CN112073080B - Bluetooth PTT intercom system and equipment thereof - Google Patents
Bluetooth PTT intercom system and equipment thereof Download PDFInfo
- Publication number
- CN112073080B CN112073080B CN202010960165.9A CN202010960165A CN112073080B CN 112073080 B CN112073080 B CN 112073080B CN 202010960165 A CN202010960165 A CN 202010960165A CN 112073080 B CN112073080 B CN 112073080B
- Authority
- CN
- China
- Prior art keywords
- module
- audio
- bluetooth
- interphone
- bluetooth adapter
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L17/00—Speaker identification or verification
- G10L17/22—Interactive procedures; Man-machine interfaces
- G10L17/24—Interactive procedures; Man-machine interfaces the user being prompted to utter a password or a predefined phrase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3883—Arrangements for mounting batteries or battery chargers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
Abstract
The invention discloses a Bluetooth PTT intercom system and equipment thereof, comprising an interphone, a Bluetooth adapter and a Bluetooth earphone, wherein a signal antenna is fixedly arranged at one side of the upper part of the interphone, a frequency modulation knob is movably arranged at the other side of the upper part of the interphone, an input audio plug and an output audio plug are fixedly arranged at one side of the Bluetooth adapter, a PTT key is movably arranged at the middle position of the bottom of the front part of the Bluetooth adapter, a sound tube is arranged at the upper part of the PTT key at the front part of the Bluetooth adapter, an indicator lamp is embedded and arranged at the corner of the top of the front part of the Bluetooth adapter, and a fixing mechanism is arranged between the interphone and the Bluetooth adapter; the Bluetooth PTT intercom system can increase the stability of fixing the Bluetooth adapter, can also prevent dust for the input audio jack and the output audio jack of the interphone, can realize the function of regulating the volume through voice control, and enables the whole Bluetooth PTT intercom system to be more convenient to use.
Description
Technical Field
The invention relates to the field of Bluetooth PTT (push-to-talk) talkback equipment, in particular to a Bluetooth PTT talkback system and equipment thereof.
Background
The interphone is widely used in daily life of people, can perform speech communication in a small range through a frequency channel, is generally used in groups needing to communicate at any time, such as security, riding, traveling and the like, and simultaneously needs to separate working groups, and is a brand new mobile technology, can rapidly perform one-to-one or one-to-many communication, just like using an interphone, because the interphone needs to continuously hold a button for talkback or answer, and in order to make hands free to operate other things, the interphone is generally matched with the Bluetooth PTT intercom system for use, and the interphone can work by using an external Bluetooth earphone;
the existing Bluetooth PTT intercom system and equipment thereof have certain defects in use, firstly, the equipment is poor in fixing effect, the whole equipment needs to be composed of an interphone, a Bluetooth adapter and a Bluetooth earphone, the Bluetooth adapter needs to be connected with the interphone through an input audio plug and an output audio plug, meanwhile, the existing Bluetooth adapter is also used for fixing the Bluetooth adapter simply by depending on the connection strength between the input audio plug and the output audio plug and the interphone, and in work, the Bluetooth adapter and the interphone are easy to separate due to movement vibration, the phenomenon of poor contact can be caused, and the stability is poor; secondly, the system is inconvenient to use, and when the system is used, the user can talk back through the Bluetooth, so that the interphone does not need to be operated under the normal condition, but the existing Bluetooth PTT talkback system still needs to adjust the output volume through manual operation, the manual operation is still frequently needed, and the use convenience is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the equipment fixing effect is poor, the whole equipment is required to be composed of an interphone, a Bluetooth adapter and a Bluetooth earphone, the Bluetooth adapter is required to be connected with the interphone through an input audio plug and an output audio plug, meanwhile, the existing Bluetooth adapter is also used for fixing the Bluetooth adapter simply depending on the connection force between the input audio plug and the output audio plug and the interphone, and in work, the Bluetooth adapter and the interphone are easy to separate due to movement vibration, poor contact can be caused, and the stability is poor; secondly, the system is inconvenient to use, and when the system is used, the user can talk back through the Bluetooth, so that the interphone does not need to be operated under the normal condition, but the existing Bluetooth PTT talkback system still needs to adjust the output volume through manual operation, the manual operation is still frequently needed, and the use convenience is reduced.
The invention solves the technical problems by the following technical scheme, and the Bluetooth PTT intercom device comprises an interphone, a Bluetooth adapter and a Bluetooth earphone, wherein a signal antenna is fixedly arranged at one side of the upper part of the interphone, a frequency modulation knob is movably arranged at the other side of the upper part of the interphone, an input audio plug and an output audio plug are fixedly arranged at one side of the Bluetooth adapter, a PTT key is movably arranged at the center of the bottom of the front part of the Bluetooth adapter, a sound tube is arranged at the upper part of the PTT key at the front part of the Bluetooth adapter, an indicator lamp is embedded and arranged at the corner of the top of the front part of the Bluetooth adapter, a fixing mechanism is arranged between the interphone and the Bluetooth adapter, and the fixing mechanism comprises a shaft seat, a connecting shaft, a torsion spring, a fixing plate, a first latch and a second latch.
Preferably, the axle bed is fixedly installed on one side of the interphone, the fixed plate is movably connected with the axle bed through the connecting shaft, the torsion spring is sleeved outside the connecting shaft, two ends of the torsion spring are fixedly connected with the axle bed and the fixed plate respectively, the first latch and the second latch are fixedly installed at the bottom of the fixed plate, and the first latch is located on one side of the second latch.
Preferably, the number of the fixing mechanisms is two, the two fixing mechanisms are symmetrically arranged, and the moving ranges of the two fixing plates are minus degree.
Preferably, two clamping grooves are formed in the upper surface and the lower surface of the Bluetooth adapter and are respectively matched with the first clamping teeth and the second clamping teeth in a clamping mode.
Preferably, the input audio plug and the output audio plug are matched with an input audio jack and an output audio jack of the interphone.
Preferably, the bluetooth adapter comprises a charge-discharge module, a battery module, an indicator light module, an audio input module, a bluetooth module, a digital-to-analog conversion module, a signal amplification module, an audio output module, a volume adjustment module and a voice control module;
the charging and discharging module is used for charging the battery module and controlling the battery module to supply power to the chip;
the battery module is used for storing and supplying power;
the indicator light module is used for indicating the electric quantity of the battery module;
the audio input module is used for receiving input audio;
the Bluetooth module is used for being in wireless connection with a Bluetooth headset;
the digital-to-analog conversion module is used for converting input audio into digital signals;
the signal amplification module is used for converting the digital signal converted by the digital-to-analog conversion module into an analog signal;
the audio output module is used for outputting the analog signal in an audio mode;
the volume adjusting module is used for adjusting the audio output volume of the audio output module.
Preferably, the voice control module comprises an audio receiving module, an audio analyzing module, a data storage module, an audio verifying module and a data processing module.
Preferably, the voice control module specifically processes the following steps:
s1: the audio receiving module receives the voice of a user;
s2: the audio analysis module analyzes whether the voice of the user belongs to a wake-up word;
s3: if the awakening words are not output through the Bluetooth module, the awakening words are compared with the awakening words stored in the data storage module through the audio verification module;
s4: and after the comparison is successful, the data processing module controls the volume adjusting module to adjust the volume.
Preferably, the data storage module stores a wakeup word.
Compared with the prior art, the invention has the following advantages: by arranging the fixing mechanism, the two fixing plates rotate to be horizontal through the connecting shaft, the input audio plug and the output audio plug on one side of the Bluetooth adapter are inserted into the input audio jack and the output audio jack of the interphone, after the fixing plates are loosened, the fixing plates are clamped outside the Bluetooth adapter through the elasticity of the torsion spring, meanwhile, the first latch and the second latch are respectively arranged in the clamping grooves on the upper surface and the lower surface of the Bluetooth adapter, and the fixing plates are extruded outside the Bluetooth adapter under the action of the elasticity of the torsion spring all the time, so that the Bluetooth adapter can be firmly fixed on the side surface of the interphone under the condition that the fixing plates are not manually turned, the phenomenon of free falling cannot occur, the fixing stability of the Bluetooth adapter can be improved, the phenomena of falling and loosening during the movement process can be avoided, the phenomenon that no audio is heard can be avoided, and when the Bluetooth adapter does not need to be fixed, the two fixing plates can turn over the side surface of the interphone, so that the input audio jack and the output audio jack of the interphone are protected from dust, and the function is better;
through setting up the speech control module, can realize the function of speech control regulation volume, conveniently vacate the bimanualness other things, also avoid needing frequent manual regulation volume simultaneously in the motion process for whole bluetooth PTT intercom system uses more conveniently.
Drawings
Figure 1 is an overall block diagram of a bluetooth PPT intercom arrangement of the present invention;
FIG. 2 is an enlarged view of A of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the connection structure of the interphone and the Bluetooth adapter of the present invention;
figure 4 is a system diagram of the bluetooth PPT intercom of the present invention;
FIG. 5 is a system diagram of a speech control module of the present invention.
In the figure: 1. an interphone; 2. a signal antenna; 3. a frequency modulation knob; 4. a Bluetooth adapter; 5. an input audio plug; 6. an output audio plug; 7. a Bluetooth headset; 8. a PTT key; 9. a sound tube; 10. an indicator light; 11. a fixing mechanism; 12. a shaft seat; 13. a connecting shaft; 14. a torsion spring; 15. a fixing plate; 16. a first latch; 17. a second latch.
Detailed Description
The following examples are given for the detailed implementation and the specific operation procedures, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1 to 5, the present embodiment provides a technical solution: bluetooth PTT talkbacks and equips, including intercom 1, bluetooth adapter 4 and bluetooth headset 7, upper portion one side position fixed mounting of intercom 1 has signal antenna 2, the upper portion opposite side movable mounting of intercom 1 has frequency modulation knob 3, one side fixed mounting of bluetooth adapter 4 has input audio plug 5 and output audio plug 6, the anterior bottom position movable mounting placed in the middle of bluetooth adapter 4 has PTT key 8, the anterior upper portion that is located PTT key 8 of bluetooth adapter 4 has seted up a sound section of thick bamboo 9, the embedding of the anterior top turning of bluetooth adapter 4 is installed pilot lamp 10, be equipped with fixed establishment 11 between intercom 1 and the bluetooth adapter 4, fixed establishment 11 is including axle bed 12, connecting axle 13, torsional spring 14, fixed plate 15, first latch 16 and second latch 17.
The number of the fixing mechanisms 11 is two, the two fixing mechanisms 11 are symmetrically arranged, and the moving ranges of the two fixing plates 15 are both 0-90 degrees.
Two draw-in grooves have all been seted up to the upper surface and the lower surface of bluetooth adapter 4, and two draw-in grooves match with first latch 16 and second latch 17 block respectively.
The input audio plug 5 and the output audio plug 6 are both matched with the input audio jack and the output audio jack of the interphone 1.
The Bluetooth adapter 4 comprises a charge-discharge module, a battery module, an indicator light module, an audio input module, a Bluetooth module, a digital-to-analog conversion module, a signal amplification module, an audio output module, a volume adjustment module and a voice control module;
the charging and discharging module is used for charging the battery module and controlling the battery module to supply power to the chip;
the battery module is used for storing and supplying power;
the indicating lamp module is used for indicating the electric quantity of the battery module;
the audio input module is used for receiving input audio;
the Bluetooth module is used for being in wireless connection with a Bluetooth headset;
the digital-to-analog conversion module is used for converting input audio into digital signals;
the signal amplification module is used for converting the digital signal converted by the digital-to-analog conversion module into an analog signal;
the audio output module is used for outputting the analog signal in an audio mode;
the volume adjusting module is used for adjusting the audio output volume of the audio output module.
The voice control module comprises an audio receiving module, an audio analyzing module, a data storage module, an audio verifying module and a data processing module.
The voice control module comprises the following specific processing steps:
s1: the audio receiving module receives the voice of a user;
s2: the audio analysis module analyzes whether the voice of the user belongs to a wakeup word;
s3: if the awakening words are not output through the Bluetooth module, the awakening words are compared with the awakening words stored in the data storage module through the audio verification module;
s4: and after the comparison is successful, the data processing module controls the volume adjusting module to adjust the volume.
The data storage module stores awakening words.
In summary, when the present invention is used, the bluetooth adapter 4 is first connected to the intercom 1 through the fixing mechanism 11, when in operation, the two fixing plates 15 are first rotated to be horizontal through the connecting shaft 13, the input audio plug 5 and the output audio plug 6 on one side of the bluetooth adapter 4 are inserted into the input audio jack and the output audio jack of the intercom 1, after the fixing plates 15 are loosened, the fixing plates 15 are clamped outside the bluetooth adapter 4 by the elastic force of the torsion springs 14, meanwhile, the first latch 16 and the second latch 17 are respectively arranged in the clamping grooves on the upper surface and the lower surface of the Bluetooth adapter 4, and the fixing plate 15 is always extruded outside the Bluetooth adapter 4 under the elastic action of the torsion spring 14, therefore, under the condition that the fixed plate 15 is not turned over manually, the Bluetooth adapter 4 can be firmly fixed on the side surface of the interphone 1, the phenomenon of free falling can not occur, when in use, the Bluetooth headset 7 is worn on the ear, the PTT key 8 is pressed to start the Bluetooth adapter 4 to work, people input audio through the Bluetooth headset 7, the Bluetooth adapter 4 receives the audio through the Bluetooth module, then the audio is converted into digital signals through a digital-to-analog conversion module, the digital signals are converted into analog signals through a signal amplification module and finally output through an audio output module, when the voice awakening device is used, the volume of the audio output can be adjusted through the volume adjusting module, meanwhile, the volume of the audio output can be adjusted through the voice control module, during operation, the audio receiving module receives the voice of a user, the audio analyzing module analyzes whether the voice of the user belongs to awakening words or not, the awakening words are not output through the Bluetooth module, the awakening words are compared with the awakening words stored in the data storage module through the audio verifying module, and after the comparison is successful, the volume is adjusted through the volume adjusting module controlled by the data processing module.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (1)
1. The Bluetooth PTT intercom device is characterized by comprising an interphone (1), a Bluetooth adapter (4) and a Bluetooth earphone (7), wherein a signal antenna (2) is fixedly installed at one side of the upper portion of the interphone (1), a frequency modulation knob (3) is movably installed at the other side of the upper portion of the interphone (1), an input audio plug (5) and an output audio plug (6) are fixedly installed at one side of the Bluetooth adapter (4), a PTT key (8) is movably installed at the center of the bottom of the front portion of the Bluetooth adapter (4), a sound tube (9) is arranged at the upper portion, located at the PTT key (8), of the front portion of the Bluetooth adapter (4) and provided with an indicator lamp (10), a fixing mechanism (11) is arranged between the interphone (1) and the Bluetooth adapter (4) in an embedded mode, and the fixing mechanism (11) comprises a shaft seat (12), a connecting shaft (13), a torsion spring (14), a fixing plate (15), a first latch (16) and a second latch (17);
the shaft seat (12) is fixedly arranged on one side of the interphone (1), the fixed plate (15) is movably connected with the shaft seat (12) through the connecting shaft (13), the torsion spring (14) is sleeved outside the connecting shaft (13), two ends of the torsion spring (14) are respectively fixedly connected with the shaft seat (12) and the fixed plate (15), the first latch (16) and the second latch (17) are fixedly arranged at the bottom of the fixed plate (15), and the first latch (16) is positioned on one side of the second latch (17);
the number of the fixing mechanisms (11) is two, the two fixing mechanisms (11) are symmetrically arranged, and the moving ranges of the two fixing plates (15) are 0-90 degrees;
the upper surface and the lower surface of the Bluetooth adapter (4) are both provided with two clamping grooves, and the two clamping grooves are respectively clamped and matched with the first clamping teeth (16) and the second clamping teeth (17);
the input audio plug (5) and the output audio plug (6) are matched with an input audio jack and an output audio jack of the interphone (1);
the Bluetooth adapter (4) comprises a charge-discharge module, a battery module, an indicator light module, an audio input module, a Bluetooth module, a digital-to-analog conversion module, a signal amplification module, an audio output module, a volume adjustment module and a voice control module;
the charging and discharging module is used for charging the battery module and controlling the battery module to supply power to the chip;
the battery module is used for storing and supplying power;
the indicator light module is used for indicating the electric quantity of the battery module;
the audio input module is used for receiving input audio;
the Bluetooth module is used for being in wireless connection with a Bluetooth headset;
the digital-to-analog conversion module is used for converting input audio into digital signals;
the signal amplification module is used for converting the digital signal converted by the digital-to-analog conversion module into an analog signal;
the audio output module is used for outputting the analog signal in an audio mode;
the volume adjusting module is used for adjusting the audio output volume of the audio output module;
the voice control module comprises an audio receiving module, an audio analysis module, a data storage module, an audio verification module and a data processing module;
the voice control module comprises the following specific processing steps:
s1: the audio receiving module receives the voice of a user;
s2: the audio analysis module analyzes whether the voice of the user belongs to a wake-up word;
s3: if the awakening words are not output through the Bluetooth module, the awakening words are compared with the awakening words stored in the data storage module through the audio verification module;
s4: after the comparison is successful, the data processing module controls the volume adjusting module to adjust the volume;
and the data storage module is internally stored with a wakeup word.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010960165.9A CN112073080B (en) | 2020-09-14 | 2020-09-14 | Bluetooth PTT intercom system and equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010960165.9A CN112073080B (en) | 2020-09-14 | 2020-09-14 | Bluetooth PTT intercom system and equipment thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112073080A CN112073080A (en) | 2020-12-11 |
| CN112073080B true CN112073080B (en) | 2022-10-21 |
Family
ID=73695534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010960165.9A Active CN112073080B (en) | 2020-09-14 | 2020-09-14 | Bluetooth PTT intercom system and equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112073080B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201266933Y (en) * | 2008-10-15 | 2009-07-01 | 杨宏星 | Interphone Bluetooth adapter |
| CN203233414U (en) * | 2013-04-18 | 2013-10-09 | 庄建中 | Bluetooth adaptation device of wireless interphone |
| CN103957349A (en) * | 2013-08-19 | 2014-07-30 | 索尼公司 | Imaging device |
| CN104157119A (en) * | 2014-08-06 | 2014-11-19 | 朱亚光 | Wireless remote controller and interphone integrated external member |
| CN208227011U (en) * | 2018-05-31 | 2018-12-11 | 深圳市鑫朗瑞科技有限公司 | One kind can self-powered double-purpose Bluetooth interphone |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7059779B2 (en) * | 2004-02-19 | 2006-06-13 | Albert Wooi Quan Khor | Optical fiber receptacle adaptor |
| US20200396321A1 (en) * | 2017-12-25 | 2020-12-17 | Varun Akur Venkatesan | A user adjustable adaptor for coupling a smartphone to an add-on device |
-
2020
- 2020-09-14 CN CN202010960165.9A patent/CN112073080B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201266933Y (en) * | 2008-10-15 | 2009-07-01 | 杨宏星 | Interphone Bluetooth adapter |
| CN203233414U (en) * | 2013-04-18 | 2013-10-09 | 庄建中 | Bluetooth adaptation device of wireless interphone |
| CN103957349A (en) * | 2013-08-19 | 2014-07-30 | 索尼公司 | Imaging device |
| CN104157119A (en) * | 2014-08-06 | 2014-11-19 | 朱亚光 | Wireless remote controller and interphone integrated external member |
| CN208227011U (en) * | 2018-05-31 | 2018-12-11 | 深圳市鑫朗瑞科技有限公司 | One kind can self-powered double-purpose Bluetooth interphone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112073080A (en) | 2020-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6236969B1 (en) | Wearable telecommunications apparatus with voice/speech control features | |
| GB2460200A (en) | Combination device of the blue-tooth headphone and the megaphone base | |
| CN101170325A (en) | Bluetooth wireless microphone | |
| CN112073080B (en) | Bluetooth PTT intercom system and equipment thereof | |
| CN201393218Y (en) | Vehicle-mounted cell phone hand-free Blue Tooth FM player | |
| CN105100993A (en) | Bluetooth earphone | |
| CN205945719U (en) | 32 subsidiary bluetooth data transmission intercom of channel | |
| CN111163448A (en) | Interphone system and using method thereof | |
| CN213213829U (en) | Earphone capable of adjusting volume through voice | |
| CN204069343U (en) | Bluetooth hearing aids | |
| CN203590405U (en) | Detachable Bluetooth microphone earphone | |
| CN102275548B (en) | Device for adjusting car microphone | |
| CN208891020U (en) | A kind of double bluetooth headset bracelets | |
| CN211181143U (en) | Listening training device for college English teaching | |
| CN212258950U (en) | Bluetooth interphone | |
| CN219659712U (en) | Wireless interphone with Bluetooth speech module | |
| CN215062914U (en) | Intelligent voice water heater control equipment | |
| CN204887368U (en) | Lanya earphone | |
| CN212437503U (en) | Novel intelligent safety helmet | |
| CN204291279U (en) | Realize the hand miaow that mobile phone remote intercommunication, sound control and load are charged | |
| CN220556747U (en) | Hearing aid with information card prompt and key remote control functions | |
| CN209358525U (en) | A kind of Novel portable interphone | |
| CN218127168U (en) | Integrated communication ear protection device and helmet | |
| CN210807379U (en) | Vehicle-mounted mobile phone support | |
| CN219018812U (en) | Interphone convenient for adjusting PTT backlight |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |