JPS5228808A - Transmitting and receiving system of interphone - Google Patents

Transmitting and receiving system of interphone

Info

Publication number
JPS5228808A
JPS5228808A JP50104772A JP10477275A JPS5228808A JP S5228808 A JPS5228808 A JP S5228808A JP 50104772 A JP50104772 A JP 50104772A JP 10477275 A JP10477275 A JP 10477275A JP S5228808 A JPS5228808 A JP S5228808A
Authority
JP
Japan
Prior art keywords
transmitting
interphone
receiving system
service
receiving
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
JP50104772A
Other languages
Japanese (ja)
Inventor
Susumu Nojima
Shigeyuki Ohara
Sukezo Osaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TOKYO INTAAHOON KK
TOUKIYOU INTAAHOON KK
Original Assignee
TOKYO INTAAHOON KK
TOUKIYOU INTAAHOON KK
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 by TOKYO INTAAHOON KK, TOUKIYOU INTAAHOON KK filed Critical TOKYO INTAAHOON KK
Priority to JP50104772A priority Critical patent/JPS5228808A/en
Publication of JPS5228808A publication Critical patent/JPS5228808A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022—Multiplex systems
    • H04M9/025—Time division multiplex systems, e.g. loop systems

Abstract

PURPOSE:To make the multi-station two-way service possible, by means of transmitting and receiving the service information on the time division system n system for one service use transmission line.
JP50104772A 1975-08-29 1975-08-29 Transmitting and receiving system of interphone Pending JPS5228808A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50104772A JPS5228808A (en) 1975-08-29 1975-08-29 Transmitting and receiving system of interphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50104772A JPS5228808A (en) 1975-08-29 1975-08-29 Transmitting and receiving system of interphone

Publications (1)

Publication Number Publication Date
JPS5228808A true JPS5228808A (en) 1977-03-04

Family

ID=14389757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50104772A Pending JPS5228808A (en) 1975-08-29 1975-08-29 Transmitting and receiving system of interphone

Country Status (1)

Country Link
JP (1) JPS5228808A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60500528A (en) * 1983-03-04 1985-04-18 エムハ−ト・インダストリ−ズ・インコ−ポレ−テッド Improved blank and plunger cooling

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4859718A (en) * 1971-11-24 1973-08-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4859718A (en) * 1971-11-24 1973-08-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60500528A (en) * 1983-03-04 1985-04-18 エムハ−ト・インダストリ−ズ・インコ−ポレ−テッド Improved blank and plunger cooling

Similar Documents

Publication Publication Date Title
JPS5439504A (en) Information communication system
JPS53123601A (en) Data transmission system
JPS5336116A (en) Loop transmission system
JPS5228808A (en) Transmitting and receiving system of interphone
JPS53121501A (en) Loop transmission system
JPS53101904A (en) Permission system for transmission in loop communication system
JPS5310912A (en) Two-way multiplex transmission control system
JPS5429510A (en) Data communication system
JPS53142103A (en) Control system for private transmission system
JPS5375708A (en) Data communication system providing signal transfer function
JPS52120709A (en) Common line signal system
JPS5379409A (en) Transmission control system
JPS51150909A (en) Data intertransmitting system
JPS5351905A (en) Loop communication system
JPS5327312A (en) Signal transmission system
JPS52126103A (en) Communication method
JPS5391603A (en) Receiver for transportation information
JPS52113110A (en) Automatic exchanger connecting system
JPS52104001A (en) Secret communication system
JPS5226105A (en) Back-up output system in data transmission
JPS52134989A (en) Traffic-control sign control system
JPS52140203A (en) Information transmission system
JPS545693A (en) Information communication system
JPS5368102A (en) Data transmission control system
JPS52130215A (en) Service request write-in system in case of incoming transfer