JPS599678U

JPS599678U - Color separation optical device for color television cameras

Info

Publication number: JPS599678U
Application number: JP10479482U
Authority: JP
Inventors: 哲郎田中; 中部　隆平
Original assignee: 株式会社大和真空工業所; 松下電器産業株式会社
Priority date: 1982-07-09
Filing date: 1982-07-09
Publication date: 1984-01-21
Also published as: JPS6329347Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図ないし第４図は本考案が適用されるカラーテレビ
ジョンカメラの色分離装置に関するものであって、第１
図は回路構成図、第２図は撮像管１の前面のＣＣＤ構造
を示す図、第３図は色ストライプフィルタ２の特性図、
第４図は第２図の光電変換領域１１上における色とその
走査方向を示す図である。第５図ないし第１０図はいず
れも本考案実施例に関する図であって、第５図は全体溝
、成因、第６図は複屈折板３の作用説明図、第７図及び
第β図は色補正フィルタ４の特性図、第９図は赤外線カ
ットフィルタ５の特性図、第１０図は第５図に示す実施
例の特性図である。３・・・複屈折板、４・・・色補正フィルタ、５・・・
赤外線カットフィルタ。1 to 4 relate to a color separation device for a color television camera to which the present invention is applied;
The figure is a circuit configuration diagram, FIG. 2 is a diagram showing the CCD structure on the front side of the image pickup tube 1, and FIG. 3 is a characteristic diagram of the color stripe filter 2.
FIG. 4 is a diagram showing colors on the photoelectric conversion area 11 of FIG. 2 and their scanning directions. 5 to 10 are all diagrams related to the embodiment of the present invention, in which FIG. 5 shows the overall groove, its origin, FIG. 6 is an explanatory diagram of the action of the birefringent plate 3, and FIG. 7 and FIG. FIG. 9 is a characteristic diagram of the color correction filter 4, FIG. 9 is a characteristic diagram of the infrared cut filter 5, and FIG. 10 is a characteristic diagram of the embodiment shown in FIG. 3... Birefringent plate, 4... Color correction filter, 5...
Infrared cut filter.

Claims

[Scope of utility model registration request]

(1) On one side of a birefringent plate with a predetermined thickness, a center frequency range of 580 to 590 nm and a bandwidth of 100 nm or less,
A color separation optical device for a color television camera, which has a frequency characteristic of transmittance of 20 to 80% at a center frequency and is provided with a color correction optical filter having an interference thin film structure.

(2) The color separation optical device for color television according to claim 1, which is provided with an infrared cut filter having an interference thin film structure in parallel with the birefringent plate.

(3) The color separation optical device for color television according to claim 1 or 2, wherein the refraction plate is a quartz birefringence plate.