JPS5247302A - Portable telephone system - Google Patents

Portable telephone system

Info

Publication number
JPS5247302A
JPS5247302A JP50123580A JP12358075A JPS5247302A JP S5247302 A JPS5247302 A JP S5247302A JP 50123580 A JP50123580 A JP 50123580A JP 12358075 A JP12358075 A JP 12358075A JP S5247302 A JPS5247302 A JP S5247302A
Authority
JP
Japan
Prior art keywords
telephone system
portable telephone
telephone
transmitter
order
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
JP50123580A
Other languages
Japanese (ja)
Inventor
Yutaro Hironiwa
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP50123580A priority Critical patent/JPS5247302A/en
Publication of JPS5247302A publication Critical patent/JPS5247302A/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)
  • Transceivers (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE:Both transmitter and acoustic coupler are equipped to telephone in order to enable call from distant place from the telephone.
JP50123580A 1975-10-13 1975-10-13 Portable telephone system Pending JPS5247302A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50123580A JPS5247302A (en) 1975-10-13 1975-10-13 Portable telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50123580A JPS5247302A (en) 1975-10-13 1975-10-13 Portable telephone system

Publications (1)

Publication Number Publication Date
JPS5247302A true JPS5247302A (en) 1977-04-15

Family

ID=14864094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50123580A Pending JPS5247302A (en) 1975-10-13 1975-10-13 Portable telephone system

Country Status (1)

Country Link
JP (1) JPS5247302A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128602A (en) * 1978-03-29 1979-10-05 Chiyoujirou Yamada Radio home telephone

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280259A (en) * 1962-09-27 1966-10-18 John R Cotter Telephone repeater and portable telephone communication systems utilizing power line carrier currents

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280259A (en) * 1962-09-27 1966-10-18 John R Cotter Telephone repeater and portable telephone communication systems utilizing power line carrier currents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128602A (en) * 1978-03-29 1979-10-05 Chiyoujirou Yamada Radio home telephone

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