JPH01147543U - - Google Patents

Info

Publication number
JPH01147543U
JPH01147543U JP4419488U JP4419488U JPH01147543U JP H01147543 U JPH01147543 U JP H01147543U JP 4419488 U JP4419488 U JP 4419488U JP 4419488 U JP4419488 U JP 4419488U JP H01147543 U JPH01147543 U JP H01147543U
Authority
JP
Japan
Prior art keywords
terminal station
photocoupler
signals
transmitted
transmission system
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
JP4419488U
Other languages
Japanese (ja)
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.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4419488U priority Critical patent/JPH01147543U/ja
Publication of JPH01147543U publication Critical patent/JPH01147543U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案の原理説明図、第2図は本考案
の実施例の構成説明図、第3図は従来例の説明図
であり、図中、1はセンタ端局、2〜2は端
局、11〜11はセンタ側送信部、13
13は端局側送信部、14〜14は端局側
受信部(オートカプラ)、21はセンタ側受信部
(オートカプラ)を示す。
Fig. 1 is an explanatory diagram of the principle of the present invention, Fig. 2 is an explanatory diagram of the configuration of an embodiment of the invention, and Fig. 3 is an explanatory diagram of a conventional example. n is the terminal station, 11 1 to 11 n is the center side transmitter, 13 1 to
Reference numeral 13 n indicates a terminal station side transmitting section, 14 1 to 14 n indicate a terminal station side receiving section (auto coupler), and 21 indicates a center side receiving section (auto coupler).

Claims (1)

【実用新案登録請求の範囲】 複数端局とセンタ端局との間で信号が送受信さ
れ、該両端局における信号の結合をホトカプラで
行なう信号伝送系において、 前記センタ端局に、各端局信号をそれぞれ受信
する複数の発光素子と、共通の受光素子より成る
ホトカプラを具えたことを特徴とする信号伝送系
[Claims for Utility Model Registration] In a signal transmission system in which signals are transmitted and received between a plurality of terminal stations and a center terminal station, and the signals at both terminal stations are coupled by a photocoupler, each terminal station signal is transmitted to the center terminal station. 1. A signal transmission system comprising a plurality of light emitting elements that each receive light, and a photocoupler that is made up of a common light receiving element.
JP4419488U 1988-04-01 1988-04-01 Pending JPH01147543U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4419488U JPH01147543U (en) 1988-04-01 1988-04-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4419488U JPH01147543U (en) 1988-04-01 1988-04-01

Publications (1)

Publication Number Publication Date
JPH01147543U true JPH01147543U (en) 1989-10-12

Family

ID=31270564

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4419488U Pending JPH01147543U (en) 1988-04-01 1988-04-01

Country Status (1)

Country Link
JP (1) JPH01147543U (en)

Similar Documents

Publication Publication Date Title
CA2275282A1 (en) Communications system and method
CA2071490A1 (en) Satellite based acknowledge-back paging system
EP0361368A3 (en) Light signal transmission system
ATE245870T1 (en) TRANSMIT ANTENNA DIVERSITY
JPH01147543U (en)
JPH0338945U (en)
JPS63114545U (en)
JPS63173943U (en)
JPS6185944U (en)
JPS61201197U (en)
JPH0228158U (en)
JPH044447U (en)
JPS599665U (en) Telemeter device
JPS61143356U (en)
JPS6142157U (en) data communication equipment
JPH0384661U (en)
JPS62169549U (en)
JPS63191739U (en)
JPS6344174U (en)
JPS62187820U (en)
JPS6195140U (en)
JPS6359447U (en)
JPS63114543U (en)
JPH0485844U (en)
JPS61168738U (en)