TW291630B - - Google Patents

Info

Publication number
TW291630B
TW291630B TW085100625A TW85100625A TW291630B TW 291630 B TW291630 B TW 291630B TW 085100625 A TW085100625 A TW 085100625A TW 85100625 A TW85100625 A TW 85100625A TW 291630 B TW291630 B TW 291630B
Authority
TW
Taiwan
Application number
TW085100625A
Original Assignee
Landis & Gyr Tech Innovat
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 Landis & Gyr Tech Innovat filed Critical Landis & Gyr Tech Innovat
Application granted granted Critical
Publication of TW291630B publication Critical patent/TW291630B/zh

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
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • 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
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
TW085100625A 1995-02-10 1996-01-19 TW291630B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH39195 1995-02-10
EP95108824A EP0727898B1 (de) 1995-02-10 1995-06-08 Telefonstation

Publications (1)

Publication Number Publication Date
TW291630B true TW291630B (zh) 1996-11-21

Family

ID=4185948

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085100625A TW291630B (zh) 1995-02-10 1996-01-19

Country Status (10)

Country Link
EP (1) EP0727898B1 (zh)
AR (1) AR000900A1 (zh)
AT (1) ATE143550T1 (zh)
DE (1) DE59500025D1 (zh)
DK (1) DK0727898T3 (zh)
ES (1) ES2093534T3 (zh)
GR (1) GR3021304T3 (zh)
LT (1) LT4356B (zh)
TW (1) TW291630B (zh)
YU (1) YU8596A (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996025000A1 (de) * 1995-02-10 1996-08-15 Landis & Gyr Technology Innovation Ag Telefonstation
ES2150394B1 (es) * 1999-04-13 2001-06-01 Telefonica Sa Dispositivo de control de fraude aplicable en telefonos publicos mod lares.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2434529A1 (fr) * 1978-08-21 1980-03-21 App Automatiques Ste Fse Dispositif anti-fraude pour poste telephonique
US4759054A (en) * 1986-12-22 1988-07-19 Protel, Inc. Toll telephone system and method for maintaining or initiating loop current after resuming on-hook condition
US4885767A (en) 1987-09-29 1989-12-05 Therrien John L Blue-box fraud prevention
US5086459A (en) * 1990-02-23 1992-02-04 Keptel, Inc. Timing circuit and a secure telephone jack utilizing this circuit
US5150403A (en) 1991-05-28 1992-09-22 Jordan H Weaver Coin fraud prevention system for coin telephones

Also Published As

Publication number Publication date
DE59500025D1 (de) 1996-10-31
EP0727898B1 (de) 1996-09-25
DK0727898T3 (zh) 1997-03-17
ES2093534T3 (es) 1996-12-16
LT4356B (lt) 1998-06-25
GR3021304T3 (en) 1997-01-31
AR000900A1 (es) 1997-08-06
EP0727898A1 (de) 1996-08-21
ATE143550T1 (de) 1996-10-15
YU8596A (sh) 1999-06-15
LT97146A (lt) 1998-03-25

Similar Documents

Publication Publication Date Title
DE69638352D1 (zh)
DE69637714D1 (zh)
BR122012014331A2 (zh)
BRPI9612258B1 (zh)
DK143195A (zh)
ECSDI950232S (zh)
IN186280B (zh)
FR2729651B1 (zh)
CH0741373H1 (zh)
TW291630B (zh)
ECSDI950233S (zh)
BR7502120U (zh)
IN178738B (zh)
AU1627395A (zh)
DK126096A (zh)
BR7501503U (zh)
ECSDI950223S (zh)
ECSDI950229S (zh)
ECSDI950230S (zh)
ECSDI950231S (zh)
ECSDI950289S (zh)
IN181854B (zh)
IN181927B (zh)
IN185751B (zh)
IN184767B (zh)