CN2731867Y

CN2731867Y - Device of remote controlling digital settop box

Info

Publication number: CN2731867Y
Application number: CN 200420018077
Authority: CN
Inventors: 徐国伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-05-13
Filing date: 2004-05-13
Publication date: 2005-10-05
Anticipated expiration: 2014-05-13

Abstract

The utility model relates to a device of a far end control digital set top box, which comprises a proximal end controller and at least one far end controller, wherein, the proximal end controller is arranged nearby a digital set top box and is connected with a proximal end television; the far end controller is arranged nearby the far end television; the proximal end controller is composed of a radio frequency modulator, a capacitor C1, an inductor L1 and an infrared emitter; the far end controller is composed of an infrared receiver, a capacitor C2 and an inductor L2; the proximal end controller is connected with the far end controller by a cable. When the utility model is used, video frequency signals on the digital set top box are modulated into radio frequency signals so as to be transferred to the far end controller by the radio frequency modulator. Thereby, the radio frequency signals are transferred to the far end television. Elective calling signals sent out by the far end are transferred to the infrared emitter of the proximal end controller by the infrared receiver. Thereby, the elective calling signals are transferred to an infrared receiving head of the digital set top box. Thus, the utility model can carry out control for the digital set top box in a foreign place, has the advantage of simple structure, and has no need of any alternation for the existing digital set box. Therefore, one digital set top box can meet video receiving requirements for a plurality of televisions.

Description

Far-end is controlled the device of digital set-top box

Technical field

The utility model relates to the servicing unit with the matching used digital set-top box of television set, refers to that particularly a kind of far-end controls the device of digital set-top box.

Background technology

Along with science and technology development, Digital Television is open-minded gradually in each big or middle city of China, and it has brought the TV programme of more high-quality, high definition for vast TV user.But watch that Digital Television must be in digital set-top box of the other installation of television set, by the decoding of digital set-top box, the television set that could supply with domestic consumer receives, and a digital set-top box can only connect a television set.And the many families of present China generally have the television set more than two even two, these television sets are placed on the different place of family respectively such as parlor, bedroom etc. are located, and can must be fixedly placed in wherein a place and link to each other with the television set at this place for the digital set-top box of channel selection, after being installed in the parlor when digital set-top box, the user just can not continue to watch the digital television program in parlor on the television set in bedroom, the function of a visible digital set-top box can't satisfy the demand that whole family multiple TV set is watched simultaneously.If want to watch digital television program simultaneously, then must dispose a digital set-top box again in parlor and bedroom.Like this, both caused the waste of the digital set-top box of resetting, and must repeat to pay the license fee usefulness of many digital set-top box again, obvious most of average families are unable again to be born.In order to address the above problem, people attempt to design a kind of far-end control device and command digital set-top box channel selection, but existing similar device need carry out partial reequipping to existing digital set-top box inside on the society, so not only destroyed the structure of former digital set-top box, and make device be tending towards complicated, unless manufacturer redesigns the production of mould tissue on request, otherwise large quantities of popularizations is impossible at all.

Summary of the invention

The purpose of this utility model be exactly to provide a kind of simple in structure, need not make any change, control the device of digital set-top box existing set-top box by controlling far-end that a set-top box just can satisfy multiple TV set rating demand.

For realizing this purpose, the designed far-end of the utility model is controlled the device of digital set-top box, comprise one be arranged on digital set-top box that the near-end television set links to each other near the near-end controller and at least one be arranged near the far-end television set and far-end television set remote controller one to one.This near-end controller is made of radio-frequency modulator, capacitor C 1, inductance L 1 and infrared transmitter, the video input interface of radio-frequency modulator links to each other with the video output interface of digital set-top box, the radio-frequency (RF) output end of radio-frequency modulator links to each other with an end of capacitor C 1, one end of inductance L 1 links to each other with infrared transmitter, this infrared transmitter mates with the infrared receiving terminal of existing digital set-top box, and the other end of capacitor C 1 and inductance L 1 links to each other with the mixed signal interface of near-end controller simultaneously.This remote controller is made of infrared remote receiver, capacitor C 2 and inductance L 2, this infrared remote receiver is complementary with the Infrared remote controller of existing digital set-top box, the output of infrared remote receiver links to each other with an end of inductance L 2, the rf input interface of the far-end television set that one end of capacitor C 2 is corresponding with remote controller links to each other, and the other end of capacitor C 2 and inductance L 2 links to each other with the mixed signal socket of remote controller simultaneously.The mixed signal interface of this near-end controller links to each other with the mixed signal socket of remote controller by cable.

Operation principle of the present utility model is such: by the radio-frequency modulator of near-end controller the vision signal of digital set-top box is modulated into radiofrequency signal, passes to remote controller, and then pass to the far-end television set; The channel selecting signal that the Infrared remote controller of the digital set-top box of the strange land being used by the infrared remote receiver of remote controller is sent, pass to the infrared transmitter of near-end controller, and then pass to the infrared receiving terminal of digital set-top box, so just can control in strange land logarithmic code set-top box.

Advantage of the present utility model is: designed near, remote controller combine by conventional electric component, and it is simple and reliable for structure; Closely, adopting cable to patch with the infrared emission receiving-member between remote controller and the digital set-top box transmits signal, need not make any change to existing electrical equipment, be convenient to low cost and form a complete production network in enormous quantities; Can make average family under the condition that a digital set-top box only is housed, make that all television sets can both reach the effect that SRC is watched in the family, can walk and see the there thereunto, improve consumer's desire to purchase and interest, save license fee and installation cost, be convenient to the popularization and the development of Digital Television, the function of digital set-top box is fully utilized.Simultaneously, the utility model also can be used for other any equipment that need remote control such as VCD, DVD, satellite receiver or the like, realize these equipment the strange land remote control, watch, channel selection.

Description of drawings

Fig. 1 is the structural representation that the far-end that is used for the channel selection of a far-end television set is controlled the device of digital set-top box;

Fig. 2 is the structural representation that the far-end that is used for the channel selection of multi-section far-end television set is controlled the device of digital set-top box.

Embodiment

Below in conjunction with accompanying drawing specific embodiment of the utility model is described in further detail:

Far-end is as shown in Figure 1 controlled the device of digital set-top box, has a near-end controller 5 and a remote controller 10 that is placed on far-end television set 13 sides that is placed on digital set-top box 2 sides.The video output interface 3 of digital set-top box 2 links to each other with the video input interface of near-end television set 1, transmits vision signal and gives near-end television set 1.Near-end controller 5 is made of radio-frequency modulator 7, capacitor C 1, inductance L 1 and infrared transmitter 8, the video input interface 6 of radio-frequency modulator 7 links to each other with the video output interface 3 of digital set-top box 2, the radio-frequency (RF) output end of radio-frequency modulator 7 links to each other with an end of capacitor C 1, one end of inductance L 1 links to each other with infrared transmitter 8, infrared transmitter 8 mates with the infrared receiving terminal 4 of digital set-top box 2, and the other end of capacitor C 1 and inductance L 1 links to each other with the mixed signal interface 14 of near-end controller 5 simultaneously.Above-mentioned infrared transmitter 8 can stretch out outside the housing of near-end controller 5 by the cable of adjustable in length, the riding position that can make near-end controller 5 like this is maneuverability comparatively, under the situation of not mobile near-end controller 5, can easily infrared transmitter 8 be adjusted simultaneously and aim at infrared receiving terminal 4, reliable to guarantee the channel selecting signal transmission.Remote controller 10 is made of infrared remote receiver 11, capacitor C 2 and inductance L 2, the Infrared remote controller of infrared remote receiver 11 and digital set-top box 2 shared same models, the output of infrared remote receiver 11 links to each other with an end of inductance L 2, one end of capacitor C 2 links to each other with the rf input interface of far-end television set 13 by cable 12, transmit radiofrequency signal and give far-end television set 13, the other end of capacitor C 2 and inductance L 2 links to each other with the mixed signal socket 15 of remote controller 10 simultaneously.14 of the mixed signal interfaces of near-end controller 5 pass through cable 9 and link to each other with the mixed signal socket 15 of remote controller 10.

Far-end is as shown in Figure 2 controlled the device of digital set-top box, its near-end controller 5 and remote controller 10 are identical with the structure among Fig. 1, just remote controller 10 can have a plurality of, the mixed signal interface 14 of near-end controller 5 is crossed fluidic distributor 16 via one and is linked to each other with the mixed signal socket 15 of a plurality of remote controllers 10 with cable 9, can realize the transmission of signal between a near-end controller 5 and a plurality of remote controller 10.The quantity of general remote controller 10 is one to four, can satisfy the needs of one to four far-end television set 13 of most families.Near-end controller 5 links to each other with two remote controllers 10 by two commercially available distributors 16 in the present embodiment.

During the utility model work, enter radio-frequency modulator 7 in near-end television set 1 and the near-end controller 5 simultaneously from the vision signal of video output interface 3 output of digital set-top box 2, radio-frequency modulator 7 is modulated into radiofrequency signal with this vision signal, then through capacitor C 1, cable 9, pass to capacitor C 2 in the remote controller 10, give far-end television set 13 by cable 12 again, thereby can on far-end television set 13, watch the digital television program.Need be when the far-end channel selection, the infrared remote receiver 11 of Infrared remote controller in remote controller 10 with digital set-top box 2 sends channel selecting signal, this infrared remote receiver 11 will pass to inductance L 1 in the near-end controller 5 through inductance L 2, cable 9 with the channel selecting signal of its perception, and channel selecting signal is reached infrared transmitter 8 through inductance L 1, pass to the infrared receiving terminal 4 of digital set-top box 2 again by infrared transmitter 8, thereby control digital set-top box 2 at far-end, realize the purpose of far-end channel selection.

Claims

1. a far-end is controlled the device of digital set-top box, comprise that one is arranged near the digital set-top box (2) that links to each other with near-end television set (1) near-end controller (5) and at least one and is arranged near the far-end television set (13) remote controller (10), is characterized in that:

This near-end controller (5) is made of radio-frequency modulator (7), capacitor C 1, inductance L 1 and infrared transmitter (8), the video input interface (6) of radio-frequency modulator (7) links to each other with the video output interface (3) of digital set-top box (2), the radio-frequency (RF) output end of radio-frequency modulator (7) links to each other with an end of capacitor C 1, one end of inductance L 1 links to each other with infrared transmitter (8), infrared transmitter (8) mates with the infrared receiving terminal (4) of digital set-top box (2), and the other end of capacitor C 1 and inductance L 1 links to each other with the mixed signal interface (14) of near-end controller (5) simultaneously;

This remote controller (10) is made of infrared remote receiver (11), capacitor C 2 and inductance L 2, the output of infrared remote receiver (11) links to each other with an end of inductance L 2, one end of capacitor C 2 links to each other with the rf input interface of far-end television set (13), and the other end of capacitor C 2 and inductance L 2 links to each other with the mixed signal socket (15) of remote controller (10) simultaneously;

The mixed signal interface (14) of this near-end controller (5) links to each other with the mixed signal socket (15) of remote controller (10) by cable (9).

2. far-end according to claim 1 is controlled the device of digital set-top box, it is characterized in that: the mixed signal interface (14) of said near-end controller (5) is crossed fluidic distributor (16) via one and is linked to each other with the mixed signal socket (15) of a plurality of remote controllers (10) with cable (9).

3. far-end according to claim 1 and 2 is controlled the device of digital set-top box, it is characterized in that: the quantity of said remote controller (10) is one to four.

4. far-end according to claim 1 and 2 is controlled the device of digital set-top box, it is characterized in that: the infrared transmitter (8) of said near-end controller (5) stretches out outside the housing of near-end controller (5) by the cable of adjustable in length.

5. far-end according to claim 3 is controlled the device of digital set-top box, it is characterized in that: the infrared transmitter (8) of said near-end controller (5) stretches out outside the housing of near-end controller (5) by the cable of adjustable in length.