BE826226A - Adapteur telephonique - Google Patents

Adapteur telephonique

Info

Publication number
BE826226A
BE826226A BE153947A BE153947A BE826226A BE 826226 A BE826226 A BE 826226A BE 153947 A BE153947 A BE 153947A BE 153947 A BE153947 A BE 153947A BE 826226 A BE826226 A BE 826226A
Authority
BE
Belgium
Prior art keywords
telephone adapter
adapter
telephone
Prior art date
Application number
BE153947A
Other languages
English (en)
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 filed Critical
Publication of BE826226A publication Critical patent/BE826226A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • H04M15/30—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal the meter or calculation of charges not being controlled from an exchange
    • 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
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • H04M1/656—Recording arrangements for recording a message from the calling party for recording conversations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)
BE153947A 1974-03-04 1975-03-03 Adapteur telephonique BE826226A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US447690A US3887771A (en) 1974-03-04 1974-03-04 Telephone adapter

Publications (1)

Publication Number Publication Date
BE826226A true BE826226A (fr) 1975-09-03

Family

ID=23777345

Family Applications (1)

Application Number Title Priority Date Filing Date
BE153947A BE826226A (fr) 1974-03-04 1975-03-03 Adapteur telephonique

Country Status (14)

Country Link
US (1) US3887771A (fr)
JP (1) JPS50126106A (fr)
AU (1) AU7848375A (fr)
BE (1) BE826226A (fr)
BR (1) BR7501232A (fr)
CA (1) CA1022854A (fr)
CH (1) CH584991A5 (fr)
DE (1) DE2508387A1 (fr)
DK (1) DK82475A (fr)
FR (1) FR2263647B1 (fr)
GB (1) GB1493535A (fr)
IT (1) IT1029866B (fr)
NL (1) NL7502268A (fr)
SE (1) SE384959B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3928723A (en) * 1973-07-02 1975-12-23 Kazuo Kai Telephone set with built-in loudspeaker
US4115659A (en) * 1977-06-16 1978-09-19 Abram N. Spanel Electroacoustical telephone adapter
US4362905A (en) * 1980-01-29 1982-12-07 Nassar Ismail Universal adapters for modular plug telephones
US4326102A (en) * 1980-02-04 1982-04-20 Msi Data Corporation Audio data transmission device with coupling device
US5291541A (en) * 1992-12-21 1994-03-01 At&T Bell Laboratories Coupling apparatus for telephone handsets
US5613222A (en) * 1994-06-06 1997-03-18 The Creative Solutions Company Cellular telephone headset for hand-free communication
US5850439A (en) * 1996-02-20 1998-12-15 Cotron Corporation Hands-free phone converter
TW200911773A (en) 2007-06-12 2009-03-16 Solvay Epichlorohydrin, manufacturing process and use
GB2483308A (en) * 2010-09-06 2012-03-07 Jack Kemp Docking device with pickup coil coupled to electromagnetic transducer
US10418955B2 (en) * 2017-04-10 2019-09-17 Language Line Services, Inc. Process for acoustic amplification in a mobile device application

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US799659A (en) * 1905-05-24 1905-09-19 George Griffin Lewis Ear-trumpet.
US2609045A (en) * 1951-04-16 1952-09-02 Henry R Kaiser Timer attachment for telephones
US2987575A (en) * 1955-11-10 1961-06-06 Norman L Chalfin Two way telephone handset amplifying system
US3376390A (en) * 1958-12-30 1968-04-02 Hashimoto Kazuo Telephone answering device
US3512355A (en) * 1967-10-26 1970-05-19 Goldentone Electronics Inc Telephone timing device

Also Published As

Publication number Publication date
AU7848375A (en) 1976-08-26
NL7502268A (nl) 1975-09-08
BR7501232A (pt) 1975-12-02
FR2263647B1 (fr) 1980-05-30
GB1493535A (en) 1977-11-30
US3887771A (en) 1975-06-03
FR2263647A1 (fr) 1975-10-03
SE7502351L (fr) 1975-09-05
JPS50126106A (fr) 1975-10-03
CA1022854A (fr) 1977-12-20
SE384959B (sv) 1976-05-24
DK82475A (fr) 1975-11-03
DE2508387A1 (de) 1975-09-11
CH584991A5 (fr) 1977-02-15
IT1029866B (it) 1979-03-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SPANEL A.N.

Effective date: 19850303