CN203675118U - Infrared transmitting device capable of transmitting analog audio signal and digital signal simultaneously - Google Patents
Infrared transmitting device capable of transmitting analog audio signal and digital signal simultaneously Download PDFInfo
- Publication number
- CN203675118U CN203675118U CN201320710532.5U CN201320710532U CN203675118U CN 203675118 U CN203675118 U CN 203675118U CN 201320710532 U CN201320710532 U CN 201320710532U CN 203675118 U CN203675118 U CN 203675118U
- Authority
- CN
- China
- Prior art keywords
- signal
- digital signal
- infrared
- audio signal
- transmitting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model discloses an infrared transmitting device capable of transmitting an analog audio signal and a digital signal simultaneously, and especially relates to an infrared transmitting device capable of transmitting the analog audio signal and the digital signal simultaneously, wherein the infrared transmitting device employs a CD4046 for digital signal modulation. The device provided by the utility model compares a to-be-transmitted signal with a signal with the same audio frequency, and the signal with a higher frequency is modulated, thereby preventing the interference between signals well, simplifying the structure of the device, enabling the practicality of the transmitting device to be improved, and reducing the manufacture cost of the device.
Description
Technical field
The utility model relates to electric information, for the infrared launcher of a kind of simultaneously transportation simulator audio signal with digital signal is provided, particularly relate to a kind of using CD4046 as digital signal modulated can while transportation simulator audio signal and the infrared launcher of digital signal.
Background technology
Collection and transmission for simulated audio signal and digital signal in real world applications can be taked wire transmission mode and wireless transmission method, and wireless transmission method has the various ways such as radio wave, infrared ray.Existing apparatus generally takes the mode of transmitting respectively namely to install transmission of digital signals with a device transmission of analogue signal with another for the transmission of analog signal and digital signal, although can ensure like this to reduce the interference between signal transmission in the middle of the process of transmission, can also cause the complex structure of transmitting device simultaneously.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the involved device of the utility model is taked the digital signal to transmitting to carry out the same audio signal high-frequency signal of comparing to modulate, avoid preferably the interference between signal to simplify the structure of installing simultaneously, the practicality of emitter is increased.
The technical scheme that the utility model adopts is: then the modulating wave that this device becomes 38KHz frequency as voltage modulator by the digital signal modulated of input with CD4046 phase-locked loop intergrated circuit mixes with the audio analog signals of another road input by transistor and amplify rear drive infrared light emitting diode through late-class circuit and be transformed into that infrared signal is launched so that received circuit receives, the Radio infrared line transmission of settling signal.
Compared with prior art, the beneficial effects of the utility model are: circuit structure is simple; It is little that signal only has a transmission channel transmitting procedure to disturb, the cost of manufacture of reducing apparatus.
Brief description of the drawings
Fig. 1 is the electric circuit constitute structure chart of the utility model patent.
Embodiment
As shown in Figure 1, be the electric circuit constitute structure chart of the utility model patent.The utility model is mainly the analog signal that input is provided by simulation signal generator 1, provide the digital signal of input and the modulation circuit 3 that forms via CD4046 integrated circuit carries out 38KHz frequency modulation(FM) by derived digital signal 2, and input to together signal mixed circuit 4 with analog signal and carry out the mixing of signal and drive signal amplification circuit 5 that mixed signal is amplified to the numeral that drives infrarede emitting diode 6 to send out to contain through mixing supplying with other receiving circuits with the infrared signal of analog signal information and carrying out the reception of Radio infrared line signal.
This device circuit device is installed on a circuit board and is powered by external D.C. regulated power supply.Above circuit is arranged in the shell of insulating material composition and forms an independent infrared launcher.Infrared reception can adopt infrared photodiode circuit to receive.
Claims (3)
1. an infrared launcher for transportation simulator audio signal and digital signal simultaneously, is characterized in that: can while transportation simulator audio signal and digital signal.
2. the infrared launcher of a kind of transportation simulator audio signal simultaneously according to claim 1 and digital signal, is characterized in that: the signal of the circuit that the digital signal process that transmit is made up of CD4046 is modulated.
3. the infrared launcher of a kind of transportation simulator audio signal simultaneously according to claim 1 and digital signal, is characterized in that: the digital signal of mixing and analog signal are by same infrarede emitting diode transmitting infrared signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320710532.5U CN203675118U (en) | 2013-11-12 | 2013-11-12 | Infrared transmitting device capable of transmitting analog audio signal and digital signal simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320710532.5U CN203675118U (en) | 2013-11-12 | 2013-11-12 | Infrared transmitting device capable of transmitting analog audio signal and digital signal simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203675118U true CN203675118U (en) | 2014-06-25 |
Family
ID=50971364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320710532.5U Expired - Fee Related CN203675118U (en) | 2013-11-12 | 2013-11-12 | Infrared transmitting device capable of transmitting analog audio signal and digital signal simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203675118U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743577A (en) * | 2016-01-29 | 2016-07-06 | 杭州电子科技大学 | Visible light audio transmission system based on phase-locked loop |
| CN107636987A (en) * | 2015-04-07 | 2018-01-26 | Televic会议股份有限公司 | The method and system of multiple voice-grade channels is transmitted by frequency modulation(PFM) infrared band |
-
2013
- 2013-11-12 CN CN201320710532.5U patent/CN203675118U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107636987A (en) * | 2015-04-07 | 2018-01-26 | Televic会议股份有限公司 | The method and system of multiple voice-grade channels is transmitted by frequency modulation(PFM) infrared band |
| CN107636987B (en) * | 2015-04-07 | 2020-10-23 | Televic会议股份有限公司 | Method and system for modulating infrared frequency band by using frequency |
| CN105743577A (en) * | 2016-01-29 | 2016-07-06 | 杭州电子科技大学 | Visible light audio transmission system based on phase-locked loop |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203675118U (en) | Infrared transmitting device capable of transmitting analog audio signal and digital signal simultaneously | |
| CN102421055A (en) | Wireless digital remote control sound box device | |
| CN203327219U (en) | Multifunctional wireless sound system | |
| CN201414133Y (en) | Signal strength display device and bridge | |
| CN203027265U (en) | Digital processing type frequency modulation synchronized broadcasting exciter | |
| CN201113982Y (en) | USB wireless audio frequency emitting set | |
| CN204482022U (en) | visible light communication music earphone and visible light communication music playing system | |
| CN201608898U (en) | Microphone wireless sound transmission system | |
| CN201118992Y (en) | A wireless sound box device | |
| EP2509215A3 (en) | Power amplifier circuit with means for tuning wave shape of ASK RF signal envelope, and method for implementing the power amplifier circuit | |
| CN103532624A (en) | Short-distance optical wireless voice frequency transmission device | |
| CN202309995U (en) | Digital television controller | |
| CN202565273U (en) | Electronic signal transmission system taking a light emitting diode as medium | |
| CN201522779U (en) | Infrared wireless communication system applied to medical equipment | |
| CN101997602A (en) | Infrared radio communication system applied to medical equipment | |
| CN203368447U (en) | Vehicle-mounted frequency modulation carrier wireless device | |
| CN203267864U (en) | Cigar lighter with built-in command decoder and FM emitter | |
| CN203734682U (en) | Field-type FM synchronization network workstation | |
| CN201156734Y (en) | Infrared system and earphone having compressed transmission and receiving extension function | |
| CN103021162A (en) | Device for realizing infrared remote control function through audio signal | |
| CN205017338U (en) | On -vehicle radio frequency broadcast reception device and on -vehicle radio frequency broadcaster | |
| CN106027081A (en) | Full-band intelligent and adjustable FM transmitter | |
| CN201766579U (en) | Frequency-modulation radio with frequency-modulation transmitting function | |
| CN201733291U (en) | Wireless frequency modulation transmitter | |
| CN202617161U (en) | Frequency agile FSK (Frequency Shift Keying) modulating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20141112 |
|
| EXPY | Termination of patent right or utility model |