plurality of circuit blocks are integrated on a single semiconductor substrate.
7. The semiconductor integrated circuit device of claim 1, wherein at least one of said plurality of circuit blocks further comprises:
a leakage current control circuit for controlling power consumption by a leakage current; and
a chargingdischarging power control circuit for controlling power consumption by chargingdischarging of a load, wherein power consumption of said at least one circuit block is controlled in accordance with the state of said at least one circuit block by said leakage current control circuit and said chargingdischarging power control circuit.
8. The semiconductor integrated circuit device of claim 7, further comprising:
a clock distribution system, wherein said chargingdischarging power control circuit of said at least one circuit block controls power consumption by chargingdischarging of a load, by controlling the clock frequency distributed to said at least one circuit block.
9. The semiconductor integrated circuit device of claim 1, further comprising:
a non-volatile memory, wherein said maximum power consumption is stored in said non-volatile memory.
10. The semiconductor integrated circuit device of claim 1, wherein each of said plurality of circuit blocks is configured by a MOS transistor whose threshold voltage is 0.2V or less.
11. The semiconductor integrated circuit device of claim 1, wherein each of said plurality of circuit blocks is configured by a MOS transistor whose gate oxide thickness is 4 nm or less.
12. The semiconductor integrated circuit device of claim 1, further comprising:
a state transition limiting circuit for limiting the state transition frequency of at least one of said plurality of circuit blocks under a predetermined value.
13. A semiconductor integrated circuit device, comprising:
a first circuit block having a plurality of states with different power consumption values;
a second circuit block privileged to access said first circuit block; and
a power control circuit, wherein said second circuit block is adapted to issue a request for accessing said first circuit block to said power control circuit, further wherein said power control circuit is adapted to determine whether to enable said access to said first circuit block according to a predetermined maximum power consumption, and further wherein said second circuit block is adapted to access said first circuit block when said power control circuit enables said access to said first circuit block.
14. The semiconductor integrated circuit device of claim 13, wherein said first circuit block comprises:
a leakage current control circuit for controlling power consumption by a leakage current; and
a chargingdischarging power control circuit for controlling power consumption by chargingdischarging of a load, wherein said plurality of states of said first circuit block include a state in which either power consumption by said leakage current or power consumption by chargingdischarging of said load in said first circuit block is limited.
15. The semiconductor integrated circuit device of claim 13, wherein said power control circuit, when enabling said access to said first circuit block, outputs a signal for enabling said access to said first circuit block to said second circuit block.
16. The semiconductor integrated circuit device of claim 13, wherein said power control circuit determines whether to enable said access to said first circuit block according to the power consumption required for said first circuit block to work in accordance with its function and the power consumption required for said first circuit block to make a transition to a state for enabling an access from said second circuit block.
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 shooting target apparatus comprising:
a coil spring supported in a position extending along and coiling around a linear axis with open space between adjacent coils of the coil spring; and
a spinning target comprising:
a sleeve disposed externally and rotatably around the coil spring, and comprising a guide feature reaching radially inward from the sleeve into the open space of the coil spring in a condition slidable along the adjacent coils of the spring within said open space; and
at least one arm that has a respective proximal end connected to the sleeve and extends away therefrom to a respective target plate carried on said arm;
whereby impact of the respective target plate by a projectile rotates the sleeve about the axis in a respective rotational direction, which causes translation of the sleeve along the axis in a respective translational direction due to cooperation between the coil spring and the guide feature on the sleeve.
2. The apparatus of claim 1 wherein the guide feature comprises at least one guide stud projecting radially inwardly from the sleeve.
4. The apparatus of claim 2 wherein the guide stud is defined by a guide member reaching into an interior of the sleeve through a radial bore of the sleeve.
5. The apparatus of claim 2 wherein the guide stud and the radial bore are matingly threaded.
6. The apparatus of claim 1 comprising a shaft passing axially through the coil spring and spaced radially inward therefrom in a stationarily held, non-rotatable position, whereby the coil spring coils around a partial length of the shaft with a clearance space present between the shaft and the coil spring.
7. The apparatus of claim 6 comprising a pair of stops fastened to the shaft at respective positions therealong with the coil spring disposed between said pair of stops.
8. The apparatus of claim 6 wherein ends of the coil spring are held in fixed relation to the shaft.
9. The apparatus of claim 7 wherein ends of the the coil spring are respectively attached to the stops in fixed relation thereto, and the stops are held in fixed relation to the shaft.
10. The apparatus of claim 7 wherein an outer radius of each stop measured from the axis exceeds an outer radius of the coil spring in order to block movement of the sleeve past either stop.
11. The apparatus of claim 6 comprising a first support and a second support each having a lower end for placement on a ground surface in order to stand said supports in upright positions placing upper ends of said supports at an elevation spaced above said ground surface, wherein opposing ends of the shaft are connected or connectable to the first and second supports at a distance spaced from the lower ends thereof so as to span between said first and second supports in a stationary, non-rotatable position at a height above said ground surface and thereby carry the coil spring at said height as part of a cross-member spanning between the first and second supports.
12. The apparatus of claim 1 wherein the at least one arm comprises first and second arms extending from the sleeve in generally opposing directions.
13. The apparatus of claim 1 wherein the spring is held in a non-rotatable condition.
14. A screw mechanism comprising a coil spring supported in a position extending along and coiling around a linear axis with open space between adjacent coils of the coil spring; and a sleeve disposed externally and rotatably around the coil spring, and comprising a guide feature reaching radially inward from the sleeve into the open space of the coil spring in a condition slidable along the adjacent coils of the spring within said open space, whereby rotation of the sleeve about the axis in a either rotational direction causes translation of the sleeve along the axis in a respective translational direction due to cooperation between the coil spring and the guide feature on the sleeve.
15. The screw mechanism of claim 14 wherein the guide feature comprises at least one guide stud projecting radially inwardly from the sleeve.
16. The apparatus of claim 15 wherein the guide stud is defined by a guide member reaching into an interior of the sleeve through a radial bore of the sleeve.
17. The apparatus of claim 16 wherein the guide stud and the radial bore are matingly threaded.
18. The mechanism of claim 14 wherein the spring is held in a non-rotatable condition.
19. The mechanism of claim 14 comprising a shaft passing axially through the coil spring and spaced radially inward therefrom in a stationarily held, non-rotatable position, whereby the coil spring coils around a partial length of the shaft with a clearance space present between the shaft and the coil spring.
20. A shooting target apparatus comprising:
a coil spring supported in a non-rotatable, radially deflectable position extending along and coiling around a linear axis with open space between adjacent coils of the coil spring; and
a spinning target comprising:
a sleeve disposed externally and rotatably around the coil spring, and comprising a guide feature reaching radially inward from the sleeve into the open space of the coil spring in a condition slidable along the adjacent coils of the spring within said open space; and
at least one arm that has a respective proximal end connected to the sleeve and extends away therefrom to a respective target plate carried on said arm;
whereby impact of the respective target plate by a projectile rotates the sleeve about the axis in a respective rotational direction, which causes translation of the sleeve along the axis in a respective translational direction due to cooperation between the coil spring and the guide feature on the sleeve.