Structure for mounting an optical circuit

• US 5,956,449 A
• Filed: 09/02/1997
• Issued: 09/21/1999
• Est. Priority Date: 02/26/1997
• Status: Expired due to Fees

• Current Assignee: NEC Corporation
• Original Assignee: NEC Corporation
• Inventors: Tada, Shohei, Otani, Hiroshi
• Primary Examiner(s): Sanghavi, Hemang
• Application Number:
  US08/922,700
• Time in Patent Office: 749 Days
• Field of Search: 385/134-136
• US Class Current: 385/134
• CPC Class Codes: G02B 6/4454 with splices

Abstract

In an optical circuit mounting structure of the present invention, a surface for mounting an optical circuit is implemented as three separate structural members (1, 2, 3) in the form of aluminum plates. The structural member (1, 2, 3) are connected together by hinges (7, 8). Optical parts (4), splices (5), connectors (6) for external lines and so forth are mounted on the circuit mounting surfaces of the structural members (1, 2, 3). The optical parts (4) are interconnected by optical fibers (9). The fibers (9) and their extra length portions (10) are affixed to the structural members (1, 2, 3) by fiber retainers 11. At the portions where the structural members (1, 2, 3) join each other, the fibers (9) intersect the axes of the hinges (7, 8) at an acute angle. After assemblage and adjustment, the structural members (1, 2, 3) are selectively folded upward and downward by 180 degrees about the associated flanges (7, 8) and then affixed together.

Claims

1. A structure for mounting an optical circuit, comprising:

a plurality of separate structural members for mounting and affixing optical parts and optical fibers; and

a plurality of hinges foldably connecting said plurality of structural members;

wherein when said plurality of hinges are opened, said optical parts and said optical fibers are positioned on surfaces of said plurality of structural members lying in a same plane; and

wherein said optical fibers intersect axes of said plurality of hinges at an acute angle at positions where said plurality of hinges connect said plurality of structural members.

2. A structure as claimed in claim 1, wherein said plurality of structural members comprise at least three structural members connected in such a manner as to include an upward fold and a downward fold.

3. A structure as claimed in claim 1, wherein said plurality of structural members comprise at least three structural members, wherein said plurality of hinge have axes extending parallel to each other, wherein said plurality of structural members are positioned in an array when said plurality of hinges are opened, and wherein an upward fold and a downward fold alternate with each other when said hinges are closed.

4. A structure as claimed in claim 1, wherein when said plurality of hinges are closed, said plurality of structural members are parallel to each other while being spaced by a preselected clearance, and wherein said plurality of structural members include a structure for affixing said plurality of structural members to each other.

5. A structure as claimed in claim 1, wherein said plurality of hinges have axes spaced by a preselected distance from and perpendicularly to surfaces of said plurality of structural members for mounting said optical parts and said optical fibers.

6. A structure as claimed in claim 1, wherein said plurality of structural members have a substantially square configuration and formed with notches in sides thereof adjoining said plurality of hinges.

7. A structure for mounting an optical circuit, comprising:

a plurality of separate structural members for mounting and affixing optical parts and optical fibers, said plurality of structural members comprising at least three structural members connected in such a manner as to include an upward fold and downward fold;

a plurality of hinges foldably connecting said plurality of structural members;

at least two of said at least three structural members having notches in sides thereof adjoining said plurality of hinges for allowing the optical fibers to pass therethrough;

wherein when said plurality of hinges are opened, said optical parts and said optical fibers are positioned on surfaces of said plurality of structural members lying in a same plane and said notches are facing each other, and when said plurality of hinges are closed, said notches are overlapping each other.