GB2253967B - Portable radio telephone - Google Patents

Portable radio telephone

Info

Publication number
GB2253967B
GB2253967B GB9105964A GB9105964A GB2253967B GB 2253967 B GB2253967 B GB 2253967B GB 9105964 A GB9105964 A GB 9105964A GB 9105964 A GB9105964 A GB 9105964A GB 2253967 B GB2253967 B GB 2253967B
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
GB9105964A
Other versions
GB9105964D0 (en
GB2253967A (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 GB9105964A priority Critical patent/GB2253967B/en
Publication of GB9105964D0 publication Critical patent/GB9105964D0/en
Priority to EP92301119A priority patent/EP0502617B1/en
Priority to DE69225084T priority patent/DE69225084T2/en
Priority to JP04743292A priority patent/JP3234620B2/en
Publication of GB2253967A publication Critical patent/GB2253967A/en
Priority to US08/158,182 priority patent/US5703931A/en
Application granted granted Critical
Publication of GB2253967B publication Critical patent/GB2253967B/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)
GB9105964A 1991-03-06 1991-03-21 Portable radio telephone Expired - Lifetime GB2253967B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB9105964A GB2253967B (en) 1991-03-21 1991-03-21 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
GB9105964A GB2253967B (en) 1991-03-21 1991-03-21 Portable radio telephone

Publications (3)

Publication Number Publication Date
GB9105964D0 GB9105964D0 (en) 1991-05-08
GB2253967A GB2253967A (en) 1992-09-23
GB2253967B true GB2253967B (en) 1995-03-22

Family

ID=10691928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9105964A Expired - Lifetime GB2253967B (en) 1991-03-06 1991-03-21 Portable radio telephone

Country Status (1)

Country Link
GB (1) GB2253967B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2260878A (en) * 1991-10-21 1993-04-28 Ericsson Ge Mobile Communicat Hands-free call answering system
GB2310568B (en) 1996-02-26 1999-10-20 Nokia Mobile Phones Ltd Radio telephone

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4945570A (en) * 1987-10-02 1990-07-31 Motorola, Inc. Method for terminating a telephone call by voice command

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4945570A (en) * 1987-10-02 1990-07-31 Motorola, Inc. Method for terminating a telephone call by voice command

Also Published As

Publication number Publication date
GB9105964D0 (en) 1991-05-08
GB2253967A (en) 1992-09-23

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20110320