JPS54116127A - Color pick up unit - Google Patents

Color pick up unit

Info

Publication number
JPS54116127A
JPS54116127A JP2198478A JP2198478A JPS54116127A JP S54116127 A JPS54116127 A JP S54116127A JP 2198478 A JP2198478 A JP 2198478A JP 2198478 A JP2198478 A JP 2198478A JP S54116127 A JPS54116127 A JP S54116127A
Authority
JP
Japan
Prior art keywords
pick
signal
ccd
picked
blue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2198478A
Other languages
Japanese (ja)
Inventor
Yoshitaka Katayama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP2198478A priority Critical patent/JPS54116127A/en
Publication of JPS54116127A publication Critical patent/JPS54116127A/en
Pending legal-status Critical Current

Links

Landscapes

  • Processing Of Color Television Signals (AREA)
  • Color Television Image Signal Generators (AREA)

Abstract

PURPOSE: To enable to improve S/N together with the improvement of sensitivity to blue, by changing the constitution of combination of color stripe filters respectively provided with two pick up devices, in two plate type color pick up unit.
CONSTITUTION: The optical image of the objective 1 is branched into two at the half prism 3 through the pick up lens 2; one is formed at the photo sensitive section of luminance CCD 4, and another is to chroma CCD 3. Red and green signals R, G are picked up at the output terminals 19, 20 without any problem. As to blue signal B, since solidstate pick up device such as CCD has poor blue sensitivity generally and small output, the signal B picked up via the gate circuit 12 from CCD 4 is fed to the adder 22 through the LPF 12 having the band of fF/6 (fF is readout frequency for horizontal), it is added 22 with the output signal B of LPF 18 and picked up at the output terminal 23. Thus, since the signal B has corelativity between the outputs of each pick up device, the amount of signal is doubled than conventional systems.
COPYRIGHT: (C)1979,JPO&Japio
JP2198478A 1978-03-01 1978-03-01 Color pick up unit Pending JPS54116127A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2198478A JPS54116127A (en) 1978-03-01 1978-03-01 Color pick up unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2198478A JPS54116127A (en) 1978-03-01 1978-03-01 Color pick up unit

Publications (1)

Publication Number Publication Date
JPS54116127A true JPS54116127A (en) 1979-09-10

Family

ID=12070280

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2198478A Pending JPS54116127A (en) 1978-03-01 1978-03-01 Color pick up unit

Country Status (1)

Country Link
JP (1) JPS54116127A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823186A (en) * 1986-12-19 1989-04-18 Fuji Photo Film Co., Ltd. Color video signal generating device using monochrome and color image sensors having different resolutions to form a luminance signal
EP0605212A1 (en) * 1992-12-28 1994-07-06 Canon Kabushiki Kaisha Image pickup apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4823186A (en) * 1986-12-19 1989-04-18 Fuji Photo Film Co., Ltd. Color video signal generating device using monochrome and color image sensors having different resolutions to form a luminance signal
US4876591A (en) * 1986-12-19 1989-10-24 Fuji Photo Film Co. Color video signal generating device using monochrome and color image sensors having different resolutions to form a luminance signal
EP0605212A1 (en) * 1992-12-28 1994-07-06 Canon Kabushiki Kaisha Image pickup apparatus
US5523785A (en) * 1992-12-28 1996-06-04 Canon Kabushiki Kaisha Image pickup apparatus for a video camera

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