BE865523A - PROCEDURE FOR IMPLEMENTING A SPEECH-CONTROLLED INTERCOM - Google Patents

PROCEDURE FOR IMPLEMENTING A SPEECH-CONTROLLED INTERCOM

Info

Publication number
BE865523A
BE865523A BE186434A BE186434A BE865523A BE 865523 A BE865523 A BE 865523A BE 186434 A BE186434 A BE 186434A BE 186434 A BE186434 A BE 186434A BE 865523 A BE865523 A BE 865523A
Authority
BE
Belgium
Prior art keywords
speech
implementing
procedure
intercom
controlled
Prior art date
Application number
BE186434A
Other languages
French (fr)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BE865523A publication Critical patent/BE865523A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
BE186434A 1977-03-30 1978-03-30 PROCEDURE FOR IMPLEMENTING A SPEECH-CONTROLLED INTERCOM BE865523A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2714132A DE2714132C3 (en) 1977-03-30 1977-03-30 Circuit arrangement for a voice-controlled loudspeaker device

Publications (1)

Publication Number Publication Date
BE865523A true BE865523A (en) 1978-10-02

Family

ID=6005133

Family Applications (1)

Application Number Title Priority Date Filing Date
BE186434A BE865523A (en) 1977-03-30 1978-03-30 PROCEDURE FOR IMPLEMENTING A SPEECH-CONTROLLED INTERCOM

Country Status (6)

Country Link
AU (1) AU501638B1 (en)
BE (1) BE865523A (en)
BR (1) BR7801935A (en)
DE (1) DE2714132C3 (en)
FI (1) FI64730C (en)
IT (1) IT1093691B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027343B1 (en) * 1979-10-11 1983-05-11 The Marconi Company Limited A voice detector
DE3148305A1 (en) * 1981-12-03 1983-06-09 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin CIRCUIT ARRANGEMENT FOR A HANDS-FREE UNIT
DE3332305C2 (en) * 1983-09-07 1987-03-05 Siemens AG, 1000 Berlin und 8000 München Method for controllable attenuation of digital signals
US4715062A (en) * 1985-03-22 1987-12-22 Tie/Communications, Inc. Speakerphone control circuit having low gain states and method for controlling gain of speakerphone
DE3541794A1 (en) * 1985-11-26 1987-05-27 Siemens Ag VOICE CONTROL IN A TELEPHONE STATION
DE3728109C1 (en) * 1987-08-22 1989-03-16 Telefonbau & Normalzeit Gmbh Method for voice-controlled attenuation control in telephone transmission circuits
DE3908282A1 (en) * 1989-03-14 1990-09-20 Siemens Ag SPEAK DIRECTION DETECTION IN A DIGITAL TELEPHONE STATION
DE3908283C2 (en) * 1989-03-14 1996-04-25 Siemens Ag Control of voice-controlled speech direction recognition
DE3919345A1 (en) * 1989-06-13 1990-12-20 Siemens Ag Attenuation control circuit for hands-free telephone station - has extra second comparator, whose minus input is coupled to tap for meter value
DE4012354C2 (en) * 1990-04-18 1995-06-22 Siemens Ag Handsfree telephone station
DE19525705A1 (en) * 1995-07-14 1997-01-16 Bahram Adniazar Optical wave guide telephone set - has automatic switching within each telephone device between transmission and reception modes depending on received speech signals

Also Published As

Publication number Publication date
FI780951A (en) 1978-10-01
AU501638B1 (en) 1979-06-28
IT1093691B (en) 1985-07-26
DE2714132B2 (en) 1979-06-13
IT7821471A0 (en) 1978-03-22
BR7801935A (en) 1979-05-22
DE2714132A1 (en) 1978-10-05
DE2714132C3 (en) 1980-02-07
FI64730C (en) 1983-12-12
FI64730B (en) 1983-08-31

Similar Documents

Publication Publication Date Title
BE871163A (en) PABX FOR A TELECOMMUNICATION SYSTEM
HU177955B (en) Apparatus for predicting danger of frost on a traffic way
BE867956A (en) PROCEDURE FOR MAKING A COUPLING ELEMENT
BE856344A (en) SYSTEM FOR CONTINUOUS GAS ANALYSIS
JPS5495922A (en) Die cast apparatus
FR2448947B1 (en) STAMPING PROCESS, MACHINE AND TOOLS FOR IMPLEMENTING SAID METHOD
FR2407624B1 (en) CONFERENCE DEVICE FOR A TELECOMMUNICATIONS SYSTEM
DK103278A (en) MONITORING SYSTEM FOR A RADAR APPARATUS
BE862839A (en) RETRACT SYSTEM FOR UNDERWATER STATION
GB2005112B (en) Automatic police emergency locator system
GB1550105A (en) Apparatus for forming large compound curved surfaces
BE865523A (en) PROCEDURE FOR IMPLEMENTING A SPEECH-CONTROLLED INTERCOM
GB2068870B (en) Sampling apparatus for a production line
BE869805A (en) POWER SOURCE FOR TURNING ON A TELEVISION RECEIVER
BE853409A (en) PROCESS FOR PREPARING A CHEMICALLY-REACTING HOMOGENEOUS SYSTEM AND DEVICE FOR IMPLEMENTING THE PROCESS
DE3585595D1 (en) MONITORING DEVICE FOR MONITORING A DIGITAL SYSTEM BY MEANS OF A SYNCHRONIZATION SIGNAL.
FR2396901B1 (en) CONTROL SYSTEM FOR HYDRAULIC DRIVE MECHANICS
FR2503366B1 (en) APPARATUS FOR SAMPLING MOLTEN METAL
IT8123688A0 (en) HYDRAULIC DEVICE FOR SURVEILLANCE OF A CONNECTION.
BE870449A (en) PROCESS FOR MANUFACTURING A BOOK AND DEVICE FOR IMPLEMENTING THE PROCESS
DE3266812D1 (en) Method and device for sampling a sinusoidal signal by a frequency-multiplied signal
BE869021A (en) PROCESS FOR PRODUCING P-HYDROXYPHENYLGLYCIN
RO80731A (en) AUXILIARY DIRECTION DEVICE FOR AUTOVEHICLES
BE868316A (en) PROCEDURE FOR OBTAINING A KNITTING AND MACHINE FOR IMPLEMENTING THE PROCESS
FR2344334A1 (en) PROCESS FOR LOWERING THE ACTIVATION ENERGY USING A CONDENSER SYSTEM

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SIEMENS A.G.

Effective date: 19890331