GB2253541B - Portable radio telephone - Google Patents

Portable radio telephone

Info

Publication number
GB2253541B
GB2253541B GB9104707A GB9104707A GB2253541B GB 2253541 B GB2253541 B GB 2253541B GB 9104707 A GB9104707 A GB 9104707A GB 9104707 A GB9104707 A GB 9104707A GB 2253541 B GB2253541 B GB 2253541B
Authority
GB
United Kingdom
Prior art keywords
radio telephone
portable radio
telephone
portable
radio
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 - Lifetime
Application number
GB9104707A
Other versions
GB2253541A (en
GB9104707D0 (en
Inventor
Nils Erik Martensson
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.)
Nokia Oyj
Nokia Mobile Phones UK Ltd
Original Assignee
Nokia Mobile Phones Ltd
Technophone 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 Nokia Mobile Phones Ltd, Technophone Ltd filed Critical Nokia Mobile Phones Ltd
Priority to GB9104707A priority Critical patent/GB2253541B/en
Publication of GB9104707D0 publication Critical patent/GB9104707D0/en
Priority to EP92301119A priority patent/EP0502617B1/en
Priority to DE69225084T priority patent/DE69225084T2/en
Priority to JP04743292A priority patent/JP3234620B2/en
Publication of GB2253541A publication Critical patent/GB2253541A/en
Priority to US08/158,182 priority patent/US5703931A/en
Application granted granted Critical
Publication of GB2253541B publication Critical patent/GB2253541B/en
Priority to US08/861,780 priority patent/US5924046A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
GB9104707A 1991-03-06 1991-03-06 Portable radio telephone Expired - Lifetime GB2253541B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB9104707A GB2253541B (en) 1991-03-06 1991-03-06 Portable radio telephone
EP92301119A EP0502617B1 (en) 1991-03-06 1992-02-11 Portable telephone
DE69225084T DE69225084T2 (en) 1991-03-06 1992-02-11 Portable phone
JP04743292A JP3234620B2 (en) 1991-03-06 1992-03-05 Portable wireless telephone
US08/158,182 US5703931A (en) 1991-03-06 1993-11-24 Portable radio telephone with impulse movement or sound off-hook production and signalling
US08/861,780 US5924046A (en) 1991-03-06 1997-05-22 Portable radio telephone with sound off-hook production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9104707A GB2253541B (en) 1991-03-06 1991-03-06 Portable radio telephone

Publications (3)

Publication Number Publication Date
GB9104707D0 GB9104707D0 (en) 1991-04-17
GB2253541A GB2253541A (en) 1992-09-09
GB2253541B true GB2253541B (en) 1996-08-14

Family

ID=10691074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9104707A Expired - Lifetime GB2253541B (en) 1991-03-06 1991-03-06 Portable radio telephone

Country Status (1)

Country Link
GB (1) GB2253541B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9724432D0 (en) * 1997-11-20 1998-01-14 Radio Design Limited Cellular radio telephone
JP2001237921A (en) 2000-02-24 2001-08-31 Nec Saitama Ltd Portable telephone set
US7027840B2 (en) * 2003-09-17 2006-04-11 Motorola, Inc. Method and apparatus of muting an alert

Also Published As

Publication number Publication date
GB2253541A (en) 1992-09-09
GB9104707D0 (en) 1991-04-17

Similar Documents

Publication Publication Date Title
EP0502617A3 (en) Portable radio telephone
GB2243117B (en) Portable radio telephone
EP0439340A3 (en) Portable radio telephone set
GB2255258B (en) Radio telephone
HK1013563A1 (en) Portable telephone
EP0692885A4 (en) Wireless telephone
GB2255687B (en) Radio telephone apparatus
GB2281480B (en) Portable radio communication device
EP0498398A3 (en) Mobile telephone
EP0522762A3 (en) Mobile phone
GB2249697B (en) Portable radio equipment
GB2262864B (en) Radio telephone
GB9218722D0 (en) Portable telephone
GB2253541B (en) Portable radio telephone
GB9116368D0 (en) Portable radio equipments
GB2253967B (en) Portable radio telephone
GB9115212D0 (en) Portable telephone
GB2264207B (en) Portable telephone
AU114336S (en) Portable radio telephone
KR0116232Y1 (en) Wireless phone
GB2267013B (en) Portable telephone
GB9224226D0 (en) Portable radio telephone
CA73454S (en) Portable radio telephone
GB9116691D0 (en) Portable telephone
KR0119863Y1 (en) Mobile telephone

Legal Events

Date Code Title Description
718D Proc. under sect. 18(4) pat. act 1977
718D Proc. under sect. 18(4) pat. act 1977
PE20 Patent expired after termination of 20 years

Expiry date: 20110305