BE783979A - SPEECH-CONTROLLED SWITCHING DEVICE - Google Patents

SPEECH-CONTROLLED SWITCHING DEVICE

Info

Publication number
BE783979A
BE783979A BE783979A BE783979A BE783979A BE 783979 A BE783979 A BE 783979A BE 783979 A BE783979 A BE 783979A BE 783979 A BE783979 A BE 783979A BE 783979 A BE783979 A BE 783979A
Authority
BE
Belgium
Prior art keywords
speech
switching device
controlled switching
controlled
switching
Prior art date
Application number
BE783979A
Other languages
French (fr)
Original Assignee
Compur Werk Gmbh & Co
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
Priority claimed from DE19712100522 external-priority patent/DE2100522C/en
Priority claimed from DE19712128516 external-priority patent/DE2128516C3/en
Application filed by Compur Werk Gmbh & Co filed Critical Compur Werk Gmbh & Co
Publication of BE783979A publication Critical patent/BE783979A/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
    • H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system
BE783979A 1971-01-07 1972-05-25 SPEECH-CONTROLLED SWITCHING DEVICE BE783979A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712100522 DE2100522C (en) 1971-01-07 Voice-controlled switching device for recording devices, in particular for telephone answering machines
DE19712128516 DE2128516C3 (en) 1971-06-08 1971-06-08 Voice-controlled switching device

Publications (1)

Publication Number Publication Date
BE783979A true BE783979A (en) 1972-09-18

Family

ID=25760483

Family Applications (1)

Application Number Title Priority Date Filing Date
BE783979A BE783979A (en) 1971-01-07 1972-05-25 SPEECH-CONTROLLED SWITCHING DEVICE

Country Status (12)

Country Link
US (1) US3873772A (en)
AR (1) AR193051A1 (en)
AU (1) AU445513B2 (en)
BE (1) BE783979A (en)
CA (1) CA953834A (en)
CH (1) CH534462A (en)
FI (1) FI57503C (en)
GB (1) GB1348724A (en)
IT (1) IT962068B (en)
NL (1) NL160457C (en)
NO (1) NO131147C (en)
SE (1) SE371733B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022989A (en) * 1976-06-28 1977-05-10 Bell Telephone Laboratories, Incorporated Telephone receiver-off-hook-and-in-use detector
CH633903A5 (en) * 1978-09-26 1982-12-31 Feller Ag VOICE SWITCH FOR A DEVICE TO BE CONNECTED TO A TELEPHONE LINE.
GB2139052A (en) * 1983-04-20 1984-10-31 Philips Electronic Associated Apparatus for distinguishing between speech and certain other signals
US4667065A (en) * 1985-02-28 1987-05-19 Bangerter Richard M Apparatus and methods for electrical signal discrimination
US4764966A (en) * 1985-10-11 1988-08-16 International Business Machines Corporation Method and apparatus for voice detection having adaptive sensitivity
US4742537A (en) * 1986-06-04 1988-05-03 Electronic Information Systems, Inc. Telephone line monitoring system
US5022071A (en) * 1987-10-21 1991-06-04 Electronic Speech Systems Two-way voice & digital data analyzer for telephones
JPH01261071A (en) * 1988-04-12 1989-10-18 Retsutsu Corp:Kk Terminal switching controller
US5333179A (en) * 1988-04-23 1994-07-26 Murata Kikai Kabushiki Kaisha Facsimile apparatus with automatic answering telephone function
US5267301A (en) * 1988-06-29 1993-11-30 Canon Kabushiki Kaisha Data communication apparatus and method capable of discriminating calling stations
DE69229584T2 (en) * 1991-08-30 2000-07-20 Texas Instruments Inc Telephone signal classification and method and system for telephone message delivery
GB2303471B (en) * 1995-07-19 2000-03-22 Olympus Optical Co Voice activated recording apparatus
US20090245487A1 (en) * 2008-03-30 2009-10-01 William Jockusch Device for Alerting a Telephone Caller When a Live Person is Reached

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2354176A (en) * 1942-12-21 1944-07-18 Alfred N Goldsmith Automatic reverberation control
US2761897A (en) * 1951-11-07 1956-09-04 Jones Robert Clark Electronic device for automatically discriminating between speech and music forms
US3133992A (en) * 1958-10-13 1964-05-19 Matthew C Dickman Automatic answering, recording and reproducing machine
US3433897A (en) * 1964-09-24 1969-03-18 Bell Telephone Labor Inc Voice operated control circuit
CA934890A (en) * 1969-12-29 1973-10-02 Konno Akira Timer circuit of an automatic telephone answering apparatus
JPS5015523B1 (en) * 1970-04-08 1975-06-05
US3688126A (en) * 1971-01-29 1972-08-29 Paul R Klein Sound-operated, yes-no responsive switch

Also Published As

Publication number Publication date
NL7114424A (en) 1972-07-11
CA953834A (en) 1974-08-27
IT962068B (en) 1973-12-20
AR193051A1 (en) 1973-03-30
FI57503B (en) 1980-04-30
NO131147C (en) 1975-04-09
US3873772A (en) 1975-03-25
AU445513B2 (en) 1974-02-21
GB1348724A (en) 1974-03-20
NL160457B (en) 1979-05-15
AU3456671A (en) 1973-04-19
NO131147B (en) 1974-12-30
CH534462A (en) 1973-02-28
NL160457C (en) 1979-10-15
FI57503C (en) 1980-08-11
SE371733B (en) 1974-11-25

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: COMPUTER ELECTRONIC G.M.B.H.

Effective date: 19870531