JPH04134932A - Fm multiplex receiver - Google Patents
Fm multiplex receiverInfo
- Publication number
- JPH04134932A JPH04134932A JP25508790A JP25508790A JPH04134932A JP H04134932 A JPH04134932 A JP H04134932A JP 25508790 A JP25508790 A JP 25508790A JP 25508790 A JP25508790 A JP 25508790A JP H04134932 A JPH04134932 A JP H04134932A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- multiplex
- traffic information
- main
- sub
- 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.)
- Granted
Links
- 230000005236 sound signal Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Circuits Of Receivers In General (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明はＦＭ多重受信機に係り、特に現在位置周辺の交
通情報を受信可能とするための改良に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an FM multiplex receiver, and particularly relates to an improvement for making it possible to receive traffic information around the current location.
［発明の概要］
送信側ではＦＭ多重信号に交通情報とこれに同期した位
置情報とを乗せて送信し、受信側ではこれを復調したも
のと、ナビゲーション装置の現在位置の検出装置を利用
し、現在位置周辺の交通情報を音声で聞き取ることがで
きる装置である。[Summary of the Invention] On the transmitting side, traffic information and position information synchronized with the FM multiplexed signal are loaded and transmitted, and on the receiving side, the received signal is demodulated and a device for detecting the current position of the navigation device is used. This is a device that allows you to listen to traffic information around your current location.
［従来の技術］
ナビゲーション装置の陰極線管（ＣＲＴ）に渋滞などの
交通情報を重ね表示する装置は、既に考案されている（
例えば、特開昭６２−９５４２３号参照）、また、ラジ
オ音声放送による交通情報装置としては、主要幹線など
を中心とした地域別の交通情報専門局による放送と、一
般のラジオ放送を利用したものとがある。[Prior Art] A device that displays traffic information such as traffic jams overlaid on the cathode ray tube (CRT) of a navigation device has already been devised (
For example, see Japanese Patent Application Laid-open No. 62-95423), and traffic information devices using radio audio broadcasts that utilize broadcasts by specialized regional traffic information stations centered on major arterial routes, and those that utilize general radio broadcasts. There is.
［発明が解決しようとする課題］
しかし前記ナビゲーション装置を利用した装置では渋滞
や通行止めなどの情報を得るには有効であるが、速度規
制や濃霧など気象環境の情報を得るには不向きである。[Problems to be Solved by the Invention] However, although devices using the navigation device are effective in obtaining information such as traffic jams and road closures, they are not suitable for obtaining information on weather conditions such as speed restrictions and dense fog.
また、情報の伝達手段としてＣＲＴを使用するため、視
線が自動車の前方から離れることとなり、走行中は非常
に危険である。Furthermore, since a CRT is used as a means of transmitting information, the driver's line of sight is directed away from the front of the vehicle, which is extremely dangerous while driving.
更に交通情報専門局による放送を利用するものにおいて
は、その性質上サービスエリアが狭い、地域別の放送で
あるため情報量に対してのコストが高いなどの欠点があ
る。Further, in the case of using broadcasts from specialized traffic information stations, there are disadvantages such as the service area is narrow due to its nature, and the cost is high relative to the amount of information because the broadcasts are regional.
そして一般のラジオ放送を利用したものにおいて、ＦＭ
多重放送を利用することで交通情報を流すときのみスイ
ッチをオンするような装置が考案されているが、サービ
スエリアが広範囲であるため、交通情報の中に自分の現
在位置周辺の交通情報で無いこともあり耳障りとなる。And in those using general radio broadcasting, FM
A device has been devised that uses multiplex broadcasting to turn on the switch only when transmitting traffic information, but because the service area is wide, the traffic information does not include traffic information around your current location. This can sometimes be jarring.
［発明の目的］
本発明の目的はＦＭ多重放送受信機にナビゲーション装
置を組み合わせ、現在位置周辺の交通情報のみを音声に
よって知らせることを可能とすることにある。[Object of the Invention] An object of the present invention is to combine an FM multiplex broadcast receiver with a navigation device, and to make it possible to notify only the traffic information around the current location by voice.
［課題を解決するための手段］
上記目的を達成するため、本発明は通常の放送音声信号
に交通情報信号を含む主多重信号と、該信号に夫々対応
した交通情報位置信号を含む副多重信号とを多重して送
信されるＦＭ多重信号を受信するＦＭ多重受信機におい
て、受信されたＦＭ多重信号を復調し、主多重復調信号
と副多重復調信号を得る多重信号復調器と、上記主多重
復調信号を選択的にゲートし、スピーカに選択された主
多重復調信号を供給せしめるゲート手段と、上記副多重
復調信号に含まれる交通情報位置信号と、ナビゲーショ
ン装置より得られる現在位置信号との差を演算する差分
演算手段と、該差分演算手段の出力に基づいて、上記ゲ
ートのオン、オフを制御する差分判定手段とを備えたこ
とを要旨とする。[Means for Solving the Problems] In order to achieve the above object, the present invention provides a main multiplex signal including a traffic information signal in a normal broadcast audio signal, and a sub-multiplex signal including a traffic information position signal corresponding to each of the signals. an FM multiplex receiver that receives an FM multiplex signal transmitted by multiplexing the main multiplex signal, and a multiplex signal demodulator that demodulates the received FM multiplex signal to obtain a main multiplex demodulated signal and a sub multiplex demodulated signal; gating means for selectively gating the demodulated signal and supplying the selected main multiplex demodulated signal to the speaker; and a difference between the traffic information position signal included in the secondary multiplex demodulated signal and the current position signal obtained from the navigation device. The gist of the present invention is to include a difference calculating means for calculating , and a difference determining means for controlling on/off of the gate based on the output of the difference calculating means.
［作用コ
上述した構成によれば、ナビゲーション装置からの現在
位置情報に応じて、現在位置周辺の交通情報を知ること
ができる。[Operations] According to the above-described configuration, traffic information around the current location can be obtained in accordance with the current location information from the navigation device.
［実施例］
以下図面に示す実施例を参照して本発明を説明する。第
１図は本発明によるＦＭ多重受信機の一実施例を示す。[Examples] The present invention will be described below with reference to examples shown in the drawings. FIG. 1 shows an embodiment of an FM multiplex receiver according to the present invention.
同図において、１はマイクロホン、２はＡ／Ｄ変換器、
３はＦＭ多重信号変調器、４はステレオ音声信号とＦＭ
多重信号の多重装置、５はＦＭ送信機、６は送信アンテ
ナ、７は受信アンテナ、８はＦＭ受信機、９はマルチプ
レクサ（ＭＰＸ）、１０はＦＭ多重信号復調器、１１は
Ｄ／Ａ変換器、１２は交通情報のゲート手段（オン・オ
フスイッチ）、１３は差動演算器、１４はナビゲーショ
ン装置、１５はスピーカ、１６はＣＲＴ、１７は差分判
定器である。In the figure, 1 is a microphone, 2 is an A/D converter,
3 is an FM multiple signal modulator, 4 is a stereo audio signal and FM
A multiplexing device for multiplexed signals, 5 is an FM transmitter, 6 is a transmitting antenna, 7 is a receiving antenna, 8 is an FM receiver, 9 is a multiplexer (MPX), 10 is an FM multiplex signal demodulator, 11 is a D/A converter , 12 is a traffic information gate means (on/off switch), 13 is a differential calculator, 14 is a navigation device, 15 is a speaker, 16 is a CRT, and 17 is a difference determiner.
送信側ａでは、マイクロホン１からの音声による交通情
報２３をＡ／Ｄ変換器２でＡ／Ｄ変換し、これと同期し
て現在放送している交通情報の位置を示す情報２４をＦ
Ｍ多重信号変調器３に出力する。交通情報と位置情報は
、ＦＭ多重信号変調器３により時分割多重、変調され、
ＦＭ多重信号２５となる。ＦＭ多重信号２５は多重装置
４によりステレオ音声信号２］と多重され、ＦＭ送信機
５で変調され、送信アンテナ６から発射される。On the transmitting side a, the audio traffic information 23 from the microphone 1 is A/D converted by the A/D converter 2, and in synchronization with this, the information 24 indicating the position of the currently broadcast traffic information is sent to the F.
The signal is output to the M multiplex signal modulator 3. Traffic information and location information are time-division multiplexed and modulated by an FM multiplex signal modulator 3.
This becomes an FM multiplex signal 25. The FM multiplex signal 25 is multiplexed with the stereo audio signal 2] by the multiplexer 4, modulated by the FM transmitter 5, and emitted from the transmitting antenna 6.
受信側すでは受信アンテナ７から入力した信号２７に対
して、ＦＭ受信機８を用いて同調、復調し、ベースバン
ド信号２８を得る。ベースバンド信号２８は、ＭＰＸ９
およびＦＭ多重信号復調器１０へ入力される。ＭＰＸ９
は入力された信号２８を、ステレオ音声信号２９に変換
する。ＦＭ多重信号復調器１０は入力されたベースバン
ド信号２８を復調し、復調されたデータ列の中から交通
情報３０と位置情報３１を抽出する。ここで位置情報３
１は、例えばナビゲーション装置１４の地図番号に対応
するものとする。On the receiving side, the signal 27 input from the receiving antenna 7 is tuned and demodulated using the FM receiver 8 to obtain a baseband signal 28. The baseband signal 28 is MPX9
and is input to the FM multiplex signal demodulator 10. MPX9
converts the input signal 28 into a stereo audio signal 29. The FM multiplex signal demodulator 10 demodulates the input baseband signal 28 and extracts traffic information 30 and position information 31 from the demodulated data string. Location information 3 here
1 corresponds to the map number of the navigation device 14, for example.
一方、ナビゲーション装置１４内では地磁気センサー等
を用いて自動車の現在位置を検出し、その結果を元にメ
モリ（例えばＣＤ−ＲＯＭ）から地図を選択し、ＣＲＴ
］６にこの地図を表示する。On the other hand, the navigation device 14 uses a geomagnetic sensor or the like to detect the current position of the vehicle, selects a map from a memory (for example, CD-ROM) based on the result, and selects a map from a memory (for example, a CD-ROM).
]6 to display this map.
Ｆ’ Ｍ多重信号復調器１０から出力された位置情報３
１とナビゲーション装置３２からの現在位置信号３２と
は差分演算器１３に与えられ、その差信号を演算する。Position information 3 output from the F'M multiplex signal demodulator 10
1 and the current position signal 32 from the navigation device 32 are provided to a difference calculator 13, which calculates the difference signal.
この差信号は差分判定器１７で所定値と比較され、その
所定値よりもかさければ、位置情報３１が現在位置信号
に接近していると判定して、スイッチ制御信号３３でス
イッチ１２をオンにする。This difference signal is compared with a predetermined value in a difference determiner 17, and if it is louder than the predetermined value, it is determined that the position information 31 is close to the current position signal, and the switch 12 is turned on using the switch control signal 33. Make it.
スイッチ１２がオンされると、Ｄ／Ａ変換器１１により
Ｄ／Ａ変換された交通情報３０がスイッチ】２を介して
スピーカ１５から出力され、現在位置周辺の交通情報を
知らせる。When the switch 12 is turned on, the traffic information 30 converted into an analog signal by the D/A converter 11 is outputted from the speaker 15 via the switch 2 to notify traffic information around the current location.
し発明の効果コ
以上説明したように本発明によれば、たえず現在位置周
辺の種々の交通情報のみを自動的にキャッチして聞くこ
とができ大変便利であると共に現在位置周辺の交通情報
と関係ないものはキャッチされないので、煩わしさがな
い。Effects of the Invention As explained above, according to the present invention, it is very convenient to be able to automatically catch and listen to only various traffic information around the current location. Anything that isn't there won't be caught, so there's no hassle.
第１図は本発明の一実施例を示すブロックであ１・・・
・・・・・・マイク、２・旧・団・Ａ／Ｄ変換器、３・
・・・・・・・ＦＭ多重信号変調器、４・・・・・・ス
テレオ音声信号とＦＭ多重信号の多重装置、５−−−−
Ｆ Ｍ送信機、６・・・・・・・・・送信アンテナ、
７・・・・・・・・・受信アンテナ、８・・・・・・・
・ＦＭ受信機、９・・・・・・・・・ＭＰＸ、１０・・
・・・・・・・ＦＭ多重信号復調器、１１・旧聞・Ｄ／
Ａ変換器、１２・・・・・・・・・交通情報の○Ｎ／○
ＦＦスイッチ、１３・・・・・・・・・差分演算器、１
４・・・・・・・・・ナビゲーション装置、１５・・・
・・・・・・スピーカ、１６・・・・・・・・・ＣＲＴ
、１７・・・・・・・・・差分判定器。
特許出願人 グラリオン株式会社代理人 弁理士
永 １）武 三 部（ａ）
送信側
第１
し・FIG. 1 is a block diagram showing an embodiment of the present invention.
・・・・・・Microphone, 2・old・group・A/D converter, 3・
...FM multiplex signal modulator, 4... Stereo audio signal and FM multiplex signal multiplexing device, 5
FM transmitter, 6......transmission antenna,
7......Receiving antenna, 8...
・FM receiver, 9...MPX, 10...
・・・・・・FM multiplex signal demodulator, 11・old news・D/
A converter, 12... Traffic information ○N/○
FF switch, 13... Difference calculator, 1
4......Navigation device, 15...
・・・・・・Speaker, 16・・・・・・・・・CRT
, 17... Difference judger. Patent Applicant Glarion Co., Ltd. Agent Patent Attorney Nagai 1) Takeshi Part 3 (a) Sending Party 1
Claims (1)
、該信号に夫々対応した交通情報位置信号を含む副多重
信号とを多重して送信されるＦＭ多重信号を受信するＦ
Ｍ多重受信機において、受信されたＦＭ多重信号を復調
し、主多重復調信号と副多重復調信号を得る多重信号復
調器と、上記主多重復調信号を選択的にゲートし、スピ
ーカに選択された主多重復調信号を供給せしめるゲート
手段と、 上記副多重復調信号に含まれる交通情報位置信号と、ナ
ビゲーション装置より得られる現在位置信号との差を演
算する差分演算手段と、 該差分演算手段の出力に基づいて、上記ゲートのオン、
オフを制御する差分判定手段とを備えたことを特徴とす
るＦＭ多重受信機。[Claims] Receiving an FM multiplex signal transmitted by multiplexing a main multiplex signal containing a traffic information signal and a sub-multiplex signal containing a traffic information position signal corresponding to each of the signals on a normal broadcast audio signal. F to do
The M multiplex receiver includes a multiplex signal demodulator that demodulates the received FM multiplex signal to obtain a main multiplex demodulated signal and a sub multiplex demodulated signal, and a multiplex demodulator that selectively gates the main multiplex demodulated signal and selects a speaker selected by the speaker. gate means for supplying the main multiple demodulated signal; difference calculation means for calculating the difference between the traffic information position signal included in the sub multiple demodulation signal and the current position signal obtained from the navigation device; and an output of the difference calculation means. On the basis of the above gate,
1. An FM multiplex receiver comprising: a difference determining means for controlling off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25508790A JP2951710B2 (en) | 1990-09-27 | 1990-09-27 | Multiplex broadcast receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25508790A JP2951710B2 (en) | 1990-09-27 | 1990-09-27 | Multiplex broadcast receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04134932A true JPH04134932A (en) | 1992-05-08 |
| JP2951710B2 JP2951710B2 (en) | 1999-09-20 |
Family
ID=17273948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25508790A Expired - Lifetime JP2951710B2 (en) | 1990-09-27 | 1990-09-27 | Multiplex broadcast receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2951710B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996004633A1 (en) * | 1994-07-29 | 1996-02-15 | Seiko Communications Holding N.V. | Dual channel advertising referencing vehicle location |
| WO1996009615A1 (en) * | 1994-09-23 | 1996-03-28 | Robert Bosch Gmbh | Process and device for finding an available parking place or covered car park |
| JP2002064391A (en) * | 2000-08-23 | 2002-02-28 | Alpine Electronics Inc | Multiplex broadcasting receiver |
-
1990
- 1990-09-27 JP JP25508790A patent/JP2951710B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996004633A1 (en) * | 1994-07-29 | 1996-02-15 | Seiko Communications Holding N.V. | Dual channel advertising referencing vehicle location |
| WO1996009615A1 (en) * | 1994-09-23 | 1996-03-28 | Robert Bosch Gmbh | Process and device for finding an available parking place or covered car park |
| JP2002064391A (en) * | 2000-08-23 | 2002-02-28 | Alpine Electronics Inc | Multiplex broadcasting receiver |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2951710B2 (en) | 1999-09-20 |
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