Author: claimsbot

1. A computerized system for displaying, geolocating, and making measurements, comprising:
a computer system executing image display and analysis software reading:
an oblique image having corresponding location data indicative of a position and orientation of an image capturing device used to capture the oblique image, the oblique image depicting an object of interest; and
at least one data table storing ground plane data indicative of a plurality of first facets that closely approximates at least a portion of the terrain depicted within said oblique image, said at least one data table also comprising a TGP vertical plane data indicative of a second facet representing a mathematical model of the object of interest depicted within the oblique image,

wherein the image display and analysis software executed by the computer system displays at least a portion of the oblique image depicting the object of interest, receives one or more selected points within the oblique image on the object of interest and calculates a measurement of the object of interest using pixel location of the one or more selected points within the oblique image, the location data and the TGP vertical plane data.
2. The computerized system of claim 1, wherein the image display and analysis software is configured to utilize a single ray projection technique to calculate the measurement of the object of interest using the geo-location data and the TGP vertical plane data.
3. The computerized system of claim 1, wherein the image display and analysis software is configured to calculate a desired measurement within the oblique image utilizing the geo-location data and the ground plane data indicative of the plurality of first facets.
4. The computerized system of claim 1, wherein the TGP vertical plane data includes real-world three-dimensional location values representative of at least two points on the object of interest depicted in the oblique image and positioned at a distance farthest from a centerline of the object of interest.
5. The computerized system of claim 4, wherein the TGP vertical plane data includes at least one real-world three-dimensional location value representative of a three-dimensional location where the object of interest over lies the Earth and having an elevation value indicative of an elevation of the terrain underneath the object of interest.
6. The computerized system of claim 1, wherein the object of interest is a utility tower.
7. The computerized system of claim 1, wherein the image display and analysis software executed by the computer system displays at least a portion of the oblique image depicting the object of interest by providing a webpage that when rendered by a processor executing a Web browser displays at least a portion of the oblique image depicting the object of interest.
8. A method for taking measurements within a displayed oblique image, comprising:
receiving one or more signal indicative of first selection and pixel location of a first pixel within the displayed image of a first point on an object of interest depicted within the displayed oblique image;
retrieving from a data file, location data indicative of a position and orientation of an image capturing device used to capture the displayed image, and a TGP vertical plane approximating a center of mass of the object of interest; and
determining a real-world location of the first point utilizing the pixel location within the oblique image, the location data and the TGP vertical plane data.

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 hanger bar assembly, comprising:
a first hanger bar member; and
a second hanger bar member attached to the first hanger bar member, wherein the first hanger bar member comprises:
a first rail segment;
a first channel segment including a first channel; and
a first stoppage tab disposed proximal to an end portion of the first hanger bar member and extending up above an edge of the first channel segment; and

wherein the second hanger bar member comprises:
a second rail segment positioned in the first channel of the first channel segment;
a second channel segment including a second channel, wherein the first rail segment is positioned in the second channel; and
a second stoppage tab disposed proximal to an end portion of the second hanger bar member and extending out in a horizontal direction, wherein the first stoppage tab and the second stoppage tab are designed to abut against each other to prevent unintended disengagement of the first hanger bar member from the second hanger bar member.
2. The hanger bar assembly of claim 1, wherein the first hanger bar member further comprises a guide tab extending up above the edge of the first channel segment and wherein the guide tab is offset from the first stoppage tab.
3. The hanger bar assembly of claim 1, wherein the first stoppage tab is aligned with an opening in the first hanger bar member and wherein the second stoppage tab is aligned with an opening in the second hanger bar.
4. The hanger bar assembly of claim 3, wherein the second stoppage tab includes a back section, a middle section, and a front section, the middle section being between the back section and the front section.
5. The hanger bar assembly of claim 4, wherein the middle section protrudes toward the opening in the second hanger bar.
6. The hanger bar assembly of claim 4, wherein at least a portion of the middle section is positioned in the opening in the first hanger bar member when the front section is in contact with a surface of the first stoppage tab.
7. The hanger bar assembly of claim 3, wherein the second stoppage tab is elastically movable toward the opening in the first hanger bar member by exerting a force on the second stoppage tab to enable the first stoppage tab and the second stoppage tab to move past each other.
8. The hanger bar assembly of claim 1, wherein the first rail segment of the first hanger bar member is slidably movable in the second channel of the second channel segment and wherein the second rail segment of the second hanger bar member is slidably movable in the first channel of the first channel segment.
9. The hanger bar assembly of claim 1, wherein the first hanger bar member further comprises a first middle segment extending between the first rail segment and the first channel segment, the first rail segment and the first channel segment being offset from each other and wherein the second hanger bar member comprises a second middle segment extending between the second rail segment and the second channel segment, the second rail segment and the second channel segment being offset from each other.
10. The hanger bar assembly of claim 1, further comprising:
a first attachment head coupled to the first hanger bar member at a second end portion of the first hanger bar member, the end portion of the first hanger bar member and the second end portion of the first hanger bar member being at opposite ends of the first hanger bar; and
a second attachment head coupled to the second hanger bar member at a second end portion of the second hanger bar member, the end portion of the second hanger bar member and the second end portion of the second hanger bar member being at opposite ends of the second hanger bar, wherein the first attachment structure and the second attachment structure are used to attach the hanger bar assembly to support structures.
11. A hanger bar assembly, comprising:
a first hanger bar member; and
a second hanger bar member attachable to the first hanger bar member, wherein the first hanger bar member comprises:
a first rail segment;
a first channel segment including a first channel; and
a first stoppage tab disposed proximal to an end portion of the first hanger bar member and extending up above an edge of the first channel segment; and

wherein the second hanger bar member comprises:
a second rail segment designed to be positioned in the first channel of the first channel segment;
a second channel segment including a second channel, wherein the first rail segment is designed to be positioned in the second channel; and
a second stoppage tab disposed proximal to an end portion of the second hanger bar member and extending out in a horizontal direction, wherein, after the first hanger bar member and the second hanger bar member are attached to each other, the first stoppage tab and the second stoppage tab are designed to abut against each other to prevent unintended disengagement of the first hanger bar member from the second hanger bar member.
12. The hanger bar assembly of claim 11, wherein the first hanger bar member further comprises a guide tab extending up above the edge of the first channel segment and wherein the guide tab is offset from the first stoppage tab.
13. The hanger bar assembly of claim 11, wherein the first stoppage tab is aligned with an opening in the first hanger bar member and wherein the second stoppage tab is aligned with an opening in the second hanger bar.
14. The hanger bar assembly of claim 13, wherein the second stoppage tab includes a back section, a middle section, and a front section, the middle section being between the back section and the front section.
15. The hanger bar assembly of claim 13, wherein the second stoppage tab is elastically movable toward the opening in the first hanger bar member by exerting a force on the second stoppage tab to enable the first stoppage tab and the second stoppage tab to move past each other.
16. The hanger bar assembly of claim 11, further comprising:
a first attachment head coupled to the first hanger bar member at a second end portion of the first hanger bar member, the end portion of the first hanger bar member and the second end portion of the first hanger bar member being at opposite ends of the first hanger bar; and
a second attachment head coupled to the second hanger bar member at a second end portion of the second hanger bar member, the end portion of the second hanger bar member and the second end portion of the second hanger bar member being at opposite ends of the second hanger bar, wherein the first attachment structure and the second attachment structure are used to attach the hanger bar assembly to support structures.
17. A luminaire mounting structure for mounting a recessed luminaire, the luminaire mounting structure comprising:
a first hanger bar assembly;
a second hanger bar assembly; and
a plaster frame, wherein the first hanger bar assembly is attached to the plaster frame on a first side of the plaster frame, wherein the second hanger bar assembly is attached to the plaster frame on a second side of the plaster frame opposite the first side, wherein each of the first hanger bar assembly and the second hanger bar assembly comprises a first hanger bar member and a second hanger bar member, wherein the first hanger bar member comprises:
a first rail segment;
a first channel segment including a first channel; and
a first stoppage tab disposed proximal to an end portion of the first hanger bar member and extending up above an edge of the first channel segment; and

wherein the second hanger bar member comprises:
a second rail segment designed to be positioned in the first channel of the first channel segment;
a second channel segment including a second channel, wherein the first rail segment is designed to be positioned in the second channel; and
a second stoppage tab disposed proximal to an end portion of the second hanger bar member and extending out in a horizontal direction, wherein, after the first hanger bar member and the second hanger bar member are attached to each other, the first stoppage tab and the second stoppage tab are designed to abut against each other to prevent unintended disengagement of the first hanger bar member from the second hanger bar member.
18. The luminaire mounting structure of claim 17, wherein the first hanger bar member of each of the first hanger bar assembly and the second hanger bar assembly further comprises a guide tab extending up above the edge of the first channel segment and wherein the guide tab is offset from the first stoppage tab.
19. The luminaire mounting structure of claim 17, wherein the first stoppage tab is aligned with an opening in the first hanger bar, wherein the second stoppage tab is aligned with an opening in the second hanger bar, wherein the second stoppage tab is elastically movable toward the opening in the first hanger bar member by exerting a force on the second stoppage tab to enable the first stoppage tab and the second stoppage tab to move past each other.
20. The luminaire mounting structure of claim 17, wherein each of the first hanger bar assembly and the second hanger bar assembly further comprises:
a first attachment head coupled to the first hanger bar member at a second end portion of the first hanger bar member, the end portion of the first hanger bar member and the second end portion of the first hanger bar member being at opposite ends of the first hanger bar; and
a second attachment head coupled to the second hanger bar member at a second end portion of the second hanger bar member, the end portion of the second hanger bar member and the second end portion of the second hanger bar member being at opposite ends of the second hanger bar, wherein the first attachment structure and the second attachment structure are used to attach the hanger bar assembly to support structures.

1. An installment structure for a braking mechanism for braking an output shaft of a motor in a power tool, the structure comprising:
a tubular motor housing accommodating the motor; and
a front housing mounted frontwardly of the motor housing with a shaft support plate configured to support an output shaft of the motor being provided between the front housing and the motor housing, the shaft support plate having a plurality of types available which includes a first shaft support plate adapted to be connected directly to the motor housing and a second shaft support plate adapted to be connected to the motor housing with a tubular spacer being provided between the second shaft support plate and the motor housing, the output shaft consists of a front shaft to be rotatably supported by the shaft support plate and a rear shaft disposed rearwardly of the front shaft, the front shaft being detachably connected to a rear shaft, the front shaft having a plurality of types available which includes a first front shaft adapted to be rotatably supported by the first shaft support plate and a second front shaft adapted to be rotatably supported by the second shaft support plate, the second front shaft being longer than the first front shaft in an axial dimension,
wherein the braking mechanism includes a flange plate, a braking member and a biasing member, and is configured to be mounted to the second shaft support plate and the second front shaft such that the flange plate is fixed to the second front shaft, the braking member is movable between a braking position in which the braking member is pressed against the flange plate and a retreating position in which the braking member is separate from the flange plate, and the biasing member is configured to press the braking member toward the flange plate,
whereby two modes of configuration are implementable which include: a first mode without the braking mechanism in which the first front shaft is connected to the rear shaft with the first shaft support plate being mounted between the motor housing and the front housing; and a second mode with the braking mechanism in which the second front shaft is connected to the rear shaft with the second shaft support plate and the spacer being mounted between the motor housing and the front housing.
2. The structure according to claim 1, wherein the motor housing includes a slide control subjected to manipulations which include a forward sliding operation to cause a drive switch of the motor to be turned on.
3. The structure according to claim 2, wherein the braking member is configured to move frontward against a biasing force of the biasing member in accordance with the forward sliding operation applied to the slide control, and separate from the flange plate to thereby release brakeage.
4. The structure according to claim 3, wherein the braking member includes a cylindrical portion provided at a front surface thereof, the second shaft support plate includes an annular rib provided at a rear surface thereof, the cylindrical portion of the braking member being engaged with the annular rib of the second shaft support plate, and a guide pin is formed on one of the cylindrical portion and the annular rib and a helical lead groove configured to allow the guide pin to be loosely fitted therein is formed on the other of the cylindrical portion and the annular rib, whereby the braking member is caused to move frontward while being rotated by guidance of the lead groove given to the guiding pin in accordance with the forward sliding operation applied to the slide control.
5. The structure according to claim 4, wherein the lead groove is formed to extend in such a direction that the braking member is brought into contact with the flange plate while being rotated in a direction reverse to that of rotation of the output shaft in accordance with the forward sliding operation applied to the slide control.
6. The structure according to claim 5, wherein the braking mechanism further includes a connecting bar having an inclined surface provided at an end thereof, the connecting bar being connected to the slide control, the braking member includes a rolling element provided at a peripheral edge of the braking member, and the inclined surface of the connecting bar moved frontward in accordance with the forward sliding operation of the slide control causes the rolling element of the braking member in contact with the inclined surface to relatively roll along the inclined surface, whereby the braking member is caused to move frontward while being rotated.
7. The structure according to claim 4, wherein the braking mechanism further includes a connecting bar having an inclined surface provided at an end thereof, the connecting bar being connected to the slide control, the braking member includes a rolling element provided at a peripheral edge of the braking member, and the inclined surface of the connecting bar moved frontward in accordance with the forward sliding operation of the slide control causes the rolling element of the braking member in contact with the inclined surface to relatively roll along the inclined surface, whereby the braking member is caused to move frontward while being rotated.
8. The structure according to claim 1, wherein a cooling fan for cooling the motor is provided at the rear shaft of the output shaft, and a baffle plate is integrally formed on the spacer, the baffle plate being configured to extend around the cooling fan to a rear side of the cooling fan when the spacer is mounted between the motor housing and the front housing.
9. The structure according to claim 8, wherein the front shaft has a pit formed at a rear face thereof, and the rear shaft has a diameter-reduced portion provided at a front end, the front shaft and the rear shaft connectable together by press-fitting the diameter-reduced portion of the rear shaft in the pit of the front shaft.
10. The structure according to claim 8, wherein the first shaft support plate has a plurality of ridges provided protrusively at a rear surface thereof, the plurality of ridges at the rear surface of the first shaft support plate extending concentrically and located in proximity to a front surface of the cooling fan to form a labyrinth.
11. The structure according to claim 8, wherein the baffle plate includes a plurality of ribs provided at a rear surface of the baffle plate and configured to be in contact with an inner surface of the motor housing.
12. The structure according to claim 8, wherein the shaft support plate has a through hole through which cooling air produced by the cooling fan is allowed to pass.
13. The structure according to claim 1, wherein the front shaft has a pit formed at a rear face thereof, and the rear shaft has a diameter-reduced portion provided at a front end thereof, the front shaft and the rear shaft connectable together by press-fitting the diameter-reduced portion of the rear shaft in the pit of the front shaft.
14. The structure according to claim 1, wherein the biasing member includes a coil spring.
15. The structure according to claim 1, wherein a brake shoe is provided at a rear surface of the braking member.
16. The structure according to claim 1, wherein the front housing is configured to support a spindle in a manner that permits the spindle to rotate about an axis thereof in a position perpendicular to the front shaft, the spindle includes a bevel gear engageable with the front shaft, and an attachment provided at an end of the spindle to allow a discal tool to be installed thereon when the spindle is disposed to protrude out of the front housing with the bevel gear engaged with the front shaft and the attachment located outwardly beyond the front housing.

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 gamma correction system for a display device, comprising:
a display panel configured to display an image;
a measuring unit configured to acquire optical characteristic information from the video displayed on the display panel; and
a display panel driver configured to convert a gamma data result value obtained after performing optical compensation for at least two sample gray values among a plurality of reference luminance values into a corresponding data voltage and calculate a data voltage for the rest of the luminance values for which optical compensation is not performed.
2. The gamma correction system for a display device of claim 1, wherein:
the display panel driver includes
a reference luminance value selector configured to select the plurality of reference luminance values,
a luminance compensator configured to perform optical compensation for the sample gray values to acquire gamma data result values, and
a gamma value converter configured to convert the gamma data result values to a corresponding data voltage and calculate a data voltage for the rest of the luminance values.
3. The gamma correction system for a display device of claim 2, wherein:
the plurality of reference luminance values are
divided into a plurality of luminance adjustment steps including a plurality of gray values among all gray values which correspond to the maximum luminance values of each of the luminance adjustment steps.
4. The gamma correction system for a display device of claim 2, wherein:
the sample gray values are at least two reference luminance values selected from among the plurality of reference luminance values and include the maximum reference luminance values.
5. The gamma correction system for a display device of claim 2, wherein:
the luminance compensator is configured to perform compensation in other luminance adjustment steps by using the gamma data result value calculated by performing optical compensation for the sample gray values and an offset value acquired during optical compensation.
6. The gamma correction system for a display device of claim 2, wherein:
the gamma value converter calculates data voltage for the rest of the luminance values by using linear interpolation.
7. The gamma correction system for a display device of claim 1, wherein:
the optical characteristic information includes information on luminance and a color coordinate of the displayed video.
8. The gamma correction system for a display device of claim 1, wherein:
the optical compensation compensates deviation from standard target values of luminance, a color coordinate, and a gamma curve corresponding to the sample gray value for the displayed image on the display panel.
9. A gamma correction method for a display device for correcting an optical characteristic of image data provided to a display panel displaying an image, the method comprising:
selecting a plurality of reference luminance values;
performing optical compensation for at least two sample gray values among the plurality of reference luminance values;
acquiring a gamma data result value corresponding to a sample gray value after the optical compensation to convert the gamma data result value into a corresponding data voltage;
calculating a data voltage for the rest of the luminance values for which the optical compensation is not performed by using the data voltage of the sample gray value; and
performing gamma compensation of video data applied to the display panel by using the data voltage for the luminance.
10. The gamma correction method for a display device of claim 9, wherein:
selecting of the reference luminance value includes
dividing into a plurality of luminance adjustment steps including a plurality of gray values among all gray values and selecting the maximum luminance value of each luminance adjustment step.
11. The gamma correction method for a display device of claim 9, wherein:
the sample gray value includes the maximum reference luminance value among the plurality of reference luminance value.
12. The gamma correction method for a display device of claim 9, wherein:
calculating the data voltage for the rest of the luminance values includes performing linear interpolation based on the data voltage of the sample gray value.
13. The gamma correction method for a display device of claim 9, wherein:
the optical compensation compensates deviation from standard target values of luminance, a color coordinate, and a gamma curve corresponding to the sample gray value for the displayed image on the display panel.
14. A gamma correction method for a display device for correcting an optical characteristic of image data provided to a display panel displaying an image, the method comprising:
selecting a plurality of reference luminance values;
performing optical compensation for at least two sample gray values among the plurality of reference luminance values;
obtaining a gamma data compensation value for the rest of the luminance values by using the gamma data result value for the sample gray value calculated after the optical compensation and an offset value acquired from the optical compensation;
acquiring the gamma data result value for the sample gray value and gamma data compensation values for the rest of the luminance values and then converting the gamma data compensation values into data voltage; and
performing gamma compensation of image data applied to the display panel by using the data voltage.