GB2247135B - Telephone subscriber's instrument - Google Patents

Telephone subscriber's instrument

Info

Publication number
GB2247135B
GB2247135B GB9016603A GB9016603A GB2247135B GB 2247135 B GB2247135 B GB 2247135B GB 9016603 A GB9016603 A GB 9016603A GB 9016603 A GB9016603 A GB 9016603A GB 2247135 B GB2247135 B GB 2247135B
Authority
GB
United Kingdom
Prior art keywords
instrument
telephone subscriber
subscriber
telephone
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
GB9016603A
Other versions
GB9016603D0 (en
GB2247135A (en
Inventor
Ian William Jennings
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.)
Nortel Networks Ltd
STC PLC
Alcatel Submarine Networks UK Ltd
Nortel Networks Optical Components Ltd
Original Assignee
Northern Telecom Ltd
STC PLC
Northern Telecom Europe Ltd
STC Submarine Systems Ltd
STC 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 Northern Telecom Ltd, STC PLC, Northern Telecom Europe Ltd, STC Submarine Systems Ltd, STC Ltd filed Critical Northern Telecom Ltd
Priority to GB9016603A priority Critical patent/GB2247135B/en
Publication of GB9016603D0 publication Critical patent/GB9016603D0/en
Publication of GB2247135A publication Critical patent/GB2247135A/en
Application granted granted Critical
Publication of GB2247135B publication Critical patent/GB2247135B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/04—Supports for telephone transmitters or receivers
    • H04M1/06—Hooks; Cradles
    • H04M1/08—Hooks; Cradles associated with switches operated by the weight of the receiver or hand-set

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB9016603A 1990-07-28 1990-07-28 Telephone subscriber's instrument Expired - Lifetime GB2247135B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9016603A GB2247135B (en) 1990-07-28 1990-07-28 Telephone subscriber's instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9016603A GB2247135B (en) 1990-07-28 1990-07-28 Telephone subscriber's instrument

Publications (3)

Publication Number Publication Date
GB9016603D0 GB9016603D0 (en) 1990-09-12
GB2247135A GB2247135A (en) 1992-02-19
GB2247135B true GB2247135B (en) 1994-06-01

Family

ID=10679814

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9016603A Expired - Lifetime GB2247135B (en) 1990-07-28 1990-07-28 Telephone subscriber's instrument

Country Status (1)

Country Link
GB (1) GB2247135B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2037538A (en) * 1978-03-10 1980-07-09 Ericsson Telefon Ab L M Connection arrangement in a telephone instrument for connecting an additional speech device
GB2133249A (en) * 1983-01-10 1984-07-18 Comdial Consumer Communication Telephone sets
GB2151433A (en) * 1983-12-14 1985-07-17 Standard Telephones Cables Ltd Telephone switch device
GB2193414A (en) * 1986-07-14 1988-02-03 Siliconix Ltd Telephone instrument

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2037538A (en) * 1978-03-10 1980-07-09 Ericsson Telefon Ab L M Connection arrangement in a telephone instrument for connecting an additional speech device
GB2133249A (en) * 1983-01-10 1984-07-18 Comdial Consumer Communication Telephone sets
GB2151433A (en) * 1983-12-14 1985-07-17 Standard Telephones Cables Ltd Telephone switch device
GB2193414A (en) * 1986-07-14 1988-02-03 Siliconix Ltd Telephone instrument

Also Published As

Publication number Publication date
GB9016603D0 (en) 1990-09-12
GB2247135A (en) 1992-02-19

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20100727