JPS524102A - Telephone sound volume controller - Google Patents

Telephone sound volume controller

Info

Publication number
JPS524102A
JPS524102A JP7973275A JP7973275A JPS524102A JP S524102 A JPS524102 A JP S524102A JP 7973275 A JP7973275 A JP 7973275A JP 7973275 A JP7973275 A JP 7973275A JP S524102 A JPS524102 A JP S524102A
Authority
JP
Japan
Prior art keywords
sound volume
volume controller
telephone sound
telephone
handset
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
JP7973275A
Other languages
Japanese (ja)
Inventor
Hirotada Iketani
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 JP7973275A priority Critical patent/JPS524102A/en
Publication of JPS524102A publication Critical patent/JPS524102A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/60Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/62Constructional arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

PURPOSE:To enable the telephone receiver person to control freely the speaker's voice volume by installing a sound volume controller unit onto the handset.
JP7973275A 1975-06-28 1975-06-28 Telephone sound volume controller Pending JPS524102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7973275A JPS524102A (en) 1975-06-28 1975-06-28 Telephone sound volume controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7973275A JPS524102A (en) 1975-06-28 1975-06-28 Telephone sound volume controller

Publications (1)

Publication Number Publication Date
JPS524102A true JPS524102A (en) 1977-01-13

Family

ID=13698370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7973275A Pending JPS524102A (en) 1975-06-28 1975-06-28 Telephone sound volume controller

Country Status (1)

Country Link
JP (1) JPS524102A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63209253A (en) * 1987-02-25 1988-08-30 Nec Corp Handset
JPH05208057A (en) * 1992-08-10 1993-08-20 Yamaha Motor Co Ltd Chassis structure of four-wheel standing ride type golf cart

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63209253A (en) * 1987-02-25 1988-08-30 Nec Corp Handset
JPH05208057A (en) * 1992-08-10 1993-08-20 Yamaha Motor Co Ltd Chassis structure of four-wheel standing ride type golf cart

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