NL160457B - TALK-CONTROLLED SWITCHING DEVICE FOR RECORDING DEVICES, ESPECIALLY FOR TELEPHONE ANSWERS. - Google Patents

TALK-CONTROLLED SWITCHING DEVICE FOR RECORDING DEVICES, ESPECIALLY FOR TELEPHONE ANSWERS.

Info

Publication number
NL160457B
NL160457B NL7114424.A NL7114424A NL160457B NL 160457 B NL160457 B NL 160457B NL 7114424 A NL7114424 A NL 7114424A NL 160457 B NL160457 B NL 160457B
Authority
NL
Netherlands
Prior art keywords
talk
switching device
recording devices
controlled switching
telephone answers
Prior art date
Application number
NL7114424.A
Other languages
Dutch (nl)
Other versions
NL7114424A (en
NL160457C (en
Original Assignee
Compur Electronic Gmbh
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 Electronic Gmbh filed Critical Compur Electronic Gmbh
Publication of NL7114424A publication Critical patent/NL7114424A/xx
Publication of NL160457B publication Critical patent/NL160457B/en
Application granted granted Critical
Publication of NL160457C publication Critical patent/NL160457C/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Crushing And Grinding (AREA)
  • Noise Elimination (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Telephonic Communication Services (AREA)
NL7114424.A 1971-01-07 1971-10-20 TALK-CONTROLLED SWITCHING DEVICE FOR RECORDING DEVICES, ESPECIALLY FOR TELEPHONE ANSWERS. NL160457C (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 (3)

Publication Number Publication Date
NL7114424A NL7114424A (en) 1972-07-11
NL160457B true NL160457B (en) 1979-05-15
NL160457C NL160457C (en) 1979-10-15

Family

ID=25760483

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7114424.A NL160457C (en) 1971-01-07 1971-10-20 TALK-CONTROLLED SWITCHING DEVICE FOR RECORDING DEVICES, ESPECIALLY FOR TELEPHONE ANSWERS.

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
EP0530645B1 (en) * 1991-08-30 1999-07-14 Texas Instruments Incorporated Telephone signal classification and phone message delivery method and system
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
GB1335999A (en) * 1969-12-29 1973-10-31 Pioneer Electronic Corp Timer cirucit 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
NO131147B (en) 1974-12-30
BE783979A (en) 1972-09-18
FI57503C (en) 1980-08-11
CH534462A (en) 1973-02-28
AU3456671A (en) 1973-04-19
IT962068B (en) 1973-12-20
US3873772A (en) 1975-03-25
AR193051A1 (en) 1973-03-30
FI57503B (en) 1980-04-30
AU445513B2 (en) 1974-02-21
GB1348724A (en) 1974-03-20
SE371733B (en) 1974-11-25
NO131147C (en) 1975-04-09
CA953834A (en) 1974-08-27
NL7114424A (en) 1972-07-11
NL160457C (en) 1979-10-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: COMPUR-ELECTR