Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 5804102 | Plasma display filter A plasma display filter for efficiently cutting off near infrared rays radiated from a plasma display so that malfunction of electronic equipment located around the display making use of near infrared light can be avoided. The filter contains in a base ma... | 09/08/1998 |
| 5788914 | Near infrared ray absorbing compound having high durability and its use A near infrared ray absorbing compound having an improved solubility and light resistance can be obtained by amidating and/or imidating the amino groups on substituents of a phthalocyanine. According to its preparation process, the desired near infrared r... | 08/04/1998 |
| 5750229 | Phthalocyanine compound and optical recording medium containing it A phthalocyanine represented by the formula (1) ##STR1## wherein each of R1, R2, R3 and R4 is independently an alkyl group substituted by 0 to 5 halogen atoms and having 1 to 20 carbon atoms, an alkenyl gro... | 05/12/1998 |
| 5750599 | Quinophthalone compounds and polarizing films using same Novel quinophthalone compounds, which are represented by the following formula (1): ##STR1## R1 -R5 each independently represents a hydrogen or halogen atom or a hydroxy, linear or branched alkyl, substituted or unsubstituted ... | 05/12/1998 |
| 5659039 | Quinophthalone compounds Novel quinophthalone compounds, which are represented by the following formula (1): ##STR1## R1 -R5 each independently represents a hydrogen or halogen atom or a hydroxy, linear or branched alkyl, substituted or unsubstituted ... | 08/19/1997 |
| 5646273 | Phthalocyanine compound and optical recording medium containing it A phthalocyanine represented by the formula (1) ##STR1## wherein each of R1, R2, R3 and R4 is independently an alkyl group substituted by 0 to 5 halogen atoms and having 1 to 20 carbon atoms, an alkenyl gro... | 07/08/1997 |
| 5446142 | Phthalocyanine and naphthalocyanine light-absorbing compound and optical recording medium containing same The present invention provides a light-absorbing compound represented by the formula (I): Dye-(OR1)(OR2)(OR3) . . . (ORn) (I) wherein Dye is a light-absorbing compound residue having at least one aromatic ring... | 08/29/1995 |
