1. An apparatus for providing selectively-colored light, consisting of:
a circuit including
a plurality of diodes each including an anode and a cathode, wherein the plurality of diodes include
a first diode that emits a first light defined by a first wavelength,
a second diode that emits a second light defined by a second wavelength, and
a third diode that emits a third light defined by a third wavelength, wherein a summation of one or more of the first, second and third light defines a selectively-colored light; and
a controller including
a first output connected to
the anode of the first diode, and
the cathode of the second diode,
a second output connected to
the cathode of the first diode,
the anode of the second diode, and
the anode of the third diode, and
a third output connected to
the cathode of the third diode.
2. The apparatus according to claim 1, wherein each of the first, second, and third wavelengths are unique and inclusive to the visible spectrum approximately ranging between 700 nm and 400 nm.
3. The apparatus according to claim 2, wherein the first diode is a red diode that emits visible red light, wherein the second diode is a green diode that emits visible green light, wherein the third diode is a blue diode that emits visible blue light.
4. The apparatus according to claim 3, wherein the plurality of diodes includes a fourth diode, wherein the second output is connected to the cathode of the fourth diode, wherein the third output is connected to the anode of the fourth diode.
5. The apparatus according to claim 4, wherein the fourth diode emits light selected from the group consisting of white light, ultraviolet light or infrared light.
6. The apparatus according to claim 4 further comprising
a first resistor disposed between the cathode of the first diode and the second output of the controller,
a second resistor disposed between the anode of the second diode and the second output of the controller,
a third resistor disposed between the anode of the third diode and the second output of the controller, and
a fourth resistor disposed between the anode of the fourth diode and the second output of the controller.
7. The apparatus according to claim 4, wherein the white diode comprises a blue diode covered with a yellowish phosphor coating.
8. The apparatus according to claim 1, wherein the circuit is interfaced with a vehicle, wherein the selectively-colored light is emitted from within a passenger compartment area of the vehicle andor exterior the passenger compartment area of the vehicle.
9. A method for providing selectively-colored light from the circuit recited in claim 1, comprising the steps of:
providing a diode control signal to the second output of the controller; and
permitting an emission of light from one or more of the diodes depending on
a low or high state of the control signal, and
a high state of a diode activation signal sent to one or more of the first and third outputs.
10. The method according to claim 9, wherein the control signal is a pulse width modulation (PWM) signal.
11. The method according to claim 10, wherein the duty cycle of the PWM signal is approximately 50%.
12. A method for providing selectively-colored light from a circuit including a controller having first, second and third outputs, said method comprising the steps of:
connecting the first output of the controller to an anode of a first diode and a cathode of a second diode;
connecting the second output of the controller to a cathode of the first diode and an anode of the second diode and an anode of a third diode; and
connecting the third output of the controller to a cathode of the third diode.
13. The method according to claims 12 further comprising the steps of:
providing a diode onoff control signal to the second output of the controller;
providing a diode activation signal to each of the first and third outputs; and
emitting light from one or more of the diodes to provide a saturated or unsaturated light.
14. The method according to claim 13, wherein the onoff control signal is a pulse width modulation (PWM) signal.
15. The method according to claim 14, wherein the duty cycle of the PWM signal is approximately 50%.
16. The method according to claim 14, wherein light emitted from the first diode is permitted to occur during the first half of the period of the PWM signal, wherein light emitted from each of the second and third diodes is permitting to occur during the second half of the period of the PWM signal.
17. The method according to claim 15 further comprising the step of
connecting the second output of the controller to a cathode of a fourth diode; and
connecting the third output of the controller to an anode of the fourth diode.
18. The method according to claim 17, wherein light emitted from the fourth diode is permitted to occur during the first half of the period of the PWM signal.
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 disk apparatus for reproducing information data recorded in an optical disk, comprising:
signal level detect means for rotating an optical disk loaded into the disk apparatus at a given number of rotations and turning on a focus servo in the off state of a tracking servo to detect the amplitude of an RF signal read out from the optical disk by an optical pickup at every given time intervals;
first determining means for determining whether the maximum value of the amplitude of an RF signal detected by the signal level detect means is equal to or larger than a first reference level and the minimum value of the detected amplitude of the RF signal is equal to or smaller than a second reference level or not;
counting means, when the first determining means determines that the maximum value of the amplitude of the RF signal detected by the signal level detect means is equal to or larger than the first reference level and the minimum value of the detected amplitude of the RF signal is equal to or smaller than the second reference level, for counting the number of RF signals the amplitudes of which detected by the signal level detect means are equal to or larger than the first reference level as the number of detected times of CAPA (Complimentary Allocated Pit Address) areas;
second determining means for determining whether the optical disk has been rotated a given amount or not;
third determining means, when the second determining means determines that the optical disk has been rotated a given amount, for determining whether the number of detected times of CAPA (Complimentary Allocated Pit Address) areas counted by the counting means is at least equal to or larger than a given number of times or not; and
fourth determining means, when the third determining means determines that the number of detected times of CAPA (Complimentary Allocated Pit Address) areas counted by the counting means is equal to or larger than a given number of times, for identifying the optical disk loaded into the disk apparatus as a DVD-RAM optical disk and, when the third determining means determines that the number of detected times of CAPA (Complimentary Allocated Pit Address) areas counted by the counting means is not equal to or larger than a given number of times, for identifying the optical disk loaded into the disk apparatus as other optical disk than the DVD-RAM optical disk.
2. A disk apparatus for reproducing information data recorded in an optical disk, comprising:
signal level detect means for rotating an optical disk loaded into the disk apparatus at a given number of rotations and turning on a focus servo in the off state of a tracking servo to detect the amplitude of an RF signal read out from the optical disk by an optical pickup at every given time intervals;
first determining means for determining whether the maximum value of the amplitude of an RF signal detected by the signal level detect means is equal to or larger than a first reference level and the minimum value of the detected amplitude of the RF signal is equal to or smaller than a second reference level or not;
counting means for counting the number of detected times of CAPA (Complimentary Allocated Pit Address) areas according to the determining results of the first determining means;
second determining means for determining whether the optical disk has been rotated a given amount or not;
third determining means, when the second determining means determines that the optical disk has been rotated a given amount, for determining whether the number of detected times of CAPA (Complimentary Allocated Pit Address) areas counted by the counting means is at least equal to or larger than a given number of times or not; and
fourth determining means for distinguishing the kind of the optical disk according to the determining results of the third determining means.
3. The disk apparatus as set forth in claim 2, wherein the counting means is counting means which, when the first determining means determines that the maximum value of the amplitude of the RF signal detected by the signal level detect means is equal to or larger than the first reference level and the minimum value of the detected amplitude of the RF signal is equal to or smaller than the second reference level, counts the number of RF signals the amplitudes of which detected by the signal level detect means are equal to or larger than the first reference level as the number of detected times of CAPA (Complimentary Allocated Pit Address) areas.
4. The disk apparatus as set forth in claim 2, wherein the fourth determining means is determining means which, when the third determining means determines that the number of detected times of CAPA (Complimentary Allocated Pit Address) areas counted by the counting means is equal to or larger than a given number of times, identifies the optical disk loaded into the disk apparatus as a DYD-RAM optical disk.
5. The disk apparatus as set forth in claim 2, wherein the fourth determining means is determining means which, when the third determining means determines that the number of detected times of CAPA (Complimentary Allocated Pit Address) areas counted by the counting means is not equal to or larger than a given number of times, identifies the optical disk loaded into the disk apparatus as other optical disk than the DVD-RAM optical disk.
6. A disk apparatus for reproducing information data recorded in an optical disk, comprising:
a signal level detect unit that rotates an optical disk loaded into the disk apparatus at a given number of rotations and turns on a focus servo in the off state of a tracking servo to detect the amplitude of an RF signal read out from the optical disk by an optical pickup at every given time intervals;
a first determining unit that determines whether the maximum value of the amplitude of an RF signal detected by the signal level detect unit is equal to or larger than a first reference level and the minimum value of the detected amplitude of the RF signal is equal to or smaller than a second reference level or not;
a counting unit that counts the number of detected times of CAPA (Complimentary Allocated Pit Address) areas according to the determining results of the first determining unit;
a second determining unit that determines whether the optical disk has been rotated a given amount or not;
a third determining unit, when the second determining unit determines that the optical disk has been rotated a given amount, determines whether the number of detected times of CAPA (Complimentary Allocated Pit Address) areas counted by the counting unit is at least equal to or larger than a given number of times or not; and
a fourth determining unit that distinguishes the kind of the optical disk according to the determining results of the third determining unit.