JPH01178687U - - Google Patents
Info
- Publication number
- JPH01178687U JPH01178687U JP7551488U JP7551488U JPH01178687U JP H01178687 U JPH01178687 U JP H01178687U JP 7551488 U JP7551488 U JP 7551488U JP 7551488 U JP7551488 U JP 7551488U JP H01178687 U JPH01178687 U JP H01178687U
- Authority
- JP
- Japan
- Prior art keywords
- radio waves
- control device
- receiving devices
- receiving
- displays
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Audible And Visible Signals (AREA)
- Mobile Radio Communication Systems (AREA)
Description
第１図は本考案の一実施例を示すブロツク図で
ある。
１……表示装置、２……制御装置、３，４……
受信装置、５，６……アンテナ、７……送信装置
、８……アンテナ。
FIG. 1 is a block diagram showing one embodiment of the present invention. 1... Display device, 2... Control device, 3, 4...
Receiving device, 5, 6... antenna, 7... transmitting device, 8... antenna.
Claims (1)
型の送信装置と、前記電波を受信する領域が互に
独立している複数の受信装置と、この複数の受信
装置の復調出力信号を入力する制御装置と、この
制御装置の入力状態を表示する表示装置とを備え
たことを特徴とする離席表示システム。 A portable transmitting device that transmits radio waves modulated with an individual identification code, a plurality of receiving devices whose regions for receiving the radio waves are independent from each other, and a control device that inputs demodulated output signals of the plurality of receiving devices. and a display device that displays the input state of the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7551488U JPH01178687U (en) | 1988-06-06 | 1988-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7551488U JPH01178687U (en) | 1988-06-06 | 1988-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01178687U true JPH01178687U (en) | 1989-12-21 |
Family
ID=31300577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7551488U Pending JPH01178687U (en) | 1988-06-06 | 1988-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01178687U (en) |
-
1988
- 1988-06-06 JP JP7551488U patent/JPH01178687U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS625389U (en) | ||
| JPS6359434U (en) | ||
| JPS62171231U (en) | ||
| JPS63129348U (en) | ||
| JPH0235338U (en) | ||
| JPS6271794U (en) | ||
| JPS61171339U (en) | ||
| JPH03119779U (en) | ||
| JPH0449885U (en) | ||
| JPS59174754U (en) | wireless remote control device | |
| JPS645583U (en) | ||
| JPH0253707U (en) | ||
| JPS61176836U (en) | ||
| JPH0260892U (en) | ||
| JPH0467891U (en) | ||
| JPS6440935U (en) | ||
| JPS6133541U (en) | In-vehicle wireless device | |
| JPS6253479U (en) | ||
| JPS62178679U (en) | ||
| JPS6440964U (en) | ||
| JPH0472754U (en) | ||
| JPH01155598U (en) | ||
| JPS60126918U (en) | remote control switch | |
| JPH0244419U (en) | ||
| JPS59140586U (en) | signal mixing device |