Video monitor system
First Claim
1. A video monitor system comprising:
- transmission medium means, having L channels of L video signals for transmitting said L video signals and data;
a video signal source portion including M video signal source units each of said M video signal source units receiving said data from said transmission medium means and selectively generating and suppling one of said L video signals to said transmission medium means through one of said L channels in accordance with said data,a monitor portion including;
N monitor units, each of said N monitor units receiving said data from said transmission medium means and selectively receiving and reproducing one of said L video signals from one of said L channels in accordance with said data, said L, M, and N being natural number more than one;
a monitor control portion including a plurality of monitor control terminals, each of said monitor control terminals operating in response to a request, to generate and transmit to said transmission medium means said data indicating which one of said M video signal sources is requested to be operated and said data indicating which one of said N monitor units is requested to be operated; and
a control portion including receiving means for receiving all said data from said monitor control portion via said transmission medium means, channel condition detection means responsive to said data indicating which one of said M video signal sources is requested to be operated and said data indicating which one of said N monitor units is requested to be operated for detecting a condition of said L channels, determining means responsive to said channel condition detection means for determining one of said L channels to be used in accordance with said detected condition of said L channels and operating means, responsive to said data indicating which one of said M video signal sources is requested to be operated and said data indicated by said data from said monitor control terminal portion to supply said one of L video signals using said determined one of L channels to said one of said N monitor units indicated by said data from said monitor control terminal portion to receive and reproduce said one of L video signals from the determined one of the L channels.
1 Assignment
0 Petitions
Accused Products
Abstract
A video monitor system comprises a transmitting medium, video cameras, monitors, VTR, monitor terminals, a control portion and a transmitting medium having channels of video signals and a data channel coupling these units. The video monitor receives a request of a desired camera and a desired monitor and supplies the data indicative the request. The control portion receives the data indicative of the request and determines one of channels and operates the desired camera and desired monitor thorough the determined one of channels to display a video signal on the desired monitor. The VTR records one of video signals from a desired video camera through determined one of channels. A priority is judged to control one video camera which are requested to be operated by two monitor control terminals at the same time. A diagnostic function for detecting a defect and a location in the transmitting medium and a sequential operation function are also provided. The control portion operates in two modes which can be alternately executed by storing conditional data of two modes. An integrated video monitor system having two video monitor systems mentioned above and a center monitor for displaying a video signal from either of one of video camera of either of the monitor systems is also disclosed.
41 Citations
21 Claims
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1. A video monitor system comprising:
- transmission medium means, having L channels of L video signals for transmitting said L video signals and data;
a video signal source portion including M video signal source units each of said M video signal source units receiving said data from said transmission medium means and selectively generating and suppling one of said L video signals to said transmission medium means through one of said L channels in accordance with said data, a monitor portion including;
N monitor units, each of said N monitor units receiving said data from said transmission medium means and selectively receiving and reproducing one of said L video signals from one of said L channels in accordance with said data, said L, M, and N being natural number more than one;a monitor control portion including a plurality of monitor control terminals, each of said monitor control terminals operating in response to a request, to generate and transmit to said transmission medium means said data indicating which one of said M video signal sources is requested to be operated and said data indicating which one of said N monitor units is requested to be operated; and a control portion including receiving means for receiving all said data from said monitor control portion via said transmission medium means, channel condition detection means responsive to said data indicating which one of said M video signal sources is requested to be operated and said data indicating which one of said N monitor units is requested to be operated for detecting a condition of said L channels, determining means responsive to said channel condition detection means for determining one of said L channels to be used in accordance with said detected condition of said L channels and operating means, responsive to said data indicating which one of said M video signal sources is requested to be operated and said data indicated by said data from said monitor control terminal portion to supply said one of L video signals using said determined one of L channels to said one of said N monitor units indicated by said data from said monitor control terminal portion to receive and reproduce said one of L video signals from the determined one of the L channels. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21)
- transmission medium means, having L channels of L video signals for transmitting said L video signals and data;
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12. A video monitor system comprising:
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a plurality of networks, each comprising; transmission medium means, having L channels arranged to transmit L video signals, for transmitting data; a video signal source portion including M video signal source units, each of said video signal source units receiving said data from said transmission medium means using one of said L channels in accordance with said data; a monitor portion including;
N monitor units, each of said monitor units receiving said data from said transmission medium means and selectively receiving and reproducing one of said L video signals from one of said L channels in accordance with said data, where L, M, and N are natural numbers greater than one;a monitor control portion including a plurality of monitor control terminals, each of said monitor control terminals in response to a request, generating and transmitting data indicating which one of said M video signal sources is requested to be operated, and which one of said N monitor units is requested to be operated, to said transmitting medium; and a control portion including receiving means for receiving data from said monitor control portion via said transmission medium means, channel control means for detecting used and unused conditions of said L channels of paths and storing said channel control data determining means for determining which one of said L channels is used in accordance with said channel control data in response to said data from said monitor control position via said receiving means operating means, responsive to said data indicating which one of said M video signal sources is requested to be operated and said data indicating which one of said N monitor units is requested to be operated, for operating said one of M video signal sources indicated by said data from said monitor control terminal portion to supply said one of L video signals using the determined one of L channels and operating said one of said N monitor units indicated by said data from said monitor control terminal portion to receive and reproduce said one of L video signals from the determined one of L channels through generating and transmitting said data to said transmitting medium; a center monitor control terminal, communicating with said control portions of said plurality of network, for, in response to a monitoring request, determining which of said plurality of networks is requested in accordance with said monitoring request, generating and transmitting said data indicating which one of said M video signal sources of said determined network is requested to be operated to said control portion of the determined network; switching means, connected to said transmitting mediums of said plurality of networks, for selectively supplying said one of said M video signals corresponding to said monitoring request from the determined network; and at least a center monitor unit for producing said one of video signals from said switching means based upon at least two control portions of said plurality of networks.
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Specification