JPS55123246A - Incoming display system - Google Patents

Incoming display system

Info

Publication number
JPS55123246A
JPS55123246A JP3066679A JP3066679A JPS55123246A JP S55123246 A JPS55123246 A JP S55123246A JP 3066679 A JP3066679 A JP 3066679A JP 3066679 A JP3066679 A JP 3066679A JP S55123246 A JPS55123246 A JP S55123246A
Authority
JP
Japan
Prior art keywords
incoming
data
cpu1
ringing tone
recognized
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
JP3066679A
Other languages
Japanese (ja)
Inventor
Hidetoshi Nakahara
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 JP3066679A priority Critical patent/JPS55123246A/en
Publication of JPS55123246A publication Critical patent/JPS55123246A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE:To recognize incoming visually by displaying characters or symbols on a dial number display unit simultaneously with a ringing tone when a received signal from a base-station side switchboard in a motorcar telephone system is recognized by CPU. CONSTITUTION:When an incoming signal arrives from a base-station side switchboard, it is received by receiver 11 and converted into a sequence of data by data conversion part 9, and the data are processed by CPU1 via I/O port 2-2; when it is recognized to be an incoming signal, ringing oscillator 16 is controlled by an instruction from CPU1 to generate a ringing tone, which is amplified 15 and outputted to speaker 14. Simultaneously, a character showing that the incoming has arrived from CPU1 is passed through I/O port 2-1 to output segment data, which is displayed by display units 7-1-7-9 via display driver 5. If a user is absent in incoming, the display remains as it is even in cace of the break of the ringing tone, thereby announcing the call. This system requires no incoming-only display unit, so that economization and miniaturization can be realized.
JP3066679A 1979-03-16 1979-03-16 Incoming display system Pending JPS55123246A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3066679A JPS55123246A (en) 1979-03-16 1979-03-16 Incoming display system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3066679A JPS55123246A (en) 1979-03-16 1979-03-16 Incoming display system

Publications (1)

Publication Number Publication Date
JPS55123246A true JPS55123246A (en) 1980-09-22

Family

ID=12310055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3066679A Pending JPS55123246A (en) 1979-03-16 1979-03-16 Incoming display system

Country Status (1)

Country Link
JP (1) JPS55123246A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4982424A (en) * 1987-01-16 1991-01-01 Nec Corporation Telephone having receive call indicating function and mute/light key

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51128205A (en) * 1975-04-30 1976-11-09 Susumu Nojima Telephone device
JPS52135207A (en) * 1976-05-08 1977-11-12 Hashimoto Corp Method and device for indicating dial information

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51128205A (en) * 1975-04-30 1976-11-09 Susumu Nojima Telephone device
JPS52135207A (en) * 1976-05-08 1977-11-12 Hashimoto Corp Method and device for indicating dial information

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4982424A (en) * 1987-01-16 1991-01-01 Nec Corporation Telephone having receive call indicating function and mute/light key

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