WO2006100911A1 - Appareil portable avec transmetteur fm integre - Google Patents

Appareil portable avec transmetteur fm integre Download PDF

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Publication number
WO2006100911A1
WO2006100911A1 PCT/JP2006/304463 JP2006304463W WO2006100911A1 WO 2006100911 A1 WO2006100911 A1 WO 2006100911A1 JP 2006304463 W JP2006304463 W JP 2006304463W WO 2006100911 A1 WO2006100911 A1 WO 2006100911A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
built
transmitter
antenna
external
Prior art date
Application number
PCT/JP2006/304463
Other languages
English (en)
Japanese (ja)
Inventor
Hiroshi Miyagi
Takeshi Ikeda
Akira Okamoto
Original Assignee
Niigata Seimitsu Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Niigata Seimitsu Co., Ltd. filed Critical Niigata Seimitsu Co., Ltd.
Priority to GB0716779A priority Critical patent/GB2438135A/en
Priority to JP2007509184A priority patent/JPWO2006100911A1/ja
Publication of WO2006100911A1 publication Critical patent/WO2006100911A1/fr

Links

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
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/034—Portable transmitters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/088—Quick-releasable antenna elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • 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
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/034—Portable transmitters
    • H04B1/0346—Hand-held transmitters
    • 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
    • H04B1/3805—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 with built-in auxiliary receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
    • H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
    • H04H20/47—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems
    • H04H20/48—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems for FM stereophonic broadcast systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/61—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • 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
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • 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
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/78—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by source locations or destination locations
    • H04H60/80—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by source locations or destination locations characterised by transmission among terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H04M1/6075—Portable telephones adapted for handsfree use adapted for handsfree use in a vehicle
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files

Definitions

  • the present invention relates to a portable device having an FM transmitter including an FM transmitter that transmits an FM-modulated signal.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 2001-197168 (Page 3-6, Fig. 1-5)
  • Patent Document 2 Japanese Patent Laid-Open No. 10-207972 (Pages 4-7, Fig. 1-9)
  • Patent Document 2 when a rod-shaped antenna is always externally attached, there is a risk of damage during storage or transportation. Although it may be possible to incorporate such a rod-shaped antenna, it is difficult to reduce the overall size of the device, and it is necessary to secure a space for housing the antenna in the housing, so that the degree of freedom of antenna installation is increased. There is a problem that the transmission efficiency decreases because the number of antennas decreases and a small antenna is used.
  • the present invention was created in view of these points, and an object of the present invention is to improve the transmission efficiency with a high degree of freedom of antenna installation and a low risk of damage.
  • the purpose is to provide a portable device with a built-in transmitter. Means for solving the problem
  • a portable device incorporating an FM transmitter includes an audio signal generation circuit that generates an audio signal to be transmitted, and an FM receiver by FM-modulating the audio signal.
  • a modulation circuit that generates a carrier wave signal that can be received by the mobile phone, an external transmission antenna that is exposed outside the housing and is detachable, and a transmission circuit that transmits the carrier wave signal through the external transmission antenna! / Speak.
  • a loading coil is inserted in a part of the above-described external transmission antenna.
  • the antenna length can be adjusted in accordance with the frequency of the transmitted carrier wave signal.
  • an output circuit that outputs the audio signal generated by the audio signal generation circuit described above, and to use a pluggable earphone cord connected to the output circuit as an external transmission antenna.
  • the earphone for listening to the audio sound can be used as an external transmission antenna, the number of parts can be reduced by eliminating the external transmission antenna as a separate part.
  • the number of parts associated with this reduction can be reduced and the structure can be simplified.
  • a power supply circuit that receives power supply from a rechargeable secondary battery and supplies an operating voltage to each component is further provided, and the secondary battery is supplied from a commercial power supply cable via a power cable. It is charged when a charger that lowers and rectifies the AC voltage generated is connected, uses the power cable as an external transmission antenna, and electrically connects the transmission circuit and power cable via the internal wiring of the charger. It is desirable to connect. This makes it possible to use the power cable drawn from the charger as an external transmission antenna when the portable device is set in the charger to charge the built-in secondary battery. In addition, an external transmission antenna as a separate component is not necessary, and the number of components can be reduced and the structure of the portable device can be simplified.
  • the power cable described above has one end connected to the charger and the other end provided with an insertion plug corresponding to a household outlet. It is desirable to insert a choke coil in a position close to the other end provided. As a result, it is possible to remove power supply noise that enters from a household outlet when the power cord is used as an external transmission antenna.
  • the power supply circuit further supplies a rechargeable secondary battery power supply to supply an operating voltage to each component, and steps down an AC voltage supplied from a commercial power supply via a power cable.
  • the secondary battery is charged by supplying a rectified charging current.
  • the external transmission antenna is electrically connected to the charger antenna terminal provided on the charger casing, and is connected via the internal wiring of the charger. Therefore, it is desirable to electrically connect the transmission circuit and the external transmission antenna. This makes it possible to use the external transmission antenna attached to the charger when the portable device is set in the charger to charge the built-in secondary battery. Therefore, the portable device itself does not need an external antenna terminal, and thus the structure can be simplified.
  • the external transmission antenna and the transmission circuit described above are separated from each other in a direct current manner.
  • the DC separation described above is performed by capacitive coupling via a capacitor.
  • the DC separation described above is performed by electromagnetic coupling using a transformer. This makes it possible to protect the transmission circuit when the external transmission antenna comes into contact with a fixed potential or a ground potential.
  • the audio signal generation circuit described above is preferably recorded as a compressed format !, and is preferably an audio reproduction device that decompresses audio data and reproduces an audio signal. This makes it possible to transmit the audio signal reproduced by a small compressed audio playback device with excellent portability, such as an MP3 (MPEG Audio Layer-3) player, as an FM signal. Audio sound can be output from speakers such as home FM receivers.
  • MP3 MPEG Audio Layer-3
  • FIG. 1 is a diagram showing a configuration of a portable music playback device of a first embodiment.
  • FIG. 2 is a perspective view showing an appearance of a portable music player.
  • FIG. 3 is a diagram showing a modification of the present embodiment.
  • FIG. 4 is a diagram showing another modification of the present embodiment.
  • FIG. 5 is a diagram showing another modification of the present embodiment.
  • FIG. 6 is a diagram showing a configuration of a portable music playback device of a second embodiment.
  • FIG. 7 is a diagram showing a configuration of a portable music playback device of a third embodiment.
  • FIG. 8 is an external perspective view of charger 300.
  • FIG. 9 is a diagram showing a configuration of a portable music playback device of a fourth embodiment.
  • FIG. 1 is a diagram showing the configuration of the portable music playback device of the first embodiment.
  • a portable music playback device 100 of the present embodiment shown in FIG. 1 includes an audio playback device 10, an output circuit 12, an FM transmitter 20, an operation unit 30, a display unit 32, a control unit 34, a power supply circuit 36, and a secondary battery 38. It consists of Among these configurations, most configurations except the operation unit 30, the display unit 32, and the secondary battery 38 are formed on a semiconductor substrate as a one-chip component using a CMOS process or a MOS process (however, these components are not included). Cannot be formed by the process Except for the drive mechanism). By using these processes, it is possible to reduce the size and power consumption of the one-chip component formed on the semiconductor substrate and the portable music player 100 as a whole.
  • the audio playback device 10 is an audio signal generation circuit that expands audio data recorded in a compressed format and plays back and outputs an audio signal.
  • the audio playback device 10 is used in an MP3 player, an MD (mini disc) player, It corresponds.
  • the audio playback device 10 in the present embodiment needs at least a function for generating an audio signal to be transmitted, such as a CD (compact disc) player or a mobile phone that plays back an uncompressed audio data force audio signal.
  • the audio reproduction device 10 may be configured by the audio reproduction circuit.
  • the audio playback device 10 outputs L and R signals, which are separate left and right audio signals.
  • the output circuit 12 outputs a signal obtained by amplifying the audio signal output from the audio playback device 10 and adjusting the sound quality to an earphone (not shown) via the earphone terminal 106.
  • the FM transmitter 20 transmits a signal after performing FM modulation on the L signal and the R signal output from the audio playback device 10 from the external transmission antenna 102 via the external antenna terminal 104.
  • the FM transmitter 20 includes a stereo modulation circuit 22, an FM modulation circuit 24, and a transmission circuit 26.
  • the stereo modulation circuit 22 performs a stereo modulation process that combines the input L signal and R signal to generate a stereo composite signal (stereo composite signal).
  • the FM modulation circuit 24 performs FM modulation processing on the stereo composite signal, and generates a carrier wave signal that can be received by an external FM receiver (not shown) installed in the vicinity of the portable music playback device 100.
  • the transmission circuit 26 amplifies the carrier wave signal generated by the FM modulation circuit 24 and transmits it from the external transmission antenna 102.
  • the operation unit 30 includes various keys and operation knobs for accepting operations by the user. For example, a “play” key and a “stop” key are provided to give various instructions to the playback operation of the audio signal by the audio playback device 10, and a volume is used to indicate the degree of amplification of the output circuit 12. It has “UP” key and “DOWN” key for setting.
  • the display unit 32 displays the content of the operation performed by the operation unit 30 and the content reproduced by the audio playback device 10 (for example, the name of the music being played (song name) and Such as the name of the artist and elapsed playback time).
  • the control unit 34 controls the entire portable music player 100. For example, the playback state by the audio playback device 10 is set, or the volume is set by using the output circuit 12.
  • the power supply circuit 36 is applied with a terminal voltage of the secondary battery 38 and generates an operating voltage to be supplied to each part of the portable music playback device 100.
  • an excessive voltage applied between the power circuit 36 and the secondary battery 38, or between the secondary battery 38 and the charging terminals 112A and 114A exposed to the outside, such as an external force Although a protection circuit for protecting the secondary battery 38 and the power supply circuit 36 from noise and the like is provided, this protection circuit is omitted in FIG.
  • FIG. 2 is a perspective view showing the external appearance of the portable music playback device 100.
  • the housing 200 of the portable music playback device 100 is provided with an external antenna terminal 104 exposed to the outside, and the external transmission antenna 102 can be detachably attached to the external antenna terminal 104. Be attached.
  • the external transmission antenna 102 has, for example, a rod shape, and can be attached to the housing 200 by fitting one end of the external transmission antenna 102 into the external antenna terminal 104.
  • the external transmission antenna 102 may be attached to the external antenna terminal 104 by forming a male screw groove at one end of the external transmission antenna 102 and a female screw groove at the external antenna terminal 104.
  • the shape of the external transmission antenna 102 may be a string shape that does not necessarily need to be a rod shape, or may have a bent shape such as an L shape.
  • the portable music playback device 100 uses the removable external transmission antenna 102, the antenna may be attached only when necessary (only during transmission). Therefore, even if the antenna installation flexibility is high, it is possible to prevent the external transmission antenna 102 from being damaged during transportation or storage. In addition, since it is possible to use an external transmission antenna that is longer than the built-in case, transmission efficiency can be increased.
  • FIG. 3 is a view showing a modification of the present embodiment.
  • the loading coil 40 is inserted between the transmission circuit 26 and the external transmission antenna 102.
  • the effective length of the external transmission antenna 102 can be increased.
  • the force of inserting the ing coil 40 between the transmitting circuit 26 and the external antenna terminal 104 The loading coil 40 may be inserted into a part of the external transmitting antenna 102 externally attached to the external antenna terminal 104. Further, in order to effectively use the space, the loading coil 40 may be formed by winding a copper wire around the outer antenna terminal 104.
  • FIG. 4 and FIG. 5 are diagrams showing another modification of the present embodiment.
  • the transmission circuit 26 and the external transmission antenna 102 are separated from each other in a direct current manner.
  • the transmission circuit 26 and the external transmission antenna 102 are connected via a capacitance ( Capacitive coupling).
  • the transmission circuit 26 and the external transmission antenna 102 are electromagnetically coupled. ing. This makes it possible to protect the transmission circuit 26 when the external transmission antenna 102 comes into contact with a fixed potential or a ground potential.
  • FIG. 6 is a diagram showing the configuration of the portable music playback device of the second embodiment.
  • the portable music playback device 100A of the present embodiment shown in FIG. 6 has substantially the same configuration as the portable music playback device 100 shown in FIG. 1, and externally transmits a pluggable earphone cord connected to the output circuit 12. The difference is that it is used as an antenna.
  • the output terminal of the transmission circuit 26 in the FM transmitter 20 is connected to the wiring between the output circuit 12 and the earphone terminal 106 via the capacitor 46 for DC separation. Further, between the output circuit 12 and the earphone terminal 106, a choke coil 48 is inserted on the output circuit 12 side, and a loading coil 108 is inserted on the earphone terminal 106 side, respectively.
  • the signal output from the transmission circuit 26 is input to the connection point of the choke coil 48 and the loading coil 108 via the capacitor 46, and the earphone cord 110A of the earphone 110 is externally transmitted via the loading coil 108 and the earphone terminal 106. Sent as an antenna.
  • the earphone cord 110A of the earphone 110 that listens to the audio sound can be used as an external transmission antenna, the external transmission antenna 102 as a separate component is not provided. In this way, the number of parts can be reduced. In addition, since it is not necessary to provide the external antenna terminal 104 dedicated to the external transmitting antenna, the number of parts associated with this can be reduced and the structure can be simplified.
  • FIG. 7 is a diagram showing the configuration of the portable music playback device of the third embodiment, showing the overall configuration of the portable music playback device system including the charger! /
  • the portable music playback device 100B of the present embodiment shown in FIG. 7 has substantially the same configuration as the portable music playback device 100 shown in FIG. 1, and the external antenna terminal 104 is provided in the vicinity of the charging terminals 112A and 114A.
  • the external antenna terminal 116A is replaced.
  • a charger 300 used for charging the built-in secondary battery 38 is externally attached to the portable music playback device 100B of the present embodiment.
  • the charger 300 includes a step-down circuit 310 that steps down an AC voltage that is also supplied with commercial power via a power supply line 330, and a rectifier circuit 312 that rectifies the stepped-down AC voltage to generate a DC charging current.
  • the step-down circuit 310 is constituted by a transformer
  • the rectifier circuit 312 is constituted by a bridge circuit using a rectifier element such as a diode.
  • the positive and negative output terminals of the rectifier circuit 312 are connected to the charging terminals 112B and 114B exposed to the outside.
  • These charging terminals 112B and 114B are provided at positions that are electrically connected to the charging terminals 112A and 114A on the portable music playback device 100B side when the portable music playback device 100B is set at a predetermined position of the charger 300. Yes. Thereby, the charging current generated by the charger 300 is supplied to the secondary battery 38 via the charging terminals 112A and 112B and the charging terminals 114A and 114B.
  • FIG. 8 is an external perspective view of the charger 300, and shows a state where the casing 200B of the portable music playback device 100B is set.
  • the charger 300 according to the present embodiment includes an external antenna terminal 116B provided in the vicinity of the charging terminals 112B and 114B, and a part of the casing of the charger 300. And an external antenna terminal 118 provided at a position exposed to the outside, and a loading coil 314 inserted between these external antenna terminals 116B and 118.
  • the external antenna terminal 116B is provided at a position that is electrically connected to the external antenna terminal 116A on the portable music playback device 100B side when the portable music playback device 100B is set at a predetermined position of the charger 300.
  • the external antenna terminal 118 has the same function as the external antenna terminal 104 shown in FIGS. 1 and 2, and the external transmission antenna 102 is detachably attached.
  • the external antenna terminal 118 to which the external transmission antenna 102 is attached is provided on the casing 400 of the charger 300. Therefore, it is not always necessary to use the removable external transmission antenna 102.
  • the transmitting antenna 102 may be attached to the external antenna terminal 118 in a non-removable state. Since the loading coil 314 is for adjusting the antenna length, it may be omitted.
  • the external transmission antenna 102 attached to the charger 300 can be used. It becomes possible. Accordingly, the portable music player 100B itself does not require an external antenna terminal, and thus the structure can be simplified.
  • FIG. 9 is a diagram showing the configuration of the portable music playback device of the fourth embodiment, showing the overall configuration of the portable music playback device system including the charger.
  • a portable music player 100B of the present embodiment shown in FIG. 9 is the same as that shown in FIG. 7, and includes an external antenna terminal 116A.
  • the charger 300A removes the external antenna terminal 118 and the loading coil 314 connected thereto from the charger 300 shown in FIG. 7, and instead connects to the external antenna terminal 116B.
  • the difference is that a DC separating capacitor 320, a loading coil 322 inserted into the power cable 330, and two choke coils 334 and 336 are added.
  • the two choke coils 334 and 336 are for removing power noise entering from the household outlet, and are closer to the end of the plug 332 side than the end of the step-down circuit 310 side of the power cable 330 Inserted in position.
  • loading The coil 322 is for adjusting the antenna length and may be omitted.
  • a power source drawn from the charger 300A is used.
  • the cable 330 can be used as an external transmitting antenna.
  • an external transmission antenna as a separate part is not required, and the number of parts can be reduced and the structure of the portable music playback device 100B can be simplified.
  • the present invention is not limited to the above embodiment, and various modifications can be made within the scope of the gist of the present invention.
  • the force described only focusing on the detachable external transmission antenna In addition to the detachable external transmission antenna, the internal transmission antenna may be built in the portable music playback device 100 or the like. Good

Abstract

La présente invention décrit un appareil portable avec un transmetteur FM intégré, dans lequel une antenne possède un grand degré de liberté au niveau de l'installation, est moins susceptible de casser et présente une efficacité de transmission améliorée. Un appareil de lecture musicale portable (100) comprend un dispositif de lecture audio (10) pour générer un signal audio à transmettre, un circuit de modulation stéréo (22) et un circuit de modulation FM (24) pour moduler en FM le signal audio afin de générer un signal d'onde porteuse pouvant être reçu par un récepteur FM, une antenne de transmission externe (102) exposée de manière amovible sur l'extérieur d'un boîtier et un circuit de transmission (26) pour transmettre le signal d'onde porteuse par l'antenne de transmission externe (102).
PCT/JP2006/304463 2005-03-18 2006-03-08 Appareil portable avec transmetteur fm integre WO2006100911A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0716779A GB2438135A (en) 2005-03-18 2006-03-08 Portable apparatus with built-in FM transmitter
JP2007509184A JPWO2006100911A1 (ja) 2005-03-18 2006-03-08 Ｆｍトランスミッタ内蔵の携帯機器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005078327 2005-03-18
JP2005-078327 2005-03-18

Publications (1)

Publication Number Publication Date
WO2006100911A1 true WO2006100911A1 (fr) 2006-09-28

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Application Number Title Priority Date Filing Date
PCT/JP2006/304463 WO2006100911A1 (fr) 2005-03-18 2006-03-08 Appareil portable avec transmetteur fm integre

Country Status (5)

Country Link
JP (1) JPWO2006100911A1 (fr)
CN (1) CN101142749A (fr)
GB (1) GB2438135A (fr)
TW (1) TW200637177A (fr)
WO (1) WO2006100911A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107302375B (zh) * 2017-06-21 2019-02-19 苏州华启智能科技有限公司 一种音频fm调制电路

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119308U (fr) * 1980-02-14 1981-09-11
JPS62198789U (fr) * 1986-06-09 1987-12-17
JP3029119U (ja) * 1996-03-19 1996-09-27 株式会社スギ電子 無線カード
JP2001197168A (ja) * 2000-01-13 2001-07-19 Yamaha Corp 携帯電話機および携帯電話システム
JP2003338769A (ja) * 2002-05-22 2003-11-28 Nec Access Technica Ltd 携帯無線端末装置
JP2004072445A (ja) * 2002-08-07 2004-03-04 Nippon Hoso Kyokai <Nhk> 中波放送用アンテナ給電回路
JP3102771U (ja) * 2004-01-13 2004-07-15 明祥 葉 再生機能を具有するサウンドシグナルプレーヤ

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119308U (fr) * 1980-02-14 1981-09-11
JPS62198789U (fr) * 1986-06-09 1987-12-17
JP3029119U (ja) * 1996-03-19 1996-09-27 株式会社スギ電子 無線カード
JP2001197168A (ja) * 2000-01-13 2001-07-19 Yamaha Corp 携帯電話機および携帯電話システム
JP2003338769A (ja) * 2002-05-22 2003-11-28 Nec Access Technica Ltd 携帯無線端末装置
JP2004072445A (ja) * 2002-08-07 2004-03-04 Nippon Hoso Kyokai <Nhk> 中波放送用アンテナ給電回路
JP3102771U (ja) * 2004-01-13 2004-07-15 明祥 葉 再生機能を具有するサウンドシグナルプレーヤ

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Publication number Publication date
TW200637177A (en) 2006-10-16
GB0716779D0 (en) 2007-10-10
GB2438135A (en) 2007-11-14
JPWO2006100911A1 (ja) 2008-09-04
CN101142749A (zh) 2008-03-12

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