JPH08144597A - Lock device for automobile - Google Patents
Lock device for automobileInfo
- Publication number
- JPH08144597A JPH08144597A JP28794594A JP28794594A JPH08144597A JP H08144597 A JPH08144597 A JP H08144597A JP 28794594 A JP28794594 A JP 28794594A JP 28794594 A JP28794594 A JP 28794594A JP H08144597 A JPH08144597 A JP H08144597A
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- antenna
- automobile
- unit
- receiver
- 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.)
- Withdrawn
Links
Landscapes
- Lock And Its Accessories (AREA)
- Details Of Aerials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は自動車のドアの鍵を遠隔
制御する自動車用ロック装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile lock device for remotely controlling an automobile door key.
【０００２】[0002]
【従来の技術】近年、ロック制御信号を送信する携帯可
能な携帯ユニットと、該ロック制御信号を受信し自動車
のドアの鍵を制御する車両側ユニットからなり、自動車
のドアの鍵の開閉を携帯ユニットで遠隔制御できる自動
車用ロック装置が使用されるようになっている。この自
動車用ロック装置を搭載する場合、各構成の設置場所や
各種配線コード等の引回し等が問題となる。そして、車
両側ユニットに於けるマイクロコンピュータ等の主要部
は通常１つの筐体に収納され、配置場所があまり特定さ
れないため比較的設置は容易であるが、ロック制御信号
を受信するためのアンテナは受信感度、指向性の関係
上、車両の外に面した部分に取り付ける必要がある等、
設置場所の制限が厳しく取り付けが困難となることが多
く、又、配線コードの引回し等、その作業等が困難であ
った。2. Description of the Related Art In recent years, a portable portable unit for transmitting a lock control signal and a vehicle side unit for receiving the lock control signal and controlling a door key of an automobile have been used to carry the opening and closing of the door door of the automobile. Automotive locking devices have become available that can be remotely controlled by the unit. When this automobile locking device is installed, there are problems such as the installation location of each component and the routing of various wiring cords. The main part of the vehicle-side unit, such as a microcomputer, is usually housed in a single housing, and the installation location is not so specified, so installation is relatively easy, but the antenna for receiving the lock control signal is Due to the reception sensitivity and directivity, it is necessary to attach it to the part facing the outside of the vehicle, etc.
In many cases, the installation place is severely restricted, and it is difficult to install the device. Moreover, it is difficult to carry out the work such as wiring of the wiring cord.
【０００３】[0003]
【発明が解決しようとする課題】本発明はこれらの課題
を解決するもので、その設置が容易に行え、又、コスト
ダウンも可能な自動車用ロック装置を提供することを目
的とする。SUMMARY OF THE INVENTION An object of the present invention is to solve these problems, and an object thereof is to provide a lock device for an automobile, which can be easily installed and can reduce the cost.
【０００４】[0004]
【課題を解決するための手段】本発明は、上述の目的を
達成するもので、ロック制御信号を送信する携帯可能な
携帯ユニットと、該ロック制御信号を受信し自動車のド
アの鍵を制御する車両に設置された車両側ユニットから
なる受信機からなり、自動車のドアの鍵の開閉を、前記
携帯ユニットで遠隔制御する自動車用ロック装置におい
て、車載用機器への電源供給の有無を切換えるアクセサ
リスイッチのオンオフ状態を検知する検知手段と、前記
車両ユニットと、自動車に搭載された受信機と、該受信
機のアンテナとの間に設けられ、前記アクセサリスイッ
チがオフの時には前記車両ユニットを前記アンテナに接
続する切換手段とを有することを特徴とする。又、第２
の発明においては、ロック制御信号を送信する携帯可能
な携帯ユニットと、該ロック制御信号を受信し自動車の
ドアの鍵を制御する車両に設置された車両側ユニットか
らなる受信機からなり、自動車のドアの鍵の開閉を、前
記携帯ユニットで遠隔制御する自動車用ロック装置にお
いて、前記車両の搭乗者を検出する検出手段と、前記車
両側ユニットと、自動車に搭載された受信機と、該受信
機のアンテナとの間に設けられ、前記検出手段が搭乗者
を検出しなかった時には前記車両側ユニットを前記アン
テナに接続する切換手段とを有することを特徴とするも
のである。SUMMARY OF THE INVENTION The present invention achieves the above-mentioned object. It is a portable portable unit for transmitting a lock control signal, and receives the lock control signal to control a door key of an automobile. An accessory switch for switching the presence / absence of power supply to an in-vehicle device in a vehicle lock device that comprises a receiver composed of a vehicle-side unit installed in a vehicle and remotely controls opening / closing of a door of an automobile by the portable unit. Is provided between the detection means for detecting the on / off state of the vehicle, the vehicle unit, the receiver mounted on the automobile, and the antenna of the receiver, and when the accessory switch is off, the vehicle unit is used as the antenna. It has a switching means to connect. Also, the second
According to another aspect of the present invention, there is provided a portable portable unit for transmitting a lock control signal, and a receiver including a vehicle side unit installed in a vehicle for receiving the lock control signal and controlling a door key of the automobile. In a vehicle lock device for remotely controlling the opening and closing of a door key by the portable unit, a detection means for detecting an occupant of the vehicle, the vehicle side unit, a receiver mounted on the vehicle, and the receiver. And a switching means for connecting the vehicle unit to the antenna when the detecting means does not detect a passenger.
【０００５】[0005]
【作用】以上のような手段により本発明によれば、車載
用機器への電源供給の有無を切換えるアクセサリスイッ
チのオンオフ状態を検知し、前記アクセサリスイッチが
オフの時には前記車両ユニットを前記アンテナに接続
し、該アンテナを自動車用ロック装置のアンテナとして
利用する。According to the present invention by the above means, the on / off state of the accessory switch for switching the presence / absence of power supply to the vehicle-mounted device is detected, and when the accessory switch is off, the vehicle unit is connected to the antenna. Then, the antenna is used as an antenna of a vehicle lock device.
【０００６】又、第２の発明においては、車両の搭乗者
を検出する検出手段によって、搭乗者を検出しなかった
時には前記車両側ユニットを前記アンテナに接続し、該
アンテナを自動車用ロック装置のアンテナとして利用す
る。According to the second aspect of the invention, the vehicle side unit is connected to the antenna when the occupant of the vehicle is not detected by the detecting means for detecting the occupant of the vehicle. Use as an antenna.
【０００７】[0007]
【実施例】以下本発明の実施例について図を参照して説
明する。図１は本発明の第１の実施例の構成図である。
１は自動車用ロック装置の携帯ユニットで、内部に送信
機を有し、送信スイッチ２の操作により、ロック制御信
号（電波）を送信する。３は受信アンテナで、携帯ユニ
ット１からのロック制御信号及びラジオ放送の電波を受
信する。４はラジオ受信機でラジオ放送波を同調、復
調、増幅してラジオ放送を音声出力する。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of the first embodiment of the present invention.
Reference numeral 1 denotes a portable unit of an automobile lock device, which has a transmitter inside and transmits a lock control signal (electric wave) by operating a transmission switch 2. A receiving antenna 3 receives the lock control signal and the radio wave of the radio broadcast from the portable unit 1. A radio receiver 4 tunes, demodulates, and amplifies a radio broadcast wave and outputs the radio broadcast as audio.
【０００８】５は自動車のドアの鍵の開閉を制御する自
動車用ロック装置の車両側ユニットで、受信アンテナで
受信した携帯ユニット１からのロック制御信号を受信、
復調する受信回路と、該受信回路で復調したロック制御
信号に応じて、ドアのロック機構を駆動制御するマイク
ロコンピュータ等で構成される。Ｃ１及びＣ２は直流カ
ット用のコンデンサで、アンテナで受信した電波（交流
成分）を通過させる。Ｄ１及びＤ２は高周波用ダイオー
ド（ピンダイオード）で、スイッチング動作を行い、ア
ンテナ３と後段の装置との接断を制御する。つまり、ダ
イオードＤ１、Ｄ２のアノードに正の直流電圧が印加さ
れるとダイオードＤ１、Ｄ２は導通状態となり、直流電
圧が印加されないときには非導通状態となる。Reference numeral 5 denotes a vehicle-side unit of an automobile lock device for controlling opening and closing of a door key of the automobile, which receives a lock control signal from the portable unit 1 received by a receiving antenna,
It is composed of a receiving circuit for demodulation and a microcomputer or the like for driving and controlling the lock mechanism of the door according to the lock control signal demodulated by the receiving circuit. C1 and C2 are capacitors for cutting direct current, and allow radio waves (AC component) received by the antenna to pass through. D1 and D2 are high-frequency diodes (pin diodes) that perform switching operation and control the connection / disconnection between the antenna 3 and the device at the subsequent stage. That is, when a positive DC voltage is applied to the anodes of the diodes D1 and D2, the diodes D1 and D2 become conductive, and when no DC voltage is applied, they become non-conductive.
【０００９】Ｒ１、Ｒ２、Ｒ３、Ｒ４、Ｒ５、Ｒ６は抵
抗で、抵抗Ｒ４、Ｒ５はアクセサリスイッチＡｃｃＳＷ
を介してバッテリＢａより供給される電圧を分圧し、抵
抗Ｒ１は、この分圧電圧をスイッチング電圧（ダイオー
ドＤ１の導通制御電圧）としてダイオードＤ１に印加す
る。又、抵抗Ｒ２、Ｒ３はバッテリＢａより供給される
電圧をスイッチング電圧としてダイオードＤ２に印加す
る。R1, R2, R3, R4, R5 and R6 are resistors, and resistors R4 and R5 are accessory switches AccSW.
The voltage supplied from the battery Ba via the voltage divider is divided, and the resistor R1 applies the divided voltage to the diode D1 as a switching voltage (conduction control voltage of the diode D1). The resistors R2 and R3 apply the voltage supplied from the battery Ba to the diode D2 as a switching voltage.
【００１０】Ｑ１はトランジスタで、ベースが抵抗Ｒ６
を介して抵抗Ｒ１、Ｒ４、Ｒ５の接続点、コレクタが抵
抗Ｒ２、Ｒ３の接続点、エミッタがアースに接続されて
いる。アクセサリスイッチＡｃｃＳＷは、イグニッショ
ンキーの操作に連動したスイッチでイグニッションキー
がエンジンオン又はアクセサリオンの位置の時に導通状
態となる。Q1 is a transistor whose base is a resistor R6.
Through, the collector is connected to the connection point of the resistors R1, R4 and R5, the collector is connected to the connection point of the resistors R2 and R3, and the emitter is connected to the ground. The accessory switch AccSW is a switch that is interlocked with the operation of the ignition key, and is turned on when the ignition key is in the engine on or accessory on position.
【００１１】次に動作を説明する。自動車のイグニッシ
ョンキーがエンジンオン又はアクセサリオンの位置にな
ると抵抗Ｒ４、Ｒ５の接続点の電圧は、抵抗Ｒ４、Ｒ５
の分圧電圧となりトランジスタＱ１に抵抗Ｒ６を介して
電圧が印加される。従って、トランジスタＱ１は導通
し、抵抗Ｒ２、Ｒ３の接続点は接地される。このため、
ダイオードＤ１には電圧が印加され導通状態となり、ダ
イオードＤ２には電圧が印加されず遮断状態となる。Next, the operation will be described. When the ignition key of the automobile is in the position where the engine is turned on or the accessories are turned on, the voltage at the connection point between the resistors R4 and R5 becomes the resistors R4 and R5.
The divided voltage is applied to the transistor Q1 via the resistor R6. Therefore, the transistor Q1 becomes conductive and the connection point of the resistors R2 and R3 is grounded. For this reason,
A voltage is applied to the diode D1 to make it conductive, and a voltage is not applied to the diode D2 to make it cut off.
【００１２】逆にイグニッションキーがオフの位置にあ
ると、抵抗Ｒ４、Ｒ５の接続点には電圧が印加されない
ので、トランジスタＱ１は遮断状態となり、抵抗Ｒ２、
Ｒ３の接続点は高電位となる。従って、ダイオードＤ１
には電圧が印加されず遮断状態となり、ダイオードＤ２
には電圧が印加されて導通状態となる。従って、アンテ
ナ３はイグニッションキーがオフの位置に有る場合（イ
グニッションキーが差し込まれていない場合も含む）は
車両側ユニット５側に、イグニッションキーがアクセサ
リオン又はエンジンオンの位置にある場合はラジオ受信
機側に接続されることになる。On the contrary, when the ignition key is in the off position, no voltage is applied to the connection point of the resistors R4 and R5, so that the transistor Q1 is cut off and the resistor R2,
The connection point of R3 has a high potential. Therefore, the diode D1
No voltage is applied to the diode D2
A voltage is applied to the device and it becomes conductive. Therefore, the antenna 3 is on the vehicle unit 5 side when the ignition key is in the off position (including the case where the ignition key is not inserted), and when the ignition key is in the accessory on or engine on position, radio reception is performed. It will be connected to the machine side.
【００１３】この様に本実施例によれば、イグニッショ
ンキーの状態によりアンテナ３がラジオ受信機４、車両
側ユニット５に適切に接続されるので、ラジオ受信機
４、車両側ユニット５の間で悪影響を及ぼすこと無くア
ンテナを共用できる。次に本発明の第２の実施例に付い
て説明する。図２は第２の実施例の構成図である。As described above, according to this embodiment, the antenna 3 is properly connected to the radio receiver 4 and the vehicle-side unit 5 depending on the state of the ignition key, so that between the radio receiver 4 and the vehicle-side unit 5. The antenna can be shared without adversely affecting it. Next, a second embodiment of the present invention will be described. FIG. 2 is a block diagram of the second embodiment.
【００１４】１は自動車用ロック装置の携帯ユニット
で、内部に送信機を有し、送信スイッチ２の操作によ
り、ロック制御信号（電波）を送信する。３は受信アン
テナで、携帯ユニット１からのロック制御信号及びラジ
オ放送の電波を受信する。４はラジオ受信機で、受信ア
ンテナで受信したラジオ放送波を同調、復調、増幅して
ラジオ放送を音声出力する。Reference numeral 1 denotes a portable unit of an automobile lock device, which has a transmitter inside and transmits a lock control signal (radio wave) by operating a transmission switch 2. A receiving antenna 3 receives the lock control signal and the radio wave of the radio broadcast from the portable unit 1. A radio receiver 4 tunes, demodulates, and amplifies the radio broadcast wave received by the receiving antenna and outputs the radio broadcast as voice.
【００１５】５は自動車のドアの鍵の開閉を制御する自
動車用ロック装置の車両側ユニットで、携帯ユニット１
からのロック制御信号を受信、復調する受信回路と、該
受信回路で復調したロック制御信号に応じて、ドアのロ
ック機構を駆動制御するマイクロコンピュータ等で構成
される。１０は電磁リレーで、着座センサ１１がオン
（着座者有り）になるとバッテリＢａからの電流が電磁
リレー１０の電磁コイルに流れて、可動接点はａ側（ラ
ジオ受信機４側）に接続される。又、着座センサ１１が
オフ（着座者無し）で、電磁コイルに電流が流れていな
いときには可動接点は常にｂ側（車両側ユニット５側）
に接続されている。Reference numeral 5 denotes a vehicle-side unit of a vehicle lock device that controls opening and closing of a door key of the vehicle.
It is composed of a receiving circuit that receives and demodulates the lock control signal from, and a microcomputer that drives and controls the door locking mechanism according to the lock control signal demodulated by the receiving circuit. Reference numeral 10 is an electromagnetic relay, and when the seating sensor 11 is turned on (there is a seated person), a current from the battery Ba flows into the electromagnetic coil of the electromagnetic relay 10, and the movable contact is connected to the side a (radio receiver 4 side). . When the seating sensor 11 is off (no seated person) and no current is flowing through the electromagnetic coil, the movable contact is always on the b side (vehicle side unit 5 side).
It is connected to the.
【００１６】１１は着座センサで、自動車の各座席に設
けられた並列接続の複数の感圧スイッチからなり搭乗者
が座席に着座すると感圧スイッチの接点が閉じバッテリ
Ｂａからの電流が電磁リレー１０の電磁コイルに流れる
ようになる。尚、Ｂａは自動車に搭載されているバッテ
リである。次に動作を説明する。搭乗者が座席に座ると
搭乗者の体重によって各座席に設けられた着座センサ１
１がオンとなってバッテリＢａからの電流が電磁リレー
１０のコイルに流れ、電磁リレー１０の可動接点はａ側
に接続される。つまり、搭乗者が座席に座ればアンテナ
３はラジオ受信機４に接続され、搭乗者が無ければアン
テナ３は車両側ユニット５に接続されることになる。A seating sensor 11 is composed of a plurality of pressure-sensitive switches connected in parallel on each seat of the automobile, and when the passenger sits on the seat, the contact of the pressure-sensitive switch is closed and the current from the battery Ba is applied to the electromagnetic relay 10. To flow into the electromagnetic coil. Incidentally, Ba is a battery mounted on the automobile. Next, the operation will be described. When a passenger sits in a seat, a seating sensor 1 provided in each seat according to the weight of the passenger
When 1 is turned on, the current from the battery Ba flows through the coil of the electromagnetic relay 10, and the movable contact of the electromagnetic relay 10 is connected to the a side. That is, if the passenger is seated, the antenna 3 is connected to the radio receiver 4, and if there is no passenger, the antenna 3 is connected to the vehicle-side unit 5.
【００１７】この様に本実施例によれば、搭乗者の有無
により、アンテナ３がラジオ受信機４、車両側ユニット
５に適切に接続されるので、ラジオ受信機４、車両側ユ
ニット５の間で悪影響を及ぼすこと無くアンテナを共用
できる。As described above, according to this embodiment, the antenna 3 is properly connected to the radio receiver 4 and the vehicle-side unit 5 depending on the presence / absence of a passenger. The antenna can be shared without adversely affecting.
【００１８】[0018]
【発明の効果】以上説明した様に本発明によれば、状況
に応じてラジオ受信機のアンテナを自動車用ロック装置
の車両側ユニットに接続するので、ラジオ受信機の動作
に悪影響を与えることなくアンテナを共用できる。As described above, according to the present invention, the antenna of the radio receiver is connected to the vehicle side unit of the vehicle lock device according to the situation, so that the operation of the radio receiver is not adversely affected. Can share the antenna.
【図１】本発明の第１実施例の構成図FIG. 1 is a configuration diagram of a first embodiment of the present invention.
【図２】本発明の第２実施例の構成図FIG. 2 is a configuration diagram of a second embodiment of the present invention.
１・・・・・・携帯ユニット ２・・・・・・送信スイッチ ３・・・・・・アンテナ 1 ・ ・ ・ ・ Mobile unit 2 ・ ・ ・ ・ ・ ・ ・ ・ Transmission switch 3 ・ ・ ・ ・ ・ ・ ・ ・ Antenna
Claims (2)
帯ユニットと、該ロック制御信号を受信し自動車のドア
の鍵を制御する車両に設置された車両側ユニットからな
る受信機からなり、自動車のドアの鍵の開閉を、前記携
帯ユニットで遠隔制御する自動車用ロック装置におい
て、 車載用機器への電源供給の有無を切換えるアクセサリス
イッチのオンオフ状態を検知する検知手段と、 前記車両ユニットと、自動車に搭載された受信機と、該
受信機のアンテナとの間に設けられ、前記アクセサリス
イッチがオフの時には前記車両ユニットを前記アンテナ
に接続する切換手段とを有することを特徴とする自動車
用ロック装置。1. A receiver comprising a portable portable unit for transmitting a lock control signal and a vehicle side unit installed in a vehicle for receiving the lock control signal and controlling a door key of the automobile, comprising: In a vehicle lock device that remotely controls opening and closing of a door key by the portable unit, a detection unit that detects an on / off state of an accessory switch that switches whether or not power is supplied to an in-vehicle device, the vehicle unit, and an automobile A lock device for an automobile, comprising: a receiver mounted on the receiver; and a switching means provided between an antenna of the receiver and connecting the vehicle unit to the antenna when the accessory switch is off.
帯ユニットと、該ロック制御信号を受信し自動車のドア
の鍵を制御する車両に設置された車両側ユニットからな
る受信機からなり、自動車のドアの鍵の開閉を、前記携
帯ユニットで遠隔制御する自動車用ロック装置におい
て、 前記車両の搭乗者を検出する検出手段と、 前記車両側ユニットと、自動車に搭載された受信機と、
該受信機のアンテナとの間に設けられ、前記検出手段が
搭乗者を検出しなかった時には前記車両側ユニットを前
記アンテナに接続する切換手段とを有することを特徴と
する自動車用ロック装置。2. A receiver comprising a portable portable unit for transmitting a lock control signal and a vehicle side unit installed in a vehicle for receiving the lock control signal and controlling a door key of the automobile, comprising: In a vehicle lock device that remotely controls opening and closing of a door key by the portable unit, a detection unit that detects an occupant of the vehicle, the vehicle-side unit, and a receiver mounted on the vehicle,
A lock device for an automobile, comprising: a switching device which is provided between the receiver and an antenna, and which connects the vehicle unit to the antenna when the detecting device does not detect an occupant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28794594A JPH08144597A (en) | 1994-11-22 | 1994-11-22 | Lock device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28794594A JPH08144597A (en) | 1994-11-22 | 1994-11-22 | Lock device for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08144597A true JPH08144597A (en) | 1996-06-04 |
Family
ID=17723775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28794594A Withdrawn JPH08144597A (en) | 1994-11-22 | 1994-11-22 | Lock device for automobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08144597A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10260167A1 (en) * | 2002-12-20 | 2004-07-01 | Volkswagen Ag | Antenna system for motor vehicle, combines terrestrial radio reception antenna with antenna for receiving remote control signals into single common antenna |
| US6760579B1 (en) | 1998-11-27 | 2004-07-06 | Fujitsu Ten Limited | Receiving system having a plurality of frequency converters for use with a vehicle |
| KR100596544B1 (en) * | 2001-09-21 | 2006-07-06 | 후지쓰 텐 가부시키가이샤 | Vehicle door lock apparatus |
| WO2009071490A1 (en) * | 2007-12-07 | 2009-06-11 | Continental Automotive Gmbh | Method for transmitting and/or receiving signals for at least a first and a second different service, particularly in a vehicle |
| JP2013238051A (en) * | 2012-05-15 | 2013-11-28 | Tokai Riken Kk | Electronic lock system, locker using the same, and entrance door system |
| CN111262047A (en) * | 2020-02-07 | 2020-06-09 | 惠州Tcl移动通信有限公司 | Antenna circuit and mobile terminal |
-
1994
- 1994-11-22 JP JP28794594A patent/JPH08144597A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6760579B1 (en) | 1998-11-27 | 2004-07-06 | Fujitsu Ten Limited | Receiving system having a plurality of frequency converters for use with a vehicle |
| KR100596544B1 (en) * | 2001-09-21 | 2006-07-06 | 후지쓰 텐 가부시키가이샤 | Vehicle door lock apparatus |
| DE10260167A1 (en) * | 2002-12-20 | 2004-07-01 | Volkswagen Ag | Antenna system for motor vehicle, combines terrestrial radio reception antenna with antenna for receiving remote control signals into single common antenna |
| WO2009071490A1 (en) * | 2007-12-07 | 2009-06-11 | Continental Automotive Gmbh | Method for transmitting and/or receiving signals for at least a first and a second different service, particularly in a vehicle |
| US8410631B2 (en) | 2007-12-07 | 2013-04-02 | Continental Automotive Gmbh | Method for transmitting and/or receiving signals for at least a first and a second different service, particularly in a vehicle |
| JP2013238051A (en) * | 2012-05-15 | 2013-11-28 | Tokai Riken Kk | Electronic lock system, locker using the same, and entrance door system |
| CN111262047A (en) * | 2020-02-07 | 2020-06-09 | 惠州Tcl移动通信有限公司 | Antenna circuit and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20020205 |