Three-in-one TV set
Technical field
The invention belongs to technical field of television sets, a kind of improved three-in-one TV set that relates to television set that integrates television set, DVD, power amplifier of more clearly saying so.
Background technology
Existing television set only has the basic function that televiews and is the miscellaneous function of display images such as Video CD (DVD) machine, video tape recorder.The program that it can rating TV station broadcasts is also listened its sound accompaniment, and the display that also can do DVD player, video tape recorder etc. uses.But it can not replace DVD player, play-overs audio-visual product video discs such as DVD, VCD, CD.Can not replace stereo set, directly carry out the power amplification of high-power high-fidelity.This can't but be a big defective of existing television set.
Existing DVD player can be play-overed audio-visual product video discs such as DVD, VCD, CD, but it must connect television set in use as display.Also can connect power amplifier and carry out power amplification.This class split connects complicated and bothers, and the user will carefully differentiate different binding posts, and inconvenience is arranged.
The US4937672 U.S. Patent Publication a kind of audio converter with audio/video device of super video recording capacity.97122846。No. 9 Chinese patent application discloses a kind of system and method that transmits and receive data between audio-video apparatus.96101718。The X Chinese patent application discloses a kind of television receiver and PC series microcomputer shows dual-purpose display.Above-mentioned patent or patent application have solved establishes direct links between Voice ﹠ Video device, television set and PC microcomputer or the problem of common display.But they all do not propose a kind of technical scheme that integrates the function of television set, DVD, power amplifier.
Purpose of the present invention is to overcome above-mentioned shortcoming and defect, and the three-in-one TV set of functions such as a kind of rating TV programme that integrates television set, DVD, power amplifier, DVD playing back, audio-visual products such as VCD, CD, high-fidelity power amplification is provided.
Summary of the invention
In order to achieve the above object.The present invention is made of casing and the Core of TV set electronic circuit that is installed in the casing.The movement electronic circuit is by antenna and high-frequency tuner, Infrared remote controller, infrared remote receiver reaches and its master control microprocessor that is connected successively, EEPROM (Electrically Erasable Programmable Read Only Memo) (EEPROM), handle and the chroma decoding circuit with the luminance signal that the master control microprocessor is connected with high-frequency tuner, with the line output that luminance signal is handled and the chroma decoding circuit is connected, field output and display and the standard commutation circuit that is connected successively with luminance signal processing and chroma decoding circuit, the AV change-over circuit, commutation circuit is handled in the input of two channel audio signal, audio-frequency power amplifier and loud speaker and power circuit constitute.The movement electronic circuit also is connected with the movement electronic circuit of DVD player, and they are installed in the casing jointly.This situation is actually a television set and DVD player unites two into one.
Also can left and right sound channels audio input end of the movement electronic circuit of television set is corresponding be connected with left and right sound channels audio output of the movement electronic circuit of DVD player.The video output terminal of the video input terminal of the movement electronic circuit of television set and the movement electronic circuit of DVD player cuts off.The S video input terminal of the movement electronic circuit of television set is connected with the S video output terminal of the movement electronic circuit of DVD player.This moment remains a television set and DVD player unites two into one, and only uses the connection of S video line.
Can also be connected the video output terminal of the video input terminal of the movement electronic circuit of television set with the movement electronic circuit of DVD player.Audio output of the movement electronic circuit of DVD player through two channel audio signal input-switching circuits of the movement electronic circuit of television set be connected with set of speakers again after power amplifier is connected.The movement electronic circuit of television set, the movement electronic circuit of DVD player and power amplifier are installed in the casing jointly.It is one that this connection closes three to television set, DVD player and power amplifier in fact.Make it to have multiple functions such as audio-visual products such as rating TV programme, DVD playing back, VCD, CD, high-fidelity power amplification.
Can also be connected the video output terminal of the video input terminal of the movement electronic circuit of television set with the movement electronic circuit of DVD player, 5.1 sound channels of the movement electronic circuit of DVD player are mid-around audio frequency output, supper bass, around a left side, around the right side, a preposition left side, preposition right terminal respectively with 5.1 sound channels mid-around the power amplifier of audio frequency output, supper bass, around a left side, around the right side, a preposition left side, after connecting, preposition right input terminal is connected the movement electronic circuit of television set again with 6 loud speakers, the movement electronic circuit of DVD player and 5.1 sound channels are installed in the casing jointly around the power amplifier of audio frequency output.This three-in-one TV set has the more perfect multi-functional of 5.1 sound channel surround sound power amplifiers, and tonequality is good, operation, easy to use.
Task of the present invention comes to this and finishes.
The present invention integrates functions such as the rating TV, DVD playing back, video discs such as VCD, CD, high-fidelity power amplifier of television set, DVD, power amplifier, function is many, easy to use, simple to operate, can be widely used in the occasions such as family, hotel, office, group, school, enterprises and institutions.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present invention.
Fig. 2 is its functional-block diagram.
Fig. 3 is its logic block-diagram.
Fig. 4 is connected to the block diagram of television set for DVD player.
Fig. 5 is connected to the block diagram that used as television S video line connects for DVD player.
Fig. 6 is the connection diagram with three-in-one TV set of 5.1 sound channel surround sound power amplifiers.
Fig. 7 is the functional-block diagram of power amplifier.
Fig. 1~shown in Figure 2, the present invention is made of casing 1, Core of TV set 2, DVD player movement 3 and power amplifier movement 4.The video input terminal of movement 2 electronic circuits of television set is connected with the video output terminal of movement 3 electronic circuits of DVD player, and line is 5.Audio output of movement 3 electronic circuits of DVD player through two channel audio signal input-switching circuits 6 of movement 2 electronic circuits of television set and power amplifier movement 4 successively by line 7 be connected with set of speakers 8 again after 9 are connected.
Shown in Figure 3, the present invention can be by single key stroke, two-shipper identification: (1) is provided with independent TV switch and the DVD switch of starting shooting/treat of starting shooting/treat.When TV is in open state and DVD when being in holding state, TV is system independently.When TV was in open state, if DVD transfers start to by standby, TV will detect the operating state of DVD, and then TV enters the DVD broadcast state automatically.At this moment, some function of TV will be ineffective, as: program exchange, AV conversion, program plus-minus etc.But still work for the function of adjusting volume and image effect.If at this moment DVD transfers holding state to by open state, then TV will be transferred to previous state (TV radio frequency or AV) automatically.0~9 of numerical key in the remote controller is TV and the multiplexing key of DVD.When DVD is open state, be the DVD operation keys.Otherwise, be the TV operation key.(2) the independent power amplifier switch of starting shooting/treat is set.When TV is in open state and power amplifier when being in holding state, TV is system independently.When TV was in open state, if power amplifier transfers when start to by standby, TV will detect the operating state of power amplifier, and then TV enters mute state automatically.At this moment, TV adjusts function associated with ineffective with sound accompaniment.As volume plus-minus, sound accompaniment pattern etc.But the function for image effect still works.If at this moment power amplifier transfers holding state to by open state, then electricity will transfer previous state automatically to, for realizing showing with the television identical step state of power amplifier, adopt single key stroke, two-shipper recognition technology.Promptly use a key of remote controller, launch two different sign indicating numbers.These two different sign indicating numbers are discerned by TV and power amplifier respectively.Carry out the function corresponding operation after the power amplifier identification, TV then carries out the screen display of corresponding function.(3) when TV is in holding state, power amplifier and DVD also can operate separately.If when at this moment TV transferred start to by shutdown or standby, then TV will be operated accordingly with detecting the state of power amplifier and DVD.This system also can be connected with other ancillary equipment.
Shown in Figure 4, Core of TV set 2 electronic circuits also are connected with movement 3 electronic circuits of DVD player.
Shown in Figure 5, Core of TV set 2 connects one to one with the input of left and right sound channels audio frequency, output and the input of S video, the output of DVD player movement 3, and its line is respectively 7 and 11.
Shown in Figure 6, Core of TV set 2 and the input between the DVD player movement 3, outputting video signal with three-in-one TV set of 5.1 sound channel surround sound power amplifiers connect with line 5.Mid-, supper bass between DVD player movement 3 and the power amplifier movement 4, distinguish around a left side, around right side, a preposition left side, the output of preposition right-hand member and input audio signal and to be connected one by one, line is respectively 12,13,14,15,16 and 17.
Fig. 7 is the functional-block diagram of power amplifier movement 4.
Embodiment
1. 1 kinds of three-in-one TV sets of embodiment, as shown in Figure 4.It is made of casing and the Core of TV set electronic circuit that is installed in the casing.The Core of TV set electronic circuit also is connected with the movement electronic circuit of DVD player, and they are installed in the casing jointly.This situation is actually a television set and DVD player unites two into one.
2. 1 kinds of three-in-one TV sets of embodiment, as shown in Figure 5.Left and right sound channels audio output of the corresponding movement electronic circuit with DVD player of the left and right sound channels audio input end of the movement electronic circuit of television set is connected, and the S video input terminal of the movement electronic circuit of television set is connected with the S video output terminal of the movement electronic circuit of DVD player.This moment remains a television set and DVD player unites two into one, and only uses the connection of S video line.
3. 1 kinds of three-in-one TV sets of embodiment, as shown in Figure 2.The video input terminal of the movement electronic circuit of television set is connected with the video output terminal of the movement electronic circuit of DVD player, audio output of the movement electronic circuit of DVD player through two channel audio signal input-switching circuits of the movement electronic circuit of television set be connected with set of speakers again after power amplifier is connected, the movement electronic circuit of television set, the movement electronic circuit of DVD player and power amplifier are installed in the casing jointly.
4. 1 kinds of three-in-one TV sets of embodiment with 5.1 sound channel surround sound power amplifiers, as shown in Figure 6.Video input between Core of TV set and the DVD player movement, output signal are connected.Mid-, supper bass between DVD player movement and the power amplifier movement, distinguish around a left side, around right side, a preposition left side, the output of preposition right-hand member and input audio signal and to be connected one by one.The movement of television set, the movement of DVD player and 5.1 sound channels are installed in the casing jointly around the power amplifier of audio frequency output.
Embodiment 1~4 integrates functions such as the rating TV, DVD playing back, video discs such as VCD, CD, high-fidelity power amplifier of television set, DVD, power amplifier, function is many, easy to use, simple to operate, can be widely used in the occasions such as family, hotel, office, group, school, enterprises and institutions