NL7806549A - Telefoonaanpassingsinrichting. - Google Patents

Telefoonaanpassingsinrichting.

Info

Publication number
NL7806549A
NL7806549A NL7806549A NL7806549A NL7806549A NL 7806549 A NL7806549 A NL 7806549A NL 7806549 A NL7806549 A NL 7806549A NL 7806549 A NL7806549 A NL 7806549A NL 7806549 A NL7806549 A NL 7806549A
Authority
NL
Netherlands
Prior art keywords
telephone
adjustment device
adjustment
telephone adjustment
Prior art date
Application number
NL7806549A
Other languages
English (en)
Dutch (nl)
Original Assignee
Spanel Abram Nathaniel
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 Spanel Abram Nathaniel filed Critical Spanel Abram Nathaniel
Publication of NL7806549A publication Critical patent/NL7806549A/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Mobile Radio Communication Systems (AREA)
NL7806549A 1977-06-16 1978-06-16 Telefoonaanpassingsinrichting. NL7806549A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/807,104 US4115659A (en) 1977-06-16 1977-06-16 Electroacoustical telephone adapter

Publications (1)

Publication Number Publication Date
NL7806549A true NL7806549A (nl) 1978-12-19

Family

ID=25195585

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7806549A NL7806549A (nl) 1977-06-16 1978-06-16 Telefoonaanpassingsinrichting.

Country Status (21)

Country Link
US (1) US4115659A (es)
JP (1) JPS605101B2 (es)
AR (1) AR215716A1 (es)
AU (1) AU517959B2 (es)
BE (1) BE868153A (es)
BR (1) BR7803853A (es)
CA (1) CA1105630A (es)
CH (1) CH633925A5 (es)
DE (1) DE2826345C2 (es)
DK (1) DK266778A (es)
ES (1) ES470867A1 (es)
FI (1) FI781923A (es)
FR (1) FR2394943A1 (es)
GB (1) GB2000665B (es)
MX (1) MX144953A (es)
NL (1) NL7806549A (es)
NO (1) NO150300C (es)
NZ (1) NZ187578A (es)
PT (1) PT68175A (es)
SE (1) SE430367B (es)
SG (1) SG45782G (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3009404A1 (de) * 1980-03-12 1981-09-17 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zum einstellen eines bewegbaren elektroakutischen schallwandlers
EP0050899A1 (en) * 1980-10-27 1982-05-05 CISE- Centro Informazioni Studi Esperienze S.p.A. Device for the transmission and receipt of signals through a telephone line
CA1181541A (en) * 1982-05-21 1985-01-22 Mitel Corporation Loudspeaking telephone
US4493950A (en) * 1982-12-17 1985-01-15 Lott Thomas M Loudspeaker telephone
US4497980A (en) * 1983-06-16 1985-02-05 Itt Corporation Handsfree circuit for telephone instrument
KR960008611B1 (ko) * 1986-06-30 1996-06-28 폴베스 안토니 전화보류장치
DE3843033A1 (de) * 1988-12-21 1990-06-28 Messerschmitt Boelkow Blohm Mikrofon hoher empfindlichkeit
US5491695A (en) * 1991-07-17 1996-02-13 Digital Access Corporation Means and method of dial up bridging of network for high bandwidth digital communication
US5701347A (en) * 1994-06-23 1997-12-23 Compaq Computer Corporation Audio system for a personal computer
US5633943A (en) * 1994-09-09 1997-05-27 Compaq Computer Corporation Audio system for a personal computer
US6501836B1 (en) * 1994-09-09 2002-12-31 Compaq Computer Corporation Audio system for a personal computer
US5828730A (en) 1995-01-19 1998-10-27 Sten-Tel, Inc. Method and apparatus for recording and managing communications for transcription
GB0024350D0 (en) * 2000-10-05 2000-11-22 Mitel Corp Use of handset microphone to enhance speakerphone loudspeaker performance
GB0315426D0 (en) * 2003-07-01 2003-08-06 Mitel Networks Corp Microphone array with physical beamforming using omnidirectional microphones

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2580439A (en) * 1949-09-07 1952-01-01 Bell Telephone Labor Inc Directional acoustic system
US2987575A (en) * 1955-11-10 1961-06-06 Norman L Chalfin Two way telephone handset amplifying system
US3189690A (en) * 1960-04-27 1965-06-15 Modern Telephones Great Britai Two-way telephone systems with talk-listen switching
US3725585A (en) * 1972-03-21 1973-04-03 Itt Loudspeaking telephone station circuit
DE2247097C3 (de) * 1972-09-26 1979-01-11 Siemens Ag, 1000 Berlin Und 8000 Muenchen Sprachgesteuerte Lautfernsprechanlage
DE2260401A1 (de) * 1972-12-09 1974-06-12 Zielinski Adolf Herbert Telefonadapter
US3887771A (en) * 1974-03-04 1975-06-03 Spanel Abram Nathaniel Telephone adapter
US4079196A (en) * 1976-03-16 1978-03-14 Abram Nathaniel Spanel Telephone control apparatus

Also Published As

Publication number Publication date
CH633925A5 (fr) 1982-12-31
FI781923A (fi) 1978-12-17
JPS605101B2 (ja) 1985-02-08
DK266778A (da) 1978-12-17
NO150300B (no) 1984-06-12
AU3712078A (en) 1979-05-03
SE430367B (sv) 1983-11-07
SE7806809L (sv) 1978-12-17
DE2826345C2 (de) 1984-05-17
PT68175A (en) 1978-07-01
NO782065L (no) 1978-12-19
AR215716A1 (es) 1979-10-31
US4115659A (en) 1978-09-19
AU517959B2 (en) 1981-09-03
SG45782G (en) 1983-07-08
DE2826345A1 (de) 1979-01-04
GB2000665A (en) 1979-01-10
MX144953A (es) 1981-12-04
FR2394943A1 (fr) 1979-01-12
ES470867A1 (es) 1979-02-01
BR7803853A (pt) 1979-04-10
NZ187578A (en) 1981-10-19
BE868153A (fr) 1978-12-15
CA1105630A (en) 1981-07-21
NO150300C (no) 1984-09-19
GB2000665B (en) 1982-04-21
JPS5417605A (en) 1979-02-09

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed