1. An information-processing apparatus comprising:
a storage unit configured to store a piece of notification destination information on a notification destination to which a piece of information on the information-processing apparatus is to be transmitted;
a notification unit configured to transmit a piece of information on the information-processing apparatus to a notification destination indicated by the notification destination information stored in the storage unit;
a receiving unit configured to receive from an external apparatus a registration request requesting registration of a piece of information on the external apparatus as a piece of notification destination information in the storage unit; and
a time information notification unit configured to transmit a piece of first time information that denotes a valid period of registration of a piece of notification destination information to a source of a registration request received by the receiving unit when the source exists on a network in a predetermined range, and transmit a piece of second time information that denotes a valid period of registration of a piece of notification destination information to a source of a registration request received by the receiving unit when the source does not exist on the network in a predetermined range, a period of time indicated by the second time information being shorter than a period of time indicated by the first time information.
2. The information-processing apparatus according to claim 1,
wherein the first time information indicates that a valid period of registration of a piece of notification destination information is an indefinite period of time, and
wherein the second time information indicates that a valid period of registration of a piece of notification destination information is a predetermined period of time.
3. The information-processing apparatus according to claim 1, further comprising a determination unit configured to determine whether a source of a registration request received by the receiving unit exists on the network in a predetermined range.
4. The information-processing apparatus according to claim 3, wherein the determination unit determines whether a subnetwork to which a source of a registration request received by the receiving unit belongs and a subnetwork to which the information-processing apparatus belongs are the same on the basis of an IP address of the source, an IP address of the information-processing apparatus, and a subnet mask.
5. The information-processing apparatus according to claim 1, wherein the network in a predetermined range is a network in which any apparatus connected to the network can receive a piece of information indicating that the information-processing apparatus has been started.
6. An information-processing apparatus comprising:
a storage unit configured to store a piece of notification destination information on a notification destination to which a piece of information on the information-processing apparatus is to be transmitted;
a notification unit configured to transmit a piece of information on the information-processing apparatus to a notification destination indicated by the notification destination information stored in the storage unit;
a receiving unit configured to receive from an external apparatus a registration request requesting registration of a piece of information on the external apparatus as a piece of notification destination information in the storage unit; and
a time information notification unit configured to transmit to a source of a registration request received by the receiving unit a piece of first time information that denotes a valid period of registration of a piece of information on a notification destination that should be registered in response to the registration request when the notification destination exists on a network in a predetermined range, and transmit to a source of a registration request received by the receiving unit a piece of second time information that denotes a valid period of registration of a piece of information on a notification destination that should be registered in response to the registration request when the notification destination does not exist on the network in a predetermined range, a period of time indicated by the second time information being shorter than a period of time indicated by the first time information.
7. The information-processing apparatus according to claim 6,
wherein the first time information indicates that a valid period of registration of a piece of notification destination information is an indefinite period of time, and
wherein the second time information indicates that a valid period of registration of a piece of notification destination information is a predetermined period of time.
8. The information-processing apparatus according to claim 6, further comprising a determination unit configured to determine whether a notification destination that should be registered in response to a registration request received by the receiving unit exists on the network in a predetermined range.
9. The information-processing apparatus according to claim 8, wherein the determination unit determines whether a subnetwork to which a notification destination that should be registered in response to a registration request received by the receiving unit belongs and a subnetwork to which the information-processing apparatus belongs are the same on the basis of an IP address of the notification destination, an IP address of the information-processing apparatus, and a subnet mask.
10. The information-processing apparatus according to claim 6, wherein the network in a predetermined range is a network in which any apparatus connected to the network can receive a piece of information indicating that the information-processing apparatus has been started.
11. An information-processing apparatus comprising:
a storage unit configured to store a piece of notification destination information on a notification destination to which a piece of information on the information-processing apparatus is to be transmitted;
a notification unit configured to transmit a piece of information on the information-processing apparatus to a notification destination indicated by the notification destination information stored in the storage unit;
a receiving unit configured to receive from an external apparatus a registration request requesting registration of a piece of information on the external apparatus as a piece of notification destination information in the storage unit; and
a time information notification unit configured to transmit to a source of a registration request received by the receiving unit a piece of time information indicating that a valid period of registration of a piece of notification destination information is a predetermined period of time when the source does not exist on a network in a predetermined range, and configured not to transmit to a source of a registration request received by the receiving unit the time information indicating that a valid period of registration of a piece of notification destination information is a predetermined period of time when the source exists on the network in a predetermined range.
12. An information-processing apparatus comprising:
a storage unit configured to store a piece of notification destination information on a notification destination to which a piece of information on the information-processing apparatus is to be transmitted;
a notification unit configured to transmit a piece of information on the information-processing apparatus to a notification destination indicated by the notification destination information stored in the storage unit;
a receiving unit configured to receive from an external apparatus a registration request requesting registration of a piece of information on the external apparatus as a piece of notification destination information in the storage unit; and
a time information notification unit configured to transmit to a source of a registration request received by the receiving unit a piece of time information indicating that a valid period of registration of a piece of information on a notification destination that should be registered in response to the registration request is a predetermined period of time when the notification destination does not exist on a network in a predetermined range, and configured not to transmit to a source of a registration request received by the receiving unit the time information indicating that a valid period of registration of a piece of information on a notification destination that should be registered in response to the registration request is a predetermined period of time when the notification destination exists on the network in a predetermined range.
13. An information-processing method performed in an information-processing apparatus, comprising the steps of:
storing a piece of notification destination information on a notification destination to which a piece of information on the information-processing apparatus is to be transmitted;
transmitting a piece of information on the information-processing apparatus to a notification destination indicated by the stored notification destination information;
receiving from an external apparatus a registration request requesting registration of a piece of information on the external apparatus as a piece of notification destination information;
transmitting a piece of first time information that denotes a valid period of registration of a piece of notification destination information to a source of a received registration request when the source exists on a network in a predetermined range; and
transmitting a piece of second time information that denotes a valid period of registration of a piece of notification destination information to a source of a received registration request when the source does not exist on the network in a predetermined range, and
wherein a period of time indicated by the second time information is shorter than a period of time indicated by the first time information.
14. An information-processing method performed in an information-processing apparatus, comprising the steps of:
storing a piece of notification destination information on a notification destination to which a piece of information on the information-processing apparatus is to be transmitted;
transmitting a piece of information on the information-processing apparatus to a notification destination indicated by the stored notification destination information;
receiving from an external apparatus a registration request requesting registration of a piece of information on the external apparatus as a piece of notification destination information;
transmitting to a source of a received registration request a piece of first time information that denotes a valid period of registration of a piece of information on a notification destination that should be registered in response to the registration request when the notification destination exists on a network in a predetermined range; and
transmitting to a source of a received registration request a piece of second time information that denotes a valid period of registration of a piece of information on a notification destination that should be registered in response to the registration request when the notification destination does not exist on the network in a predetermined range, and
wherein a period of time indicated by the second time information is shorter than a period of time indicated by the first time information.
15. A computer readable program causing a computer to perform an information-processing method including the steps of:
storing a piece of notification destination information on a notification destination to which a piece of information on the information-processing apparatus is to be transmitted;
transmitting a piece of information on the information-processing apparatus to a notification destination indicated by the stored notification destination information;
receiving from an external apparatus a registration request requesting registration of a piece of information on the external apparatus as a piece of notification destination information;
transmitting a piece of first time information that denotes a valid period of registration of a piece of notification destination information to a source of a received registration request when the source exists on a network in a predetermined range; and
transmitting a piece of second time information that denotes a valid period of registration of a piece of notification destination information to a source of a received registration request when the source does not exist on the network in a predetermined range, and
wherein a period of time indicated by the second time information is shorter than a period of time indicated by the first time information.
16. A computer readable program causing a computer to perform an information-processing method including the steps of:
storing a piece of notification destination information on a notification destination to which a piece of information on the information-processing apparatus is to be transmitted;
transmitting a piece of information on the information-processing apparatus to a notification destination indicated by the stored notification destination information;
receiving from an external apparatus a registration request requesting registration of a piece of information on the external apparatus as a piece of notification destination information;
transmitting to a source of a received registration request a piece of first time information that denotes a valid period of registration of a piece of information on a notification destination that should be registered in response to the registration request when the notification destination exists on a network in a predetermined range; and
transmitting to a source of a received registration request a piece of second time information that denotes a valid period of registration of a piece of information on a notification destination that should be registered in response to the registration request when the notification destination does not exist on the network in a predetermined range, and
wherein a period of time indicated by the second time information is shorter than a period of time indicated by the first time information.
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 surface inspecting device for inspecting a machined surface of a workpiece on the basis of a digital image of the surface of the workpiece, characterized by comprising:
estimation image generating means that generates one-dimensional power spectral images in a direction perpendicular to a direction of a machining work on the basis of the digital image and arranging the one-dimensional power spectral images in parallel along the direction of the machining work to generate an estimation image; and
estimating means that estimates the surface on the basis of pixel values of respective pixels of the estimation image.
2. A surface inspecting device for inspecting a polished inner surface of a bore formed in a cylinder block by a cutting work on the basis of a digital image of the inner surface of the bore, characterized by comprising:
estimation image generating means that generates one-dimensional power spectral images in a direction perpendicular to a direction of the cutting work on the basis of the digital image and arranging the one-dimensional power spectral images in parallel along the direction of the cutting work to generate an estimation image; and
estimating means that estimates polishing residue on the inner surface of the bore on the basis of pixel values of respective pixels of the estimation image.
3. A surface inspecting device for inspecting a machined surface of a workpiece on the basis of a digital image of the surface of the workpiece, characterized by comprising:
estimation image generating means that generates an image obtained by successively generating and parallel arranging one-dimensional power spectral images along a predetermined direction on the basis of the digital image to generate an image, rotates the predetermined direction with respect to the digital image every predetermined angle to generate the image at each rotational angle, and selects an image containing a largest number of spectral signals as an estimation image from respective images; and
estimating means that estimates the surface on the basis of pixel values of respective pixels of the estimation image selected by the estimation image generating means.
4. The surface inspecting device according to claim 1, wherein pixels having pixel values exceeding a predetermined pixel value in the estimation image are color-coded together with respective pixels of the one-dimensional spectral image containing the pixels.
5. The surface inspecting device according to claim 1, further comprising:
an eddy current inspecting sensor that scans the surface of the workpiece; and
inspecting range determining means that specifies a defect site of the workpiece on the basis of an output of the eddy current inspecting sensor and determines an inspecting range containing the defect site, wherein the surface of the workpiece is scanned by a sensor head for irradiating the surface with a laser beam, a digital image of the surface is generated on the basis of reflection light of the laser beam, and the digital image of the inspection range is subjected to image processing for detecting a defect on the surface.
6. The surface inspecting device according to claim 5, wherein the surface of the workpiece is a polished inner surface of a bore formed in a cylinder block by a cutting work, and image processing range determining means that specifies a defect site on the basis of an output of the eddy current inspecting sensor and determines an image processing range containing the defect site, wherein the image processing range is subjected to the image processing to detect a defect on the inner surface.
7. The surface inspecting device according to claim 5, wherein the sensor head is provided with the eddy current inspecting sensor.
8. The surface inspecting device according to claim 2, further comprising:
a sensor head for scanning the inner surface of the bore of the cylinder block while irradiating the inner surface with light, and outputting a detection signal corresponding to a light amount of reflection light of the light; and
detecting means that detects a flaw on the inner surface on the basis of the detection signal, wherein the detecting means changes a determining threshold value for the detection signal for determining the flaw in accordance with an intersecting angle between a scan direction at a scan position of the sensor head and a direction of the cutting work.
9. The surface inspecting device according to claim 8, wherein the detecting means has noise compressing means that lowers a voltage value of a voltage range corresponding to noise with respect to the detection signal to compress the noise, and the noise compressing means changes the voltage range in accordance with the intersection angle between the scan direction at the scan position of the sensor head and the direction of the cutting work.
10. The surface inspecting device according to claim 8, characterized by comprising:
storage means that stores the determining threshold value corresponding to the intersection angle between the scan direction at the scan position of the sensor head and the direction of the cutting work in association with the scan position; and
DA conversion means that outputs an analog signal of a voltage value representing the determining threshold value, wherein the detecting means has a comparator for comparing the analog signal output from the DA conversion means with the detection signal.
11. A surface inspecting device, characterized by comprising:
a sensor head for scanning an inner surface of a bore formed in a cylinder block by a cutting work while irradiating the inner surface with light, and outputting a detection signal corresponding to a light amount of reflection light of the light; and
detecting means that detects a flaw on the inner surface on the basis of the detection signal, wherein the detecting means changes a determining threshold value for the detection signal for determining the flaw in accordance with an intersecting angle between a scan direction at a scan position of the sensor head and a direction of the cutting work.
12. The surface inspecting device according to claim 11, wherein the detecting means has noise compression means for lowering a voltage value of a voltage range corresponding to noise to subject the detection signal to noise compression, and the noise compression means changes the voltage range in accordance with an intersection angle between the scan direction and the cutting work direction at the scan position of the sensor head.
13. The surface inspecting device according to claim 11, further comprising:
storage means that stores the determining threshold value corresponding to the intersection angle between the scan direction at the scan position of the sensor head and the direction of the cutting work in association with the scan position; and
DA conversion means that outputs an analog signal of a voltage value representing the determining threshold value, wherein the detecting means has a comparator for comparing the analog signal output from the DA conversion means with the detection signal.
14. The surface inspecting device according to claim 2, wherein pixels having pixel values exceeding a predetermined pixel value in the estimation image are color-coded together with respective pixels of the one-dimensional spectral image containing the pixels.
15. The surface inspecting device according to claim 3, wherein pixels having pixel values exceeding a predetermined pixel value in the estimation image are color-coded together with respective pixels of the one-dimensional spectral image containing the pixels.
16. The surface inspecting device according to claim 9, characterized by comprising:
storage means that stores the determining threshold value corresponding to the intersection angle between the scan direction at the scan position of the sensor head and the direction of the cutting work in association with the scan position; and
DA conversion means that outputs an analog signal of a voltage value representing the determining threshold value, wherein the detecting means has a comparator for comparing the analog signal output from the DA conversion means with the detection signal.
17. The surface inspecting device according to claim 12, further comprising:
storage means that stores the determining threshold value corresponding to the intersection angle between the scan direction at the scan position of the sensor head and the direction of the cutting work in association with the scan position; and
DA conversion means that outputs an analog signal of a voltage value representing the determining threshold value, wherein the detecting means has a comparator for comparing the analog signal output from the DA conversion means with the detection signal.