HK6388A - Apparatus for delivering a signal on a telephone line - Google Patents

Apparatus for delivering a signal on a telephone line

Info

Publication number
HK6388A
HK6388A HK6388A HK6388A HK6388A HK 6388 A HK6388 A HK 6388A HK 6388 A HK6388 A HK 6388A HK 6388 A HK6388 A HK 6388A HK 6388 A HK6388 A HK 6388A
Authority
HK
Hong Kong
Prior art keywords
delivering
signal
telephone line
telephone
line
Prior art date
Application number
HK6388A
Inventor
John Mary Walters
Original Assignee
Lake Electronic Tech
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 Electronic Tech filed Critical Lake Electronic Tech
Publication of HK6388A publication Critical patent/HK6388A/en

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)
HK6388A 1982-11-17 1988-01-21 Apparatus for delivering a signal on a telephone line HK6388A (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 (1)

Publication Number Publication Date
HK6388A true HK6388A (en) 1988-01-29

Family

ID=11036296

Family Applications (1)

Application Number Title Priority Date Filing Date
HK6388A HK6388A (en) 1982-11-17 1988-01-21 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
IE832743L (en) 1984-05-17
GB2130849A (en) 1984-06-06
BE898246A (en) 1984-03-16
GB8330313D0 (en) 1983-12-21
GB2130849B (en) 1986-09-17
IE54008B1 (en) 1989-05-10

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