JP2913771B2 - Transmission equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission device when a user outputs a stop command, and in particular, a transmission device in which a use right obtained by a user is automatically deleted. About.

[Summary of the Invention]

The present invention, when the user outputs a stop command,
Regarding a transmission device in which a use right for performing reproduction obtained by a user is automatically deleted, a transmission / reception device disposed in a plurality of sub-rooms from a master room in which a plurality of electronic devices are centrally disposed In a transmission apparatus for transmitting data reproduced from an electronic device via a transmission path, a transmission / reception device provided in a predetermined sub room among a plurality of sub rooms includes a plurality of electronic devices provided in a master room. Transfer means for transferring a stop command to a predetermined electronic device, time counting means for starting time counting from a state in which the stop command transferred by the transfer means is received, and a predetermined value based on a count value of the time counting means. If another command is transferred from the transfer means within the time, the stop command is interpreted as a pause command, control is performed based on the other command, and control is performed based on the count value of the timer means. Control means for interpreting the stop command as a complete stop command and extinguishing the exclusive right from the predetermined sub-room to the predetermined electronic device when another command is not transferred from the transfer means within a predetermined time. With such a transmission apparatus, transmission data such as audio information or video information from a limited source in the transmission apparatus is effectively used.

[Conventional technology]

2. Description of the Related Art Recently, a home bus system that performs various controls in a home by connecting various electronic devices such as a personal computer, a lighting control terminal, and a gas leak detecting unit with a transmission cable has been put to practical use. Further, the present applicant has proposed a multi-link system (hereinafter, referred to as MLS) that distributes audio and video information to each room in a home from one location by wire, so that the information can be appropriately viewed. This MLS is configured as shown in FIG.

In the figure, for example, a basement or a reception room among a plurality of rooms in a house (1) is a master room (2), and a multi-link center (3) such as a multi-preamplifier is provided in the master room (2). A plurality of devices driven by the multilink center (3), for example, a CD player (4), a tape cassette deck (5), a DAT deck (6), an AM / FM tuner (7), a VTR (8), A laser disk player (9), a main amplifier (10) including left and right speakers (12L) and (12R), a TV receiver (13), etc., are centrally arranged, and a remote controller (hereinafter referred to as a remote controller) is installed in the master room (2). (14) and the like, the user can view favorite audio information (16) and video information (15) in the plurality of devices. The multi-link center (3) in this master room (2) has a cable TV
(CATV) information and the like are supplied via a mixer (17a) and a cable (18), and audio information (16) and video information (1) centrally arranged in a master room (2).
5) The cable (5) can be watched by the remote control (14a) to (14c) through the mixer (17a) and the distributor (17b) in a plurality of sub-rooms (20) (21) (22) (23) as appropriate. 19)
Distribution. Each room (20) (21)
(22) is provided with multi-rank receivers (25), (26) and (27), and the multi-link receiver (25) is provided with left and right speakers (28L) and (28R). In the room (20), for example, It is configured to listen to audio information (16) from a CD player (4) or the like. In the room (21), a multilink receiver (26), left and right speakers (29L) (29R), and a TV receiver (3
0) is provided, and video information (15) from, for example, a VTR (9) can be viewed by operating the remote controller (14b).
In the room (22), by operating the remote controller (14c), for example, audio information (15) from a DAT (6) or the like is transmitted to a multilink receiver (27) and left and right speakers (30L) (30R).
You can listen to it. TV receiver (31) in room (23)
Is provided so that, for example, CATV can be viewed.
Similarly, in each of the sub-rooms (20) to (23), the source can be appropriately selected from the source sources (4) to (9).

The transmission and reception of data and commands between the multilink center (3) in the master room (2) and the various electronic devices (4) to (9) will be described in more detail.
Inside, the TV and CATV information from the mixer (17a) and the control signal from each sub room are supplied to a two-way distributor (32). The two divider (32) supplies RF signals such as CATV, TV, and FM to the three divider (33) and distributes a remote control signal to the multilink center (3). The multilink center (3) and various electronic devices (4) to (9) as source sources are connected to a control line (3).
4) are connected in series. Audio information (16) and video information (15) (hereinafter referred to as AV information) are stored on the A / V line (3
5) is supplied in parallel to the multilink center (3) via the multilink center (3), and the AV information is supplied to the multilink center (3) → two distributors (32) → cable (18) → mixer (17a) → distributor ( 1
7b) → Sub-room (20) ~ via cable (19)
It is supplied to the multilink receivers (25) to (27) in (23).

RF signals such as CATV distributed by the two dividers (32) in the master room (2) are distributed by the three dividers (32), for example, for CATV.
It is distributed to a TV RF signal of the TV receiver (13), an FM RF signal of the tuner (7), a TV RF signal of the VTR (9), and the like.

In such an MLS, as the remote control signal supplied from the remote controllers (14a) to (14c) between the multilink center (3) and the multilink receivers (25) (26) (27) in each room, the applicant has SIRCS: Sirks (Sony Infrared Remote Control System) is used. This SIRCS system is a format of a remote controller of an infrared digital code system, and FIG. 6 shows a code format. This format consists of usually 15 bits (or 12 bits), a guide pulse (36) as an identification signal defining the start, binary code 15 bits starting from 2 ⁰ following the guide pulse (or 12 bits) A data code (3
7), and one frame (45 ms) is constituted by a product code (38) representing a product category by 8 bits (or 5 bits) after the code. The product code (38) uses the control signal for SIRCS so that the type of the source sources (4) to (9) is represented and the data code represents the on / off state of the power source. When viewing information in each room (20) to (23) from a predetermined source, the remote control (14a) to (14c) of each sub room (20) to (23)
For example, if AV information from the CD player (4), the laser disk player (9), the DAT deck (6) and the VTR (8) is requested from the multilink center (3), the multilink center (3) ) Arranges the SIRCS signals from these remote controllers and serially sends them, for example, in the order of CD information, LD information, DAT information, and VTR information.

In this way, multiple sub-rooms (20) (21) (22) ‥
Audio information (16) requested by the multilink center (3) in response to the SIRSC control signal command from (4)
Alternatively, the video information (15) can be transmitted to each room.

[Problems to be solved by the invention]

In the above configuration, the electronic devices (4) to (9) as the source sources may be stopped by operating the remote controllers (14a) to (14c) on the sub-rooms (20) to (23). It is made so that it can be done. When the operation in the stop state is performed by the remote controllers (14a) to (14c), the multilink center (3) in the master room (2) checks the stop code states of the electronic devices (4) to (9). Sub-room (20)-(23)
The remote control operator on the side may have stopped to listen to another source, or may have paused such as a tape recorder, and then to fast forward or rewind. It was not possible to determine whether or not the vehicle was stopped.

The present invention has been made to solve the above-mentioned problems, and its purpose is to temporarily stop or
The purpose of the present invention is to improve the utilization efficiency of the source source of the entire transmission apparatus by grasping, by time, whether or not there is no intention to use the source source.

[Means for solving the problem]

The present invention relates to a transmission / reception device (3) disposed in a plurality of sub-rooms (20) to (23) from a master room (2) in which a plurality of electronic devices (4) to (10) (13) are centrally disposed. ) (2
5) to (27) electronic equipment (4) to transmission line (19)
(10) In a transmission device for transmitting data reproduced from (13), a transmission / reception device (25) disposed in a predetermined subroom (20) to (23) among a plurality of subrooms (20) to (23). ) To (27) to predetermined electronic devices (4) to (10) and (13) among a plurality of electronic devices (4) to (10) and (13) arranged in the master room (2). Transfer means (14d), (14e) for transferring the stop command, and transfer means (14d),
A time counting means (50) for starting time counting from a state in which the stop command transferred in (14e) is received, and the time counting means (5
If another command is transferred from the transfer means (14d) or (14e) within a predetermined time based on the count value of (0), the stop command is interpreted as a temporary stop command and control is performed based on another command. If another command is not transferred from the transfer means (14d) or (14e) within a predetermined time based on the count value of the timer means (50), the stop command is interpreted as a complete stop command and the predetermined sub-room ( The transmission device is provided with control means (47) for controlling the occupation rights of predetermined electronic devices (4) to (10) and (13) from 20) to (23) to disappear.

[Action]

In the transmission device of the present invention, if a key of the stopped state is pressed and a command for reproduction (PLAY) is not issued within a predetermined time, for example, 10 minutes, it is considered that the user does not intend to continue using the device, and the user occupies the transmission device. Since the right to select a program (hereinafter referred to as the right to use) is extinguished, it is possible to obtain a limited source that can effectively use the source.

〔Example〕

Hereinafter, a case where the transmission device of the present invention is applied to an MLS will be described.

Before explaining the system diagram of the transmission apparatus for MLS of the present invention in FIG. 1, the frequency allocation at the time of receiving a CATV signal as an external signal is shown in FIG. 2, and FIG. 3 is a diagram of the first and second remote control signals. FIG. 4 shows a format definition table of byte data of the first remote control signal.

In FIG. 2, reference numeral (40) denotes a band of 45 MHz to 370 MHz for, for example, 2 to 50 channels of the CATV which has been FM. AV information used for MLS of this example is arranged above and below this CATV band. That is, the video information (15) is analog and AM + FM
The audio information (16) is modulated and arranged on the high frequency side of the CATV band, and the audio information (16) is digitized and two-phase modulated (2PSK: phase).
shift keying) and placed on the lower side of the CATV band.
Both the audio information (16) and the video information (15) are frequency multiplex modulated. Further, the first remote control signal (41) and the second remote control signal (42) for remote control are subjected to digital frequency modulation (FSK), and
Carrier of the remote control signal (41) of the second
The carrier of the remote control signal (42) is selected to be, for example, 17.5 MHz. These remote control signals are time axis multiplex modulated. This first remote control signal is used for control from the master room (2) side to each of the sub-rooms (20) to (23), and the second remote control signal (42) is used for each of the sub-rooms (20) to (23).
It is used for control from the remote controllers (14a) to (14c) of (23) to the multilink center (3) side of the master room (2).

FIG. 3 shows the format of the first and second remote control signals. FIG. 3A shows the first remote control signal (41), which has 128 bytes of data every 100 ms. 41a), and thereafter, although not shown, the data transmission room number, the transmission / reception permission flag of each room, and the current subroom (20) to (32) to 42 bytes as shown in FIGS. 23) and master room (2)
A flag (41c) for determining whether or not there is a right-of-use owner, ie, an owner flag, and various electronic devices (4) as source sources
The operation state information (41d) indicating the operation state of (9) to (9) and other master information (41b) are stored in each of the sub-rooms (20) to (2).
2) Multilink receivers (25) to (27) are transmitted. The subroom owner flag is 32 as shown in Fig. 4A.
Bytes to 33 bytes correspond to various electronic devices (4) to (9), "0" if there is no owner, "1" if there is an owner
The flag is set. In addition, PS shown in FIG. 4A is an analog player, BS is a satellite broadcast,
MDP indicates a multi-disc player, and MO indicates a magneto-optical player. Further, 34 bytes and 35 bytes indicate an owner flag of the master room (2), and similarly correspond to various electronic devices (4) to (9).

FIG. 4B shows various electronic devices (4) to which are source sources.
Indicates the operation state information (41d) for in response to (9) for example, between 36 bytes and 42 bytes, VTR _1, VTR _2, TAP
E ₁ , TAPE ₂ , CD ₁ , CS ₂ TUNER, DAT, PS, BS, VIDEO ₃ , LD, MDP,
Each source of the MO is assigned to upper 4 bits and lower 4 bits. 0 _H to 5 _H until a power-on, stop, play, pause, fast forward, and the like representing the operation state such as rewind.

FIG. 3B shows the format of the second remote control signal (42).
Control data from the subroom to the 16th subroom (42
a) Sent as (42b) ‥‥ (42p). As shown in FIG. 3C, the data for each sub-room is 64-bit data first with a synchronization signal (42a '), the aforementioned SIRCS 12-15-bit data (42c'), and other security status data (42d). ') It also consists of a CRC (42e') and is time-axis compressed.

FIG. 1 is a system diagram in the case where the transmission apparatus of the present example is applied to an MLS. The same reference numerals are given to portions corresponding to those in FIG. 5, and redundant description will be omitted.

The multi-link center (3) indicated by a broken line in FIG. 1 is provided with remote controllers (14a) to (14a) on the sub-rooms (20) to (22).
In c), the first signal transmitted to the multilink center (3) on the master room (2) side via the cables (18) to (19).
And a transmission path of the second remote control signal (41) (42). Two distributors (32) in this master room (2)
The second remote control signal (42) from the remote controllers (14a) to (14c) distributed by the above has a carrier of 17.5 MHz, is subjected to RF processing by the RF circuit (43), and Decoder (44)
Then, predetermined bits of data are decoded and extracted from the data of the second remote control signal of 100 ms shown in FIG. 3B. This decoded data is transferred to the next second decoder (4
When it is put into 5), 64-bit data per room is output as shown in FIG. 3C. The output of this second decoder (45) is a microcomputer (hereinafter referred to as CPU) (47)
Supplied to The CPU (47) can simultaneously process 16 rooms in a 100 ms section, and has a memory (46) and a clock function (timer) (50).
Organize the data read from the bit remote control signal,
Looking at the command status of the remote controllers (14a) to (14c), for example, when playing a CD player (4) or a DAT (6),
A flag is set in the table in the memory corresponding to the player and the DAT, and the CD player (4), the DAT (6), the tuner (7), the VTR (8), the main amplifier are output from the output terminal (49) of the CPU (47). (10) The control data with the flag set is transmitted. This control data is 1 in the SIRCS signal described in FIG.
The frame is 45ms, and the CD player (4), DAT (6), tuner (7), VTR
(8) The control data is provided to a plurality of electronic devices such as the main amplifier (10).

In this way, for example, the audio information (16) of the CD player (4) among the predetermined source sources is transferred to the multilink center (3) via the A / V line (35) shown in FIG.
And is transmitted to the sub-rooms (20) to (23). Now, if the remote control (14a) of the sub room (20) is operated, a performance request command of the CD player (4) is issued to the multi center (3) of the master room (2), and the sub room is transmitted via the multi link center (3). It is assumed that audio information (16) has been transmitted from the CD player (4) to (20). Of course, the contents of the audio information (16) can be heard in other sub-rooms (21) and (22). In this playback state, the master room (2)
The multi-link center (3) sets the sub-room owner flag to "1" in CD1 shown in FIG. 4A and transmits it to the multi-link receivers (25) to (27) in each sub-room.

Next, in this playback state, in order to listen to other audio information (other songs) from the sub room (21), the CD player (4) is stopped, and the stop key (14d) is pressed from the remote control (14b).
Even if the stop code is sent by pressing, the CD player (4)
Since the owner of the sub-room (20) has the right to use the multi-link center (3) in the master room (2)
The CPU (47) ignores the CD player stop request command from the sub room (21). The CPU (47) transmits the operating state information of each electronic device as the source shown in FIG. 4B to the sub-rooms (20) to (23). The operation state can be grasped on the sub room side. Of course, other, for example, sub-room (22)
, A multi-link center (3) transmits the audio information of the tape deck (5) to the sub room (22).

Further, when the audio information (16) of the tape deck (5) being listened to in the sub-room (22) is turned off, for example, or when an LD player or the like as another source is selected, the sub-room ( It is necessary to change the owner flag “1” of 22) to “0”, and the sub room (22)
The right to use the audio information of the tape deck (5) is extinguished. However, when the owner of the sub-room (22) presses the stop key (14e) of the remote control (14c) to transmit a stop code, the CPU (47) in the master room (2) receives the stop code shown in FIG. If the stop state is set immediately after seeing "1 _H " in the "STOP" state, it is determined whether the stop is a true stop or the tape deck was stopped in the process of fast-forwarding (FF) or rewinding (REW). Can not. That is, FF and
Even if it is stopped for REW or stopped for a few minutes, there is a possibility that there is an intention to continue using it. Therefore, in this example, the counter of the timer (50) in the CPU (47) is started with the stop code read. If the PLAY code does not come from the sub-room (22) before the counter reaches a predetermined time, for example, 10 minutes, the owner of the sub-room (22) intends to continue using the current tape deck (5). It is determined that there is no data, and the counter is incremented. During this time, the sub-room (2
The owner of 2) does not lose the usage right to select the tape deck (5), keeps the usage right and keeps setting the owner flag “1”, but if the playback command does not come within 10 minutes, the owner flag Is set to "0" and the usage right is extinguished.

In the present embodiment, the configuration is as described above, so that the stop state is maintained in the state where the stop command is received, and compared to the conventional configuration in which one of the limited source sources cannot use the electronic device. If the playback status is not changed to the playback state after a certain period of time, the right to use is erased, and the processing is automatically performed in the same manner as the true stop state (power-off state). What can use the source effectively can be obtained.

It is clear that the present invention can be variously modified without departing from the gist of the present invention, such as being applied to a home bus system without being limited to the above-described embodiment.

〔The invention's effect〕

ADVANTAGE OF THE INVENTION According to the transmission apparatus of this invention, the thing by which several users can efficiently select the limited source is obtained.

[Brief description of the drawings]

FIG. 1 is a system diagram showing an embodiment of the transmission device of the present invention, FIG. 2 is a diagram showing frequency allocation of MLS, FIG. 3 is a diagram showing a format of a remote control signal, and FIG. FIG. 5 is a diagram showing the definition of signal byte data, FIG. 5 is a configuration diagram of a conventional MLS, and FIG. 6 is an explanatory diagram of a digital remote control format. (1) House, (3) Multilink center, (4)
CD player, (5) deck, (6) DAT, (7) tuner, (8) VTR, (9) CD player, (10)
Is the main amplifier, (20) to (23) are sub rooms, (25)
(27) is a multilink receiver, (44) and (45) are decoders, (47) is a CPU, and (50) is a timer.

Claims (1)

(57) [Claims] 1. A transmission device for transmitting data reproduced from an electronic device via a transmission path from a master room in which a plurality of electronic devices are centrally arranged to a transmitting and receiving device in a plurality of sub rooms. Transfer means for transferring a stop command from a transmitting / receiving device provided in a predetermined sub room to a predetermined electronic device among the plurality of electronic devices provided in the master room, Timer means for starting time counting from a state in which the stop command transferred by the transfer means is received; and when another command is transferred from the transfer means within a predetermined time based on a count value of the time counting means, The stop command is interpreted as a pause command, and control is performed based on the another command, and another command is issued within a predetermined time based on the count value of the timing means. A transmission device comprising a control means for interpreting the stop command as a complete stop command when the transfer is not performed from a stage, and for controlling the occupation right to the predetermined electronic device from the predetermined subroom to disappear.