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Class Information
Number: 348/291
Name: Television > Camera, system and detail > With single image scanning device supplying plural color signals > Cathode-ray tube > Frequency separable signals > Specified optical filter arrangement > Combined with grating, lens array, or refractor
Description: Subject matter wherein the optical filter arrangement includes a diffraction grating, a single or a multiple element refractor.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7009652 |
Image input apparatus |
Mar. 7, 2006 |
| 6619801 |
Projection type image display apparatus realizing three-dimensional image |
Sep. 16, 2003 |
| 6568810 |
Illumination optical system and projection display apparatus incorporating the same |
May. 27, 2003 |
| 6137535 |
Compact digital camera with segmented fields of view |
Oct. 24, 2000 |
| 5995279 |
Optical element, and taking optical system and image pickup apparatus using it |
Nov. 30, 1999 |
| 5592223 |
Charge-coupled device having on-chip lens |
Jan. 7, 1997 |
| 5550663 |
Method of manufacturing optical low-pass filter |
Aug. 27, 1996 |
| 5461418 |
Color image pickup apparatus provided with a diffraction type low-pass filter |
Oct. 24, 1995 |
| 4998800 |
Optical low pass filter |
Mar. 12, 1991 |
| 4795236 |
Optical low pass filter utilizing a phase grating |
Jan. 3, 1989 |
| 4743100 |
Optical low pass filter |
May. 10, 1988 |
| 4539584 |
Television camera having an optical filter |
Sep. 3, 1985 |
| 4506949 |
Diffractive color separation filter |
Mar. 26, 1985 |
| 4477148 |
Optical low-pass filter |
Oct. 16, 1984 |
| 4472735 |
Optical low-pass filter |
Sep. 18, 1984 |
| 4445136 |
Television camera having an optical lowpass filter |
Apr. 24, 1984 |
| 4178611 |
Optical low pass filter |
Dec. 11, 1979 |
| 4101929 |
Color encoding video system with optical low pass filter |
Jul. 18, 1978 |
| 4100570 |
Optical image pickup system |
Jul. 11, 1978 |
| 4093346 |
Optical low pass filter |
Jun. 6, 1978 |
| 4079411 |
Diffractive phase filter having near field wavelength dependent focusing properties |
Mar. 14, 1978 |
| 4068260 |
Combination optical low pass filter capable of phase and amplitude modulation |
Jan. 10, 1978 |
| 4030118 |
Color encoding camera utilizing comb filtering for color signal separation |
Jun. 14, 1977 |
| 4009939 |
Double layered optical low pass filter permitting improved image resolution |
Mar. 1, 1977 |
| 3969764 |
Color television camera |
Jul. 13, 1976 |
| 3940788 |
Color television camera optical system |
Feb. 24, 1976 |
| RE28702 |
Noninteracting lens system for a color encoding camera |
Jan. 27, 1976 |
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