JPH0454774A - Color television camera device - Google Patents

Abstract

PURPOSE:To supply a digital 3-primary color signal and a digital composite video signal by converting a 3-primary color signal outputted from a solid-state image pickup element into a digital signal and generating the digital composite video signal at a signal processing section from the obtained digital 3-primary color signal. CONSTITUTION:Each color pickup output signal read from CCD image sensors 4R, 4G, 4B is fed to A/D converters 7R, 7G, 7B via correlation duplex sampling circuits 5R, 5G, 5B and a level adjustment circuit 6 respectively. A digital 3-primary color signal obtained by the A/D converters 5R, 5G, 5B is fed to a signal processing section 8 and outputted via digital 3-primary color signal output terminals 9R, 9G, 9B. The processing section 8 outputs the digital 3-primary color signal subject to processing. The digital 3-primary color signal is supplied to a D/A converter 11CS via a color encoder 10. An analog composite video signal obtained through the D/A converter 11CS is outputted from an analog composite video signal output terminal 13CS via an LPF 12CS.

Description

DETAILED DESCRIPTION OF THE INVENTION A. Field of Industrial Application The present invention relates to a color television camera device that digitizes and outputs image pickup output obtained by a solid-state image sensor.

B. Conventional technology In general, standard television camera devices include a camera head section equipped with an imaging section and a composite video signal of a standard television system such as the NTSC system from the imaging output supplied from the camera head section. A camera control unit (CC
A so-called separate camera in which U) is connected by a multi-core camera cable, and a so-called so-called separate camera in which a signal processing circuit such as an encoder, a synchronization signal generation circuit, etc. are housed in the camera head and output a standard television system composite video signal. CCU-less cameras are known.

Conventionally, these television camera devices output three primary color signals obtained as analog imaging output from an imaging unit mounted on a camera head, or output a standard television system composite video signal formed from the three primary color signals. It was supposed to output.

Furthermore, in recent years, studio equipment such as camera control devices, format conversion devices, and frame synchronizers has been digitized, and performance has been improved through digital signal processing. Furthermore, various digital image processing techniques for video signals have been developed, such as EDTV conversion processing that converts television signals into EDTV by separating color signals and high-definition information using digital filters.

C Problems to be Solved by the Invention Incidentally, as mentioned above, studio equipment is being digitized, but conventional television camera equipment does not have a digital output function. When digitizing an external device connected to the external device, it was necessary to provide analog/digital conversion means on each of the external devices.

Additionally, since television camera equipment is connected to external devices that handle three primary color signals and composite video signals, it is desirable to be able to support these external devices when equipped with a digital output function. .

Furthermore, when a television camera device is equipped with a digital output function, in order to output the imaging output as parallel data, transmission lines for two imaging outputs must be installed in parallel for the number of bits of parallel data; Installation is difficult.

Therefore, in view of the actual situation of the conventional television camera device as described above, the present invention outputs a digital three primary color signal obtained by digitizing the three primary color signals obtained as an image pickup output, and a digital composite video signal formed from the digital three primary color signal. To provide a color television camera device which is equipped with a digital output function to supply digital three primary color signals and a digital composite video signal to various digital studio devices. Another object of the present invention is to provide a color television camera device that converts digital three primary color signals and/or digital composite video signals from parallel data to serial data and outputs the converted data.

D. Means for Solving the Problems The color television camera device according to the present invention includes an A/D conversion unit that converts three primary color signals output from a solid-state image sensor into digital signals, and a digital signal obtained by the A/D conversion unit. a signal processing unit that forms a digital composite video signal from the digital three primary color signals; a first output terminal that outputs the digital three primary color signals obtained by the A/D conversion unit to the outside; The device is characterized in that it is provided with a second output terminal for outputting the composite video signal to the outside.

The video camera device according to the present invention further includes a P/S conversion section that converts the digital three primary color signals supplied from the A/D conversion section via the first output terminal from parallel data to serial data; The present invention is characterized by comprising an adapter device provided with an output terminal for outputting serial data obtained by the P/S converter to the outside.

Furthermore, the color television camera device according to the present invention further includes a P/S conversion section that converts the digital composite video signal outputted from the signal processing section via the second output terminal from parallel data to serial data. , the P/S
The present invention is characterized by comprising an adapter device provided with an output terminal for outputting the serial data obtained by the converter to the outside.

Furthermore, the color television camera device according to the present invention includes an A/D converter that converts the three primary color signals output from the solid-state image sensor into a digital signal, and a digital converter that converts the digital three primary color signals obtained by the A/D converter into a digital signal. a signal processing unit that forms a composite video signal; and a P/S that selectively converts the digital three primary color signals obtained by the A/D converter and the digital composite video signal obtained by the signal processing circuit from parallel data to serial data. The device is characterized in that it is provided with a converter and an output terminal for outputting the serial data obtained by the P/S converter to the outside.

E. Function In the color television camera device according to the present invention, the three primary color signals output from the solid-state image sensor are converted into digital signals by the A/D converter, and the digital three primary color signals obtained by the A/D converter are subjected to signal processing. A digital composite video signal is formed by the section. Then, the digital three primary color signals obtained by the A/D converter are output from the first output terminal, and the digital composite video signals obtained by the two signal processors are output from the second output terminal. Further, in the color television camera device according to the present invention, the P/S conversion section provided in the adapter device allows
The digital three primary color signals supplied from the A/D conversion section via the first output terminal are converted from parallel data to serial data, and the serial data is outputted to the outside from the signal output terminal. Furthermore, in the color television camera device according to the present invention, the P/
The S conversion section converts the digital composite video signal supplied from the signal processing section via the second output terminal from parallel data to serial data, and outputs this serial data to the outside from the signal output terminal. Furthermore, in the color television camera device according to the present invention,
The digital three primary color signals obtained by the A/D conversion unit that converts the three primary color signals output from the solid-state image sensor into digital signals, and the digital composite video signal formed by the signal processing unit from the digital three primary color signals are converted into P/S. A converter selectively converts parallel data into serial data, and outputs this serial data to the outside from an output terminal.

G. Example Hereinafter, an example of a color television camera device according to the present invention will be described in detail with reference to the drawings.

A color television camera device according to the present invention is configured as shown in FIG.

The color television camera device shown in FIG. 1 separates imaging light incident from an imaging lens (1) through an optical low-pass filter (2) into three primary color light components using a color separation prism (3). , the three primary color images of the subject image are captured on three CCDs (CCD: charge couple).
d device) Image sensor (4R),
The present invention is applied to a three-chip solid-state imaging device that captures images using (4G) and (4B), and is an NTSC color television camera device.

In this color television camera device, the above three CCD image sensors (4R) constituting the imaging section
, (4G), and (4B) adopt the empty pixel shifting method, and as shown in Fig. 2, the CC for green image imaging is
For the D image sensor (4G), the CCD image sensor (41?) for red image capturing and blue image capturing is only 172 of the pixel spatial sampling period τ8.
4B) are staggered. And the above three CCD image sensors (4R), (4G), (
4B) is driven by a CCD drive circuit (not shown), and the imaging charge of each picture element is read out by a readout clock having a sampling frequency fs (fs = 4 fsc) that is four times the color subcarrier frequency fSC.

The three CCD image sensors (4R), (4G), and (4B) that employ the above spatial pixel shifting method are used to detect the three primary color images of the subject image.
D image sensor (4G) and each CCD image sensor (4R) for capturing the red image and blue image,
(4B) Spatial sampling is performed at a position shifted by τ,/2. Therefore, each of the above CCD image sensors (41?
).

(4G), C4B) three primary color imaging output signal S
111+ Sr, *.

As shown in FIG. 3A, the signal spectrum of S, yu is the green imaged output signal S6. The components of the sampling frequency fs and each of the CCD image sensors (4R), (4
B) red imaging output signal S11. and a blue imaging output signal S. The components of each sampling frequency fs are in opposite phase to each other.

Then, the CCD image sensor (4R
), (4G), and (4B) are each color enhanced image output signal S R$+5G11+S1*,
Correlated double sampling circuit (51?), (
5) and is supplied to the level adjustment circuit (6) via (5B).

The above correlated double sampling circuit (5R), (5G)
, (5B) is the above CCD image sensor (4R)
, (4G), (4B), the three primary color imaging output signals S1llt5GI)+S1. For each, the reset noise level is clamped and the output level is sampled and held based on this, thereby reducing the reset noise.

Further, the level adjustment circuit (6) outputs the three primary color imaging output signals S l*l S G11+ S 19 which have been subjected to reset noise reduction processing by the correlated double sampling circuits (SR), (5G), and (5B). Perform level adjustment processing such as white balance adjustment,
The three primary color image pickup output signals S are subjected to level adjustment processing by this level adjustment circuit (6). , Sc-, S or analog-to-digital (A/D) converter (7R),
(7G) and (7B).

Each of these A/D converters (7R), (7G), (
7B) is the above three primary color imaging output signal S. ＋SG＊＋
Cronk rate or the above CCD image sensor (4R) equal to the sampling rate fs of 5IIJ,
(4G), the same f as the read clock of (4B)
s = 4 f 5c (D' A clock with a clock frequency fs is provided by a timing generator (not shown).Then, the A/D converter (6R), (
6G) and (6B) are the above Mihara imaging output signal Smaro*
+ SG*+ S@* is digitized as it is by the above 4fsc clock rate) fs, and the same output vector as the spectrum shown in Fig. 3A of the above Mihara imaging output signal S IIm+ S G'l+ S IIS is obtained. Digital three primary color signals D l11 + DGI) + D
Form Im.

The above A/D converters (7R), (7G), (7B
) The digital three primary color signals D R11+ obtained by
D G+1+ D me is supplied to the signal processing section (8) and is also supplied to the digital three primary color signal output terminal (9R).
, (9G) and (9B).

The signal processing section (8) also includes the A/D converters (7R) (7G) as shown in FIG.
The digital three primary color signal D obtained by , (7B)
11) + DG,, DIm is delayed! I (21R
), (21G), (21B) are supplied via interpolation processing units (22R), (22G), (22
B) and these interpolation processing units (22R) and (22G)
, (22B) to interpolated digital three primary color signals DI+111+DIm,.

Adders (23R) and (23G) supplied with Do,
, (23B) and these adders (23R), (
Gamma correction processing circuits (24R) and (24G) to which each addition output signal is supplied from (23G) and (23B)
.

(24B), each of the above A/D converters (7R), (7
The digital three primary color signals obtained by G). +DG*
and an image enhancement processing section (25) to which is supplied an image enhancement processing section (25).

The image enhancement processing section (25) includes each of the A/D converters (
7R) and (7G), respectively, above 4f
,.

Each digital color signal with a clock rate fs of 1. .

DG, from twice this clock rate fs, or 8
f5. A digital image enhancement signal DI! with a clock rate of 2 fs. or to form. The image enhancement processing unit (25) then sends the digital image enhancement signal D li *1+ at the clock rate of 2fs to the adder (23R).
, (23G) and (23B).

In addition, each of the above interpolation processing units (22R) and (22G)
, (22B) is each of the above A/D converters (7R),
(7G), the above 4f3. supplied from (7B). Digital primary color signal D I11 with a clock rate fs of
+D Gl)l By performing interpolation processing on D 1m, the clock rate fs is doubled, that is, 8fsc.
Digital primary color signal D1 with a clock rate of 2 fs
Form 11m+ D, -, Dlllm. Then, each of the above interpolation processing units (22R), (22G), (2
2B) supplies the digital three primary color signals 11m1 Dc**+Dllll with the clock rate of 2 fs to the adders (23R) (23G) and (23B).

Furthermore, the adders (23R), (23G),
(23B) converts the digital image enhancement signal Dll** with a clock rate of 2 fs supplied from the image enhancement processing unit (86) into the interpolation processing unit (22R) and (22
G), digital three primary color signals Dll**1 D with a clock rate of 2 fs supplied from (22B)
Image enhancement processing is performed by adding Gm*1 Dll**. Then, the adder (23R) (23G
), (23B) is the digital three primary color signal D1ll) which has been subjected to image enhancement processing DG**+ DII*
m is the gamma correction processing circuit (24R), (24G
), (24B).

Then, the gamma correction processing circuit (24R), (2
4G) (24B) is the adder (23R), (2
3G), (23B) digital three primary color signal D H* *D G11llll D19
．． Gamma correction processing is applied to the image. Gamma-corrected digital three primary color signal Dll*111 DemmD81.
Output.

In this way, the signal processing section (8) generates the 2fs chronocrate digital primary color signals D H**, DG+1*D, and 1 .
Output. The digital three primary color signals D at a clock rate of 2 fs are output from this signal processing section (8).
1111m+ k□ DM- is a color encoder (1
0) and digital analog (D/
A) Converter (IIR), (IIG), (IIB
).

And the above D/A converter (IIR), (IIG)
, (IIB) converts the digital three-primary-color signal D*+pc**, Demm supplied from the signal processing unit (8) and ensuring high resolution at a clock rate of 2 fs into an analog three-primary-color imaging output signal. R0LI
T+ colla.

Form a Bouy. These D/A converters (IIR).

(IIG) (IIB) Analog three-primary color imaging output signal R0lIT+ coua obtained by (IIB),
Bout is a low pass filter (12R),
The signals are output from the three primary color signal output terminals (13R), (13G), and (13B) via (12G) and (12B).

Further, the color encoder (10) has the signal processing section (8) as shown in FIG.
) to a matrix circuit (31) to which the digital three primary color signals D1**, DG*YID11) 11 at a clock rate of 2 fs are supplied, and a digital luminance signal formed by this matrix circuit (31); *
.

and each digital color difference signal D formed by this matrix circuit (31).
el, , DCV11+ Dlm, each low-pass filter (33), (34) to which D@* is supplied,
(35), (36) and the above matrix circuit (31)
) are formed by each digital color difference signal DH+D@
* indicates each of the above low-pass filters (35).

(36), an interpolation processing circuit (38) to which a modulated output signal from this modulation circuit (37) is supplied, and an interpolation processing output signal from this interpolation processing circuit (38). is supplied and the digital luminance signal D7 is generated by the matrix circuit (31).
*, and an adder circuit (39) supplied via the delay circuit (32).

The above matrix episode! (31) is the digital three primary color signal 01*Y+DG11 at the clock rate of 2 fs.
By performing matrix arithmetic processing on M + D ports, a digital luminance signal D yes with a clock rate of 2 fs, a digital video signal D□ for the viewfinder, and each digital color difference signal Dell + l Demm, D + * with a clock rate of fs are obtained. + DH is formed. A digital luminance signal D y with a clock rate of 2fs formed by this matrix circuit (31)
* * is a luminance signal Y1. with a frequency distribution as shown in FIG. 3B. It corresponds to

This color encoder (10) receives the digital three primary color signals. *IDG*111
As a digital component video signal for D 1 m m, the digital luminance signal D v is transmitted from the matrix circuit (31) through the delay circuit (32).
In addition to outputting **, the above matrix circuit (31)
The digital color difference signals D C1j+D c
Output **. Note that the delay circuit (32) is each of the above-mentioned low-pass filters (33).

A delay characteristic corresponding to (34) is given to the digital luminance signal D7o.

Further, in this color encoder (10), the modulation circuit (37) receives each digital color difference signal DI$+ supplied from the matrix circuit (31) via each of the low-pass filters (35) and (36). Dam
Performs modulation processing to perform quadrature two-phase modulation. This modulation circuit (37
) corresponds to a modulated color difference signal having a frequency distribution as shown in FIG. 3C, which includes odd harmonics of the color subcarrier frequency rsc.

Furthermore, the interpolation processing circuit (38) includes the modulation circuit (
37), the fsc component and 7f, due to the filter characteristics shown in Figure 3.

Performs digital filtering processing to extract components,
8f3. A digitally modulated color difference signal having a frequency distribution as shown in FIG.

This color encoder (process 0) uses the digital luminance signal Dvm* outputted from the matrix circuit (31) via the delay circuit (32) and the 2fs clock formed by the interpolation processing circuit (38). By adding the digitally modulated color difference signals of different rates by the adding circuit (39), a digital composite video signal Dcs- having a frequency distribution as shown in FIG. 3F is formed.

That is, the color encoder (10) generates digital primary colors D at a clock rate of 2 fs, which has been subjected to gamma correction and image enhancement processing by the signal processing unit (8).
Regarding I**+ D6m*1 Dll*11, it is composed of the above-mentioned digital luminance signal RII□ which has secured the high resolution of the clock rate of 2 fs, and each of the above-mentioned digital color difference signals D C1$D CIO with a clock rate of fs. In addition to outputting a digital component video signal with a high resolution of the 2 fs chronograph, it also outputs a digital composite video signal DC5** and a digital video signal DIFIII for the viewfinder.

The digital component image signal outputted from this color encoder (10), that is, the digital luminance signal Dy** and each digital color difference signal DC.
11m, DCIII is a D/A converter (IIY).

(IICR), (IICY).

Then, the D/A converter (IIY), (IICR
), (IICB) are the digital luminance signals DV
The analog component video signal Youy+CRout+CBOLI7 is formed by converting o and the digital color difference signals DC1m+DCIY into analogs. These D/A converters (IIY), (I
ICR) and (IICB). ,J.

CROUT and CBout are low-pass filters (12Y), (12CR), and (12CB), respectively.
Analog video signal output terminal (13Y) via (
13CR) and (13CB).

Further, the digital composite video signal D (S*m) outputted from the color encoder (10) is supplied to the D/A converter (IIC5) and is also transmitted via the digital composite video signal output terminal (9C5). Output.

The D/A converter (Monday C5) forms an analog composite video signal C3ouy by converting the digital composite video signal D (3mm), which ensures high resolution at the clock rate of 2 fs, into an analog. Analog composite video signal cs obtained by converter (IIC3)
out is output from an analog composite video signal output terminal (13C5) via a low-pass filter (12cs).

Furthermore, the digital video signal D for the viewfinder is output from the color encoder (10).
IFmm is a digital to analog (D/A) converter (
IIBF). This D/A converter (118F
) is the digital video signal D□9. is converted into analog to form a video signal BFOUT for the viewfinder. This video signal BFoUt is passed through a low-pass filter (1
The signal is supplied from the signal output terminal (138F) to an electronic viewfinder device (not shown) via the signal output terminal (2BF).

A color television camera device having such a configuration includes the above-mentioned CCD image sensor (4R), (4G),
Three primary color imaging output signal SHm obtained by (4B),
SG*S1. , respectively, the above A/D converter (7
R) (7G) and (7B) to form digital primary color signals I)++*+ Ds*+ Dm, and these digital three primary color signals DI')+DG
11+ DIIT as the digital three primary color signals (9R)
, (9G), (9B), the digital three primary color signals D1m, D
Connect the external device that handles C+1+ Dlm to the digital three primary color signal output terminals (9R), (9G), (9
B) can be externally connected. Further, the digital three primary color signals D11+1+DG*, formed by the A/D converters (7R), (7G), and (7B),
Regarding Dllj, the 2fs Chronocrate digital three primary color signal D-processor 6 is subjected to interpolation processing by the signal processing unit (8), as well as gamma correction and image enhancement processing.
1 D6ms, DBms, and these digital three primary color signals D7. .

D G+1m+ Dl1w@ to the above D/A converter (1
1R), (IIG) (IIB) Analog three primary color signals ROLI + GOLIT + BO
Connect LIT to the above three primary color signal output terminals (13R), (1
3G) and (13B), so the analog three primary color signals R0LIT+ co, Jt
An external device handling BOUT can be externally connected to the three primary color signal output terminals (13R), (13G), and (13B). Furthermore, the digital three primary color signals D 1l1111+DGIllll DB with a clock rate of 21 seconds are generated by the signal processing section (8).
ms, the color encoder (10) generates a digital component video signal, that is, a digital luminance signal D yes and each digital color difference signal D C111.
+Dc@* and a digital composite video signal D(3**), and this digital composite video signal 65.Y is outputted via the digital composite video signal output terminal (9C5). Therefore, an external device that handles the digital composite video signal DC3*Y can be externally connected to the digital composite video signal output terminal (9C5).Furthermore, the digital composite video signal formed by the color encoder (10) Component video signal, that is, the digital luminance signal D ye
s and each digital color difference signal DCIII DClm to the above D/A converter (IIY), (IICR) (
IICB) (IICB) to convert into analog component video signal Yout+CRout, CB
oat, and output these analog component video signals You out, CRouy, and CB out to the component signal output terminals (13Y) and (13
CR).

(13CB), so it is an analog component video signal Y. LITI RYO
Connect external devices that handle LITBYout to the above component signal output terminals (13Y), (13CR),
(13cB) Can be connected externally. Furthermore, the digital composite video signal D (3**) formed by the color encoder (10) is transferred to the D/A converter (
IIG5) to convert it into analog to form an analog composite video signal C3OU, and this analog composite video signal C3O
Since ut is output from the analog composite signal output terminal (13C5), an external device that handles the analog composite video signal C3oU can be externally connected to the analog composite signal output terminal (13C5).

Note that this color television camera device includes a control circuit system block (14) connected to the control signal terminals (9CTL) and (13CTL) and a synchronization signal input terminal (13S).
This microphone input terminal (9MCI) has a built-in synchronous circuit system block (15) connected to the YNC), and a microphone input terminal (9MCI) to which a signal line for an audio signal obtained by a microphone (not shown) is connected. A microphone output terminal (9MCO) connected to the microphone output terminal (9MCO) is provided.

Further, various adapter devices as shown in FIGS. 6, 7, and 8 are prepared for this color television camera device.

The adapter device (40) shown in FIG. 6 is an adapter device for a camera control unit that handles digital three primary color signals, and includes a digital three primary color signal output terminal (9R) on the color television camera device side,
Digital primary color signal input terminals (41R), (41G), (41B) corresponding to (9G), (9B), digital composite video signal output terminal (9C5), microphone output terminal (9MCO), and control signal terminal (9CTL) , a digital composite video signal input terminal (41C3), a microphone input terminal (4111CI), a control signal terminal (41CTL), etc. are provided.

This adapter device ff (40) includes an A/D converter (42) connected to the microphone input terminal (41?ICI), an output terminal of this A/D converter (42), and the digital three primary color signal output. Terminals (9R), (9G), (9
B) and the control signal terminal (41CTL) are connected to the data input end side of the data selector (44), and a parallel-to-serial (P/S) converter connected to the output end of this data selector (44). (45) and a serial signal output terminal (
46S) and a microphone output terminal (46MCO) connected to the microphone input terminal (41MCI).

In this adapter device (40), the microphone input terminal (41MCI) is connected to the microphone output terminal (9MCO) on the main body side of the color television camera device, and the microphone input terminal (41MCI) An analog audio signal is supplied from the main body of the color television camera apparatus through the microphone output terminal (9MCO). The analog audio signal supplied to this microphone input terminal (41MCI) is
C0), and is digitized by the A/D converter (42) and supplied to the P/S converter (45) via the data selector (44). The P/S converter (45) converts the parallel data into serial data, and outputs the data as serial data to the outside from the data output terminal (46S).

Also, the digital three primary color signal input terminal (41R).

(41G) and (41B) are the digital three primary color signal output terminals (
9R) (9G) and (9B), and these digital primary color signal input terminals (41R)
, (41G), and (41B) receive digital three primary color signals D11m, Dc*+D from the color television camera device main body side via the digital three primary color signal output terminals (91?), (9G) and (9B).
is supplied. Digital three primary color signals D 1181 DG11+ D supplied to these digital three primary color signal input terminals (41R), (41G), (41B)
The IS selects the P/P via the data selector (44).
S converter (45), this P/S converter (4
5) converts the parallel data into serial data, and outputs the data output terminal (46S) as serial data.
) is output to the outside.

Further, the control signal terminal (41CTL) is connected to the control signal terminal (9C
TL), and a control signal is supplied to the 20Ill 1B signal terminal (41CTL) from the color television camera apparatus main body side via the control signal terminal (9CTL). The above control signal terminal (41CT
The control signal supplied to the data selector (4)
4) to the P/S converter (45);
This P/S converter (45) converts the parallel data into serial data, and outputs the serial data to the outside from the signal output terminal (46S).

In addition, the above digital composite video signal input terminal (41C5
) is connected to the digital composite video signal output terminal (9C5) on the main body side of the color television camera apparatus, and is left unconnected within this adapter apparatus (40).

In addition, the adapter device shown in FIG.
9R), (9G), (9B), digital composite video signal output terminal (9C5), microphone output terminal (9M
CO), digital three primary color signal input terminals (51R), (51G), (51
B) Digital composite video signal input terminal (51C5)
, microphone input terminal (51MCI), control signal terminal (5
1CTL) etc. are provided.

This adapter device (50) is connected to the microphone input terminal (50).
1MCI), a signal processing section (53) connected to the digital composite video signal input terminal (51C5), an output terminal of this signal processing section (53) and the above A data selector (54) in which the output terminal of the A/D converter (52) and the control signal terminal (51CTL) are connected to the data input terminal side;
4), a data output terminal (56S) connected to the output terminal of this P/S converter (55), and the microphone input terminal (51MCI).
) and a microphone output terminal (56MCO) connected to the microphone output terminal (56MCO).

In this adapter device (50), the microphone input terminal (51MC1) is connected to the microphone output terminal (9MCO) on the main body side of the color television camera device, and the microphone input terminal (51MCI) An analog audio signal is supplied from the main body of the color television camera apparatus through the microphone output terminal (9MCO). The analog audio signal supplied to this microphone input terminal (51MCI) is
O) is output as analog to the outside, and is digitized by the A/D converter (52),
The data is supplied to the P/S converter (55) via the data selector (54), and is converted from parallel data to serial data by the P/S converter (55). 56S) to the outside.

In addition, the digital composite video signal input terminal (51C5
) is connected to the digital composite video signal output terminal (9C3) on the color television camera device main body side, and this digital composite video signal input terminal (5
1C5) is supplied with a digital composite video signal DC311m from the main body of the color television camera apparatus via the digital composite video signal output terminal (9C5). This digital composite video signal input terminal (51C5)
The digital composite video signal DC9** supplied to
In the signal processing section (53), the frequency band is limited to approximately fs/2 or less as shown in FIG. 3H by a filter having the filter characteristics shown in FIG. 3G, and then the fs clock is Digital composite video data D (converted to 3m) as shown in FIG.
cs Yu is the above P via the data selector (54).
/S converter (55), and this P/S converter (
55) converts the parallel data into serial data, and outputs the data output terminal (56) as serial data.
5) is output to the outside.

Furthermore, the control signal terminal (51CTL) is connected to the control signal terminal (9C) on the color television camera device main body side.
TL), and this microphone input terminal (51CTL) receives a control signal from the color television camera device main body side via the control signal terminal (9CTL) from the color television camera device side. Supplied. The control signal supplied to the control signal terminal (51CTL) is passed through the data selector (54) to the P
/S converter (45), and this P/S converter (
55) converts the parallel data into serial data, and outputs the data output terminal (56) as serial data.
S) is output to the outside.

Note that the digital three primary color signal input terminal (51R).

(51G) and (51B) are the digital three primary color signal output terminals (
9R).

(9G) and (9B), and is in an unconnected state within this adapter device (50).

Furthermore, the adapter device (60) shown in FIG. 8 selectively outputs the digital three primary color signals Dll1l+DG$+DIS and the digital composite video signal D(1*) as serial data, digital three primary color signal output terminals on the John camera device side (
9R), (9G), (9B), digital composite video signal output terminal (9C5), microphone output terminal (9M
CO), digital three primary color signal input terminals (61R), (61G), (61
B) Digital composite video signal input terminal (61C5)
, microphone input terminal (61MCI), control signal terminal (61MCI)
CTL) is provided.

This adapter device (60) is connected to the microphone input terminal (60).
1MCI) connected to the A/D converter (62) and the digital composite video signal input terminal input terminal (61C5)
a signal processing section (63) connected to the signal processing section (63);
63), the output terminal of the A/D converter (62), and the digital three primary color signal input terminal (61R), (
61G).

(61B) and the control signal terminal (61CTL) are connected to the data input terminal side of the data selector (64), and the P/S is connected to the output terminal of this data selector (64).
A converter (65), a data output terminal (66S) connected to the output end of this P/S converter (65), and a microphone output terminal (61MCI) connected to the microphone input terminal (61MCI).
66MCO).

In this adapter device (60), the microphone input terminal (61MC1) is connected to the microphone output terminal (9?1CO) on the color television camera device bag W side. ?ICI) is supplied with an analog audio signal from the main body of the color television camera apparatus through the microphone output terminal (9MCO). The analog audio signal supplied to this microphone input terminal (61MCI) is
The signal is output externally in analog form via the MCO), is digitized by the A/D converter (62), and is supplied to the P/S converter (65) via the data selector (64). So, this P/S converter (65)
Converts parallel data to serial data,
The data is output as serial data to the outside from the data output terminal (665).

In addition, the digital three primary color signal input terminals (61R) (
61G) and (61B) are the digital three primary color signal output terminals (9) on the color television camera device main body side.
R) (9G), (9B), and these digital three primary color signal input terminals (61R),
(61G) and (61B) receive digital three primary color signals from the main body of the color television camera apparatus through the digital three primary color signal output terminals (91?), (9G) and (9B), DG, etc.

DIS is supplied. Digital three primary color signals D 1 m + D c supplied to these digital three primary color signal input terminals (61R), (61G), (61B)
* + D @ * is the data selector (64
) is supplied to the P/S converter (65), the parallel data is converted into serial data by the P/S converter (65), and the serial data is output from the data output terminal (66S) to the outside. is output to.

Furthermore, the digital composite video signal input terminal (61C
5) is connected to the digital composite video signal output terminal (9C3) on the main body side of the color television camera device, and this digital composite video signal input terminal (
61C3) is the digital composite video signal output terminal (9CS) from the color television camera device main body side.
A digital composite video signal I)cs is supplied via the video signal I). This digital composite video signal input terminal (61C5
The digital composite video signal D cg** supplied to the data selector ( 6
4) to the P/S converter (65);
This P/S converter (65) converts the parallel data into serial data, and outputs the data as serial data to the outside from the data output terminal (665).

Furthermore, the control signal terminal (61CTL) is the control signal terminal (61CTL) on the color television camera device main body side.
9CTL), and control data is supplied to this control signal terminal (6iCTL) from the color television camera device main body side via the control signal terminal (9CTL). The above control signal terminal (61CTL
) is supplied to the data selector (6).
4) to the P/S converter (65);
This P/S converter (65) converts the parallel data into serial data, and outputs the data as serial data to the outside from the data output terminal (66S).

Note that the color television camera device according to the present invention includes:
In the embodiments described above, the adapter devices (40) and (50) convert digital three primary color signals and digital composite video signals from parallel data to serial data and output the converted data.
, (60), but it is also possible to have a P/S conversion means for the digital three primary color signals and the digital composite video signal in the apparatus.

H Effects of the Invention As described above, in the color television camera device according to the present invention, the three primary color signals output from the solid-state image sensor are A/
The D converter converts the digital signal into a digital signal, and the signal processor forms the digital composite video signal from the digital three primary color signals obtained by the A/D converter. Since the digital composite video signal obtained by the signal processing section is output from the first signal output terminal and the second signal output terminal, the external device that handles the digital three primary color signals and the external device that handles the digital composite video signal can be connected externally.

Further, in the color television camera device according to the present invention, the digital three primary color signals outputted from the A/D conversion section via the first signal output terminal are converted from parallel data to serial data and outputted. By installing an adapter device including an S conversion section, the digital three primary color signals can be outputted to the outside as serial data.

Further, in the color television camera device according to the present invention, a P/S converts the digital composite video signal outputted from the signal processing section via the second signal output terminal from parallel data to serial data and outputs the serial data. By installing an adapter device including a converting section, the digital composite video signal can be outputted to the outside as serial data.

Furthermore, in the color television camera device according to the present invention, the digital three primary color signals are outputted from the A/D converter via the first signal output terminal or from the signal processing unit to the second signal output terminal. By providing a P/S conversion unit that converts the digital composite video signal outputted from parallel data into serial data and outputs the digital composite video signal, the digital three primary color signal or the digital composite video signal is outputted as serial data to the outside. be able to.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing a three-panel color television camera apparatus to which the present invention is applied. FIG. 2 is a schematic diagram showing the arrangement of each CCD image sensor in the three-panel color television camera device. 3A to 3I are diagrams for explaining the operation of the color television camera device, and FIG. 3A shows the signal spectrum of each imaging output signal from each of the CCD image sensors, and Figure 3B shows the signal spectrum of the luminance signal formed by the matrix circuit of the color encoder constituting the plate-type color television camera device, and Figure 3C shows the signal spectrum of the modulated output from the modulation circuit of the color encoder. The interpolation filter characteristics of the interpolation processing unit provided in the color encoder are shown in Figure 3, the signal spectrum of the interpolation output by the interpolation processing unit is shown in Figure 3, and the composite video formed by the color encoder is shown in Figure 3. The signal spectrum of the signal is shown in FIG. 3F, and the filter characteristics of the digital low-pass filter provided in the camera adapter attached to the camera body of the color television camera device are shown in FIG. 3G, and the filter output of the digital low-pass filter is shown in FIG. The signal spectrum of the composite video signal outputted from the camera adapter is shown in FIG. 3I. FIG. 4 is a block diagram showing the configuration of a signal processing section constituting the three-panel color television camera device. FIG. 5 is a block diagram showing the configuration of a color encoder constituting the three-panel color television camera device. FIGS. 6, 7, and 8 are block diagrams showing the configurations of various adapter devices attached to the three-panel color television camera device, respectively. (4R), (4G), (4B)...,...
(7R), (7G), (7B)...
(8) ・・・・・・・・・・・・・・・(9R)
, (9G), (9B)... (9CS) ・・・・・・・・・・・・・・・(10)
'・・・・・・−・・・・・・・・・(40) , (5
0), (60)... CCD image sensor A/D converter signal processing section Three primary color data output terminal Video data output terminal Color encoder adapter device (45), (55), (65) P/S converter

Claims (4)

[Claims] (1) an A/D converter that converts the three primary color signals output from the solid-state image sensor into a digital signal; a signal processor that forms a digital composite video signal from the digital three primary color signals obtained by the A/D converter; A first output terminal for outputting the digital three primary color signals obtained by the A/D converter to the outside, and a second output terminal for outputting the digital composite video signal obtained by the signal processing unit to the outside. A color television camera device characterized by: (2) a P/S converter that converts the digital three primary color signals supplied from the A/D converter via the first output terminal from parallel data to serial data;
2. The color television camera device according to claim 1, further comprising an adapter device provided with an output terminal for outputting the serial data obtained by the converter to the outside. (3) a P/S conversion section that converts the digital composite video signal outputted from the signal processing section via the second output terminal from parallel data to serial data;
2. The color television camera device according to claim 1, further comprising an adapter device provided with an output terminal for outputting the serial data obtained by the /S conversion section to the outside. (4) an A/D converter that converts the three primary color signals output from the solid-state image sensor into a digital signal; a signal processor that forms a digital composite video signal from the digital three primary color signals obtained by the A/D converter; A P/S converter that selectively converts the digital three primary color signals obtained by the A/D converter and the digital composite video signal obtained by the signal processing circuit from parallel data to serial data; and the P/S converter. A color television camera device comprising an output terminal for outputting obtained serial data to the outside.