BE746956A - Appareil de couplage acoustique - Google Patents

Appareil de couplage acoustique

Info

Publication number
BE746956A
BE746956A BE746956DA BE746956A BE 746956 A BE746956 A BE 746956A BE 746956D A BE746956D A BE 746956DA BE 746956 A BE746956 A BE 746956A
Authority
BE
Belgium
Prior art keywords
coupling device
acoustic coupling
acoustic
coupling
Prior art date
Application number
Other languages
English (en)
Inventor
R C Hansen
Original Assignee
Xerox 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 Xerox Corp filed Critical Xerox Corp
Publication of BE746956A publication Critical patent/BE746956A/fr

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
    • 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
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)
  • Facsimiles In General (AREA)
BE746956D 1969-03-06 1970-03-06 Appareil de couplage acoustique BE746956A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80488069A 1969-03-06 1969-03-06

Publications (1)

Publication Number Publication Date
BE746956A true BE746956A (fr) 1970-09-07

Family

ID=25190098

Family Applications (1)

Application Number Title Priority Date Filing Date
BE746956D BE746956A (fr) 1969-03-06 1970-03-06 Appareil de couplage acoustique

Country Status (7)

Country Link
US (1) US3592966A (fr)
JP (1) JPS5220801B1 (fr)
BE (1) BE746956A (fr)
DE (1) DE2010770A1 (fr)
FR (1) FR2037160B1 (fr)
GB (1) GB1292884A (fr)
NL (1) NL7002904A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749838A (en) * 1970-11-30 1973-07-31 J Juba Sound generating device for signaling and responding to nuisance telephone calls
JPS4832409A (fr) * 1971-08-30 1973-04-28
US3875335A (en) * 1972-01-03 1975-04-01 Design Elements Inc Phone coupler
JPS5326886Y2 (fr) * 1974-01-28 1978-07-08
SE406405B (sv) * 1977-07-05 1979-02-05 Ericsson Telefon Ab L M Telefonapparat med en handmikrotelefon
US4149033A (en) * 1977-11-14 1979-04-10 Graphic Sciences, Inc. Acoustic coupler assembly
GB2180721B (en) * 1985-09-20 1988-11-16 Unisys Corp Acoustic coupler for a telephone handset
US6327365B1 (en) 1997-10-31 2001-12-04 Ncr Corporation Acoustic coupling product label and method of using
US9445168B2 (en) * 2012-03-05 2016-09-13 Lenovo (Beijing) Co., Ltd. Electronic device and direction switching method of the electronic device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547420A (en) * 1949-06-29 1951-04-03 Ira L Sumner Telephone handset lock
US2847506A (en) * 1955-09-15 1958-08-12 Remler Company Ltd Receiver amplifier
US3449522A (en) * 1965-07-21 1969-06-10 Magnavox Co Acoustical coupler
US3436474A (en) * 1965-10-01 1969-04-01 Xerox Corp Facsimile optional double skipping

Also Published As

Publication number Publication date
JPS5220801B1 (fr) 1977-06-06
NL7002904A (fr) 1970-09-08
US3592966A (en) 1971-07-13
FR2037160B1 (fr) 1973-03-16
GB1292884A (en) 1972-10-18
DE2010770A1 (de) 1970-11-05
FR2037160A1 (fr) 1970-12-31

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