WO1994028669A1 - Recepteur d'appel a composition de numero - Google Patents

Recepteur d'appel a composition de numero Download PDF

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Publication number
WO1994028669A1
WO1994028669A1 PCT/US1994/006067 US9406067W WO9428669A1 WO 1994028669 A1 WO1994028669 A1 WO 1994028669A1 US 9406067 W US9406067 W US 9406067W WO 9428669 A1 WO9428669 A1 WO 9428669A1
Authority
WO
WIPO (PCT)
Prior art keywords
telephone number
pager
dtmf
user
dialing
Prior art date
Application number
PCT/US1994/006067
Other languages
English (en)
Inventor
Pascal Dornier
Original Assignee
Oakleigh Systems, 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 Oakleigh Systems, Inc. filed Critical Oakleigh Systems, Inc.
Publication of WO1994028669A1 publication Critical patent/WO1994028669A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/0035—User-machine interface; Control console
    • H04N1/00405—Output means
    • H04N1/00408—Display of information to the user, e.g. menus
    • H04N1/00411—Display of information to the user, e.g. menus the display also being used for user input, e.g. touch screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/02—Telephonic communication systems specially adapted for combination with other electrical systems with bell or annunciator systems
    • H04M11/022—Paging systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42314—Systems providing special services or facilities to subscribers in private branch exchanges
    • H04M3/42323—PBX's with CTI arrangements

Definitions

  • the present invention is in the area of paging systems and pertains in particular to the portable receiving units called pagers that are carried by users to alert them someone has called them.
  • Pagers Portable receiving units, termed “pagers” and sometimes “beepers” in the art, alert users that someone is trying to reach them on the telephone. Pagers are most popular among salespersons, tradespersons, and messengers but also are heavily used by doctors, lawyers, and other professionals who are away from their telephones but need to stay in touch with clients.
  • Pager devices are typically battery-powered with electronic calculator-type, integrated transistor circuitry.
  • a user subscribes to a paging service that provides local, regional, and/or nationwide network coverage.
  • the paging service receives a page call from some single source, such as a satellite telecommunications network or leased telephone line transmission, and instantly broadcasts the paging signal from a number of radio-frequency transmitters in the subscription area.
  • the radio signal is received by the pager through a miniature antenna inside the device and demodulated to digital form by the pager's circuitry.
  • the pager alerts the user with a blinking light, beep, chime and/or vibrational signal that a call has been received.
  • the pager then typically conveys the message through a small liquid crystal display (LCD) through which a numeric message (the caller's telephone number) or an alphanumeric message (words and numbers, such as "CALL OFFICE BEFORE 5 PM") is displayed.
  • LCD liquid crystal display
  • the LCD display is convenient for the user, who needs to know the number of the party that called and/or the caller's message.
  • One drawback is that LCD displays are expensive and bulky.
  • the desire of manufacturers to follow the trend to miniaturization in a highly competitive market has led to the creation of a "tonal" pager.
  • the tonal pager is so small it can be built into a wristwatch, an example being the Piepser watch/pager marketed by a joint venture between BellSouth MobileComm and Swatch Watch Co.
  • the small size is possible because the tonal pager does not have an LCD display as a user interface. Instead of an LCD display the tonal pager outputs distinctive audio tones to identify the caller.
  • the Piepser pager is capable of receiving signals from a limited list of telephone numbers, typically no more than four. Each of these telephone numbers is preassigned a unique tone identifier, for instance, one beep will identify one particular caller, two beeps, another, and so on. By prearrangement the user knows the telephone number to call for each tone identifier.
  • a voice pager that dials the number to be called and/or that speaks the number to be called has great utility for vision-impaired people.
  • a dialing pager comprising an antenna means for receiving a paging radio signal which includes a telephone number for a user to call, a demodulator for converting the received radio signal to a digital form, a CPU means configured for managing the functions of the pager, memory means for storing the digital form of the received radio signal, and DTMF generation means for producing DTMF signals.
  • a bus communication means linking the demodulator means, the CPU means, the RAM, and the DTMF generation means.
  • an activation means operable by a user is provided for initiating retrieval of the stored form of the received signal and for providing the telephone number to the DTMF generation means for conversion into a string of corresponding DTMF tones.
  • a speaker connected to the DTMF generation means provides audible DTMF tones corresponding to the telephone number for dialing the telephone number.
  • dialing pager of the present invention After receiving a page, one need only hold the pager proximate a telephone mouthpiece and key a playback button to initiate the DTMF string to dial the phone.
  • a display in this embodiment is not needed, and the size and cost of the unit is minimized while retaining the full function of conventional pagers.
  • a display is provided so a user can check the callback number before initiating the callback, and in some embodiments a voice synthesizer is provided to speak the callback number to the user.
  • the pager of the invention is configured to receive, store, and playback alphanumeric messages combined with the ability to auto-dial calls with the DTMF generation elements.
  • Fig. 1A is a front view of a dialing pager according to an embodiment of the present invention.
  • Fig. IB is a diagram of internal elements of the dialing pager of Fig. 1A.
  • Fig. 2A is a front view of a dialing pager according to an alternative embodiment of the present invention.
  • Fig. 2B is a diagram of internal elements of the dialing pager of Fig. 2A.
  • Fig. 3A is a front view of a dialing pager according to another alternative embodiment of the present invention.
  • Fig. 3B is a diagram of internal elements of the dialing pager of Fig. 3A.
  • Fig. 4A is a front view of yet another alternative embodiment of the present invention.
  • Fig. 4B is a diagram of internal elements of the dialing pager of Fig. 4A.
  • Dual Tone Multi-Frequency (DTMF) audio signals are used in state-of-the-art telephone systems for activating switching equipment to route telephone calls.
  • Touchtone key pads on a standard pushbutton telephone activate DTMF signals that dial telephone numbers.
  • Touchtone is trademarked by the American Telephone and Motorola Company.
  • Some telephones and specialized electronic devices have four additional keys, designated A, B, C, and D.
  • the DTMF system of touchtone dialing uses internationally standardized combinations of frequencies.
  • Table 1 is a matrix showing the high and low frequency pair, in Hz, required for each of the 16 characters in a full key pad configuration.
  • Each character from the touchtone keypad is represented by a dual set of audio frequency signals, which when transmitted together are recognized by other electronic equipment as the unique representation of the keypad character.
  • voice synthesis is based on "concatenation," a juxtaposition of stored signals for each vocabulary item.
  • the "digitized voice” synthesis system stores the concatenated human utterances of desired words or phrases.
  • the digitized voice system works fine for numbers and a few pat phrases.
  • the present invention provides a tonal-type pager to receive calls from an unlimited number of parties and to automatically dial return calls without requiring a physical signal connection between pager and telephone equipment.
  • Fig. 1A is a front view of a dialing pager 11 according to an embodiment of the present invention.
  • the dialing pager device in this embodiment is miniaturized, approximately the size of a wristwatch, but could vary in other embodiments in shape and size dependent on marketing applications.
  • External elements include a pager on/off switch 15, a call replay button 19, a speaker 21, and a speaker volume control dial 17.
  • a buzzer is incorporated as a signal element to alert a user that a page has been received.
  • the internal elements in this embodiment are diagrammed in Fig. IB.
  • an antenna 12 for receiving radio signals includes, but are not limited to, an antenna 12 for receiving radio signals, a demodulator 14 for converting the incoming radio signal to a digital representation, central processing unit (CPU) 16, random access memory (RAM) 18, and a tonal generator 20, configured to operate a speaker 21 to produce audible DTMF signals.
  • the digital units communicate on an internal bus 22, and coin cell battery (not shown) powers the device.
  • the buzzer if one is used, on-off switch, replay button, and volume control are not shown in the diagram, but are connected to the other internal elements in a conventional manner.
  • the radio signal When a call is received the radio signal is demodulated by demodulator 14 and the CPU, guided by control routines, causes a beep signal to be issued from the speaker, or an alternative buzzer to operate, to alert the user to the receipt of a call.
  • the user to make the callback, holds the pager so speaker 21 is proximate a telephone receiver 23, and keys replay button 19.
  • the CPU in response activates generator 20 to output DTMF signals corresponding to the number to be called through speaker 21.
  • the DTMF signals are the same as those produced from a standard twelve-button touch-tone telephone key pad (see description under "Background of the Invention").
  • This unique and innovative use of the DTMF feature provides "on-the-road" pager users with a automated dial capability to conveniently call back from any telephone connected to DTMF activated switching equipment.
  • Fig. 2A is a front view of an alternative embodiment 25 of a dialing pager similar to the tonal-only pager described in Fig. 1A, comprising additionally a voice synthesizer to "speak" the callback number to the user.
  • the unit may be configured to relate the callback telephone number to a caller's name, and speak the caller's name instead of the number.
  • the Fig. 2A embodiment allows the user to select between tonal and voice modes of output.
  • the tonal mode produces DTMF signals as its output and comprises an on-off switch 29, a volume control 31, a replay button 33, and a speaker 34.
  • the voice mode announces the calling number or the caller's name with a human-sounding, synthesized voice.
  • the tonal and voice modes use the same speaker 34.
  • the internal elements of this embodiment comprise an antenna 36, a demodulator 37, a CPU 39, RAM 41, a DTMF generator 43, a bus structure 45 and a speech synthesizer section 47.
  • the synthesizer section comprises in this embodiment a digital-to analog converter, low-pass filter, synthesizer algorithms and read-only memory to store synthesis data, all of which is conventional to speech synthesis, and not shown in Fig. 2B. Any of the human voice-based synthesizer systems, "digitized voice,” or “parameterized,” or “phonemic,” are suitable for this embodiment.
  • the on-off switch, replay button, volume control, and voice/DTMF selector are not shown in the diagram, but are connected to the other internal elements in a conventional manner.
  • Fig. 3A shows yet another embodiment 49 of the invention having an LCD display 51 to provide the user with a visual interface as well as DTMF dialing capability.
  • Other external elements in the embodiment of Fig. 3A comprise on-off selector 55, volume control 57, replay button 59, and speaker 60.
  • the internal elements in this embodiment are diagrammed in Fig. 3B, and comprise an antenna 61, a demodulator 63, a CPU 65, RAM 67, DTMF generator 69, and bus structure 71.
  • the on-off switch, replay button, and volume control are not shown in the diagram, but are connected to the other internal elements in a conventional manner.
  • This embodiment provides all the features of a conventional pager plus the ability to dial the phone without a direct physical connection.
  • Fig. 4A shows yet another embodiment 75 integrating tonal and voice synthesis features and an LCD display.
  • the external elements comprise display 79, on-off selector 81, volume control 83, DTMF/voice output selector 85, speaker 87, and replay button 89.
  • This embodiment provides an automated dialing capability and the means to identify the caller through an optional synthesized voice message and visually on the LCD display.
  • Fig. 4B diagrams the internal elements of this embodiment, which comprise antenna 91, demodulator 93, CPU 95, RAM 97, DTMF generator 99, voice synthesizer 101, display driver 103 for driving display 79, and bus structure 105.
  • the on-off switch, volume control, DTMF/voice selector, and replay button are not shown in the diagram, but are connected to the other internal elements in a conventional manner.
  • alphanumeric data may be received, stored, recalled, and displayed, whereby a user may receive messages, combined with the ability to switch phone dialing equipment with DTMF signals.
  • message capability a somewhat larger display and additional control routines are required.
  • voice synthesizer option to the dialing pager.
  • LCD display to the dialing pager while another combines an LCD display and voice synthesizer option with the dialing pager.
  • alerting a user that a page has been received such as buzzer or vibrator (tactile alert), or a tone from the speaker, and these features may be embodied in other embodiments of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Unité de réception d'appel (75), équipée d'un moyen permettant de convertir un numéro de téléphone reçu en un signal de sortie audible multifréquence en code 2. Ce signal est fournit par un haut parleur (87), que l'on place à proximité du microphone d'un téléphone (23), permettant ainsi de composer le numéro voulu en réponse à l'appel reçu. L'unité possède un sélecteur (89) que l'utilisateur peut actionner pour initialiser le signal de sortie multifréquence en code 2. Certaines réalisations sont pourvues d'un synthétiseur de paroles, d'autres d'un dispositif d'affichage (79) et d'autres encore combinent les deux dispositifs. Enfin, il existe des modes de réalisations pouvant recevoir, stocker et reproduire des messages alphanumériques.
PCT/US1994/006067 1993-05-25 1994-05-24 Recepteur d'appel a composition de numero WO1994028669A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6690293A 1993-05-25 1993-05-25
US08/066,902 1993-05-25

Publications (1)

Publication Number Publication Date
WO1994028669A1 true WO1994028669A1 (fr) 1994-12-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2739993A1 (fr) * 1995-10-13 1997-04-18 Ediradio Procede d'etablissement d'une liaison telephonique entre un auditeur de media de radiodiffusion et un centre de reception d'appels associe au media
US8689271B2 (en) 2001-02-14 2014-04-01 The Directv Group, Inc. Internet service provider callback for satellite systems

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490579A (en) * 1983-04-15 1984-12-25 Vanig Godoshian Auto-dialing pager receiver
US4769642A (en) * 1985-12-31 1988-09-06 Motorola, Inc. Paging receiver with LPC speech synthesizer
US5054051A (en) * 1990-01-31 1991-10-01 At&E Corporation Autodial from database in an electronic wristwatch
US5099507A (en) * 1988-09-20 1992-03-24 Casio Computer Co., Ltd. Auto-dialing apparatus and auto-dialing type paging receiver including improved calling functions

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490579A (en) * 1983-04-15 1984-12-25 Vanig Godoshian Auto-dialing pager receiver
US4769642A (en) * 1985-12-31 1988-09-06 Motorola, Inc. Paging receiver with LPC speech synthesizer
US5099507A (en) * 1988-09-20 1992-03-24 Casio Computer Co., Ltd. Auto-dialing apparatus and auto-dialing type paging receiver including improved calling functions
US5054051A (en) * 1990-01-31 1991-10-01 At&E Corporation Autodial from database in an electronic wristwatch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2739993A1 (fr) * 1995-10-13 1997-04-18 Ediradio Procede d'etablissement d'une liaison telephonique entre un auditeur de media de radiodiffusion et un centre de reception d'appels associe au media
US8689271B2 (en) 2001-02-14 2014-04-01 The Directv Group, Inc. Internet service provider callback for satellite systems

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