JPS5520703B2 - - Google Patents
Info
- Publication number
- JPS5520703B2 JPS5520703B2 JP14915575A JP14915575A JPS5520703B2 JP S5520703 B2 JPS5520703 B2 JP S5520703B2 JP 14915575 A JP14915575 A JP 14915575A JP 14915575 A JP14915575 A JP 14915575A JP S5520703 B2 JPS5520703 B2 JP S5520703B2
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2826—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Pinball Game Machines (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14915575A JPS5274442A (en) | 1975-12-16 | 1975-12-16 | Unfair practice prevention device for pachinko game machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14915575A JPS5274442A (en) | 1975-12-16 | 1975-12-16 | Unfair practice prevention device for pachinko game machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5274442A JPS5274442A (en) | 1977-06-22 |
| JPS5520703B2 true JPS5520703B2 (enrdf_load_stackoverflow) | 1980-06-04 |
Family
ID=15468978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14915575A Granted JPS5274442A (en) | 1975-12-16 | 1975-12-16 | Unfair practice prevention device for pachinko game machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5274442A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5659074U (enrdf_load_stackoverflow) * | 1979-09-20 | 1981-05-20 |
-
1975
- 1975-12-16 JP JP14915575A patent/JPS5274442A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5274442A (en) | 1977-06-22 |