JPH05327612A - Cordless telephone set - Google Patents

Cordless telephone set

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Publication number
JPH05327612A
JPH05327612A JP12860292A JP12860292A JPH05327612A JP H05327612 A JPH05327612 A JP H05327612A JP 12860292 A JP12860292 A JP 12860292A JP 12860292 A JP12860292 A JP 12860292A JP H05327612 A JPH05327612 A JP H05327612A
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JP
Grant status
Application
Patent type
Prior art keywords
antenna
directional antenna
directional
circuit
unit
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.)
Pending
Application number
JP12860292A
Other languages
Japanese (ja)
Inventor
Hidetoshi Ihara
Yoshihiro Seiki
英俊 井原
嘉裕 清木
Original Assignee
Sharp Corp
シャープ株式会社
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.)
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Abstract

PURPOSE: To extend a maximum talking or connection enable range in response to the operating state while keeping transmission power to be specified power.
CONSTITUTION: A slave set or a master set is provided with an omnidirectional antenna 1 and a directional antenna 2, an antenna changeover switch 3 selecting either the antenna 1 or 2, a detection circuit section 8 detecting radio connection or out of a radio zone, and a control circuit section 9 deciding the selection of the omnidirectional antenna 1 or the directional antenna 2 based on data from the detection circuit section 8. When the master set and the slave set cannot be connected while using the omnidirectional antenna 1 is in use, the directional antenna 2 is selected and a talking range is extended and both sets are connected.
COPYRIGHT: (C)1993,JPO&Japio

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、指向性アンテナと無指向性アンテナを備えたコードレス電話機に関するものである。 The present invention relates to relates to a cordless telephone provided with a directional antenna and omni-directional antenna.

【0002】 [0002]

【従来の技術】従来のコードレス電話機においては、親機、子機ともに無指向性アンテナしか備えていないので、親機と子機間の無線通話若しくは接続が、それぞれ最大通話若しくは接続可能距離をはずれてしまうと、通話ミュート若しくは接続不可となっていた。 In conventional cordless telephone base unit, since not only with omnidirectional antennas handset both radio communication or connection between the master unit and the slave unit, out of the maximum call or connection distance, respectively and to become, it has been a call mute or non-connection.

【0003】 [0003]

【発明が解決しようとする課題】同じ性能、即ち同じ送信電力のコードレス電話機においても、より遠くへの無線通話若しくは接続可能距離の伸長が切望される。 [Problems that the Invention is to Solve same performance, i.e., even in the cordless telephone set of the same transmission power, more radio communication or connectable distance extension far is desired.

【0004】 [0004]

【課題を解決するための手段】本発明のコードレス電話機は、子機若しくは親機に並設した無指向性アンテナ及び指向性アンテナと、該無指向性アンテナと指向性アンテナとのどちらかを選択するアンテナ切換え手段と、無線接続若しくは圏外を検出する検出手段と、該検出手段からのデータにより、無指向性アンテナ若しくは指向性アンテナの選択を決定する制御する制御手段と、を備えたことを特徴とするものである。 Cordless telephone of the present invention According to an aspect of the selection and non-directional antenna and directional antennas were arranged in the slave unit or the master unit, either a directional antenna and radio directional antenna wherein the antenna switching unit, and detecting means for detecting a radio connection or out of range, the data from the detecting means, and control means for controlling determines the selection of the non-directional antenna or a directional antenna, in that it comprises a for it is an.

【0005】 [0005]

【作用】本発明によるコードレス電話機は、指向性アンテナに切換えることで、その電話機の規定の送信電力がアンテナに給電されれば、或る一方向の電界強度は強くなる。 Cordless telephone according DETAILED DESCRIPTION OF THE INVENTION The present invention, by switching the directional antenna, transmission power of the provisions of the phone if it is fed to the antenna, the electric field intensity of a certain one direction becomes stronger. 従って指向性アンテナが或る一方向を向いたときに通話距離が長くなる。 Thus the call distance when the directional antenna is oriented a certain direction becomes longer. また、子機から無指向性アンテナで親機に若しくは親機を通じて子機に無線接続できないとき、指向性アンテナに切換えて通話距離を伸ばし、 Moreover, when it can not wirelessly connected to the slave unit via the base unit to the or base unit in non-directional antenna from the slave unit, extend the call distance is switched to the directional antenna,
両機の無線接続をし得るものである。 It is capable of the two aircraft wireless connection.

【0006】 [0006]

【実施例】本発明のコードレス電話機の実施例を図面とともに説明すると、図1は本電話機の概略ブロック回路図であり、図2は本電話機における動作のフローチャートである。 EXAMPLES To explain with an example of a cordless telephone of the present invention with reference to the accompanying drawings, FIG. 1 is a schematic block circuit diagram of the telephone, FIG 2 is a flowchart of the operation of the telephone.

【0007】図1において、例えば子機に内蔵された無指向性アンテナ1と指向性アンテナ2とをアンテナ切換えスイッチ回路部3に接続し、該スイッチ回路部3を送信回路及び受信回路からなる無線回路部4の入出力端に接続し、該無線回路部4を音声回路部5の入出力端に接続し、該音声回路部5にマイクロフォン6及びスピーカ7を接続する。 [0007] In FIG. 1 is connected, for example, a non-directional antenna 1 built in handset and directional antenna 2 to the antenna changeover switch circuit 3, the switching circuit portion 3 from the transmitting circuit and the receiving circuit radio connected to input and output terminals of the circuit portion 4, the radio circuit portion 4 connected to the input and output terminals of the audio circuit portion 5, connecting the microphone 6 and speaker 7 to the voice circuit 5.

【0008】一方、上記無線回路部4に無線接続・圏外検出回路部8を接続し、該無線接続・圏外検出回路部8 On the other hand, connects the radio connection and out-of-range detection circuit section 8 to the radio circuit section 4, wireless connection and out-of-range detection circuit section 8
を接続し、該無線接続・圏外検出回路部8は制御回路部9の入力端に接続し、該制御回路部9は上記スイッチ回路部3、無線回路部4及び音声回路部5をそれぞれ制御すべく接続し、また操作・表示回路部10にも接続する。 Connect, wireless connection and out-of-range detection circuit section 8 is connected to the input terminal of the control circuit unit 9, the control circuit 9 is the switching circuit unit 3, controls each radio circuit section 4 and the audio circuit 5 in order to connect, also connected to the operation and display circuit unit 10.

【0009】叙上のような本電話機において、子機の通話開始時また親機の内線通話開始時に無線接続が不可だった場合について、図2に示すフローチャートで説明する。 [0009] In this phone, such as on ordination, the case was impossible wireless connection during a call initiation handset also at extension call start of the master unit will be described with reference to a flowchart shown in FIG.

【0010】先ず、通話開始時にスイッチ回路部3を、 [0010] First, the switch circuit portion 3 at the time of call initiation,
下記する制御回路部9からのLow(L)制御信号により、無指向性アンテナ1側へ切換えておく(F1)。 The Low (L) control signal from the control circuit 9 for the following, previously switched to omni-directional antenna 1 side (F1).
尚、スイッチ回路部3は、制御回路部9からのH制御信号を受けると指向性アンテナ2に切換わり、L制御信号を受けると無指向性アンテナ1に切換わる。 The switch circuit unit 3, switches to the directional antenna 2 and receiving the H control signal from the control circuit unit 9, switch switched to omni-directional antenna 1 and receiving the L control signals.

【0011】通常の通話での使用では無指向性アンテナ1を選択する(F2)。 [0011] In use in the normal call selecting omni-directional antenna 1 (F2).

【0012】親機若しくは子機に無線接続を、子機若しくは親機から要求して無線が接続されればそのまま通話に移る(F3,F5)。 [0012] The wireless connection to the base unit or the slave unit, requests from the slave unit or the master unit proceeds directly to call if radio connected (F3, F5).

【0013】無線接続の判定は、無線回路部4の検波出力信号が無線接続・圏外検出回路部8に入力され、該回路部8からのキャリア信号の有無を制御回路部9で判断する。 [0013] determination of the wireless connection, the detection output signal of the radio circuit 4 is input to the wireless connection, out-of-range detection circuit section 8 determines whether the carrier signal from the circuit portion 8 by the control circuit 9. 第1回目の無線接続がキャリア信号無しでNG The first round of the wireless connection is NG without a carrier signal
(不接続)であれば、もう一度無線接続を要求する。 If (not connected), to request again the wireless connection. このときリトライフラグをセットする(F4,F6)。 At this time sets the retry flag (F4, F6).

【0014】再び、上記の無線接続の判定を行ない(F [0014] Again, performs determination of the wireless connection (F
3,F5)、また無線接続がキャリア信号無しでNGであれば、リトライフラグをクリアし(F7)、現在の使用アンテナ、即ち無指向性アンテナ1を使用中かどうかを判定する(F8)。 3, F5), also if NG is without wireless connection carrier signal clears the retry flag (F7), and determines whether the current use antennas, i.e. an omnidirectional antenna 1 in use (F8). 尚、この判定は、スイッチ回路部3への制御信号が下記するH信号かL信号かで行なう。 The determination is carried out in an H-level signal or an L signal the control signal to the switch circuit unit 3 is described below.

【0015】通常の通話での使用アンテナはL制御信号で無指向性アンテナ1なので、この時に制御回路部9からのH制御信号によりスイッチ回路部3で指向性アンテナ2側に切換わる(F9)。 [0015] Using an antenna with normal call so omni-directional antenna 1 L control signals, switches the directional antenna 2 side by the switch circuit 3 by H control signal from the control circuit unit 9 when the (F9) . それから指向性アンテナ2 Then directional antenna 2
を使用して再び無線接続を要求する(F3)。 Again requesting wireless connection using the (F3).

【0016】上記指向性アンテナ2においても、フローチャートの動作F3乃至F8の手順を繰り返し、キャリア信号が無くて無線接続が行なえなかった場合は、無線接続がNGとして動作を終える(F10)。 [0016] In the directional antenna 2, repeat the steps in the flow chart of operation F3 to F8, if the wireless connection was not performed without the carrier signal, the wireless connection has finished operation as NG (F10).

【0017】次に子機が通話中に無線圏外になった場合について、図3に示すフローチャートで説明すると、子機の通話中には無指向性アンテナ1若しくは指向性アンテナ2を使用している(F11)。 [0017] Then the slave unit case became radio service area during a call, it will be described in the flowchart shown in FIG. 3, during a call the handset using the omni-directional antenna 1 or directional antenna 2 (F11).

【0018】通話中子機が移動した場合などに、無線接続・圏外検出回路部8からのキャリア信号の有無の出力により制御回路部9が無線圏外と判定した場合(F1 [0018] If, for example, when the call core machine is moved, the control circuit 9 by the output of the presence or absence of a carrier signal from the wireless connection and out-of-range detection circuit section 8 determines that the radio service area (F1
2)に、使用アンテナが無指向性アンテナであれば、制御回路部9のH制御信号でスイッチ回路部3を切換えて指向性アンテナ2を無線回路部4に接続する(F1 2), using the antenna if omnidirectional antennas, by switching the switch circuit 3 in H control signal of the control circuit unit 9 connects the directional antenna 2 to the radio circuit section 4 (F1
5)。 5).

【0019】上記指向性アンテナ2に切換えてから、再びF12乃至F13の手順を繰り返す。 [0019] After switching to the directional antenna 2, repeat steps again F12 to F13. この時また無線圏外をキャリア信号無しによって回路部8で検出すれば通話をミュートする(F14)。 The case also radio service area to mute the call by detecting the circuit portion 8 by no carrier signal (F14).

【0020】上記無指向性アンテナ1及び指向性アンテナ2の子機への取付けを図4及び図5で説明すると、図4は子機の大部分の基板を格納しプッシュ釦等を有する基板格納部11の側面図であり、図5は子機の無指向性アンテナ1及び指向性アンテナ2等を有する裏蓋12の側面図である。 The substrate storage with the the attachment to omni-directional antenna 1 and directional antenna 2 of the slave unit is described in FIGS. 4 and 5, FIG. 4 is stored push button the majority of the substrate of the handset such as is a side view of the parts 11, Fig. 5 is a side view of the back cover 12 having a non-directional antenna 1 and directional antenna 2, etc. of the slave unit.

【0021】図4に示す基板格納部11において、符号13はプリント配線し所要部品が接続された基板であり、14は該基板13に並設した例えば上記無線回路部4等をプリント配線した基板であり、15は該基板14 [0021] In the substrate storage section 11 shown in FIG. 4, reference numeral 13 is a substrate required components are connected to the printed circuit, 14 is a juxtaposed on the substrate 13, for example the wireless circuit section 4 and the like to a printed circuit board , and the 15 is the substrate 14
上の無線回路部4の入出力端を接続し、且つ無指向性(ヘリカル)アンテナ金属テープ接触部16及び指向性(平面)アンテナ金属テープ接触部17を接続してなるアンテナ切換えスイッチである。 Connect the input and output terminals of the wireless circuit section 4 above, an antenna changeover switch formed by and connecting the omnidirectional (helical) antenna metal tape contact portion 16 and the directional (planar) antenna metal tape contact portion 17. 尚、符号18,19はネジ孔であり、20は電池収納部である。 Reference numeral 18 and 19 denotes a screw hole, 20 is a battery compartment.

【0022】図5に示す裏蓋12において、ヘリカルアンテナ(無指向性アンテナ1)21を、裏蓋12の上部で貫通してヘリカルアンテナ接続金属テープ22の一端と一緒にネジ23で固定し、該金属テープ22の他端を下部で仮固定する。 [0022] In the back cover 12 shown in FIG. 5, the helical antenna (omnidirectional antenna 1) 21, and fixed with screws 23 with one end of the helical antenna connection metal tape 22 through the top of the back cover 12, temporarily fixing the other end of the metal tape 22 at the bottom. 次に矩形状の平面アンテナ(指向性アンテナ2)24を、子機のイヤピース部の背部に対向する如く、該平面アンテナ24の四隅を保持片25で保持すると共に、該平面アンテナ22の舌片部26を、平面アンテナ接続金属テープ27の一端と一緒にネジ28 Then a rectangular planar antenna (directional antenna 2) 24, as opposed to the back of the earpiece portion of the handset, while held by the holding piece 25 of the four corners of the plane antenna 24, the tongue of the plane antenna 22 the parts 26, screw 28 with one end of the planar antenna connection metal tape 27
で固定し、該金属テープ25の他端を下部で仮固定する。 In fixed, temporarily fixed and the other end of the metal tape 25 at the bottom. 尚、符号29,30はネジ孔であり、31は上記電池収納部20と一体となる電池収納部である。 Reference numeral 29 is a screw hole, 31 is a battery housing section to be integrated with the battery housing portion 20.

【0023】上記構成の基板格納部11に、ヘリカルアンテナ21及び平面アンテナ24を配設した裏蓋12を嵌合し、該裏蓋12の外面よりネジにてネジ孔29,1 [0023] substrate storage unit 11 of the above construction, fitted back cover 12 which is disposed a helical antenna 21 and the planar antenna 24, the screw in the screw the outer surface of the backing cover 12 holes 29,1
8及び30,19を介してネジ止めして、ヘリカルアンテナ21及び平面アンテナ24のそれぞれをアンテナ切換えスイッチ15に接続して子機を構成する。 Screwed through 8 and 30,19, constituting the handset by connecting each of the helical antenna 21 and the planar antenna 24 to the antenna changeover switch 15.

【0024】従って、上記ヘリカルアンテナ21の電波の伝搬は従来と同様の無指向性であるが、平面アンテナ24の電波の伝搬は平面アンテナ24を例えばイヤピース部の背部に対向する如く設けているため、子機のプッシュ釦の基板に略々直角な方向に指向性を有し放射されるものである。 [0024] Thus, although radio wave propagation of the helical antenna 21 is identical with those of the non-directional, the propagation of radio waves of the plane antennas 24 are provided as opposed to the planar antenna 24, for example, in the back of the earpiece portion are those having a directional radiation to the substrate of the push button handset to substantially perpendicular. 故に、子機で平面アンテナ(指向性アンテナ2)24を使用しての通話時には、親機の設置場所の方向に平面アンテナ24を向けて通話する必要がある。 Thus, at the time of call by using a planar antenna (directional antenna 2) 24 in the slave unit, it is necessary to call toward the planar antenna 24 in the direction of the installation location of the base unit.

【0025】 [0025]

【発明の効果】本発明のコードレス電話機によれば、指向性アンテナを電話機に無指向性アンテナと並設し、無指向性アンテナを指向性アンテナに切換えるようにすれば、送信電力を規定のままで使用状況に応じて最大通話若しくは接続可能距離を伸ばすことができる。 According to the cordless telephone of the present invention, juxtaposed a non-directional antenna a directional antenna to the phone, if the omnidirectional antenna to switch the directional antenna, while the prescribed transmission power in can be extended up call or connection distance in response to a condition.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明のコードレス電話機の概略ブロック回路図である。 1 is a schematic block circuit diagram of a cordless telephone of the present invention.

【図2】本発明のコードレス電話機における子機の通話開始時また親機の内線通話開始時に無線接続が不可だった場合のフローチャートである。 It is a flowchart when the wireless connection was impossible in Figure 2 handset call start time The time extension call start of the main unit of the cordless telephone of the present invention.

【図3】本発明のコードレス電話機における子機が通話中に無線圏外になった場合のフローチャートである。 [Figure 3] slave unit in a cordless telephone of the present invention is a flow chart of when it becomes a radio service area during a call.

【図4】本発明のコードレス電話機の子機の基板格納部側面図である。 4 is a substrate storage side view of the handset of the cordless telephone of the present invention.

【図5】本発明のコードレス電話機の子機の裏蓋側面図である。 5 is a back cover side view of handset of the cordless telephone of the present invention.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 無指向性アンテナ 2 指向性アンテナ 3 アンテナ切換えスイッチ回路部 4 無線回路部 5 音声回路部 8 無線接続・圏外検出回路部 9 制御回路部 10 操作・表示回路部 11 子機の基板格納部 12 子機の裏蓋 15 アンテナ切換えスイッチ 16,17 アンテナ金属接触部 21 ヘリカルアンテナ 22,27 アンテナ接続金属テープ 24 平面アンテナ 1 non-directional antenna 2 directional antenna 3 antenna switching switch circuit 4 radio circuit section 5 sound circuit unit 8 wireless connection, out-of-range detection circuit 9 a control circuit unit 10 operation and display circuit unit 11 subsidiary unit substrate storage section 12 children of machine of back cover 15 antenna changeover switch 16 and 17 the antenna metal contacts 21 helical antenna 22, 27 antenna connecting metal tape 24 planar antenna

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 子機若しくは親機に並設した無指向性アンテナ及び指向性アンテナと、該無指向性アンテナと指向性アンテナとのどちらかを選択するアンテナ切換え手段と、無線接続若しくは圏外を検出する検出手段と、該検出手段からのデータにより、無指向性アンテナ若しくは指向性アンテナの選択を決定する制御手段とを備えたことを特徴とするコードレス電話機。 And 1. A handset or non-directional antenna and directional antennas were arranged in the master unit, the antenna switching means for selecting either a directional antenna and radio directional antenna, a wireless connection or out of range cordless phones that detecting means detect, by the data from the detecting means, characterized in that a control means for determining a selection of non-directional antenna or a directional antenna.
JP12860292A 1992-05-21 1992-05-21 Cordless telephone set Pending JPH05327612A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12860292A JPH05327612A (en) 1992-05-21 1992-05-21 Cordless telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12860292A JPH05327612A (en) 1992-05-21 1992-05-21 Cordless telephone set

Publications (1)

Publication Number Publication Date
JPH05327612A true true JPH05327612A (en) 1993-12-10

Family

ID=14988835

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12860292A Pending JPH05327612A (en) 1992-05-21 1992-05-21 Cordless telephone set

Country Status (1)

Country Link
JP (1) JPH05327612A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5719583A (en) * 1995-11-13 1998-02-17 Nec Corporation Mobile communication system which performs antenna gain control
GB2327572A (en) * 1997-07-22 1999-01-27 Matsushita Communication Ind Telephone with multiple antenna comfiguration for reduced user irradiation
EP1006605A1 (en) * 1996-07-05 2000-06-07 Robert Bosch Gmbh Hand-held apparatus
US6636493B1 (en) 1998-09-28 2003-10-21 Sanyo Electric Co., Ltd. Path division multiple access radio apparatus having directivity control based on received radio strength
JP2007166208A (en) * 2005-12-13 2007-06-28 Kenwood Corp Fsk signal detection apparatus, receiver, and fsk signal detection method
US7616154B2 (en) * 2003-09-15 2009-11-10 Lg Telecom, Ltd Beam switching antenna system and method and apparatus for controlling the same
US9106286B2 (en) 2000-06-13 2015-08-11 Comcast Cable Communications, Llc Network communication using diversity
USRE45775E1 (en) 2000-06-13 2015-10-20 Comcast Cable Communications, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5719583A (en) * 1995-11-13 1998-02-17 Nec Corporation Mobile communication system which performs antenna gain control
EP1006605A1 (en) * 1996-07-05 2000-06-07 Robert Bosch Gmbh Hand-held apparatus
GB2327572A (en) * 1997-07-22 1999-01-27 Matsushita Communication Ind Telephone with multiple antenna comfiguration for reduced user irradiation
GB2327572B (en) * 1997-07-22 1999-06-02 Matsushita Communication Ind Telephone with multiple antenna configuration
US6636493B1 (en) 1998-09-28 2003-10-21 Sanyo Electric Co., Ltd. Path division multiple access radio apparatus having directivity control based on received radio strength
US9197297B2 (en) 2000-06-13 2015-11-24 Comcast Cable Communications, Llc Network communication using diversity
US9654323B2 (en) 2000-06-13 2017-05-16 Comcast Cable Communications, Llc Data routing for OFDM transmission based on observed node capacities
US9106286B2 (en) 2000-06-13 2015-08-11 Comcast Cable Communications, Llc Network communication using diversity
USRE45775E1 (en) 2000-06-13 2015-10-20 Comcast Cable Communications, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
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