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AR229828A1 - Aparato para decodificar informacion de audiofrecuencia enviada por discado desde un aparato telefonico llamante durante el periodo de conferencia establecida con un aparato telefonico o llamado - Google Patents

Aparato para decodificar informacion de audiofrecuencia enviada por discado desde un aparato telefonico llamante durante el periodo de conferencia establecida con un aparato telefonico o llamado

Info

Publication number
AR229828A1
AR229828A1 AR288969A AR28896982A AR229828A1 AR 229828 A1 AR229828 A1 AR 229828A1 AR 288969 A AR288969 A AR 288969A AR 28896982 A AR28896982 A AR 28896982A AR 229828 A1 AR229828 A1 AR 229828A1
Authority
AR
Argentina
Prior art keywords
calling
telephone device
dial
audio frequency
information sent
Prior art date
Application number
AR288969A
Other languages
English (en)
Original Assignee
Marenca S A
Castro Marcelo
Castro Horacio
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 Marenca S A, Castro Marcelo, Castro Horacio filed Critical Marenca S A
Priority to AR288969A priority Critical patent/AR229828A1/es
Priority to US06/479,026 priority patent/US4618742A/en
Application granted granted Critical
Publication of AR229828A1 publication Critical patent/AR229828A1/es
Priority to US06/833,275 priority patent/US4771450A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/066—Telephone sets adapted for data transmision
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Function (AREA)
AR288969A 1982-03-31 1982-03-31 Aparato para decodificar informacion de audiofrecuencia enviada por discado desde un aparato telefonico llamante durante el periodo de conferencia establecida con un aparato telefonico o llamado AR229828A1 (es)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AR288969A AR229828A1 (es) 1982-03-31 1982-03-31 Aparato para decodificar informacion de audiofrecuencia enviada por discado desde un aparato telefonico llamante durante el periodo de conferencia establecida con un aparato telefonico o llamado
US06/479,026 US4618742A (en) 1982-03-31 1983-03-25 Method and apparatus for decoding audiofrequency information sent through rotary dialing
US06/833,275 US4771450A (en) 1982-03-31 1986-02-27 Method and apparatus for converting rotary signals to audiofrequency signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AR288969A AR229828A1 (es) 1982-03-31 1982-03-31 Aparato para decodificar informacion de audiofrecuencia enviada por discado desde un aparato telefonico llamante durante el periodo de conferencia establecida con un aparato telefonico o llamado

Publications (1)

Publication Number Publication Date
AR229828A1 true AR229828A1 (es) 1983-11-30

Family

ID=3476831

Family Applications (1)

Application Number Title Priority Date Filing Date
AR288969A AR229828A1 (es) 1982-03-31 1982-03-31 Aparato para decodificar informacion de audiofrecuencia enviada por discado desde un aparato telefonico llamante durante el periodo de conferencia establecida con un aparato telefonico o llamado

Country Status (2)

Country Link
US (1) US4618742A (es)
AR (1) AR229828A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2214384A (en) * 1988-01-04 1989-08-31 Lam Sek Wai A control system for use with a telephone system
US5050187A (en) * 1988-04-12 1991-09-17 The Furukawa Electric Co., Ltd. Communication system equipped with an AC coupling receiver circuit
EP0387953A1 (en) * 1989-03-13 1990-09-19 Smits, Johannes Hendrikus Martinus, trading under the name MACTRON ELECTRONICS Device for connecting a subscriber line to a selected internal line
US5638435A (en) * 1995-05-12 1997-06-10 Telefonaktiebolaget Lm Ericsson Impulse signal convertor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006316A (en) * 1974-08-12 1977-02-01 International Mobile Machines Corporation Code-controlled detection and function actuating system
US4121053A (en) * 1977-05-05 1978-10-17 Dick William J Telephone command apparatus
US4446339A (en) * 1982-04-26 1984-05-01 International Mobile Machines Corporation Rotary dial decoder

Also Published As

Publication number Publication date
US4618742A (en) 1986-10-21

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