CA1268569A - Materiel telephonique utilisant un ecouteur introduit dans l'oreille - Google Patents

Materiel telephonique utilisant un ecouteur introduit dans l'oreille

Info

Publication number
CA1268569A
CA1268569A CA000541982A CA541982A CA1268569A CA 1268569 A CA1268569 A CA 1268569A CA 000541982 A CA000541982 A CA 000541982A CA 541982 A CA541982 A CA 541982A CA 1268569 A CA1268569 A CA 1268569A
Authority
CA
Canada
Prior art keywords
transceiver
signal
voice signal
auditory canal
external auditory
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.)
Expired - Fee Related
Application number
CA000541982A
Other languages
English (en)
Inventor
Hiroaki Yanagisawa
Jiro Nawa
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.)
Temco Japan Co Ltd
Original Assignee
Temco Japan 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
Priority claimed from JP26687786A external-priority patent/JPS63120547A/ja
Priority claimed from JP26687686A external-priority patent/JPS63120546A/ja
Application filed by Temco Japan Co Ltd filed Critical Temco Japan Co Ltd
Application granted granted Critical
Publication of CA1268569A publication Critical patent/CA1268569A/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/19—Arrangements of transmitters, receivers, or complete sets to prevent eavesdropping, to attenuate local noise or to prevent undesired transmission; Mouthpieces or receivers specially adapted therefor
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
CA000541982A 1986-11-10 1987-07-14 Materiel telephonique utilisant un ecouteur introduit dans l'oreille Expired - Fee Related CA1268569A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP26687786A JPS63120547A (ja) 1986-11-10 1986-11-10 電話装置
JP61-266877 1986-11-10
JP26687686A JPS63120546A (ja) 1986-11-10 1986-11-10 ワイヤレス電話装置
JP61-266876 1986-11-10

Publications (1)

Publication Number Publication Date
CA1268569A true CA1268569A (fr) 1990-05-01

Family

ID=26547627

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000541982A Expired - Fee Related CA1268569A (fr) 1986-11-10 1987-07-14 Materiel telephonique utilisant un ecouteur introduit dans l'oreille

Country Status (5)

Country Link
AU (1) AU603151B2 (fr)
CA (1) CA1268569A (fr)
DE (1) DE3723261A1 (fr)
FR (1) FR2606569A1 (fr)
GB (1) GB2198612A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125032A (en) * 1988-12-02 1992-06-23 Erwin Meister Talk/listen headset
US5109410A (en) * 1990-01-05 1992-04-28 Technology Management And Ventures, Ltd. Two-line, hands-free telephone system
US5164984A (en) * 1990-01-05 1992-11-17 Technology Management And Ventures, Ltd. Hands-free telephone assembly
AU636778B2 (en) * 1990-07-30 1993-05-06 Shuji Kitagawa Handset
US5191602A (en) * 1991-01-09 1993-03-02 Plantronics, Inc. Cellular telephone headset

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1930531A1 (de) * 1969-06-16 1970-12-23 Standard Elek K Lorenz Ag Fernsprechteilnehmerstelle mit einer ortsfesten Fernsprechstation und einem schnurlosen Handapparat
DE1762915A1 (de) * 1968-09-20 1970-10-22 Bernhard Kaiser Ohrmikrophon
US4150262A (en) * 1974-11-18 1979-04-17 Hiroshi Ono Piezoelectric bone conductive in ear voice sounds transmitting and receiving apparatus
GB1548145A (en) * 1978-02-21 1979-07-04 Standard Telephones Cables Ltd Telephones
DE2820096A1 (de) * 1978-05-09 1979-11-15 Standard Elektrik Lorenz Ag Anordnung fuer einen fernsprechapparat mit einer freisprecheinrichtung
JPS5850078B2 (ja) * 1979-05-04 1983-11-08 株式会社 弦エンジニアリング 振動ピックアップ型イヤ−マイクロホンの送信装置および送受信装置
CA1200843A (fr) * 1980-07-01 1986-02-18 Charles L. Hicks, Jr. Instrument de communication sans fil
US4588867A (en) * 1982-04-27 1986-05-13 Masao Konomi Ear microphone
FR2559984B1 (fr) * 1984-02-17 1987-01-16 Thomson Csf Microphone auriculaire de contact

Also Published As

Publication number Publication date
AU8095787A (en) 1988-05-12
GB8718118D0 (en) 1987-09-03
FR2606569A1 (fr) 1988-05-13
DE3723261A1 (de) 1988-05-11
GB2198612A (en) 1988-06-15
AU603151B2 (en) 1990-11-08

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Legal Events

Date Code Title Description
MKLA Lapsed