GB8723302D0 - Circuit arrangement for telephone instrument - Google Patents

Circuit arrangement for telephone instrument

Info

Publication number
GB8723302D0
GB8723302D0 GB878723302A GB8723302A GB8723302D0 GB 8723302 D0 GB8723302 D0 GB 8723302D0 GB 878723302 A GB878723302 A GB 878723302A GB 8723302 A GB8723302 A GB 8723302A GB 8723302 D0 GB8723302 D0 GB 8723302D0
Authority
GB
United Kingdom
Prior art keywords
circuit arrangement
telephone instrument
telephone
instrument
arrangement
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.)
Withdrawn
Application number
GB878723302A
Other versions
GB2210755A (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.)
Allan A R
TATTERSALL C
Original Assignee
Allan A R
TATTERSALL C
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 Allan A R, TATTERSALL C filed Critical Allan A R
Priority to GB8723302A priority Critical patent/GB2210755A/en
Publication of GB8723302D0 publication Critical patent/GB8723302D0/en
Publication of GB2210755A publication Critical patent/GB2210755A/en
Withdrawn legal-status Critical Current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
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB8723302A 1987-10-05 1987-10-05 Telephone call-sound circuit Withdrawn GB2210755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8723302A GB2210755A (en) 1987-10-05 1987-10-05 Telephone call-sound circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8723302A GB2210755A (en) 1987-10-05 1987-10-05 Telephone call-sound circuit

Publications (2)

Publication Number Publication Date
GB8723302D0 true GB8723302D0 (en) 1987-11-11
GB2210755A GB2210755A (en) 1989-06-14

Family

ID=10624788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8723302A Withdrawn GB2210755A (en) 1987-10-05 1987-10-05 Telephone call-sound circuit

Country Status (1)

Country Link
GB (1) GB2210755A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481599A (en) * 1993-07-22 1996-01-02 Macallister; Donald I. Automated audio output device for a telephone set
US5715308A (en) * 1995-02-22 1998-02-03 Siemens Business Communication Systems, Inc. Apparatus for generating alerts of varying degrees
KR100194427B1 (en) * 1995-12-22 1999-06-15 윤종용 Apparatus and method for generating caller number voice message when calling from telephone terminal
US6289099B1 (en) 1998-11-30 2001-09-11 Qualcomm Inc. Ringer for satellite user terminals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1257776A (en) * 1967-11-03 1971-12-22

Also Published As

Publication number Publication date
GB2210755A (en) 1989-06-14

Similar Documents

Publication Publication Date Title
GB8724087D0 (en) Testing circuit arrangement
GB8725455D0 (en) Circuit arrangement
EP0295800A3 (en) Circuit testing
GB2210171B (en) Test circuit
GB2193414B (en) Telephone instrument
KR910006509B1 (en) Schmittriger circuit
EP0278698A3 (en) Contour compensating circuit
GB8808286D0 (en) Circuit arrangement
GB2224619B (en) Dialer circuit
GB8702786D0 (en) Circuit
EP0323223A3 (en) Telephone interface circuit
AU89920S (en) Telephone instrument
GB8723302D0 (en) Circuit arrangement for telephone instrument
AU97293S (en) Telephone instrument
GB8704499D0 (en) Circuit arrangement
GB2209906B (en) Telephone instrument
AU100409S (en) Telephone instrument
GB8611348D0 (en) Telephone instruments
GB8721477D0 (en) Speech circuit for telephone
AU98638S (en) Telephone instrument
GB2207316B (en) Integrated circuit
PL268999A1 (en) Telephone set indicator circuit
GB8703769D0 (en) Circuit
CA59293S (en) Telephone instrument base
GB8713282D0 (en) Telephone instruments

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)