1. An optical information recording medium comprising a ROM area in which pre-pits are arranged in a line in advance, wherein a groove having a depth smaller than a depth of the pre-pits is formed between the pre-pits, and wherein the groove has a width at junction parts of the groove and the pre-pits smaller than a width of a part of the groove other than the junction part.
2. The optical information recording medium according to claim 1, wherein the following relationships are satisfied:
\xbd Wg\u2266Wpg<Wg; and Wpg<Wp
where Wp, Wpg and Wg represent a width of the pre-pit, the width of the groove at the junction parts, and the width of the other part of the groove other than the junction parts, respectively.
3. An optical information recording medium comprising a ROM area in which pre-pits are arranged in a line in advance, wherein a groove having a depth smaller than a depth of the pre-pits is formed between the pre-pits, and wherein the groove has a depth at junction parts of the groove and the pre-pits smaller than a depth of a part of the groove other than the junction parts.
4. The optical information recording medium according to claim 3, wherein the following relationship is satisfied:
\xbd Dg\u2266Dpg<Dg
where Dpg represents the depth of the groove at the junction parts, and Dg represents the depth of the other part of the groove.
5. An optical information recording medium comprising a substrate, a ROM area which is formed on the substrate and in which pre-pits are arranged in a line in advance and a recordable area which is formed on the substrate and in which a guiding groove is arranged, the pre-pits and the guiding groove wobbling in a radius direction of a substrate, wherein a groove having a depth smaller than a depth of the pre-pits is formed between the pre-pits, and the groove between said pre-pits has a wobbling amount greater than a wobbling amount of the pre-pits.
6. An optical information recording medium comprising a ROM area in which pre-pits are arranged in a line in advance and a recordable area in which a guiding groove is arranged, wherein a pit having a depth not greater than a depth of the pre-pits is formed between the pre-pits.
7. The optical information recording medium according to claim 6, wherein the pit is connected to two of the pre-pits.
8. The optical information recording medium according to claim 6, wherein the depth of the pit is equal to the depth of the guiding groove.
9. The optical information recording medium according to claim 6, wherein the pit has a width not greater than a width of the guiding groove.
10. An optical information recording medium comprising a substrate, a ROM area which is formed on the substrate and in which pre-pits are arranged in a line in advance and a recordable area which is formed on the substrate and in which a guiding groove is arranged, the pre-pits and the guiding groove wobbling in the radial direction of the substrate, wherein a pit having a depth smaller than a depth of the pre-pits is formed between the pre-pits, and the pit has a wobbling amount greater than a wobbling amount of the pre-pits.
11. An optical information recording medium comprising a substrate, a ROM area which is formed on the substrate and in which pre-pits are arranged in a line in advance and a recordable RAM area which is formed on the substrate and in which a pre-groove is arranged, a recording layer located overlying the substrate, a reflection layer located overlying the recording layer, and a protection layer located overlying the reflection layer, wherein a groove is formed between the pre-pits along the line of the pre-pits, and a projection portion is formed in a height direction of the substrate at junction parts of the pre-pits and the groove.
12. The optical information recording medium according to claim 11, wherein the recording layer is a dye layer.
13. The optical information recording medium according to claim 11, wherein the following relationship is satisfied:
HgHp>0.08
wherein Hp represents a height from a bottom of the pre-pits to a top of the projection part, and Hg represents a height from a bottom of the groove to the top of the projection part.
14. The optical information recording medium according to claim 13, wherein the following relationship is satisfied:
LbgLbp>0.75
wherein Lbp represents a track-direction length of the bottom of the pre-pits of a 3T pit, and Lbg represents a track-direction length of the bottom of the groove between the pre-pits of a 3T land.
15. The optical information recording medium according to claim 11, wherein said projection part has a steep-edged shape.
16. An optical information recording medium comprising a ROM area in which pre-pits are arranged in a line in advance and a recordable area in which a guiding groove is arranged, wherein a pit having a depth not greater than a depth of the pre-pits is formed between the pre-pits, and wherein a shallow groove is present between two deep pre-pits.
17. The optical information recording medium according to claim 16, wherein the pit is connected to two of the pre-pits.
18. The optical information recording medium according to claim 16, wherein the depth of the pit is equal to the depth of the guiding groove.
19. The optical information recording medium according to claim 6, wherein the pit has a width not greater than a width of the guiding groove.
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 ball turret assembly for supporting a camera, comprising:
a first shaft rotatable about a first axis relative to a first fixed point, the first shaft having an axially-extending interior region in communication with an exterior of the first shaft by way of a first exit port;
a first guide disposed at least partially circumferentially on the first shaft proximally to the first exit port; and
a cable extending along the interior region of the first shaft and exiting the first shaft at the first exit port, the cable looping at least partially around the first shaft and affixed at the first fixed point.
2. The ball turret assembly of claim 1, wherein rotation of the first shaft imparts roll motion to the camera.
3. The ball turret assembly of claim 4, further including a fairing into which the first shaft extends, the first fixed point being fixed relative to the fairing.
4. The ball turret assembly of claim 1, wherein the first shaft is configured to rotate less that 360 degrees.
5. The ball turret assembly of claim 1, wherein the first shaft is configured to rotate about 270 degrees.
6. The ball turret assembly of claim 1, wherein rotation of the first shaft imparts tilt motion to the camera.
7. The ball turret assembly of claim 6, further including a ball turret housing the camera, the first shaft being rotatable relative to the ball turret, the first fixed point being fixed relative to the ball turret.
8. The ball turret assembly of claim 6, wherein the first shaft is configured to rotate less than 135 degrees.
9. The ball turret assembly of claim 1, further comprising:
a second shaft rotatable about a second axis relative to a second fixed point, the second shaft having an axially-extending interior region in communication with an exterior of the second shaft by way of a second exit port; and
a second guide disposed at least partially circumferentially on the second shaft proximally to the second exit port,
wherein the cable extends along the interior region of the second shaft and exits the second shaft at the second exit port, the cable looping at least partially around the second shaft and affixed at the second fixed point.
10. The ball turret assembly of claim 9, further comprising a yoke supporting one of the shafts, the cable passing along an interior portion of the yoke.