GB2206766A - A telephone set usable as an acoustic coupler - Google Patents

A telephone set usable as an acoustic coupler Download PDF

Info

Publication number
GB2206766A
GB2206766A GB08816430A GB8816430A GB2206766A GB 2206766 A GB2206766 A GB 2206766A GB 08816430 A GB08816430 A GB 08816430A GB 8816430 A GB8816430 A GB 8816430A GB 2206766 A GB2206766 A GB 2206766A
Authority
GB
United Kingdom
Prior art keywords
telephone
telephone set
transmitter
receiver
acoustic coupler
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.)
Withdrawn
Application number
GB08816430A
Other languages
English (en)
Other versions
GB8816430D0 (en
Inventor
Yasunori Imagawa
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.)
Nissei Opto Co Ltd
Original Assignee
Nissei Opto 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
Application filed by Nissei Opto Co Ltd filed Critical Nissei Opto Co Ltd
Publication of GB8816430D0 publication Critical patent/GB8816430D0/en
Publication of GB2206766A publication Critical patent/GB2206766A/en
Withdrawn legal-status Critical Current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
    • H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
    • H04M1/215—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads by non-intrusive coupling means, e.g. acoustic couplers
    • H04M1/2155—Acoustic coupling

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
GB08816430A 1987-07-09 1988-07-11 A telephone set usable as an acoustic coupler Withdrawn GB2206766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987105728U JPS6411046U (US07968547-20110628-C00004.png) 1987-07-09 1987-07-09

Publications (2)

Publication Number Publication Date
GB8816430D0 GB8816430D0 (en) 1988-08-17
GB2206766A true GB2206766A (en) 1989-01-11

Family

ID=14415359

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08816430A Withdrawn GB2206766A (en) 1987-07-09 1988-07-11 A telephone set usable as an acoustic coupler

Country Status (4)

Country Link
US (1) US4901345A (US07968547-20110628-C00004.png)
JP (1) JPS6411046U (US07968547-20110628-C00004.png)
CN (1) CN2043029U (US07968547-20110628-C00004.png)
GB (1) GB2206766A (US07968547-20110628-C00004.png)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03120803U (US07968547-20110628-C00004.png) * 1990-03-22 1991-12-11
JPH04296156A (ja) * 1991-03-25 1992-10-20 Tokyo Electric Co Ltd ファクシミリ装置
US5995599A (en) * 1998-08-07 1999-11-30 Pocketscience, Inc. Coupler for an acoustic coupled communications device
DE19853899C2 (de) * 1998-11-23 2001-11-22 Horst Spanyar Vorrichtung zur elektrischen Verbindung eines Handys mit einer Tastatur
GB0124323D0 (en) * 2001-10-10 2001-11-28 Nokia Corp Setting mode of communication
US7747828B2 (en) * 2004-11-17 2010-06-29 Integrated Device Technology, Inc. Systems and methods for monitoring and controlling binary state devices using a memory device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1507246A (en) * 1976-10-26 1978-04-12 Joannou C Device for graphic communication

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976840A (en) * 1975-07-14 1976-08-24 Spencer Cleveland Portable securities selector system
JPS6037970B2 (ja) * 1976-11-12 1985-08-29 富士写真フイルム株式会社 磁気記録媒体の製法
JPS5913603A (ja) * 1982-07-10 1984-01-24 Nasa:Kk 塩素及び／又は二酸化塩素発生剤組成物
JPS59100659A (ja) * 1982-11-30 1984-06-09 Sharp Corp ワイヤレスフオン
JPS6065648A (ja) * 1983-09-20 1985-04-15 Matsushita Electric Ind Co Ltd 音響カプラ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1507246A (en) * 1976-10-26 1978-04-12 Joannou C Device for graphic communication

Also Published As

Publication number Publication date
GB8816430D0 (en) 1988-08-17
US4901345A (en) 1990-02-13
JPS6411046U (US07968547-20110628-C00004.png) 1989-01-20
CN2043029U (zh) 1989-08-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)