JPS55115761A - Radio unit - Google Patents

Radio unit

Info

Publication number
JPS55115761A
JPS55115761A JP2265079A JP2265079A JPS55115761A JP S55115761 A JPS55115761 A JP S55115761A JP 2265079 A JP2265079 A JP 2265079A JP 2265079 A JP2265079 A JP 2265079A JP S55115761 A JPS55115761 A JP S55115761A
Authority
JP
Japan
Prior art keywords
callout
radio
transmitter
telephone set
antenna
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
JP2265079A
Other languages
Japanese (ja)
Inventor
Fumio Sugiyama
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP2265079A priority Critical patent/JPS55115761A/en
Publication of JPS55115761A publication Critical patent/JPS55115761A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones

Landscapes

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

Abstract

PURPOSE:To enable to confirm the incoming surely even under the situation when no callout bell sound can not be heard, by providing the transmitter attached to the telephone set and transmitting the callout signal in radio. CONSTITUTION:The radio transmitter 2 is fitted to the main body of the telephone set 1. The radio transmitter 2 detects the callout bell tone of the telephone set 1 and transmits the radio frequency signal modulated with the callout signal is transmitted from the antenna 3. The radio receiver 5 is provided near the user by opposing to the transmitter 2. This radio receiver 5 provides the antenna 4 and the speaker 6 as the callout informing unit. The radio frequency signal from the transmitter 2 is received with the antenna 4 to activate the speaker 6. Thus, the incoming call can be confirmed even under the situation when the callout bell tone of the telephone set 1 can not be heard.
JP2265079A 1979-02-28 1979-02-28 Radio unit Pending JPS55115761A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2265079A JPS55115761A (en) 1979-02-28 1979-02-28 Radio unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2265079A JPS55115761A (en) 1979-02-28 1979-02-28 Radio unit

Publications (1)

Publication Number Publication Date
JPS55115761A true JPS55115761A (en) 1980-09-05

Family

ID=12088717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2265079A Pending JPS55115761A (en) 1979-02-28 1979-02-28 Radio unit

Country Status (1)

Country Link
JP (1) JPS55115761A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5883854U (en) * 1981-12-02 1983-06-07 トヨタ自動車株式会社 telephone receiving calling system
JPS63124652A (en) * 1986-11-14 1988-05-28 Nec Corp Remote call system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5883854U (en) * 1981-12-02 1983-06-07 トヨタ自動車株式会社 telephone receiving calling system
JPS63124652A (en) * 1986-11-14 1988-05-28 Nec Corp Remote call system

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