EP 1025685 A1 20000809 - DEVICE FOR ENABLING MULTIPLE PERSONS TO USE A PRIVATE TELEPHONE SET AND TO CHARGE THE RELATED CALLS TO THEM
Title (en)
DEVICE FOR ENABLING MULTIPLE PERSONS TO USE A PRIVATE TELEPHONE SET AND TO CHARGE THE RELATED CALLS TO THEM
Title (de)
VORRICHTUNG ZUR BERECHTIGUNG MEHRERER PERSONEN ZUM GEBRAUCH EINES PRIVATEN TELEPHONAPPARATES, UND ZUR INDIVIDUELLEN VERGEBÜHRUNG IHRER ANRUFE
Title (fr)
DISPOSITIF PERMETTANT A PLUSIEURS PERSONNES D'UTILISER UN POSTE DE TELEPHONE PRIVE ET DE FACTURER A CHACUNE LES APPELS LA CONCERNANT
Publication
Application
Priority
- IT 9900183 W 19990623
- IT RM980529 A 19980806
Abstract (en)
[origin: WO0008833A1] The present invention relates to a device for enabling multiple persons to use a private telephone set and for charging the related calls to them, comprising a central control unit (1) including a memory unit (2) and a keypad (3) to store therein an access code, a credit or other data. To the control unit (1) are also unidirectionally connected: means for recognising a person authorised to use the telephone set; a credit display (6); and, also connected to the telephone line (L) upstream of the telephone set, a line pulse detector (8), a line drop device (9), constituted by a local tone generator (10) and by a relay (11) ,a dtmf tone or pulse detector (12), a handset hang-up detector (13).
IPC 1-7
IPC 8 full level
H04M 1/673 (2006.01); H04M 15/28 (2006.01); H04M 15/30 (2006.01); H04M 17/02 (2006.01)
CPC (source: EP)
H04M 1/673 (2013.01); H04M 15/28 (2013.01); H04M 15/30 (2013.01); H04M 17/02 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI NL PT SE
DOCDB simple family (publication)
WO 0008833 A1 20000217; EP 1025685 A1 20000809; IT 1302424 B1 20000905; IT RM980529 A0 19980806; IT RM980529 A1 20000206
DOCDB simple family (application)
IT 9900183 W 19990623; EP 99929689 A 19990623; IT RM980529 A 19980806