GB2088171B - Public telephone set - Google Patents

Public telephone set

Info

Publication number
GB2088171B
GB2088171B GB8131313A GB8131313A GB2088171B GB 2088171 B GB2088171 B GB 2088171B GB 8131313 A GB8131313 A GB 8131313A GB 8131313 A GB8131313 A GB 8131313A GB 2088171 B GB2088171 B GB 2088171B
Authority
GB
United Kingdom
Prior art keywords
telephone set
public telephone
public
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
Application number
GB8131313A
Other versions
GB2088171A (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.)
Tamura Electric Works Ltd
Original Assignee
Tamura Electric Works 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
Priority claimed from JP14714880A external-priority patent/JPS5769966A/en
Priority claimed from JP11364781A external-priority patent/JPS5815363A/en
Priority claimed from JP11610481A external-priority patent/JPS5817762A/en
Application filed by Tamura Electric Works Ltd filed Critical Tamura Electric Works Ltd
Publication of GB2088171A publication Critical patent/GB2088171A/en
Application granted granted Critical
Publication of GB2088171B publication Critical patent/GB2088171B/en
Expired 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
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/677—Preventing the dialling or sending of predetermined telephone numbers or selected types of telephone numbers, e.g. long distance numbers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
GB8131313A 1980-10-20 1981-10-16 Public telephone set Expired GB2088171B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14714880A JPS5769966A (en) 1980-10-20 1980-10-20 Dial number control system
JP11364781A JPS5815363A (en) 1981-07-22 1981-07-22 Dial number controlling system
JP11610481A JPS5817762A (en) 1981-07-23 1981-07-23 Dial number control system

Publications (2)

Publication Number Publication Date
GB2088171A GB2088171A (en) 1982-06-03
GB2088171B true GB2088171B (en) 1984-10-17

Family

ID=27312553

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8131313A Expired GB2088171B (en) 1980-10-20 1981-10-16 Public telephone set

Country Status (1)

Country Link
GB (1) GB2088171B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6192069A (en) * 1984-10-12 1986-05-10 Tamura Electric Works Ltd Alarm information transmission system of public telephone
JPS61205065A (en) * 1985-03-08 1986-09-11 Tamura Electric Works Ltd Public telephone set
US6940820B2 (en) 2001-01-19 2005-09-06 General Instrument Corporation Voice-aided diagnostic for voice over internet protocol (VOIP) based device
EP1352510A2 (en) * 2001-01-19 2003-10-15 General Instrument Corporation Voice menu controled self-diagnostic method

Also Published As

Publication number Publication date
GB2088171A (en) 1982-06-03

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Legal Events

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