GB2113044B - Telephone ringing signal generation - Google Patents

Telephone ringing signal generation

Info

Publication number
GB2113044B
GB2113044B GB08136509A GB8136509A GB2113044B GB 2113044 B GB2113044 B GB 2113044B GB 08136509 A GB08136509 A GB 08136509A GB 8136509 A GB8136509 A GB 8136509A GB 2113044 B GB2113044 B GB 2113044B
Authority
GB
United Kingdom
Prior art keywords
signal generation
ringing signal
telephone ringing
telephone
generation
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
Application number
GB08136509A
Other versions
GB2113044A (en
Inventor
Anthony William Sweet
Michael Philip Dyer
David Nyman
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08136509A priority Critical patent/GB2113044B/en
Priority to AU91002/82A priority patent/AU558417B2/en
Priority to NZ202666A priority patent/NZ202666A/en
Publication of GB2113044A publication Critical patent/GB2113044A/en
Application granted granted Critical
Publication of GB2113044B publication Critical patent/GB2113044B/en
Priority to SG421/87A priority patent/SG42187G/en
Priority to HK758/87A priority patent/HK75887A/en
Expired 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
    • H04M19/026—Arrangements for interrupting the ringing current
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB08136509A 1981-12-03 1981-12-03 Telephone ringing signal generation Expired GB2113044B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB08136509A GB2113044B (en) 1981-12-03 1981-12-03 Telephone ringing signal generation
AU91002/82A AU558417B2 (en) 1981-12-03 1982-11-30 Ringing signal generator
NZ202666A NZ202666A (en) 1981-12-03 1982-12-01 Subscriber's line circuit:supply and control of ringing current to line
SG421/87A SG42187G (en) 1981-12-03 1987-05-07 Telephone ringing signal generation
HK758/87A HK75887A (en) 1981-12-03 1987-10-15 Telephone ringing signal generation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08136509A GB2113044B (en) 1981-12-03 1981-12-03 Telephone ringing signal generation

Publications (2)

Publication Number Publication Date
GB2113044A GB2113044A (en) 1983-07-27
GB2113044B true GB2113044B (en) 1985-05-01

Family

ID=10526358

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08136509A Expired GB2113044B (en) 1981-12-03 1981-12-03 Telephone ringing signal generation

Country Status (5)

Country Link
AU (1) AU558417B2 (en)
GB (1) GB2113044B (en)
HK (1) HK75887A (en)
NZ (1) NZ202666A (en)
SG (1) SG42187G (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3189054B2 (en) * 1991-05-07 2001-07-16 富士通株式会社 Subscriber device
DE4207985A1 (en) * 1992-03-13 1993-09-16 Sel Alcatel Ag METHOD AND CIRCUIT FOR TRANSMITTING DIGITAL SIGNALS OVER SUBSCRIBER LINES
SE506296C2 (en) * 1995-12-01 1997-12-01 Ericsson Telefon Ab L M Method and apparatus for generating a ring signal
US6167135A (en) * 1995-12-01 2000-12-26 Telefonaktiebolaget Lm Ericsson Method and apparatus for generating a ringing signal
DE10240815B4 (en) * 2002-08-30 2006-02-23 Infineon Technologies Ag Method for setting a call signal stream in a subscriber line and circuit arrangement

Also Published As

Publication number Publication date
GB2113044A (en) 1983-07-27
SG42187G (en) 1987-07-17
AU9100282A (en) 1983-06-09
AU558417B2 (en) 1987-01-29
HK75887A (en) 1987-10-23
NZ202666A (en) 1985-10-11

Similar Documents

Publication Publication Date Title
GB2111800B (en) Telephone sets
GB2102249B (en) Telephone line circuit
GB2107554B (en) Telephone line circuit
DE3274509D1 (en) Telephone line circuit
IT1176152B (en) TELEPHONE CALL SIGNAL GENERATOR
JPS572150A (en) Electron ringing unit
GB2113044B (en) Telephone ringing signal generation
DE3264570D1 (en) Telephone set
EP0073462A3 (en) Subscriber line circuit
DE3362810D1 (en) Ringing signal generator
JPS56114467A (en) Digital tone ringing unit
GB2107153B (en) Telephone autodiallers
GB2105946B (en) Telephone
IE822869L (en) Telephone ringing signal generation
GB2082018B (en) Telephone sounder
GB2081486B (en) Telephone bell assembly
GB2098429B (en) Electronic tone ringer
AU91335S (en) Telephone set
GB2101451B (en) Telephone instrument
GB2106748B (en) Telephone transducers
CA48920S (en) Telephone handset
GB8400432D0 (en) Improved telephone
KR850000213Y1 (en) Telephone receiver
PL234461A1 (en) Telephone set
AU84771S (en) telephone

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee