1. An endoscope apparatus comprising:
an insertion part having a proximal end and a distal end, with an observation portion at the distal end to observe a subject, a bending portion which is provided more proximal than the distal end, and a tube portion closer to the proximal end than the bending portion, the bending portion has a distal end and a proximal end, wherein in an unbent state of the insertion part, the observation portion, the bending portion, and the tube portion are arranged in that order from the distal end to the proximal end of the insertion part;
a light source section outputting excitation light;
a fluorescent member excited by the excitation light to emit illumination light;
a first light transmitting section disposed between the light source section and the fluorescent member to guide the excitation light output from the light source section to the fluorescent member; and
a second light transmitting section guiding the illumination light emitted from the fluorescent member,
wherein the fluorescent member is fixedly located closer to the proximal end of the bending portion than to the distal end of the bending portion, in an unbent state of said insertion part and wherein the fluorescent member is provided closer to the proximal side of the insertion part than the bending portion, and within the insertion part.
2. The endoscope apparatus according to claim 1, wherein the insertion part further includes a flexible tube portion which is flexible and provided more proximal than the bending portion, and the fluorescent member is provided within the flexible tube portion.
3. The endoscope apparatus according to claim 1, wherein the fluorescent member is provided within an apparatus body portion of the endoscope apparatus.
4. The endoscope apparatus according to claim 3, wherein the light source section is provided within the apparatus body portion.
5. The endoscope apparatus according to claim 1, including a bending operating part which is provided at a proximal side of the insertion part and configured to control bending of the bending portion.
6. The endoscope apparatus according to claim 5, wherein the light source section is provided within the bending operating part.
7. The endoscope apparatus according to claim 1, further comprising a diffuser plate provided on the distal side of the second light transmitting section to diffuse the illumination light guided to the second light transmitting section.
8. The endoscope apparatus according to claim 1, further comprising a plurality of sets of illumination portions having the light source section, the fluorescent member, the first light transmitting section, and the second light transmitting section.
9. The endoscope apparatus according to claim 1,
wherein the fluorescent member is provided with a heat radiation portion which receives and radiates the heat generated in the fluorescent member.
10. The endoscope apparatus according to claim 1, further comprising an input-side light determining section which determines an amount of the excitation light emitted from the light source section and guided to the first light transmitting section, and outputs a detection signal.
11. The endoscope apparatus according to claim 10,
wherein the input-side light determining section is provided in proximity to the fluorescent member.
12. The endoscope apparatus according to claim 11, further comprising an amplifier provided inside the insertion part to amplify the detection signal and transmit the amplified detection signal to the proximal side of the insertion part.
13. The endoscope apparatus according to claim 10, further comprising an amplifier provided inside the insertion part to amplify the detection signal and transmit the amplified detection signal to the proximal side of the insertion part.
14. The endoscope apparatus according to claim 1, further comprising an output-side light determining section which determines the amount of the illumination light emitted from the fluorescent member and guided to the second light transmitting section, and outputs a detection signal.
15. The endoscope apparatus according to claim 14, further comprising an amplifier provided inside the insertion part to amplify the detection signal and transmit the amplified detection signal to the proximal side of the insertion part.
16. The endoscope apparatus according to claim 1,
wherein the first light transmitting section and the second light transmitting section are light guides.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A field-programmable dynamic logic array (FPDLA) comprising:
an array of at least one dynamic programmable module (DPM); and
at least one micro clock, wherein each of the at least one DPM is controlled by the at least one micro clock.
2. The FDPLA of claim 1 in which the at least one DPM comprises
a cascaded combination of at least one dynamic PLA (DPLA), the at least one DPLA having at least one input and at least one output.
3. The FDPLA of claim 2 wherein the at least one DPLA is reprogrammable.
4. The FDPLA of claim 2 wherein the at least one DPLA is reconfigurable.
5. The FDPLA of claim 2 wherein the at least one DPLA implements a fixed function.
6. The FPDLA of claim 2 wherein the at least one output of the at least one DPM is coupled to at least one input of at least one chronologically next DPM.
7. The FPDLA of claim 6 wherein the at least one DPM is controlled by its micro clock and the at least one chronologically next DPM is controlled by a second micro clock, the second micro clock is asserted after a sufficient time for the at least one output of the at least one DPM to become valid at the at least one input of the at least one chronologically next DPM.
8. The FPDLA of claim 7 wherein the DPMs are arranged to minimize the connection distance between each DPM and its chronologically next DPMs.
9. The FPDLA of claim 7 wherein the time delay between micro clock assertions are of the same duration.
10. The FPDLA of claim 7 wherein the time delay between micro clock assertions are of different duration.
11. The FPDLA of claim 7 wherein the time delay between any two micro clock assertions can be arbitrarily lengthened.
12. The FPDLA of claim 7 wherein routing channels are added for connections between DPMs.
13. The FPDLA of claim 7 wherein the entire set of micro clocks are mapped to a clock cycle.
14. The FPDLA of claim 7 wherein a subset of the entire set of micro clocks are mapped to a clock cycle.
15. The FPDLA of claim 7 wherein programmable interconnects built using static circuit structure connect the DPMs.
16. The FPDLA of claim 7 is used in a programmable decoder.
17. The FPDLA of claim 7 is used in a programmable data path such as in arithmetic-and-logic units, floating-point units, multimedia execution units and digital-signal processing units.
18. The FPDLA of claim 7 is used in a stand-alone programmable semiconductor device.
19. The FPDLA of claim 7 is used within a larger semiconductor device.