Baffles, shutters, apertures or the like against external light

Industry

CPC
H01J2229/8909

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J2229/00Details of cathode ray tubes or electron beam tubes

Current Industry

H01J2229/8909Baffles, shutters, apertures or the like against external light

Industries

Patents Grantslast 30 patents

Information Patent Grant
Methods for reflection reductions
- Patent number 7,686,462
- Issue date Mar 30, 2010
- Tenebraex Corporation
- Peter W. J. Jones
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light shielding screen structure and a process for producing the same
- Patent number 4,877,308
- Issue date Oct 31, 1989
- Asahi Kasei Kogyo Kabushiki Kaisha
- Osamu Okuno
- G02 - OPTICS
Information Patent Grant
Light-shielding screen and a process for producing the same
- Patent number 4,820,021
- Issue date Apr 11, 1989
- Asahi Kasei Kogyo Kabushiki Kaisha
- Yutaka Usubuchi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Miniature gamma camera
- Patent number 4,791,300
- Issue date Dec 13, 1988
- QTR Corporation
- Lo I. Yin
- G01 - MEASURING TESTING
Information Patent Grant
Directional light-shield board
- Patent number 4,709,988
- Issue date Dec 1, 1987
- Nissan Motor Co., Ltd.
- Yasuaki Kai
- G02 - OPTICS
Information Patent Grant
Faceplate incorporating an off-axis filter
- Patent number 4,669,813
- Issue date Jun 2, 1987
- Incom, Inc.
- Richard V. Jeskey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making a direction sensitive contrast enhancement filter
- Patent number 4,405,939
- Issue date Sep 20, 1983
- The Bendix Corporation
- Mitchell Aron
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3909524
- Patent number 3,909,524
- Issue date Sep 30, 1975
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHODS FOR REFLECTION REDUCTIONS
- Publication number 20020039236
- Publication date Apr 4, 2002
- PETER W.J. JONES
- H01 - BASIC ELECTRIC ELEMENTS

Baffles, shutters, apertures or the like against external light

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Methods for reflection reductions

Light shielding screen structure and a process for producing the same

Light-shielding screen and a process for producing the same

Miniature gamma camera

Directional light-shield board

Faceplate incorporating an off-axis filter

Method for making a direction sensitive contrast enhancement filter

3909524

Patents Applicationslast 30 patents

METHODS FOR REFLECTION REDUCTIONS