EP 0354975 A1 19900221 - Commodity meters.
Title (en)
Commodity meters.
Title (de)
Verbrauchsmesser.
Title (fr)
Compteur de consommation.
Publication
Application
Priority
GB 8716987 A 19870718
Abstract (en)
Commodity meter (11) is adapted for prepayment by insertion of credit card (32) into a card reader and eraser unit (30). The unit sends a command signal over a multicore cable (21) to drive a motor (18) within the meter casing. Motor (18) drives a cam (16) to a rotational orientation representing the amount of credit. Mechanical drive (17) from metering elements (not shown) drives cam (16) to reduce the amount of credit. At zero credit cam (16) holds a valve (14) closed, while in credit representing positions it is opened. The valve is connected in the flow line of the commodity through the meter. Should cable (21) be severed, the mechanical drive continues to reduce the credit until the valve closes.
IPC 1-7
IPC 8 full level
B67D 7/30 (2010.01); G07F 5/20 (2006.01); G07F 7/00 (2006.01); G07F 15/00 (2006.01)
CPC (source: EP)
B67D 7/305 (2013.01); G07F 5/20 (2013.01); G07F 15/001 (2013.01); G07F 17/0014 (2013.01)
Citation (search report)
- [Y] GB 2144566 A 19850306 - HAWKER SIDDELEY REVENUE CONTR
- [Y] FR 1278675 A 19611215 - TH PERNIN & FILS
- [Y] CA 963577 A 19750225 - MARTIN ALFRED L
- [A] GB 2169121 A 19860702 - LANDIS & GYR AG
- [A] WO 8804433 A1 19880616 - SLOAN JOSEPH W [US]
- [A] US 3779357 A 19731218 - HALLER W, et al
- [A] EP 0151874 A1 19850821 - DE LA RUE CO PLC [GB]
- [E] GB 2207269 A 19890125 - SMITH METERS LTD
Designated contracting state (EPC)
BE DE FR IT NL
DOCDB simple family (publication)
GB 2207269 A 19890125; GB 2207269 B 19910529; GB 8816236 D0 19880810; EP 0354975 A1 19900221; EP 0354975 B1 19941228; GB 8716987 D0 19870826; HK 79191 A 19911018
DOCDB simple family (application)
GB 8816236 A 19880707; EP 88307584 A 19880816; GB 8716987 A 19870718; HK 79191 A 19911010