JPH033097U - - Google Patents
Info
- Publication number
- JPH033097U JPH033097U JP6344889U JP6344889U JPH033097U JP H033097 U JPH033097 U JP H033097U JP 6344889 U JP6344889 U JP 6344889U JP 6344889 U JP6344889 U JP 6344889U JP H033097 U JPH033097 U JP H033097U
- Authority
- JP
- Japan
- Prior art keywords
- transmitters
- circuit
- digital
- transmitter
- emergency signal
- 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
Links
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Alarm Systems (AREA)
Description
図面は本考案の一実施例を示すブロツク図であ
る。
1……発信器、2……デジタルトーン発信器、
3……受信回路、4……スイツチング回路、5…
…デジタルコード発生回路、6……送信回路、7
……高周波増幅器、8……第一周波数混合器、9
……第一中間周波増幅器、10……第二周波数混
合器、11……第二中間周波増幅器、12……検
波器、13……第二局部発信回路、14……低周
波増幅器、15……直流増幅器、16……スケル
チスイツチ、17……雑音増幅器、18……スイ
ツチ、19……スイツチ、20……中央処理装置
、21……低周波スイツチ、22……水晶発信M
SK変調器、23……NRZ信号発生器、24…
…低周波増幅器、25……変調回路、26……発
信回路、27……緩衝増幅器、28……バンドパ
スフイルター、29……電力増幅器、30……空
中線。
The drawing is a block diagram showing an embodiment of the present invention. 1... Transmitter, 2... Digital tone transmitter,
3... Receiving circuit, 4... Switching circuit, 5...
...Digital code generation circuit, 6...Transmission circuit, 7
...High frequency amplifier, 8...First frequency mixer, 9
...First intermediate frequency amplifier, 10...Second frequency mixer, 11...Second intermediate frequency amplifier, 12...Detector, 13...Second local oscillation circuit, 14...Low frequency amplifier, 15... ...DC amplifier, 16...Squelch switch, 17...Noise amplifier, 18...Switch, 19...Switch, 20...Central processing unit, 21...Low frequency switch, 22...Crystal transmitter M
SK modulator, 23...NRZ signal generator, 24...
...low frequency amplifier, 25 ... modulation circuit, 26 ... transmission circuit, 27 ... buffer amplifier, 28 ... bandpass filter, 29 ... power amplifier, 30 ... antenna.
Claims (1)
や要人の自宅等に置いておく一方の発信器と、現
金収納用のケースやバツグ等に取付けたり、或い
は子供や要人等が所持しておき、前記一方の発信
器から予め設定された距離を離れて電波を識別で
きなくなるとスイツチオンになつて加入者のデジ
タルトーンの非常信号を本部局、監視局等に自動
的に発信する他方のデジタルトーン発信器とから
構成したことを特徴とする携帯用非常信号発信機
。 2 デジタルトーン発信器は、一方の発信器から
の電波を自動的に受信する受信回路と、この受信
回路一方の発信器からの識別を受信できなくなる
とON動作するスイツチング回路と、このスイツ
チング回路のON動作によつて加入者のデジタル
コードによるデジタルトーンの非常信号を発生さ
せるデジタルコード発生回路と、このデジタルコ
ード発生回路から発生された加入者のデジタルト
ーンの非常信号を本部局、監視局等に自動的に発
信する送信回路とから形成した請求項1記載の携
帯用非常信号発信機。[Scope of Utility Model Registration Request] 1. Transmitters placed in cash transport vehicles, automobiles for children and VIPs, homes of children and VIPs, etc.; Alternatively, if a child or important person, etc. carries one, and the transmitter becomes unable to identify radio waves at a preset distance from one of the transmitters, it will turn on and transmit the digital tone emergency signal of the subscriber to the headquarters station and monitoring station. 1. A portable emergency signal transmitter, characterized in that it is comprised of a digital tone transmitter that automatically transmits a signal to, etc. 2. A digital tone transmitter consists of a receiving circuit that automatically receives radio waves from one of the transmitters, a switching circuit that turns on when this receiving circuit cannot receive identification from one of the transmitters, and a switching circuit that turns on when the receiving circuit cannot receive identification from one of the transmitters. A digital code generation circuit that generates a digital tone emergency signal based on the subscriber's digital code by ON operation, and a digital code generation circuit that transmits the subscriber's digital tone emergency signal generated from this digital code generation circuit to the headquarters station, monitoring station, etc. 2. A portable emergency signal transmitter according to claim 1, further comprising a transmitting circuit for automatically transmitting a signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6344889U JPH033097U (en) | 1989-05-31 | 1989-05-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6344889U JPH033097U (en) | 1989-05-31 | 1989-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH033097U true JPH033097U (en) | 1991-01-14 |
Family
ID=31593507
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6344889U Pending JPH033097U (en) | 1989-05-31 | 1989-05-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH033097U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6226999A (en) * | 1985-07-29 | 1987-02-04 | Oki Electric Ind Co Ltd | Transponding card with sensing function |
-
1989
- 1989-05-31 JP JP6344889U patent/JPH033097U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6226999A (en) * | 1985-07-29 | 1987-02-04 | Oki Electric Ind Co Ltd | Transponding card with sensing function |
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