[go: up one dir, main page]

JPS55159662A - Ear hook type telephone set - Google Patents

Ear hook type telephone set

Info

Publication number
JPS55159662A
JPS55159662A JP6707479A JP6707479A JPS55159662A JP S55159662 A JPS55159662 A JP S55159662A JP 6707479 A JP6707479 A JP 6707479A JP 6707479 A JP6707479 A JP 6707479A JP S55159662 A JPS55159662 A JP S55159662A
Authority
JP
Japan
Prior art keywords
ear
housing
ear hook
telephone set
hook
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
JP6707479A
Other languages
Japanese (ja)
Inventor
Shinichi Shinohara
Yutaka Ichinose
Koichi Matsumoto
Kunihiro Kato
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP6707479A priority Critical patent/JPS55159662A/en
Publication of JPS55159662A publication Critical patent/JPS55159662A/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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/05—Supports for telephone transmitters or receivers specially adapted for use on head, throat or breast

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

PURPOSE:To enable mutual communication with guaranteed private call, by locating a receiver and a transmitter in the housing having the ear hook part and hooking the housing on the ear. CONSTITUTION:A receiver 2 and a transmitter 3 are located in the housing 4 providing an ear hook section 1 hooked to the ear and an ear insertion hole 101 to which the ear is clipped. The privacy of call is assured through mutual talking by hooking the housing 4 to the ear. Except the cord 5 of the housing 4, a dial button 6, sounder 7, hook switch 8, and unit cord 9 are mounted on the housing 4 and dial function is given to the housing 4. Variable loss circuits 12, 13 and comparison circuit 11 are provided with the audio switch circuit 10 to constitute the side tone 15 at the anti-side tone circuit 14 less than 0 dB. Further, the telephone set is made small in size and light in weight for the ease of ear hook, and the removal is made free with free hands.
JP6707479A 1979-05-30 1979-05-30 Ear hook type telephone set Pending JPS55159662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6707479A JPS55159662A (en) 1979-05-30 1979-05-30 Ear hook type telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6707479A JPS55159662A (en) 1979-05-30 1979-05-30 Ear hook type telephone set

Publications (1)

Publication Number Publication Date
JPS55159662A true JPS55159662A (en) 1980-12-11

Family

ID=13334347

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6707479A Pending JPS55159662A (en) 1979-05-30 1979-05-30 Ear hook type telephone set

Country Status (1)

Country Link
JP (1) JPS55159662A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448637A (en) * 1992-10-20 1995-09-05 Pan Communications, Inc. Two-way communications earset

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5148038B2 (en) * 1974-03-12 1976-12-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5148038B2 (en) * 1974-03-12 1976-12-18

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5448637A (en) * 1992-10-20 1995-09-05 Pan Communications, Inc. Two-way communications earset
US5606607A (en) * 1992-10-20 1997-02-25 Pan Communications, Inc. Two-way communications earset
US5664014A (en) * 1992-10-20 1997-09-02 Pan Communications, Inc. Two-way communications earset

Similar Documents

Publication Publication Date Title
NO975592D0 (en) Electronic audio system and related equipment
CA2006140A1 (en) Communication device connected to telephone line together with telephone set
JPS55159662A (en) Ear hook type telephone set
ATE203861T1 (en) MOBILE PHONE WITH SPEAKER
JPS55120234A (en) Cordless telephone set
JPS5642440A (en) Car telephone set as data terminal
JPS5511646A (en) Tone visible display system for telephone set
JPS5664524A (en) Telephone installed on travelling object
JPH04180329A (en) Cordless telephone set
JPS5610766A (en) Talking monitor system
RU2004124014A (en) EMERGENCY CALL DEVICE, OPERATIVE COMMUNICATION AND SUBMISSION OF HIDDEN RADIO SIGNAL
JPS5329605A (en) Hand-free telephone set
JPS53140903A (en) Recording unit of call
JPS547803A (en) Cordless telephone set
FR2448266A1 (en) Communication terminal permitting automatic connection - includes remote information source through telephone network and packet switching
FR2415395A1 (en) Fixed microphone and loudspeaker telephone system - has earpiece manually or electrically switched to preserve conversation secrecy
GB2248747A (en) Telephone handset
JPS57210752A (en) Telephone set
KR960010320Y1 (en) Telephone hand-set
Faralla Signal Corps Field Telephones
JPS5235907A (en) High sound simultaneous communication unit
JPS532011A (en) Calling signal and calling tone transmitting at telephone exchange
JPH031743A (en) Transmitter-receiver
JPS53132911A (en) Telephone set
JPS5266301A (en) Radio response telephone