초록 ▼

A corner assembly for concrete form panels has a pair of rigid members. Each member has a bend therein to form a selected dihedral angle. The members are spaced apart by a selected distance and a removable bridge is disposed between the pair of rigid members. At least one concrete panel form is juxt

A corner assembly for concrete form panels has a pair of rigid members. Each member has a bend therein to form a selected dihedral angle. The members are spaced apart by a selected distance and a removable bridge is disposed between the pair of rigid members. At least one concrete panel form is juxtapositioned to and connected to each of the rigid members. One of the rigid members is disposed exteriorly of the at least one concrete panel form. Concrete is disposed interiorly of the at least one concrete panel form. The corner assembly is adjustable to provide support for the corner of the construction.

대표청구항 ▼

A corner assembly for concrete form panels has a pair of rigid members. Each member has a bend therein to form a selected dihedral angle. The members are spaced apart by a selected distance and a removable bridge is disposed between the pair of rigid members. At least one concrete panel form is juxt

A corner assembly for concrete form panels has a pair of rigid members. Each member has a bend therein to form a selected dihedral angle. The members are spaced apart by a selected distance and a removable bridge is disposed between the pair of rigid members. At least one concrete panel form is juxtapositioned to and connected to each of the rigid members. One of the rigid members is disposed exteriorly of the at least one concrete panel form. Concrete is disposed interiorly of the at least one concrete panel form. The corner assembly is adjustable to provide support for the corner of the construction. 9056, 19940300, Kurata et al., 359/341.1; US-5539577, 19960700, Si et al., 359/583; US-5657155, 19970800, Cheng, 359/341.1; US-5917626, 19990600, Lee, 359/124; US-6084994, 20000700, Li et al., 359/131 ding having a second index of refraction lower than the first index of refraction, the first core operable to communicate the optical signal such that it contacts the reflective surface at an input angle; and the first output optical fiber comprises a second core operable to receive the optical signal at an output angle determined based upon the input angle and having a third index of refraction substantially similar to the first index of refraction. 9. The optical switch of claim 8, wherein a portion of the cladding of the first optical fiber is removed such that the second core is positioned proximal to first core. 10. The optical switch of claim 1, wherein the input waveguide comprises a first input waveguide and further comprising a second input waveguide coupled to the second output waveguide such that a contact surface of the second output waveguide totally internally reflects a second optical signal communicated by the second input waveguide when the second output waveguide is placed in the first position and such that the first output waveguide receives the second optical signal when the second output waveguide is placed in the second position. 11. The optical switch of claim 1, wherein: the input waveguide comprises a planar waveguide formed in a first refractive material; the first output waveguide comprises a planar waveguide formed in the first refractive material; and the second output waveguide comprises a planar waveguide formed in a second refractive material. 12. The optical switch of claim 11, wherein: the first refractive material has a first index of refraction; the input waveguide has a second index of refraction that is higher than the first index of refraction; and the second output waveguide has a third index of refraction substantially similar to the second index of refraction. 13. The optical switch of claim 10, wherein: the first input waveguide comprises a planar waveguide formed in a first refractive material; the first output waveguide comprises a planar waveguide formed in the first refractive material; the second input waveguide comprises a planar waveguide formed in a second refractive material; and the second output waveguide comprises a planar waveguide formed in the second refractive material. 14. The optical switch of claim 13, wherein: the second refractive material has a first index of refraction; the second input waveguide has a second index of refraction that is higher than the first index of refraction; and the first output waveguide has a third index of refraction substantially similar to the second index of refraction. 15. The optical switch of claim 10, wherein: the first input waveguide comprises a first input optical fiber; the first output waveguide comprises a first output optical fiber; the second input waveguide comprises a second input optical fiber; and the second output waveguide comprises a second output optical fiber. 16. The optical switch of claim 1, wherein: the input waveguide comprises a planar waveguide formed in a refractive material; the first output waveguide comprises a planar waveguide formed in the refractive material; and the second output waveguide comprises an output optical fiber. 17. The optical switch of claim 10, wherein: the first input waveguide comprises a planar waveguide formed in a refractive material; the first output waveguide comprises a planar waveguide formed in the refractive material; the second input waveguide comprises an input optical fiber; and the second output waveguide comprises an output optical fiber. 18. A method for processing an optical signal, comprising: communicating an optical signal in a first waveguide; totally internally reflecting the optical signal at a reflective surface of the first waveguide toward a second waveguide; placing a third waveguide in proximal contact with the first waveguide to frustrate the total internal reflection of the optical signal; and receiving the optical signal in the third waveguide. 19. The method of claim 18, further comprising controllably varying the spacing between the third waveguide and the first waveguide to generate a first optical beam and a second optical beam. 20. The method of claim 18, wherein the step of placing the third waveguide further comprises actuating an actuator coupled to the third waveguide in response to a control signal. 21. The method of claim 18, wherein the step of communicating the optical signal in the first waveguide comprises communicating the optical signal such that the optical signal contacts the reflective surface at an input angle, and further comprising the step of receiving the optical signal in the second waveguide at an output angle determined based upon the input angle. 22. The method of claim 18, wherein the first waveguide comprises a longitudinal axis and the reflective surface is at an angle to a plane that is normal to the longitudinal axis. 23. The method of claim 22, wherein: the third waveguide comprises a longitudinal axis and a contact surface that is substantially parallel to the reflective surface of the first waveguide when the longitudinal axis of the third waveguide is substantially aligned with the longitudinal axis of the first waveguide; and the step of placing the third waveguide in proximal contact with the first waveguide comprises placing the contact surface of the third waveguide in proximal contact with the reflective surface of the first waveguide. 24. The method of claim 18, wherein the second waveguide and the third waveguide are arranged in two dimensions. 25. The method of claim 18, wherein: the first waveguide comprises an input optical fiber; the second waveguide comprises a first output optical fiber; and the third waveguide comprises a second output optical fiber. 26. The method of claim 18, wherein: the first waveguide comprises an input planar waveguide formed in a first refractive material; the second waveguide comprises a first output planar waveguide formed in the first refractive material; and the third waveguide comprises a second output planar waveguide formed in a second refractive material. 27. The method of claim 26, wherein: the first refractive material has a first index of refraction; the input planar waveguide has a second index of refraction; and the second output planar waveguide has a third index of refraction substantially similar to the second index of refraction. 28. The method of claim 18, wherein: the first waveguide comprises an input planar waveguide formed in a refractive material; the second waveguide comprises an output planar waveguide formed in the refractive material; and the third waveguide comprises an output optical fiber. 29. An optical switch for processing an optical signal, comprising: an input waveguide having a reflective surface; a first output waveguide coupled to the input waveguide; a second output waveguide; and a switching waveguide having a first position spaced apart from the reflective surface of the input waveguide such that the reflective surface totally internally reflects an optical signal toward the first output waveguide, and the switching waveguide having a second position in proximal contact with the reflective surface to frustrate the total internal reflection of the optical signal such that the switching waveguide communicates the optical signal toward the second output waveguide. 30. The optical switch of claim 29, wherein the optical signal contacts the reflective surface at an input angle and the first output waveguide receives the optical signal at an output angle determined based upon the input angle. 31. The optical switch of claim 29, wherein the input waveguide comprises a longitudinal axis and the reflective surface is at an angle to a plane that is normal to the longitudinal axis. 32. The optical switch of claim 31, wherein the switching waveguide comprises a longitu