GB2269721B - Radio communications device - Google Patents

Radio communications device

Info

Publication number
GB2269721B
GB2269721B GB9214180A GB9214180A GB2269721B GB 2269721 B GB2269721 B GB 2269721B GB 9214180 A GB9214180 A GB 9214180A GB 9214180 A GB9214180 A GB 9214180A GB 2269721 B GB2269721 B GB 2269721B
Authority
GB
United Kingdom
Prior art keywords
communications device
radio communications
radio
communications
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 - Fee Related
Application number
GB9214180A
Other versions
GB2269721A (en
GB9214180D0 (en
Inventor
Zakman Schwartzman
Aharon Kashtan
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 Israel Ltd
Original Assignee
Motorola Israel 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 Israel Ltd filed Critical Motorola Israel Ltd
Priority to GB9214180A priority Critical patent/GB2269721B/en
Publication of GB9214180D0 publication Critical patent/GB9214180D0/en
Priority to GB9310640A priority patent/GB2269500B/en
Priority to US08/086,475 priority patent/US5448620A/en
Priority to CN93108096A priority patent/CN1033681C/en
Priority to MX9304003A priority patent/MX9304003A/en
Publication of GB2269721A publication Critical patent/GB2269721A/en
Application granted granted Critical
Publication of GB2269721B publication Critical patent/GB2269721B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
    • 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
    • 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
    • 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
    • H04M19/042—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 with variable loudness of the ringing tone, e.g. variable envelope or amplitude of ring signal
GB9214180A 1992-07-02 1992-07-02 Radio communications device Expired - Fee Related GB2269721B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB9214180A GB2269721B (en) 1992-07-02 1992-07-02 Radio communications device
GB9310640A GB2269500B (en) 1992-07-02 1993-05-21 Radio communications device
US08/086,475 US5448620A (en) 1992-07-02 1993-07-01 Volume control for a dual mode communications device
CN93108096A CN1033681C (en) 1992-07-02 1993-07-02 A communications device
MX9304003A MX9304003A (en) 1992-07-02 1993-07-02 A COMMUNICATION DEVICE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9214180A GB2269721B (en) 1992-07-02 1992-07-02 Radio communications device

Publications (3)

Publication Number Publication Date
GB9214180D0 GB9214180D0 (en) 1992-08-12
GB2269721A GB2269721A (en) 1994-02-16
GB2269721B true GB2269721B (en) 1996-02-07

Family

ID=10718167

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9214180A Expired - Fee Related GB2269721B (en) 1992-07-02 1992-07-02 Radio communications device

Country Status (1)

Country Link
GB (1) GB2269721B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6360110B1 (en) 1999-07-27 2002-03-19 Ericsson Inc. Selectable assignment of default call address

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1393219A (en) * 1972-05-04 1975-05-07 Int Standard Electric Corp Telephone set

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1393219A (en) * 1972-05-04 1975-05-07 Int Standard Electric Corp Telephone set

Also Published As

Publication number Publication date
GB2269721A (en) 1994-02-16
GB9214180D0 (en) 1992-08-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050702