Class 385: OPTICAL WAVEGUIDES ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division

[Manual of Classification, Class Listing]

Manual of U.S. Patent Classification
as of June 30, 2000

Class
385
OPTICAL WAVEGUIDES

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Subclass		Title
ClassTitle		===> OPTICAL WAVEGUIDES

1		TEMPORAL OPTICAL MODULATION WITHIN AN OPTICAL WAVEGUIDE
2		. Electro-optic
3		. . Phase modulation type
4		DIRECTIONAL OPTICAL MODULATION WITHIN AN OPTICAL WAVEGUIDE
5		. Light intensity dependent (e.g., nonlinear effects)
6		. Magneto-optic
7		. Acousto-optic
8		. Electro-optic
9		. . Coupling between waveguides
10		. . Diffraction grating (e.g., Bragg)
11		POLARIZATION WITHOUT MODULATION
12		OPTICAL WAVEGUIDE SENSOR
13		. Including physical deformation or movement of waveguide
14		INTEGRATED OPTICAL CIRCUIT
15		WITH OPTICAL COUPLER
16		. Switch (i.e., switching from one terminal to another, not modulation)
17		. . Matrix switch (i.e., M X N, where M and N are 3 or more)
18		. . Reflective-type switch
19		. . Stationary waveguides with movable opaque element
20		. . Multiple pole multiple throw
21		. . . Double pole multiple throw
22		. . Single pole multiple throw (relay switch)
23		. . Single pole single throw
24		. Plural (e.g., data bus)
25		. Movable coupler
26		. . Slip ring
27		. Particular coupling function
28		. . Coupling between modes in a waveguide or fiber
29		. . . Mode strippers
30		. . Evanescent wave coupling
31		. Input/output coupler
32		. . Coupling light through a waveguide bend or loop
33		. . Lens
34		. . . Rod type
35		. . . Spherical
36		. . Prism
37		. . Grating
38		. . End fire
39		. Particular coupling structure
40		. . Electrodes on or near the coupling region
41		. . . Directional coupler
42		. . Directional coupler
43		. . Tapered coupler
44		. . "T" coupler or duplex coupler
45		. . "Y" coupler
46		. . Star coupler
47		. . Multiport coupler using reflective surface
48		. . Access couplers, power tappers, or power dividers
49		. . Fiber to thin film devices
50		. . Waveguide to waveguide
51		. Permanently fixed coupler
52		. With alignment device
53		WITH DISENGAGABLE MECHANICAL CONNECTOR
54		. Structure surrounding optical fiber bundle-to-bundle connection
55		. Structure surrounding optical fiber-to-fiber connection
56		. . Multi-part (e.g., two pieces screwed together or bayonet latched)
57		. . . Magnetically actuated
58		. . . With additional structure at or immediately surrounding each optical fiber end face
59		. . . . Plural fiber-to-fiber connections
60		. . . . Fiber end held in ferrule
61		. . . . . Lens-shaped ferrule
62		. . . . . Compressively fixed (e.g., chuck, collet, crimp, set screws, etc.)
63		. . . . . Plate-type holding structure (e.g., jewel)
64		. . . . . Plural rods or balls structure
65		. . . . . Groove-type holding structure
66		. . . . . Tube-type holding structure
67		. . . . . . Eccentric arrangement
68		. . . . . . Capillary tubes
69		. . . With additional structure rearward of fiber joint to secure additional cable layers
70		. . With additional structure at or immediately surrounding each optical fiber end face
71		. . . Plural fiber-to-fiber connections
72		. . . Fiber end held in ferrule
73		. . With additional optical element between facing fiber ends
74		. . . Lens
75		. . With additional nonoptical structure
76		. Optical fiber/optical fiber cable termination structure
77		. . At or immediately surrounding an optical fiber end face
78		. . . Fiber end held in ferrule
79		. . . . Lens-shaped ferrule
80		. . . . Adhesively fixed
81		. . . . Compressively fixed (chuck, collet, crimp, set screw, etc.)
82		. . . . Plural rods or balls structure
83		. . . . Groove-type holding structure
84		. . . . Tube-type holding structure
85		. . . . Fiber/ferrule further processed (grinding, polishing, etc.)
86		. . Structure rearward of optical fiber end face to secure additional fiber or cable layers
87		. . . Having at least one layer compressively fixed (e.g., crimp, tightening screws, etc.)
88		. Optical fiber to a nonfiber optical device connector
89		. . Plural fiber/device connections
90		. . Fiber adjustable relative to device
91		. . . Fiber permanently fixed after adjustment
92		. . With housing
93		. . . Including lens
94		. . . Sealed from environment
95		WITH SPLICE (PERMANENT CONNECTION)
96		. Fusion splicing
97		. Alignment of fiber ends prior to splicing
98		. . End-to-end (butt) coupling
99		. Including splice joint reinforcement
100		OPTICAL TRANSMISSION CABLE
101		. With electrical conductor in the same cable
102		. Tightly confined (i.e., fiber tightly held inside the outer sheath)
103		. . Having a central strength member
104		. . Particular fiber orientation (e.g., helically wound, etc.)
105		. . Compartmentalized
106		. . Plural unit type (plural complete cables within a single outside sheath)
107		. . With armoring
108		. . . Prestressed
109		. Loose tube type
110		. . Compartmentalized
111		. . Particular fiber orientation
112		. . Plural unit type
113		. . With strength member
114		. Ribbon cable
115		OPTICAL FIBER BUNDLE
116		. Imaging (i.e., with coherent fiber structure and includes shaping, enhancing, and correcting)
117		. . For fiber scope (endoscope)
118		. . . With manipulator
119		. . With lens or mirror
120		. Fiber bundle plate
121		. Transition between geometric shapes
122		HAVING NONLINEAR PROPERTY
123		OPTICAL FIBER WAVEGUIDE WITH CLADDING
124		. With graded index core or cladding
125		. Utilizing nonsolid core or cladding
126		. Utilizing multiple core or cladding
127		. . Concentric
128		. . . Where the second or further layer is a coating
129		PLANAR OPTICAL WAVEGUIDE
130		. Thin film optical waveguide
131		. . Multilayer structure (mixture)
132		. . Channel waveguide
133		OPTICAL IMAGING TUNNEL
134		ACCESSORIES
135		. Splice box and surplus fiber storage/trays/organizers/ carriers
136		. External retainer/clamp
137		. . Fiber holder (i.e., for single fiber or holding multiple single fibers together)
138		. Bushing structure (e.g., penetrator)
139		. Plug/termination device
140		. Attenuator
141		HAVING PARTICULAR OPTICAL CHARACTERISTIC MODIFYING CHEMICAL COMPOSITION
142		. Of waveguide core
143		. . Organic
144		. Of waveguide cladding
145		. . Organic
146		NONCYCLINDRICAL OR NONPLANAR SHAPED WAVEGUIDE
147		MISCELLANEOUS
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		CROSS-REFERENCE ART COLLECTIONS
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900		SOLAR COLLECTOR OR TRANSMITTER
901		ILLUMINATING OR DISPLAY APPARATUS
902		NONBUNDLE FIBERSCOPE DEVICES

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tel: (703) 306-2600
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Last Modified: 6 October 2000

Manual of U.S. Patent Classification as of June 30, 2000

Class 385 OPTICAL WAVEGUIDES

Manual of U.S. Patent Classification
as of June 30, 2000

Class
385
OPTICAL WAVEGUIDES