1. An earthquake monitoring device, comprising:
a sensor for sensing vibration;
a base having an upper surface formed into a level surface, wherein the sensor is secured to the upper surface of the base and the base is placed on excavated ground such that the upper surface is positioned on a ground surface or the sensor on the upper surfaces intersects the ground surface;
a plurality of shallow piles each having an upper portion inserted into and secured to a lower portion of the base and protruding from the lower portion of the base in a direction of gravity;
a plurality of sockets each coupled to a lower portion of each of the shallow piles; and
a plurality of deep piles each having an upper portion coupled to the socket and protruding from the lower portion of each of the shallow piles.
2. The earthquake monitoring device according to claim 1, further comprising:
a plurality of guide bars coupled to side surfaces of the sockets to connect the sockets with each other in a lateral direction.
3. The earthquake monitoring device according to claim 1, further comprising:
a housing placed on the upper portion of the base to accommodate the sensor therein.
4. The earthquake monitoring device according to claim 1, characterized in that the base has a thickness 1 to 2 times the thickness of the sensor, and a distance between an edge of the sensor and an edge of the base is 1 to 1.5 times the diameter of the sensor.
5. The earthquake monitoring device according to claim 1, characterized in that the base comprises one material selected from among concrete, reinforced concrete, soil-cement, timber, rubber, plastic, and rock.
6. The earthquake monitoring device according to claim 1, characterized in that the base has a bottom surface with high roughness.
7. The earthquake monitoring device according to claim 1, characterized in that the upper surface of the base is formed at a central region thereof with a sensor anchor securing portion having a groove shape to fix the sensor through an anchor.
8. The earthquake monitoring device according to claim 1, characterized in that the shallow piles are made of steel or aluminum.
9. The earthquake monitoring device according to claim 1, characterized in that the shallow piles have a length corresponding to a thickness of the base.
10. The earthquake monitoring device according to claim 3, characterized in that the housing is provided at an upper side thereof with a lid capable of being rotated open or closed, and at a side surface thereof with a flexible tube connecting cables.
11. A method of installing an earthquake monitoring device, comprising:
excavating original ground;
placing a base on the excavated ground such that an upper surface of the base is positioned on a ground surface or a sensor on the upper surface of the base intersects the ground surface;
inserting shallow piles into, and securing to, a lower portion of the base to protrude from the lower portion of the base in a direction of gravity;
installing the base by vertically positioning deep piles by penetrating the deep piles into the excavated ground in a push-in manner, coupling sockets on upper portions of the deep piles; coupling guide bars to side surfaces of the sockets to connect the sockets with each other; and coupling upper portions of the sockets to lower portions of the shallow piles;
backfilling the excavated ground; and
fixing a sensor for sensing vibration to a sensor location on the upper surface of the base.
12. The method according to claim 11, further comprising placing a housing on the upper portion of the base to accommodate the sensor before or after fixing the sensor.
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. An eyeglasses assembly comprising:
eyeglasses comprising a first eyeglasses temple bar, a second eyeglasses temple bar, a first lens, a second lens, and an eyeglasses frame, the eyeglasses frame comprising an eyeglasses nosebridge;
an auxiliary eyeglasses attachment, comprising an auxiliary frame, two auxiliary lenses and an auxiliary nosebridge; and
at least one magnetic hinge attached to the eyeglasses frame and at least one auxiliary magnet attached to the auxiliary eyeglasses attachment;
wherein the magnetic hinge attaches the auxiliary eyeglasses attachment to the eyeglasses; and
wherein the magnetic hinge allows the auxiliary eyeglasses attachment to rotate relative to the eyeglasses while maintaining magnetic contact between the magnet and the auxiliary magnet during rotation.
2. The eyeglasses assembly of claim 1, wherein each magnetic hinge allows die auxiliary eyeglasses attachment to rotate between at least a down position and an up position.
3. The eyeglasses assembly of claim 1, wherein each magnetic hinge is capable of maintaining the auxiliary eyeglasses attachment in a position where the auxiliary eyeglasses attachment is rotated away from the eyeglasses.
4. The eyeglasses assembly of claim 1, wherein the eyeglasses further comprise a clasp magnet and the auxiliary eyeglasses further comprise an auxiliary clasp magnet that attracts the clasp magnet at least when the auxiliary eyeglasses attachment is in a down position.
5. The eyeglasses assembly of claim 1, wherein the lenses are corrective lenses, magnifying lenses, shading lenses, light-filtering lenses, or non-corrective lenses.
6. The eyeglasses assembly of claim 1, wherein the auxiliary lenses are corrective lenses, magnifying lenses, shading lenses, light-filtering lenses, or non-corrective lenses.
7. The eyeglasses assembly of claim 1, wherein the magnetic hinge comprises at least one magnet.
8. The eyeglasses assembly of claim 7, wherein each magnet and each auxiliary magnet are neodymium magnets.
9. An eyeglasses assembly comprising:
eyeglasses comprising a first eyeglasses temple bar, a second eyeglasses temple bar, a first lens, a second lens, and an eyeglasses flame, the eyeglasses frame comprising an eyeglasses nosebridge;
an auxiliary eyeglasses attachment, comprising an auxiliary flame, two auxiliary lenses and an auxiliary nosebridge; and
at least one magnetic hinge attached to a top portion of the eyeglasses frame and at least one auxiliary magnet attached to the auxiliary eyeglasses attachment;
wherein the magnetic hinge attaches the auxiliary eyeglasses attachment to the eyeglasses; and
wherein the magnetic hinge allows the auxiliary eyeglasses attachment to rotate relative to the eyeglasses while maintaining magnetic contact between the magnet and the auxiliary magnet during rotation.
10. The eyeglasses assembly of claim 9, wherein each magnetic hinge allows the auxiliary eyeglasses attachment to rotate between at least a down position and an up position.
11. The eyeglasses assembly of claim 9, wherein each magnetic hinge is capable of maintaining the auxiliary eyeglasses attachment in a position where the auxiliary eyeglasses attachment Is rotated away from the eyeglasses.
12. The eyeglasses assembly of claim 9, wherein the eyeglasses further comprise a clasp magnet and the auxiliary eyeglasses further comprise an auxiliary clasp magnet that attracts the clasp magnet at least when the auxiliary eyeglasses attachment is in a down position.
13. The eyeglasses assembly of claim 9, wherein the lenses are corrective lenses, magnifying lenses, shading lenses, light-filtering lenses, or non-corrective lenses.
14. The eyeglasses assembly of claim 9, wherein the auxiliary lenses are corrective lenses, magnifying lenses, shading lenses, light-filtering lenses, or non-corrective lenses.
15. The eyeglasses assembly of claim 9, wherein the magnetic hinge comprises at least one magnet.
16. The eyeglasses assembly or claim 15, wherein each magnet and each auxiliary magnet are neodymium magnets.