JPS6340487A - Still picture transmission equipment - Google Patents

Abstract

PURPOSE:To recognize a non-contracted picture without requiring the labor of a human being by storing television signals from plural television cameras in a received data memory, selecting the television signal of this time and the television signal preceding thereto by an output controller and displaying on a television monitor. CONSTITUTION:A transmission instruction signal S1 is inputted from a signal input terminal 6, a transmission instruction is supplied to a signal switching device 5 from a transmission instruction device 10, and then, the signal switching device 5 fetches the television signal picked up by the television camera, for instance according to this instruction, it is converted into a digital signal by an A/D converter 11 stored in the received data memory 12. Thus, the stored transmission data is transmitted via a transmission part 13 to a transmission path 14, received by a receiving part 15 and stored in the received data memory 16. A timing is supplied from a timer 19, an output signal is supplied to an output controller 17 by an output instruction device 18 and the output controller 17 selects a picture to be displayed next. When this is repeated, a transmission picture by the input instruction signal S1 and a transmission picture by an input instruction signal S2 are alternately displayed and the respective pictures can be recognized on the monitor.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention provides a static image display system that enables a plurality of images of a television signal that are transmitted simultaneously or one after the other in time to be displayed in sequence on a regular or irregular basis. The present invention relates to an image transmission device.

[Conventional technology]

, @3 is a block connection diagram of a conventional still image transmitting apparatus disclosed in, for example, Jikai Publication No. 54-118127, in which a transmission indicator is added, and is older than that in Figure 1.

(1), 121, 13), (4) are television cameras, and (5) is a signal switch.

(6), (7), (8), and (9) are input terminals for transmission instruction signals, αq is a transmission instruction device, α is an analog/digital converter (hereinafter referred to as an A/D converter),
(6) is the transmission data memory, (2) is the transmitter, α is the transmission path, (g) is the receiver, α6 is the reception data memory, ■ is the digital/analog 1-cog converter (hereinafter referred to as D/A) converter), Qυ is a television monitor.

Fig. 4 is an explanatory diagram showing the screen displayed on the TV monitor Q in Fig. 7
), the input terminal (8), and the image transmitted in accordance with the instructions from the input terminal (9) are displayed after being reduced to 1/4.

Next, the operation will be explained. First, when the transmission instruction signal S1 is input from the input terminal (6) and the transmission instruction is given from the transmission instruction device 00 to the signal switch (5).

From this transmission instruction ζ1, for example, the signal switcher (5) takes in a television signal imaged by one television camera,
The A/D converter OU & converts the analog signal into a digital signal. This digitally converted television signal is stored in the transmission data memo 1JQa&.

Further, the transmission data thus stored is sent out through the transmission section (6) to the six stations on the via-C transmission line. The data from the transmission line 6 is received by the receiving unit αQ, and the received data memo 'J C1
It is stored in e. Further, the data stored in the received data memory α is converted into an analog signal by a D/A converter 2 and is supplied to the television monitor e211.

The transmission instruction signal set includes transmission instruction signals S2 from input terminal (7), input terminal (8), and input terminal (9) at almost the same time.
When ゜s, , S4 are input, the transmission instruction from the transmission instruction device (11) is sent to the TV cameras f2+, +31, +4 respectively in the same order as above.
) is supplied to the television monitor Q1. As a result, for example, as shown in FIG. 4, the images are displayed on a television monitor (each of which is reduced to 1/4).

[Problems that the invention seeks to solve]

Conventional still image transmission devices are configured as described above, so when a transmission instruction signal is input and an image is transmitted (reduced image must be displayed), An image that is difficult to see is displayed.Also, if you display it without reducing it, there are problems such as the most recent image (only the transmitted image is displayed and other images are not displayed). .

This invention was made in order to solve the above-mentioned problems, and even when transmission instruction signals are input to each input terminal at short time intervals, a reduced image is not displayed, and an image that is not reduced is not displayed. However, without losing the image from the first transmission instruction signal, the image from the next six transmission instruction signals is also displayed, and after a short time interval, the first image is also displayed and can be confirmed. The purpose is to obtain a still image transmission device.

[Means for solving problems]

This invention (this still image transmission device) captures a plurality of television signals while switching them using a signal switch, stores the captured signal in a transmission data memory, and reads out the stored television signal via a C transmission means. Then, the receiving side transmits the TVV-N code and stores it again in the reception data memory.

An instruction to start transmission by the indicator (Thus, among the received data stored in the received data memory, the output controller selects and displays one of the current and previous received data according to the instruction from the output indicator with a timer. It is configured so that

[Effect]

In this invention, the output indicator has an internal timer and periodically or irregularly provides an output instruction signal to the output controller. The selected image data is displayed.

〔Example〕

Hereinafter, one embodiment of the present invention will be explained in detail. In Fig. 1, ill, +21, 13), +
4) is a TV camera, C5) is a signal switcher, +6),
+7), (8), (9) are input terminals for transmission instruction signals, and C1 is an input terminal (6), +7), (s
), (9) is an A/D converter for issuing a transmission instruction from the signal received by the transmission indicator 50, and (6) is a transmission data memo 'J' for storing image data for transmission.
On is a transmitting section for sending data, and alpha is a transmission path for sending data, and together with the transmitting section, constitutes a transmitting means.

(g) is a receiving unit that receives and receives sent data; aQ is a reception data memory for storing received data; CLη
is used to select and display image data to be output (one output controller is an output indicator that instructs the output of image data by giving an output signal to the output controller ση, 01).
J is the output indicator side, a timer that gives the timing of the output instruction, J is the D/A converter, and (2) is the television monitor.

Figure @2 is a diagram showing the screen displayed on the chimp monitor of the device shown in Figure @1 above, with input terminals +6), (7)
.

This indicates that after the images are sent by inputting the transmission instruction signal to (8) and (9), they are displayed in order from left to right, then muffled from the left again and displayed from left to right. be.

Next, the operation will be explained. Now, when the transmission instruction signal S1 is inputted from the signal input terminal (6) and the transmission instruction is given to the signal switcher (5) from the transmission instruction device α, this instruction causes the image to be captured by, for example, the chimp camera (1). A signal switcher f5) takes in the TV signal and sends it to an A/D converter α.
η (trowel) converts it into a digital signal and stores it in the transmission data memory (6).The transmission data stored in this way is
The signal is sent to the transmission path α through the transmitter (2). Data from the transmission path αS is received by the receiving section (2) and stored in the received data memory αG. The output instruction port gives an output instruction to the output controller σ force based on the timing from the timer mark. The output controller (171) selects the output image data according to this output instruction, but since this image data is the only image data, this image data is always selected and the data is not transferred from the received data memo IJ (II). The data thus sent is converted into an analog signal by the D/A converter and then supplied to the C television monitor cI!114.

Next, if the transmission instruction No. 4B SR is input from the input terminal (7), based on this transmission instruction signal S2, for example, the television No. 41 from the television camera (2) is transmitted to the signal switch (5), A /D converter 0η, transmission data memory (2)
.

The data is sent to the received data memory a0 via the transmitting section (to), the transmission line 0, and the receiving section (a), and is stored therein. Output controller 0
71, the output signal from the output indicator side based on the evening timing of the timer 09 is used to display the first image (that is, the transmitted image according to the input instruction signal S1) and the current image (that is, the image that is transmitted according to the input instruction signal SQ). The selected data is retrieved from the image data memory C1. The data taken out 4'L7 is sent to the D/A converter j.
The TV monitor Q is then supplied. At this time, it is assumed that the transmission image based on the input instruction signal SRI is selected.

Next, it is assumed that timing is given from the timer 9 and the output indicator side gives an output signal to the output controller Qηζ. The output controller ση selects the next image to be displayed.

At this time, it is assumed that the transmission image based on the input instruction signal Sl is selected. When this is repeated, the image transmitted by the manual instruction signals S and t and the image transmitted by the input instruction signal S2 are alternately displayed, and each image can be confirmed on the monitor.

Furthermore, assuming that the transmission instruction signal S8 is input from the input terminal (8) and the transmission instruction signal S4 is input from the primary 60 input terminal (9), these transmission instruction signals SB, 84
Based on this, for example, the images of the television camera (3) and the images of the television camera (4) are stored as television signals in the received data memory α in the same manner as described above. The output controller selects the image to be displayed based on the output instruction signal from the output indicator side according to the timing l from the timer start, and selects the image to be displayed.
The image data is applied to the converter ω and is supplied to the television monitor Qη. After this, based on the output instruction signal from the output indicator side according to the timing of the timer depression, the output controller a
η is the transmission instruction signal 81°82 + 88 + 84.8
When H+82... is selected, the old image data is displayed on the TV monitor Q in the order shown in FIG.

In the above embodiment, the transmission instruction device O1 was used to start the transmission of the image data (TV signal) according to the human power of the transmission instruction signal. The transmission of the 1-0 image data may be started upon input of the instruction signal. Further, in the above embodiment, there are four chimp cameras (1) to (4).

Although the number of input terminals (6) to (9) is four, the number of television cameras may be one or more, and the number of input terminals may also be one or more.

[Effects of the Invention] As described above, according to the present invention, television signals from a plurality of television cameras are stored in a reception data memory, and among the stored television cameras (reception data), current and previous signals are stored in the reception data memory. The output controller selects the TV signal in sequence,
αQ to be displayed on a TV monitor (With this configuration, if a large number of images have been processed, it is effective to be able to check the unreduced image without requiring manual intervention.)

[Brief explanation of the drawing]

FIG. 1 shows a still image transmission device 1 according to an embodiment of the present invention.
ffi f], H:Z block connection diagram, Figure 2 is an explanatory diagram showing an example of displaying a still image on the screen of the present invention, Figure @3 is a conventional still image transmission system (Norock connection diagram of a, Figure 4) The figure is an explanatory diagram showing an example of a conventional still image display.
) is TV camera. Part) is a signal switcher, II+), (7), (8)
, (9) is the input terminal, θ is A/1] converter, al
is the transmission indicator, 02C is the transmission data memo IJ, 04
1 is the transmission path, uo is the received data memo IJ, Qη is the output 1
The turning device, the bet is the output indicator, +1! J is timer, Ul
c)/A converter, +2] Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (3)

[Claims] (1) An indicator that instructs the start of transmission of the TV signal to be transmitted, a signal switch that switches and outputs multiple TV signals based on the output of this indicator, and stores the TV signal that is switched and output. a transmission data memory for transmitting a signal read from the transmission data memory, a transmission means for transmitting a signal read from the transmission data memory, a reception data memory for storing the above-mentioned signal inputted through the transmission means, and reception data stored in the reception data memory. an output controller that controls the output of the television, an output indicator that outputs the television image or gives an instruction to the output controller, and a timer that gives an instruction timing signal to the output indicator periodically or irregularly. A still image transmission device comprising: (2) The still image transmission device according to claim 1, wherein the indicator is a transmission indicator that instructs the start of transmission by a transmission instruction signal. (3) The still image transmission device according to claim 1, wherein the indicator is a reception indicator that instructs the start of transmission by a reception instruction signal.