JPS5643860A - Signal discrimination system of circuit terminal - Google Patents

Signal discrimination system of circuit terminal

Info

Publication number
JPS5643860A
JPS5643860A JP11898979A JP11898979A JPS5643860A JP S5643860 A JPS5643860 A JP S5643860A JP 11898979 A JP11898979 A JP 11898979A JP 11898979 A JP11898979 A JP 11898979A JP S5643860 A JPS5643860 A JP S5643860A
Authority
JP
Japan
Prior art keywords
operated
contact
data collection
signal
send out
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
JP11898979A
Other languages
English (en)
Inventor
Asao Ogata
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP11898979A priority Critical patent/JPS5643860A/ja
Publication of JPS5643860A publication Critical patent/JPS5643860A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
JP11898979A 1979-09-17 1979-09-17 Signal discrimination system of circuit terminal Pending JPS5643860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11898979A JPS5643860A (en) 1979-09-17 1979-09-17 Signal discrimination system of circuit terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11898979A JPS5643860A (en) 1979-09-17 1979-09-17 Signal discrimination system of circuit terminal

Publications (1)

Publication Number Publication Date
JPS5643860A true JPS5643860A (en) 1981-04-22

Family

ID=14750244

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11898979A Pending JPS5643860A (en) 1979-09-17 1979-09-17 Signal discrimination system of circuit terminal

Country Status (1)

Country Link
JP (1) JPS5643860A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5991024A (ja) * 1982-11-16 1984-05-25 Kubota Ltd 管の被覆方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5991024A (ja) * 1982-11-16 1984-05-25 Kubota Ltd 管の被覆方法

Similar Documents

Publication Publication Date Title
US3586787A (en) Remote telephone extension system
US4408102A (en) Two-wire exchange telephone system
JPS56117467A (en) Automatic outgoing device
JPS5643860A (en) Signal discrimination system of circuit terminal
JPS5664524A (en) Telephone installed on travelling object
JPS5610766A (en) Talking monitor system
JPS57183171A (en) Telephone set with automatic data transmitting and receiving function
JPS5591252A (en) Automatic answering telephone set
JPS5758452A (en) Button telephone device
JPS5671366A (en) Telephone set having communication time elapsed alarm function
JPS5451702A (en) Automatic power supply cut-off circuit
SU766028A1 (ru) Устройство дл передачи и приема сигналов тонального вызова по каналам проводной св зи
JPS56156056A (en) Discriminating system for incoming call
JPS56123135A (en) Cordless telephone set
JPS5792968A (en) Communication control system for facsimile
JPS6451861A (en) Composite terminal equipment
JPS6416156A (en) Telephone line terminal equipment
JPS5730451A (en) Modulator and demodulator of information processing center
JPS6413848A (en) Electronic automatic exchange with message informing function
JPS5792990A (en) Electronic key telephone device
JPS6442981A (en) Facsimile equipment
JPS54100608A (en) Circuit control system of time-division digital telephone switchboard
JPS5444402A (en) Telephone for data communication
JPS55124351A (en) Signal transmission system
JPS56128089A (en) Hooking detection system of push-button telephone set