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GB9726650D0 - Telephone operating method - Google Patents

Telephone operating method

Info

Publication number
GB9726650D0
GB9726650D0 GBGB9726650.6A GB9726650A GB9726650D0 GB 9726650 D0 GB9726650 D0 GB 9726650D0 GB 9726650 A GB9726650 A GB 9726650A GB 9726650 D0 GB9726650 D0 GB 9726650D0
Authority
GB
United Kingdom
Prior art keywords
operating method
telephone operating
telephone
operating
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Withdrawn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
GBGB9726650.6A
Other versions
GB2332592A (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.)
Motorola Solutions UK Ltd
Original Assignee
Motorola 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 Motorola Ltd filed Critical Motorola Ltd
Priority to GB9726650A priority Critical patent/GB2332592A/en
Publication of GB9726650D0 publication Critical patent/GB9726650D0/en
Publication of GB2332592A publication Critical patent/GB2332592A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/68—Circuit arrangements for preventing eavesdropping

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
GB9726650A 1997-12-17 1997-12-17 Telephone line monitoring Withdrawn GB2332592A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9726650A GB2332592A (en) 1997-12-17 1997-12-17 Telephone line monitoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9726650A GB2332592A (en) 1997-12-17 1997-12-17 Telephone line monitoring

Publications (2)

Publication Number Publication Date
GB9726650D0 true GB9726650D0 (en) 1998-02-18
GB2332592A GB2332592A (en) 1999-06-23

Family

ID=10823756

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9726650A Withdrawn GB2332592A (en) 1997-12-17 1997-12-17 Telephone line monitoring

Country Status (1)

Country Link
GB (1) GB2332592A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4760592A (en) * 1985-02-07 1988-07-26 Secom General Corporation Wire tap detection device with passive testing

Also Published As

Publication number Publication date
GB2332592A (en) 1999-06-23

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Legal Events

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