GB8330313D0 - Delivering signal on telephone line - Google Patents

Delivering signal on telephone line

Info

Publication number
GB8330313D0
GB8330313D0 GB838330313A GB8330313A GB8330313D0 GB 8330313 D0 GB8330313 D0 GB 8330313D0 GB 838330313 A GB838330313 A GB 838330313A GB 8330313 A GB8330313 A GB 8330313A GB 8330313 D0 GB8330313 D0 GB 8330313D0
Authority
GB
United Kingdom
Prior art keywords
telephone line
delivering signal
delivering
signal
telephone
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.)
Granted
Application number
GB838330313A
Other versions
GB2130849A (en
GB2130849B (en
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.)
LAKE ELECTRONICS Ltd
Original Assignee
LAKE ELECTRONICS Ltd
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 LAKE ELECTRONICS Ltd filed Critical LAKE ELECTRONICS Ltd
Publication of GB8330313D0 publication Critical patent/GB8330313D0/en
Publication of GB2130849A publication Critical patent/GB2130849A/en
Application granted granted Critical
Publication of GB2130849B publication Critical patent/GB2130849B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB08330313A 1982-11-17 1983-11-14 Apparatus for delivering a signal on a telephone line Expired GB2130849B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IE274382A IE54008B1 (en) 1982-11-17 1982-11-17 Apparatus for delivering a signal on a telephone

Publications (3)

Publication Number Publication Date
GB8330313D0 true GB8330313D0 (en) 1983-12-21
GB2130849A GB2130849A (en) 1984-06-06
GB2130849B GB2130849B (en) 1986-09-17

Family

ID=11036296

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08330313A Expired GB2130849B (en) 1982-11-17 1983-11-14 Apparatus for delivering a signal on a telephone line

Country Status (4)

Country Link
BE (1) BE898246A (en)
GB (1) GB2130849B (en)
HK (1) HK6388A (en)
IE (1) IE54008B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IE870388L (en) * 1987-02-16 1988-08-16 Lake Electronic Tech Ringing voltage generator
JP2912062B2 (en) * 1991-08-22 1999-06-28 キヤノン株式会社 Image communication device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB919427A (en) * 1961-09-14 1963-02-27 Automatic Telephone & Elect Improvements in or relating to alternating current generators
GB921680A (en) * 1961-12-18 1963-03-20 Mullard Ltd Tone-generator circuits
DE2111787B1 (en) * 1971-03-11 1972-05-31 Siemens Ag Circuit arrangement for audio signal transmission in a telephone system with inductive coupling of audio signals
FR2383568A1 (en) * 1977-03-08 1978-10-06 Trt Telecom Radio Electr DEVICE INTENDED TO GENERATE A CALL SIGNAL AND CAN BE USED IN PARTICULAR IN A SUBSCRIBER JUNCOR
EP0013332A1 (en) * 1979-01-16 1980-07-23 Siemens-Albis Aktiengesellschaft Chopper circuit
NL8000859A (en) * 1980-02-12 1981-09-01 Philips Nv DEVICE FOR SUPPLYING A CURRENT VOLTAGE TO A SUBSCRIPTION LINE.

Also Published As

Publication number Publication date
IE54008B1 (en) 1989-05-10
IE832743L (en) 1984-05-17
GB2130849A (en) 1984-06-06
HK6388A (en) 1988-01-29
BE898246A (en) 1984-03-16
GB2130849B (en) 1986-09-17

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Legal Events

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

Effective date: 19921114