1. A golf ball having an outer surface with a plurality of dimples formed therein, the dimples being arranged by dividing the outer surface into eight major spherical triangles, each of the eight major spherical triangles being subdivided into first and second zones, the dimples being arranged according to a first dimple placement scheme in the first zone and according to a second dimple placement scheme in the second zone, wherein the first and second dimple placement schemes are mutually distinct.
2. The golf ball of claim 1, wherein each of the major spherical triangles is substantially identical.
3. The golf ball of claim 1, further comprising poles and an equator, and wherein each major spherical triangle extends from one of the poles to the equator.
4. The golf ball of claim 1, wherein the first zone is a minor spherical triangle and the second zone is a spherical trapezoid.
5. The golf ball of claim 4, wherein four adjacent minor spherical triangles comprise a single distinct region on the ball surface, the region having a common dimple placement scheme throughout.
6. The golf ball of claim 5, wherein the dimple placement scheme within the region includes a subdivision of the region by a plurality of great circle arcs upon which no dimples are formed.
7. The golf ball of claim 4, wherein the eight spherical trapezoids define a single distinct region on the ball surface, the region having a common dimple placement scheme throughout.
8. The golf ball of claim 7, wherein the region is subdivided by a single great circle located at a parting line and upon which no dimples are formed.
9. The golf ball of claim 7, wherein the region cannot be subdivided by an arc of a great circle upon which no dimples are formed.
10. The golf ball of claim 4, further comprising poles and an equator, and wherein:
a first set of four adjacent minor spherical triangles comprise a first distinct region on the ball surface about one of the poles, the first region having a common dimple placement scheme throughout;
the eight spherical trapezoids define a second distinct region on the ball surface about the equator, the second region having a common dimple placement scheme throughout; and
a second set of four adjacent minor spherical triangles comprise a third distinct region on the ball surface about the other of the poles, the third region having a common dimple placement scheme throughout.
11. The golf ball of claim 10, wherein the dimple placement schemes of the first and third regions are the same and are distinct from the dimple placement scheme of the second region.
12. The golf ball of claim 1, wherein the first dimple placement scheme comprises an octahedron-based dimple pattern, and the second dimple placement scheme comprises a icosahedron-based dimple pattern.
13. The golf ball of claim 1, wherein the dimples are arranged such that there are a plurality of great circle arcs upon which no dimples are formed, but there is no great circle that does not correspond to a parting line upon which no dimples are formed.
14. The golf ball of claim 13, further comprising two poles and an equator, and wherein each of the arcs extends from a selected one of the poles toward the equator and terminates at a point between the selected pole and the equator.
15. The golf ball of claim 1, wherein the dimples are of eight different sizes.
16. The golf ball of claim 15, wherein the dimples within the first zones comprise five dimple sizes and the dimples within the second zones comprise three dimple sizes.
17. The golf ball of claim 1, wherein there are 388 dimples.
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 temperature detection circuit of a semiconductor memory apparatus comprising:
a temperature variable signal generating unit configured to enable a temperature variable signal when an enable signal is enabled, and to charge a capacitor, and to discharge the capacitor when a voltage level of the capacitor is increased to above a reference voltage level, and to disable the temperature variable signal when the voltage level of the capacitor is decreased to below the reference voltage level; and
a counting unit configured to count an oscillator signal during an enable interval of the temperature variable signal to generate a temperature information signal.
2. The temperature detection circuit of claim 1, wherein the temperature information signal includes a mufti-bit code.
3. The temperature detection circuit of claim 2, wherein the temperature variable signal generating unit includes:
a charging unit configured to apply an external voltage to the capacitor to charge the capacitor when the enable signal is enabled; and
a discharging unit configured to discharge the capacitor when the voltage level of the capacitor is increased to above the reference voltage level, and
the temperature variable signal generating unit is configured to enable the temperature variable signal when the enable signal is enabled, and to disable the temperature variable signal when the voltage level of the capacitor is decreased to below the reference voltage level.
4. The temperature detection circuit of claim 3, wherein the discharging unit includes:
a first transistor configured to have a gate and a drain commonly coupled to the capacitor;
a second transistor configured to have a gate and a drain commonly coupled to a source of the first transistor, and a source coupled to a ground terminal; and
a discharge control unit configured to increase a voltage level of a node to which the first and second transistors are commonly coupled, when the voltage level of the capacitor is decreased to below the reference voltage level.
5. The temperature detection circuit of claim 4, wherein the first and second transistors are configured to increase an amount of current flowing from the capacitor to the ground terminal as the temperature goes up, and to decrease the amount of current flowing from the capacitor to the ground terminal as the temperature goes down.