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Class Information
Number: 359/631
Name: Optical: systems and elements > Single channel simultaneously to or from plural channels (e.g., light dividing, combining, or plural image forming, etc.) > By partial reflection at beam splitting or combining surface > Superimposing visual information on observer`s field of view (e.g., head-up arrangement, etc.) > Including curved reflector
Description: Subject matter including a reflecting element having a surface with a smoothly concave or convex configuration in the optical path of the light that produces an image.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4723160 |
Windscreen deviation correcting pilot display |
Feb. 2, 1988 |
| 4669810 |
Head up display system |
Jun. 2, 1987 |
| 4653875 |
Infinity display apparatus using cylindrical beam-splitters |
Mar. 31, 1987 |
| 4632508 |
Windscreen deviation correcting pilot display |
Dec. 30, 1986 |
| 4592620 |
Display units for aircraft |
Jun. 3, 1986 |
| 4582389 |
Holographic device |
Apr. 15, 1986 |
| 4465347 |
Helmet mounted telescope |
Aug. 14, 1984 |
| 4383740 |
Infinity image visual display system |
May. 17, 1983 |
| 4348185 |
Wide angle infinity display system |
Sep. 7, 1982 |
| 4345817 |
Wide angle display device |
Aug. 24, 1982 |
| 4220400 |
Display apparatus with reflective separated structure |
Sep. 2, 1980 |
| 4082432 |
Head-up visual display system using on-axis optics with image window at the focal plane of the collimating mirror |
Apr. 4, 1978 |
| 4082440 |
Compact microform reader |
Apr. 4, 1978 |
| 4081209 |
Headgear with spherical semi-reflecting surface |
Mar. 28, 1978 |
| RE28847 |
Inside helmet sight display apparatus |
Jun. 8, 1976 |
| 3936605 |
Eyeglass mounted visual display |
Feb. 3, 1976 |
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