IT1167392B - Circuito elettronico perfezionato di ripristino d'attesa - Google Patents

Circuito elettronico perfezionato di ripristino d'attesa

Info

Publication number
IT1167392B
IT1167392B IT23866/83A IT2386683A IT1167392B IT 1167392 B IT1167392 B IT 1167392B IT 23866/83 A IT23866/83 A IT 23866/83A IT 2386683 A IT2386683 A IT 2386683A IT 1167392 B IT1167392 B IT 1167392B
Authority
IT
Italy
Prior art keywords
restoration
electronic circuit
perfected
perfected electronic
circuit
Prior art date
Application number
IT23866/83A
Other languages
English (en)
Other versions
IT8323866A0 (it
IT8323866A1 (it
Inventor
Gary Grantland
Hugh S Montgomery
Eduard F B Boeckmann
Larry A Woodworth
Original Assignee
Gte Automatic Electric 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 Gte Automatic Electric Inc filed Critical Gte Automatic Electric Inc
Publication of IT8323866A0 publication Critical patent/IT8323866A0/it
Publication of IT8323866A1 publication Critical patent/IT8323866A1/it
Application granted granted Critical
Publication of IT1167392B publication Critical patent/IT1167392B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/80—Telephone line holding circuits
    • 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
    • H04M3/428—Arrangements for placing incoming calls on hold
    • H04M3/4283—Call holding circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Electronic Switches (AREA)
  • Interface Circuits In Exchanges (AREA)
IT23866/83A 1982-11-26 1983-11-24 Circuito elettronico perfezionato di ripristino d'attesa IT1167392B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/444,760 US4447674A (en) 1982-11-26 1982-11-26 Electronic hold release circuit

Publications (3)

Publication Number Publication Date
IT8323866A0 IT8323866A0 (it) 1983-11-24
IT8323866A1 IT8323866A1 (it) 1985-05-24
IT1167392B true IT1167392B (it) 1987-05-13

Family

ID=23766236

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23866/83A IT1167392B (it) 1982-11-26 1983-11-24 Circuito elettronico perfezionato di ripristino d'attesa

Country Status (4)

Country Link
US (1) US4447674A (it)
BE (1) BE898306A (it)
CA (1) CA1205229A (it)
IT (1) IT1167392B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4517414A (en) * 1983-12-12 1985-05-14 Gte Communication Systems Corp. Hookswitch bounce resistant telephone hold-mute circuit
US4899381A (en) * 1989-04-07 1990-02-06 Gte Hawaiian Telephone Company Incorporated Single-line telephone hold circuit
US5499785A (en) * 1994-09-15 1996-03-19 The Boeing Company Autojettison method and apparatus for dual-point suspension systems
US6061445A (en) * 1997-09-15 2000-05-09 Conexant Systems, Inc. Surge protection data access arrangement (DAA)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001520A (en) * 1975-02-20 1977-01-04 Waldman Herbert H Hold circuit for telephones
US4011413A (en) * 1976-01-12 1977-03-08 Gimix, Inc. Hold circuit for telephone
US4093829A (en) * 1977-03-14 1978-06-06 Silberman Robert L Single line telephone hold circuit
US4258232A (en) * 1978-11-06 1981-03-24 Tone Commander Systems, Inc. Line hold circuits
US4365117A (en) * 1980-08-07 1982-12-21 Curtis William A Telephone hold circuit
US4394543A (en) * 1981-06-04 1983-07-19 Lear Siegler, Inc. Telephone line holding circuit
US4387274A (en) * 1981-06-15 1983-06-07 Gti Corporation Hook flash signal actuated telephone control device
US4394544A (en) * 1981-11-09 1983-07-19 Gte Automatic Electric Labs Inc. Line circuit for multiple line telephone

Also Published As

Publication number Publication date
BE898306A (fr) 1984-03-16
CA1205229A (en) 1986-05-27
IT8323866A0 (it) 1983-11-24
IT8323866A1 (it) 1985-05-24
US4447674A (en) 1984-05-08

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