DE3483326D1 - Verfahren und geraet zur erzeugung von wahltoenen. - Google Patents

Verfahren und geraet zur erzeugung von wahltoenen.

Info

Publication number
DE3483326D1
DE3483326D1 DE8484112761T DE3483326T DE3483326D1 DE 3483326 D1 DE3483326 D1 DE 3483326D1 DE 8484112761 T DE8484112761 T DE 8484112761T DE 3483326 T DE3483326 T DE 3483326T DE 3483326 D1 DE3483326 D1 DE 3483326D1
Authority
DE
Germany
Prior art keywords
selected tones
generating selected
generating
tones
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8484112761T
Other languages
English (en)
Inventor
Lawrence E Bergeron
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intel Corp
Original Assignee
Wang Laboratories Inc
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 Wang Laboratories Inc filed Critical Wang Laboratories Inc
Application granted granted Critical
Publication of DE3483326D1 publication Critical patent/DE3483326D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • 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
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
    • H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
  • Devices For Supply Of Signal Current (AREA)
DE8484112761T 1984-06-29 1984-10-23 Verfahren und geraet zur erzeugung von wahltoenen. Expired - Fee Related DE3483326D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/625,934 US4644476A (en) 1984-06-29 1984-06-29 Dialing tone generation

Publications (1)

Publication Number Publication Date
DE3483326D1 true DE3483326D1 (de) 1990-10-31

Family

ID=24508242

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484112761T Expired - Fee Related DE3483326D1 (de) 1984-06-29 1984-10-23 Verfahren und geraet zur erzeugung von wahltoenen.

Country Status (5)

Country Link
US (1) US4644476A (de)
EP (1) EP0166810B1 (de)
AU (1) AU575085B2 (de)
CA (1) CA1224893A (de)
DE (1) DE3483326D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4979171A (en) * 1989-05-03 1990-12-18 Rockwell International Corporation Announcement and tone code generator for telephonic network and method
CA2044437C (en) * 1991-06-12 1995-04-04 Dan R.F. Oprea Digitally controlled ringer signal generation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB937434A (en) * 1959-02-24 1963-09-18 Nippon Electric Co A vowel synthesizer
US3158685A (en) * 1961-05-04 1964-11-24 Bell Telephone Labor Inc Synthesis of speech from code signals
US3746791A (en) * 1971-06-23 1973-07-17 A Wolf Speech synthesizer utilizing white noise
GB1525330A (en) * 1975-12-26 1978-09-20 Tanidenki Kogyo Kk Transmit-receive switching signal generator for radio telephone equipment
US4349704A (en) * 1979-12-31 1982-09-14 Bell Telephone Laboratories, Incorporated Digital multifrequency signal generator
EP0036559A1 (de) * 1980-03-26 1981-09-30 Texas Instruments Incorporated Elektronisches Leselerngerät
FI66268C (fi) * 1980-12-16 1984-09-10 Euroka Oy Moenster och filterkoppling foer aotergivning av akustisk ljudvaeg anvaendningar av moenstret och moenstret tillaempandetalsyntetisator
CA1194245A (en) * 1981-08-03 1985-09-24 Gerald P. Labedz Multi-tone signal generator
JPS5870296A (ja) * 1981-10-22 1983-04-26 シャープ株式会社 音を発する電子機器用の集積回路
AU9093582A (en) * 1982-11-26 1983-03-03 Sites Alive Pty. Ltd. Speech generating device
US4558181A (en) * 1983-04-27 1985-12-10 Phonetics, Inc. Portable device for monitoring local area

Also Published As

Publication number Publication date
AU3457684A (en) 1986-01-02
EP0166810A2 (de) 1986-01-08
EP0166810B1 (de) 1990-09-26
CA1224893A (en) 1987-07-28
EP0166810A3 (en) 1988-07-13
AU575085B2 (en) 1988-07-21
US4644476A (en) 1987-02-17

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: WUESTHOFF, F., DR.-ING. FRHR. VON PECHMANN, E., DIPL.-CHEM. DR.RER.NAT. BEHRENS, D., DR.-ING. GOETZ, R., DIPL.-ING. DIPL.-WIRTSCH.-ING. HELLFELD VON, A., DIPL.-PHYS. DR.RER.NAT. BRANDES, J., DIPL.-CHEM. DR.RER.NAT., PAT.-ANWAELTE WUERTENBERGER, G., RECHTSANW., 8000 MUENCHEN

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: WANG LABORATORIES, INC., BILLERICA, MASS., US

8327 Change in the person/name/address of the patent owner

Owner name: INTEL CORP. (N.D.GES.D.STAATES DELAWARE), SANTA CL

8328 Change in the person/name/address of the agent

Free format text: ZENZ, HELBER, HOSBACH & PARTNER, 45128 ESSEN

8339 Ceased/non-payment of the annual fee