JPH01106364U - - Google Patents
Info
- Publication number
- JPH01106364U JPH01106364U JP215188U JP215188U JPH01106364U JP H01106364 U JPH01106364 U JP H01106364U JP 215188 U JP215188 U JP 215188U JP 215188 U JP215188 U JP 215188U JP H01106364 U JPH01106364 U JP H01106364U
- Authority
- JP
- Japan
- Prior art keywords
- radio
- relay
- terminal
- car
- railroad crossing
- 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
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Train Traffic Observation, Control, And Security (AREA)
Description
第１図は、システムの踏切装置用無線送信機ブ
ロツク図であり、第２図は、システムの自動車用
無線受信機ブロツク図である。
１……送信アンテナ、２……送信用アンテナ端
子、３……無線送信機、４……送信レベル調整用
ツマミ、５……踏切条件入力端子、６……継電器
、７……安定化電源、８……ラジオアンテナ、９
……アンテナ接続端子、９ａ……自動車ラジオ用
アンテナ端子、１０……自動車スピーカ、１１…
…自動車用スピーカ端子、１２……自動車ラジオ
端子、１３……低周波増幅器、１４……踏切音発
振器、１５……発生音周期調整用ツマミ、１６…
…継電器、１ａ，２ａ……継電器１６のａ接点、
１ｂ……継電器１６のｂ接点、１７……ゲート回
路、１８……継電器動作点調整用ツマミ、１９…
…ブリツジ整流回路、２０……増幅器、２１……
フイールタ回路、２２……無線受信機、２３……
レベル調整器、２４……安定化電源。
FIG. 1 is a block diagram of the system's radio transmitter for a railroad crossing device, and FIG. 2 is a block diagram of the system's radio receiver for a vehicle. 1... Transmission antenna, 2... Transmission antenna terminal, 3... Wireless transmitter, 4... Transmission level adjustment knob, 5... Level crossing condition input terminal, 6... Relay, 7... Stabilized power supply, 8...Radio antenna, 9
... Antenna connection terminal, 9a ... Car radio antenna terminal, 10 ... Car speaker, 11...
... Car speaker terminal, 12 ... Car radio terminal, 13 ... Low frequency amplifier, 14 ... Railroad crossing sound oscillator, 15 ... Sound cycle adjustment knob, 16 ...
...Relay, 1a, 2a...A contact of relay 16,
1b... B contact of relay 16, 17... Gate circuit, 18... Relay operating point adjustment knob, 19...
...Bridge rectifier circuit, 20...Amplifier, 21...
Filter circuit, 22... Radio receiver, 23...
Level adjuster, 24... stabilized power supply.
Claims (1)
鉄道踏切警報装置に取り付けた無線自動送信部よ
り構成した警報システム。 A warning system consisting of an automatic radio receiver attached to a car radio and an automatic radio transmitter attached to a railroad crossing warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP215188U JPH01106364U (en) | 1988-01-11 | 1988-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP215188U JPH01106364U (en) | 1988-01-11 | 1988-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01106364U true JPH01106364U (en) | 1989-07-18 |
Family
ID=31202672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP215188U Pending JPH01106364U (en) | 1988-01-11 | 1988-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01106364U (en) |
-
1988
- 1988-01-11 JP JP215188U patent/JPH01106364U/ja active Pending