DE4020588C2 - Akustikkoppler - Google Patents

Akustikkoppler

Info

Publication number
DE4020588C2
DE4020588C2 DE4020588A DE4020588A DE4020588C2 DE 4020588 C2 DE4020588 C2 DE 4020588C2 DE 4020588 A DE4020588 A DE 4020588A DE 4020588 A DE4020588 A DE 4020588A DE 4020588 C2 DE4020588 C2 DE 4020588C2
Authority
DE
Germany
Prior art keywords
signal
acoustic coupler
coupler according
data transmission
transmission device
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
DE4020588A
Other languages
German (de)
English (en)
Other versions
DE4020588A1 (de
Inventor
Takaho Koshiishi
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE4020588A1 publication Critical patent/DE4020588A1/de
Application granted granted Critical
Publication of DE4020588C2 publication Critical patent/DE4020588C2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H04N1/32797—Systems adapted to communicate over more than one channel, e.g. via ISDN
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
    • H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
    • H04N2201/0034—Details of the connection, e.g. connector, interface

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Human Computer Interaction (AREA)
  • Facsimiles In General (AREA)
  • Telephone Set Structure (AREA)
DE4020588A 1989-06-29 1990-06-28 Akustikkoppler Expired - Fee Related DE4020588C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7555889 1989-06-29
JP1989144165U JPH0356255U (US20080094685A1-20080424-C00004.png) 1989-06-29 1989-12-15

Publications (2)

Publication Number Publication Date
DE4020588A1 DE4020588A1 (de) 1991-01-10
DE4020588C2 true DE4020588C2 (de) 1994-05-05

Family

ID=26416697

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4020588A Expired - Fee Related DE4020588C2 (de) 1989-06-29 1990-06-28 Akustikkoppler

Country Status (4)

Country Link
US (1) US5063590A (US20080094685A1-20080424-C00004.png)
JP (1) JPH0356255U (US20080094685A1-20080424-C00004.png)
DE (1) DE4020588C2 (US20080094685A1-20080424-C00004.png)
GB (1) GB2234138B (US20080094685A1-20080424-C00004.png)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5907597A (en) * 1994-08-05 1999-05-25 Smart Tone Authentication, Inc. Method and system for the secure communication of data
US5583933A (en) * 1994-08-05 1996-12-10 Mark; Andrew R. Method and apparatus for the secure communication of data
FR2726716B1 (fr) * 1994-11-03 1996-12-20 France Telecom Commutation d'un terminal, tel que telecopieur, a deux reseaux
US5884197A (en) * 1995-11-30 1999-03-16 Lucent Technologies Inc. Wireless portable transceiver arranged for providing isolation between radio frequency and audio signals
US5995599A (en) * 1998-08-07 1999-11-30 Pocketscience, Inc. Coupler for an acoustic coupled communications device
JP4124402B2 (ja) * 2000-03-31 2008-07-23 株式会社リコー 画像入力装置
GB2377129B (en) * 2001-06-29 2005-05-11 Nokia Corp Wireless communication device and method
JP2003204506A (ja) * 2001-12-28 2003-07-18 Ricoh Co Ltd 画像入力装置
DE10249927B3 (de) * 2002-10-26 2004-03-04 Karl Storz Gmbh & Co. Kg Vorrichtung zum Komprimieren rohrförmiger Endoprothesen sowie zum Einführen einer komprimierten Endoprothese in ein Applikationsrohr

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB620695A (en) * 1946-06-19 1949-03-29 James Henry Robinson Peers Improvements in or relating to amplifying devices for use with telephone sets
US3496298A (en) * 1965-05-26 1970-02-17 Magnavox Co System for facsimile transmission over telephone lines
US3553374A (en) * 1969-03-20 1971-01-05 Digitronics Corp Acoustic coupler
DE2040306A1 (de) * 1970-08-13 1972-02-17 Digitronics Corp Akustischer Wandler
US3882277A (en) * 1972-04-20 1975-05-06 American Optical Corp Electrocardiographic telemetry and telephone transmission link system
JPS6039968A (ja) * 1983-08-12 1985-03-02 Tatsuta Electric Wire & Cable Co Ltd 会議電話装置
JPS61125270A (ja) * 1984-11-21 1986-06-12 Toshiba Corp フアクシミリ装置
JPS6394762A (ja) * 1986-10-09 1988-04-25 Matsushita Graphic Commun Syst Inc 通信装置
JPH0236651A (ja) * 1988-07-27 1990-02-06 Konica Corp アコースティックカップラ

Also Published As

Publication number Publication date
GB9014215D0 (en) 1990-08-15
GB2234138A (en) 1991-01-23
GB2234138B (en) 1994-02-02
JPH0356255U (US20080094685A1-20080424-C00004.png) 1991-05-30
DE4020588A1 (de) 1991-01-10
US5063590A (en) 1991-11-05

Similar Documents

Publication Publication Date Title
DE3040541C2 (US20080094685A1-20080424-C00004.png)
DE69126151T2 (de) Schnurloses Telefon
DE19949359B4 (de) Videotelefon mit automatischer Tonpegeleinstellung zusammen mit einer Betriebsartumschaltung
DE19947612B4 (de) Drahtloses Bildtelefon mit Umgebungslichtsensor
DE69125300T2 (de) Klingelanordnung und -verfahren für einen tragbaren Telefonapparat
DE3517890C2 (de) Schnurloses Telefon
DE2939947A1 (de) Fernsprechsystem
DE1803539B2 (de) 30.0^.6S " 37420 08.08.68 " 56894 Fernsehtelephonieeinrichtung
DE3781934T2 (de) Schnurloses fernsprechersystem.
DE3889508T2 (de) Schnurloses Telefonsystem.
DE3520441A1 (de) Anordnung mit einer grundeinheit und einer vielzahl von fern liegenden ferneinheiten, insbesondere schnurlose telefonanordnung
DE4020588C2 (de) Akustikkoppler
DE3689350T2 (de) Kontrollsystem für einen Radiofernsprecher.
DE4214844C2 (de) Verfahren und Anordnung zur Rufübergabe bei tragbaren Telefonen
DE1487596C3 (de) Schaltungsanordnung für eine Fernsprechnebenstellenanlage mit einer Teilnehmerstation
DE3643990C2 (de) Übertragungssteuereinrichtung
DE69124827T2 (de) Kommunikationsapparat mit Zweifachfunktion als Faksimile und als schnurloses Telefon
DE19755049C2 (de) Verfahren zum Betrieb eines Telekommunikationsendgerätes, Telekommunikationsendgerät und Funkmodul
DE2820096A1 (de) Anordnung fuer einen fernsprechapparat mit einer freisprecheinrichtung
DE4329721A1 (de) Schnittstelle
DE69533346T2 (de) Tragbares Vielfach-Nachrichtenübertragungsgerät
DE4134107A1 (de) Faksimilegeraet
DE69634718T2 (de) Kommunikationseinrichtung mit Verwenund einer Telefonleitung
DE3723261A1 (de) Fernsprecheinrichtung mit ohrmikrofon
JP3076400B2 (ja) データ伝送装置の無線電話装置接続用インタフェース装置

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee