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JPS56152395A - Ear microphone of simultaneous transmitting and receiving type - Google Patents

Ear microphone of simultaneous transmitting and receiving type

Info

Publication number
JPS56152395A
JPS56152395A JP5356380A JP5356380A JPS56152395A JP S56152395 A JPS56152395 A JP S56152395A JP 5356380 A JP5356380 A JP 5356380A JP 5356380 A JP5356380 A JP 5356380A JP S56152395 A JPS56152395 A JP S56152395A
Authority
JP
Japan
Prior art keywords
circuit
receiving
level
amplifier
ear microphone
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
JP5356380A
Other languages
Japanese (ja)
Inventor
Hiroshi Ono
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.)
GEN ENG KK
GEN ENGINEERING KK
Original Assignee
GEN ENG KK
GEN ENGINEERING KK
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 GEN ENG KK, GEN ENGINEERING KK filed Critical GEN ENG KK
Priority to JP5356380A priority Critical patent/JPS56152395A/en
Priority to DE19813115923 priority patent/DE3115923A1/en
Priority to FR8108114A priority patent/FR2481548A1/en
Priority to GB8112700A priority patent/GB2074817A/en
Publication of JPS56152395A publication Critical patent/JPS56152395A/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
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H04M1/6058—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone
    • H04M1/6066—Portable telephones adapted for handsfree use involving the use of a headset accessory device connected to the portable telephone including a wireless connection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/105—Earpiece supports, e.g. ear hooks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Transceivers (AREA)
  • Telephone Set Structure (AREA)

Abstract

PURPOSE: To prevent howling, by providing an automatic voice switch circuit to the vibration pickup type ear microphone.
CONSTITUTION: The output of vibration pickup type ear microphone 1 is input to amplifier 10 of radio equipment 5 through amplifier 2, BPF3, and variable loss circuit 4 and is transmitted to the external by transmitting circuit 5A. In the receiving system, the output of receiving circuit 5B is input to speaker 7 through amplifier 11, variable loss circuit 6, and amplifier 12. The service level of the transmission system is detected by level detecting circuit 13, and the receiving level of the receiving system is detected by level detecting circuit 14, and these levels are input to comparing circuit 8. Circuits 4 and 6 are so corrected that the transmission level is lowered and the receiving level is raised during receiving (when the receiving level is high).
COPYRIGHT: (C)1981,JPO&Japio
JP5356380A 1980-04-24 1980-04-24 Ear microphone of simultaneous transmitting and receiving type Pending JPS56152395A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP5356380A JPS56152395A (en) 1980-04-24 1980-04-24 Ear microphone of simultaneous transmitting and receiving type
DE19813115923 DE3115923A1 (en) 1980-04-24 1981-04-22 Intercom device
FR8108114A FR2481548A1 (en) 1980-04-24 1981-04-23 TWO-CHANNEL COMMUNICATION DEVICE
GB8112700A GB2074817A (en) 1980-04-24 1981-04-24 A two-way communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5356380A JPS56152395A (en) 1980-04-24 1980-04-24 Ear microphone of simultaneous transmitting and receiving type

Publications (1)

Publication Number Publication Date
JPS56152395A true JPS56152395A (en) 1981-11-25

Family

ID=12946279

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5356380A Pending JPS56152395A (en) 1980-04-24 1980-04-24 Ear microphone of simultaneous transmitting and receiving type

Country Status (4)

Country Link
JP (1) JPS56152395A (en)
DE (1) DE3115923A1 (en)
FR (1) FR2481548A1 (en)
GB (1) GB2074817A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6068734U (en) * 1983-10-18 1985-05-15 株式会社岩田エレクトリツク handset
JPS6323834U (en) * 1986-07-30 1988-02-17

Families Citing this family (143)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588867A (en) * 1982-04-27 1986-05-13 Masao Konomi Ear microphone
JPS59108358U (en) * 1982-07-27 1984-07-21 宮田　慎太郎 Automatic voice transmission/reception switching device for ear canal shaped handset
JPS60256235A (en) * 1984-06-01 1985-12-17 Nec Corp Multiplex communication system with single carrier and single channel
DE3723275A1 (en) * 1986-09-25 1988-03-31 Temco Japan EAR MICROPHONE
DE3706366A1 (en) * 1987-02-27 1988-09-08 Bosch Gmbh Robert RECEIVING DEVICE
FR2648294A1 (en) * 1989-06-08 1990-12-14 Carriou Innovation Sarl Xavier Audio link between a control room and a speaker on a set
EP0448764B1 (en) * 1990-03-30 1994-06-01 Siemens Audiologische Technik GmbH Programmable electrical hearing aid
US5276910A (en) * 1991-09-13 1994-01-04 Resound Corporation Energy recovering hearing system
FR2724080B1 (en) * 1994-08-23 1996-12-20 Ebauchesfabrik Eta Ag HANDS-FREE WIRELESS PORTABLE TELEPHONE
FI101662B (en) * 1996-02-08 1998-07-31 Nokia Mobile Phones Ltd Handsfree device for mobile phone
GB2347817B (en) * 1999-03-10 2001-02-21 Cotron Corp Communication system for telephone
US6879698B2 (en) 1999-05-10 2005-04-12 Peter V. Boesen Cellular telephone, personal digital assistant with voice communication unit
US6542721B2 (en) 1999-10-11 2003-04-01 Peter V. Boesen Cellular telephone, personal digital assistant and pager unit
US6920229B2 (en) 1999-05-10 2005-07-19 Peter V. Boesen Earpiece with an inertial sensor
US6823195B1 (en) 2000-06-30 2004-11-23 Peter V. Boesen Ultra short range communication with sensing device and method
US6738485B1 (en) 1999-05-10 2004-05-18 Peter V. Boesen Apparatus, method and system for ultra short range communication
US6952483B2 (en) 1999-05-10 2005-10-04 Genisus Systems, Inc. Voice transmission apparatus with UWB
US6094492A (en) 1999-05-10 2000-07-25 Boesen; Peter V. Bone conduction voice transmission apparatus and system
US6560468B1 (en) * 1999-05-10 2003-05-06 Peter V. Boesen Cellular telephone, personal digital assistant, and pager unit with capability of short range radio frequency transmissions
US6852084B1 (en) 2000-04-28 2005-02-08 Peter V. Boesen Wireless physiological pressure sensor and transmitter with capability of short range radio frequency transmissions
US6470893B1 (en) 2000-05-15 2002-10-29 Peter V. Boesen Wireless biopotential sensing device and method with capability of short-range radio frequency transmission and reception
US6694180B1 (en) 1999-10-11 2004-02-17 Peter V. Boesen Wireless biopotential sensing device and method with capability of short-range radio frequency transmission and reception
WO2003003351A2 (en) * 2001-06-27 2003-01-09 Dufek Otto K Method for preparing learning matter and corresponding sound transmission device
US8526646B2 (en) 2004-05-10 2013-09-03 Peter V. Boesen Communication device
US7899194B2 (en) 2005-10-14 2011-03-01 Boesen Peter V Dual ear voice communication device
NL1031241C2 (en) * 2006-02-24 2007-08-27 Wilmink Productontwikkeling Ear piece for insertion into a hearing canal.
US8213653B2 (en) 2006-05-10 2012-07-03 Phonak Ag Hearing device
EP1689210B1 (en) * 2006-05-10 2008-03-26 Phonak AG Hearing device
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6068734U (en) * 1983-10-18 1985-05-15 株式会社岩田エレクトリツク handset
JPS6323834U (en) * 1986-07-30 1988-02-17
JPH0323725Y2 (en) * 1986-07-30 1991-05-23

Also Published As

Publication number Publication date
GB2074817A (en) 1981-11-04
FR2481548A1 (en) 1981-10-30
DE3115923A1 (en) 1982-03-18

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