All The Claims

1. A wiring board having a lead pin comprising:
a connecting pad which is formed on the wiring board, and to which the lead pin is bonded through a conductive material,
wherein the lead pin includes:
a shaft portion;
a head portion which is provided on one end of the shaft portion, said head portion having a diameter greater than that of the shaft portion;
a protruded portion which is formed on a surface side of the head portion opposed to the connecting pad, the protruded portion formed to take a hemispherical shape which is convexed toward the connecting pad, the hemispherical shaped protruded portion having a diameter which is less than the diameter of the head portion;
a first taper portion which is formed between the head portion and a base part of the shaft portion, said first taper portion tapering outwardly from the base part of the shaft portion toward an outer edge of the head portion; and
a second taper portion which is formed between the head portion and a base part of the protruded portion, wherein the base part of the protruded portion is provided at an angle relative to the second taper portion.
2. The wiring board having a lead pin according to claim 1, wherein a planer shape of the head portion is formed in a circular flat plate manner,
and wherein the protruded portion is concentric with the shaft portion and is protruded from the head portion.
3. The wiring board having a lead pin according to claim 1, wherein the first and second taper portions take such a shape as to divide the head portion into two parts in a vertical direction.
4. The wiring board having a lead pin according to claim 1, wherein a trench is formed between the base part of the protruded portion and an outer peripheral edge of the head portion.
5. The wiring board having a lead pin according to claim 1, wherein a trench is formed in a communicating arrangement between the protruded portion and an outer peripheral edge of the head portion.
6. The wiring board having a lead pin according to claim 1, wherein the first taper portion tapers extends at a non-perpendicular angle from the shaft portion toward the outer edge of the head portion.
7. The wiring board having a lead pin according to claim 1, wherein the head portion has a cylindrical shape.
8. A wiring board having a lead pin comprising:
a connecting pad which is formed on the wiring board, and to which the lead pin is bonded through a conductive material,
wherein the lead pin includes:
a shaft portion;
a head portion which is provided on one end of the shaft portion, said head portion having a diameter greater than that of the shaft portion;
a protruded portion which is formed on a surface side of the head portion opposed to the connecting pad, the protruded portion formed to take a conical shape having a rounded tip part such that a diameter of the protruded portion gradually decreases from a base part of the protruded portion to the tip part of the protruded portion opposed to the connecting pad;
a first taper portion which is formed between the head portion and a base part of the shaft portion, said first taper portion tapering outwardly from the base part of the shaft portion toward an outer edge of the head portion; and
a second taper portion which is formed between the head portion and the base part of the protruded portion, wherein the protruded portion projects from the second taper portion such that the base part of the protruded portion is provided at an angle relative to the second taper portion.
9. The wiring board having a lead pin according to claim 1, wherein an external surface of the protruded portion and the head portion are smoothly connected to each other through a continuous curved surface.
10. The wiring board having a lead pin according to claim 8, wherein an external surface of the protruded portion and the head portion are smoothly connected to each other through a continuous curved surface.
11. A lead pin bonded through a conductive material to a connecting pad formed on a wiring board, comprising:
a shaft portion;
a head portion which is provided on one end of the shaft portion, said head portion having a diameter greater than that of the shaft portion;
a protruded portion which is formed on a surface side of the head portion opposed to the connection pad, the protruded portion formed to take a hemispherical shape which is convexed toward the connecting pad, the hemispherical shaped protruded portion having a diameter which is less than the diameter of the head portion;
a first taper portion which is formed between the head portion and a base part of the shaft portion, said first taper portion tapering outwardly from the base part of the shaft portion toward an outer edge of the head portion; and
a second taper portion formed between the head portion and a base part of the protruded portion, wherein the base part of the protruded portion is provided at an angle relative to the second taper portion.
12. The lead pin according to claim 11, wherein a planer shape of the head portion is formed in a circular flat plate manner, and the protruded portion is concentric with the shaft portion and is protruded from the head portion.
13. The lead pin according to claim 11, wherein each of the first and second taper portions take such a shape as to divide the head portion into two parts in a vertical direction.
14. The lead pin according to claim 11, wherein a trench is formed from the base part of the protruded portion to an outer peripheral edge of the head portion.
15. The lead pin according to claim 11, wherein a trench is formed in a communicating arrangement between the protruded portion and an outer peripheral edge of the head portion.
16. The lead pin according to claim 11, wherein an external surface of the protruded portion and the head portion are smoothly connected to each other through a continuous curved surface.
17. The lead pin according to claim 11, wherein the first taper portion tapers extends at a non-perpendicular angle from the shaft portion toward the outer edge of the head portion.
18. The lead pin according to claim 11, wherein the head portion has a cylindrical shape.
19. A lead pin bonded through a conductive material to a connecting pad formed on a wiring board, comprising:
a shaft portion;
a head portion which is provided on one end of the shaft portion, said head portion having a diameter greater than that of the shaft portion;
a protruded portion which is formed on a surface side of the head portion opposed to the connection pad, the protruded portion formed to take a conical shape having a rounded tip part such that a diameter of the protruded portion gradually decreases from a base part of the protruded portion to the tip part of the protruded portion opposed to the connecting pad;
a first taper portion which is formed between the head portion and a base part of the shaft portion, said first taper portion tapering outwardly from the base part of the shaft portion toward an outer edge of the head portion; and
a second taper portion is formed between the head portion and the base part of the protruded portion, and the protruded portion projects from the second taper portion such that the base part of the protruded portion is provided at an angle relative to the second taper portion.
20. The lead pin according to claim 19, wherein an external surface of the protruded portion and the head portion are smoothly connected to each other through a continuous curved surface.

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 method for detecting leaks in a diesel engine comprising:
connecting a nozzle of a leak testing device to a threaded inlet of the engine, the threaded inlet in fluid communication with a high pressure oil cavity of the engine;
connecting a hose in fluid communication with the nozzle to a pressurized air source;
pressurizing the engine with pressurized air from the pressurized air source;
listening for an audible sound identifying the pressurized air leaking from the engine; and
identifying a location of the leaking based on the audible sound from the engine.
2. The method according to claim 1, wherein the threaded inlet comprises a port configured to connect a high pressure regulator to the engine.
3. The method according to claim 2, wherein the port corresponds to a high pressure oil pump aperture.
4. The method according to claim 1, wherein the location is identified as a source from which the audible sound is emanating based on a volume of the audible sound.
5. The method according to claim 1, further comprising:
ensuring that a valve of the leak testing device is in a closed position prior to connecting the hose to the pressurized air source.
6. The method according to claim 5, further comprising:
pressurizing the engine by slowly opening the valve to pressurize the engine.
7. The method according to claim 1, wherein the pressurized air corresponds to atmospheric air.
8. A method for identifying leaks in an engine oil system comprising:
connecting a nozzle of a testing device to an oil pump inlet of the engine, wherein the oil pump inlet is in fluid communication with an oil cavity of the engine;
inputting air into the oil cavity through an internal passage of the nozzle;
pressurizing the engine with the air from the internal passage of the nozzle;
identifying a location of a leak emanating from a portion of the engine in fluid communication with the oil cavity based on a sound emitted from the engine.
9. The method according to claim 8, wherein the pressurizing the engine is initiated by opening a valve of the leak testing device.
10. The method according to claim 8, wherein the connecting of the nozzle comprises threading a threaded portion of the nozzle into a threaded inlet corresponding to the oil pump inlet.
11. The method according to claim 10, wherein the threaded portion of the nozzle and the threaded inlet form a sealed connection in an assembled configuration.
12. The method according to claim 8, further comprising:
supplying the air from a high pressure air source through the internal passage of the nozzle to input the air into the oil cavity.
13. The method according to claim 8, wherein the high pressure air source corresponds to an air supply having a pressure approximately greater than or equal to 100 pounds per square inch.
14. The method according to claim 8, further comprising:
accessing the oil pump inlet by removing a pressure regulator from the oil pump inlet.
15. The method according to claim 14, further comprising:
removing a fuel injection control module to access the pressure regulator.
16. A leak testing apparatus for a diesel engine comprising:
a first end portion forming a cylindrical opening configured to output air from a pressurized air source;
a second end portion forming a threaded inlet configured to form a sealed connection with a fitting, the fitting configured to connect to the pressurized air source;
an internal passage formed between the threaded inlet and the cylindrical opening, the internal passage configured to communicate the air from the second end portion to the first end portion; and
an engaging surface formed by the first end portion, wherein the first end portion is configured to sealably engage an oil pump inlet of the diesel engine.
17. The leak testing apparatus according to claim 16, wherein the engaging surface comprises a smooth shaft portion and a threaded portion.
18. The leak testing apparatus according to claim 17, wherein the threaded portion is configured to engage the oil pump inlet.
19. The leak testing apparatus according to claim 17, further comprising a first seal secured to a channel portion formed on the engaging surface proximate the cylindrical opening.
20. The leak testing apparatus according to claim 19, further comprising a second seal disposed between the threaded portion and a hexagonal profile section of the apparatus.

1. A computer-implemented method of high-speed searching for spatial regions of motion in stored digital video data, comprising:
during storing of the digital video data, identifying spatial regions of motion in the digital video data and creating an indication of each identified spatial region of motion in the digital video data, wherein said creating an indication of each identified spatial region of motion in the digital video data includes:
initializing a data structure having a series of bits each corresponding to a predetermined zone of the video image data;
for each zone where motion was detected, setting the corresponding bit in the data structure to a first binary value; and
for each zone where motion was not detected, setting the corresponding bits in the data structure to a second binary value;

logically \u201cOR’ing\u201d a first plurality of the bits in the data structure so as to obtain a first zone motion summary data value;
logically \u201cOR’ing\u201d a second plurality of the bits in the data structure so as to obtain a second zone motion summary data value;
logically \u201cOR’ing\u201d the first zone motion summary data value and the second zone motion summary data value to obtain a video image zone motion summary data binary value; and
searching for the identified spatial regions of motion in the stored video digital data, comprising searching the data structure to find the bits set to the first binary value based at least in part on the video image zone motion summary data binary value.
2. A computer-implemented method according to claim 1 and further comprising storing the data structure in a header of the stored digital video data.
3. A computer-implemented method according to claim 1 and further comprising storing the data structure separately from the stored digital video data.
4. The computer-implemented method according to claim 1, wherein searching the data structure to find the bits set to the first binary value comprises searching the first zone motion summary data value and the second zone motion summary data value to find at least one zone motion summary data value that is equivalent to the first binary value.
5. The computer-implemented method according to claim 1, wherein each predetermined zone of the video image data comprises a row of pixels.
6. The computer-implemented method according to claim 1, wherein each predetermined zone of the video image data comprises a column of pixels.
7. A computer-implemented method of high-speed searching for time regions of motion in stored digital video data, comprising:
during storing of the digital video data, identifying time regions of motion in the digital video data and creating an indication of each identified time region of motion in the digital video data, wherein said creating an indication of each identified time region of motion in the digital video data includes:
initializing a data structure having a series of bits each corresponding to a predetermined time of the video image data;
for each time where motion was detected, setting the corresponding bit in the data structure to a first binary value; and
for each time where motion was not detected, setting the corresponding bits in the data structure to a second binary value;

logically \u201cOR’ing\u201d a first plurality of the bits in the data structure so as to obtain a first temporal motion summary data value;
logically \u201cOR’ing\u201d a second plurality of the bits in the data structure so as to obtain a second temporal motion summary data value;
logically \u201cOR’ing\u201d the first temporal motion summary data value and the second temporal motion summary data value to obtain a video image temporal motion summary data binary value; and
searching for the identified temporal regions of motion in the stored video digital data, comprising searching the data structure to find the bits set to the first binary value based at least in part on the video image temporal motion summary data binary value.
8. A computer-implemented method according to claim 7 further comprising:
during storing of the digital video data, identifying spatial regions of motion in the digital video data and creating an indication of each identified spatial region of motion in the digital video data, wherein said creating an indication of each identified spatial region of motion in the digital video data includes:
initializing a secondary data structure having a series of bits each corresponding to a predetermined zone of the video image data;
for each zone where motion was detected, setting the corresponding bit in the secondary data structure to the first binary value; and
for each zone where motion was not detected, setting the corresponding bits in the secondary data structure to the second binary value;

logically \u201cOR’ing\u201d a first plurality of the bits in the data structure so as to obtain a first zone motion summary data value;
logically \u201cOR’ing\u201d a second plurality of the bits in the data structure so as to obtain a second zone motion summary data value;
logically \u201cOR’ing\u201d the first zone motion summary data value and the second zone motion summary data value to obtain a video image zone motion summary data binary value; and
searching for the identified spatial regions of motion in the stored video digital data, comprising searching the secondary data structure to find the bits set to the first binary value based at least in part on the video image zone motion summary data binary value.
9. A computer-implemented method according to claim 7 and further comprising storing the data structure separately from the stored digital video data.
10. A computer-implemented method according to claim 7 further comprising storing the data structure in the stored digital video data.
11. The computer-implemented method according to claim 7, wherein searching the data structure to find the bits set to the first binary value comprises searching the first temporal motion summary data value and the second temporal motion summary data value to find at least one temporal motion summary data value that is equivalent to the first binary value.
12. A computer-implemented method of high-speed searching for regions of motion in stored digital video data, comprising:
during storing of the digital video data, identifying spatial regions of motion in the digital video data and creating an indication of each identified spatial region of motion in the digital video data, wherein said creating an indication of each identified spatial region of motion in the digital video data includes:
initializing a first data structure having a series of bits each corresponding to a predetermined zone of the video image data;
for each zone where motion was detected, setting the corresponding bit in the first data structure to the first binary value; and
for each zone where motion was not detected, setting the corresponding bits in the first data structure to the second binary value;

logically \u201cOR’ing\u201d the motion bits in the first data structure so as to obtain first motion summary data;
during storing of the digital video data, identifying time regions of motion in the digital video data and creating an indication of each identified time region of motion in the digital video data, wherein said creating an indication of each identified time region of motion in the digital video data includes:
initializing a second data structure having a series of bits each corresponding to a predetermined time of the video image data;
for each time where motion was detected, setting the corresponding bit in the second data structure to the first binary value; and
for each time where motion was not detected, setting the corresponding bits in the second data structure to the second binary value;

logically \u201cOR’ing\u201d the motion bits in the second data structure so as to form second motion summary data; and
searching for the identified regions of motion in the stored video digital data, comprising searching the summary data structure to find the summary motion bits having the first binary value, based at least in part on the first motion summary data and the second motion summary data.
13. A computer-implemented method of high-speed searching for motion in stored digital video data, comprising:
initializing a plurality of two-dimensional video zone motion information data structures each having a plurality of rows, each row having a series of bits, each bit corresponding to one of a plurality of video zones within a video field;
initializing a one-dimensional video field motion information data structure having a series of bits each corresponding to the video field at one of a plurality of specific points in time;
during storing of the digital video data, for each of the plurality of video zones within the video field at each of the plurality of specific points in time, setting a corresponding one of the series of bits in a corresponding one of the plurality of two-dimensional video zone motion information data structures to a first binary value if motion is detected within the video zone or to a second binary value if motion is not detected within the video zone;
for each of the plurality of rows in each of the plurality of two-dimensional video zone motion information data structures, logically \u201cOR’ing\u201d the series of bits in the row to obtain a corresponding one of a plurality of video zone row motion bit binary values; and
searching for at least one zone of motion within the video field over the specified period of time, the searching comprising determining whether the spatial-temporal motion binary value is the first binary value or the second binary value.
14. The computer-implemented method of claim 13, further comprising, for each of the plurality of specific points in time, logically \u201cOR’ing\u201d the corresponding plurality of video zone row motion bit binary values to obtain a video field motion bit binary value and setting a corresponding one of the series of bits in the one-dimensional video field motion information data structure to the video field motion bit binary value.
15. The computer-implemented method of claim 14, further comprising for each specific point in time within a specified period of time, logically \u201cOR’ing\u201d the corresponding plurality of video field motion bit binary values to obtain a spatial-temporal motion binary value.
16. The computer-implemented method of claim 15, the searching further comprising, if the spatial-temporal motion is the first binary value, determining at which of the plurality of specific points in time motion was detected in the video field by analyzing one or more corresponding entries in the one-dimensional video field motion information data structure.
17. The computer-implemented method of claim 16, the searching further comprising, for each of the plurality of specific points in time motion was detected in the video field, determining in which of the plurality of video zones within the video field motion was detected by analyzing one or more corresponding entries in each corresponding two-dimensional video zone motion information data structure.

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 connecting mechanism for connecting first and second ceiling panel supporting stringers in a T configuration, each of said ceiling panel supporting stringers comprising a main plate portion having a lower end and engaging edges extending from said lower end of said plate portion for supporting edges of ceiling panels, said connecting mechanism comprising:
an insertion hole formed through said main plate portion of said first ceiling panel supporting stringer;
a base plate portion extending from an end of said second ceiling panel supporting stringer and having a forward end;
a connecting projection extending in the same direction as the extending direction of said base plate portion from said forward end of said base plate portion and having a vertical length which is generally the same as that of said insertion hole; and
a backward projection extending at an angle of about 180 degrees from said connecting projection and having an end edge, said backward projection being shaped such that the distance from said end edge to said forward end of said base plate portion is generally the same as the thickness of said main plate portion of said ceiling panel supporting stringer,
whereby, when said connecting projection of said second ceiling panel supporting stringer is pressingly inserted through said insertion hole of said first ceiling panel supporting stringer, said forward end of said connecting projection of said second ceiling panel supporting stringer abuts against one side of said main plate portion of said first ceiling panel supporting stringer and said end edge of said backward projection of said second ceiling panel abuts against the other side of said main plate portion of said first ceiling panel supporting stringer beside said insertion hole to prevent said connecting projection of second ceiling panel supporting stringer from being withdrawn from said insertion hole of said first ceiling panel supporting stringer.
2. The connecting mechanism for ceiling panel supporting stringers as claimed in claim 1, further comprising a restricting notch formed in a side edge of said insertion hole and a restricting lug engageable with said restricting notch and projecting from said end edge of said backward projection.
3. The connecting mechanism for ceiling panel supporting stringers as claimed in claim 1, further comprising a restricting projection which is formed on said main plate portion of said first ceiling panel supporting stringer beside said insertion hole and with which said end edge of said backward projection is elastically engageable.
4. The connecting mechanism for ceiling panel supporting stringers as claimed in any one of claims 1 to 3, wherein said backward projection is provided with a reinforcing rib protruding in the thickness direction thereof.
5. The connecting mechanism for ceiling panel supporting stringers as claimed in claim 4, wherein said backward projection is provided with reinforcing ribs protruding from both side thereof.
6. The connecting mechanism for ceiling panel supporting stringers as claimed in any one of claims 1 to 5, wherein said base plate portion and said connecting projection are integrally formed with said main plate portion of said ceiling panel supporting stringer.
7. The connecting mechanism for ceiling panel supporting stringers as claimed in any one of claims 1 to 5, wherein a connecting plate comprising said base plate portion and said connecting projection is joined to one side of said main plate portion of said ceiling panel supporting stringer.
8. The connecting mechanism for ceiling panel supporting stringers as claimed in any one of claims 1 to 7, wherein said backward projection of said connecting projection comprises a folded portion formed by folding back said connecting projection at about 180 degrees and having an end edge, said folded portion being shaped such that its vertical length is generally the same as that of said insertion hole and the distance from said end edge to said forward end of said base plate portion is generally the same as the thickness of said main plate portion of said ceiling panel supporting stringer,
whereby, when said connecting projection of said second ceiling panel supporting stringer is pressingly inserted through said insertion hole of said first ceiling panel supporting stringer, said end edge of said folded portion abuts against the other side of said main plate portion of said first ceiling panel supporting stringer beside said insertion hole to prevent said connecting projection from being withdrawn from said insertion hole.
9. The connecting mechanism for ceiling panel supporting stringers as claimed in any one of claims 1 to 7, wherein said backward projection of said connecting projection comprises a U-shaped raised portion raised in the thickness direction of said connecting projection and having a forward edge continuous with said connecting projection and a free backward edge, said U-shaped raised portion being shaped such that the distance from said free backward edge to said forward end of said base plate portion is generally the same as the thickness of said main plate portion of said ceiling panel supporting stringer,
whereby, when said connecting projection of said second ceiling panel supporting stringer is pressingly inserted through said insertion hole of said first ceiling panel supporting stringer, said free edge of said U-shaped raised portion abuts against the other side of said main plate portion of said first ceiling panel supporting stringer beside said insertion hole to prevent said connecting projection from being withdrawn from said insertion hole.